A hydraulic cylinder barrel oil hole drilling and polishing integrated processing device

Abstract

The present application relates to hydraulic cylinder processing technical field, specifically disclose a kind of hydraulic cylinder cylinder oil hole drilling and polishing integrated processing device, comprising: base shell, chip collection system, workpiece storage mechanism, transfer mechanism, opening mechanism, polishing mechanism, transfer mechanism, discharge mechanism, cover shell, controller and switchgear;Opening mechanism is arranged at the top of chip collection system, and located at the outside right side of workpiece storage mechanism;Polishing mechanism is arranged at the top right side of base shell;Transfer mechanism is arranged at the top of base shell, and located at the outside front of opening mechanism and polishing mechanism.The present application realizes the seamless connection and linkage processing of hydraulic cylinder cylinder oil hole drilling, polishing process, and through multidimensional accurate alignment adjustment and synchronous drilling, circumferential closed-loop polishing process, can stably guarantee the high-standard processing requirement of oil hole aperture, hole depth, hole position degree and hole wall finish.

Description

Technical Field

[0001] This invention relates to the field of hydraulic cylinder processing technology, specifically to an integrated processing device for drilling and grinding oil holes in hydraulic cylinder barrels. Background Technology

[0002] The hydraulic cylinder barrel oil holes include two types of structures: the main oil port on the outer wall of the cylinder barrel and the radial oil holes on the side wall of the cylinder barrel. They are the flow channels for hydraulic oil to enter and exit the cylinder barrel and realize the extension and retraction of the cylinder. In the processing stage, the cylinder barrel is first fixed by a special positioning fixture. Then, a CNC drilling machine is used to precisely position and drill the end oil holes and the radial oil holes on the side wall. The diameter, depth, position, perpendicularity, and dimensional accuracy of the two types of oil holes, as well as the intersection of the side wall holes and the inner hole of the cylinder barrel, are strictly controlled. After drilling, a rotary grinding head is used to remove burrs, flash, and sharp edges from the outer wall opening of the oil hole and the intersection of the inner and outer sides of the side wall holes. The surface roughness of the inner wall is controlled to meet the high-pressure cylinder standard. After processing and grinding, the dimensional accuracy and surface finish of the two types of oil holes are checked one by one to ensure smooth oil flow and meet the requirements of stable sealing and smooth transmission under high-pressure conditions of the cylinder. In the current technical field, the drilling and grinding processes for oil holes on the side walls of hydraulic cylinder barrels generally adopt a split-machine processing mode and a manual-assisted transfer operation mode. The overall processing automation level is low and the process connection is poor. Most of them need to be completed independently for drilling and grinding. The workstations are scattered and the transfer is cumbersome. It is easy to cause the workpiece to be clamped and positioned incorrectly during secondary clamping. As a result, it is difficult to uniformly control the accuracy of the oil hole position, the consistency of the hole diameter, and the surface finish of the hole wall. Furthermore, the traditional processing method often adopts a single-hole drilling and single-point grinding operation, which cannot achieve multi-station synchronous processing and circumferential uniform grinding operation. It is easy to have processing defects such as spiral tool marks, burrs on the edges, sharp edges of the hole opening, and uneven steps on the oil hole wall. Long-term use can easily lead to quality problems such as hydraulic oil turbulence, oil circuit throttling and pressure relief, seal scratches, internal leakage of the cylinder, and joint leakage. Summary of the Invention

[0003] The purpose of this invention is to provide an integrated machining device for drilling and grinding oil holes in hydraulic cylinder barrels, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a hydraulic cylinder barrel oil hole drilling and grinding integrated processing device, comprising: Base casing; The chip collection system is embedded and fixedly installed at the top left rear of the base housing; A workpiece storage mechanism is installed on the top of the outer surface of the chip collection system; The transfer mechanism is located on the top left side of the base housing and in front of the workpiece storage mechanism. The hole-opening mechanism is located at the top of the chip collection system and on the outside right side of the workpiece storage mechanism; The polishing mechanism is located on the top right side of the base housing; The transfer mechanism is located on the top of the base housing and in front of the opening mechanism and the grinding mechanism. The discharge mechanism is located on the top of the base housing and on the outside right side of the transfer mechanism; The outer casing is fixedly installed on the outer top of the base casing; The controller is fixedly installed on the upper front side of the outer surface of the base housing via a bracket. The base housing, chip collection system, workpiece storage mechanism, transfer mechanism, opening mechanism, grinding mechanism, transfer mechanism, material discharge mechanism and cover housing are electrically connected to the controller. The power distribution cabinet is fixedly installed on the right rear side of the outer surface of the base shell and the cover shell, and the power distribution cabinet is electrically connected to the controller.

[0005] Preferably, the opening mechanism includes: a vertical frame, a first telescopic frame, an actuator, a linear motor, a fixing module, and a position sensor; the vertical frame is fixedly installed on the upper surface of the chip collection system at the front right; the first telescopic frame is embedded in the top front side of the vertical frame along the vertical direction; the actuator is disposed below the telescopic end of the first telescopic frame; the linear motor is fixedly installed on the upper surface of the vertical frame, the telescopic end of the linear motor extends out of the lower surface of the vertical frame and is fixedly connected to the top of the telescopic end of the first telescopic frame, and the linear motor is electrically connected to the controller; the fixing module is fixedly installed on the upper surface of the chip collection system by a bracket and is located on the inner lower side of the vertical frame, the fixing end of the fixing module is aligned with the actuator, and the fixing module is electrically connected to the controller; the position sensor is fixedly installed on the outer surface of the vertical frame by a bracket, and the position sensor is electrically connected to the controller.

[0006] Preferably, the workpiece storage mechanism includes: an electric turntable, a storage slot, a first telescopic cylinder, a second telescopic cylinder, and a first clamping module; the electric turntable is fixedly mounted on the upper surface of the chip collection system via a bracket, the inner turntable of the electric turntable extends outward from the left rear feed port of the outer shell, and the electric turntable is electrically connected to a controller; the number of storage slots is several, and the several storage slots are circumferentially spaced on the outer surface of the turntable of the electric turntable; the first telescopic cylinder is fixedly mounted on the upper surface of the chip collection system and located directly in front of the electric turntable, and the first telescopic cylinder is electrically connected to the controller; the second telescopic cylinder is fixedly mounted on the upper rear side of the telescopic end of the first telescopic cylinder via a bracket in the vertical direction, and the second telescopic cylinder is electrically connected to the controller; the first clamping module is fixedly mounted on the top of the telescopic end of the second telescopic cylinder, and the first clamping module is electrically connected to the controller.

[0007] Preferably, the actuating component includes: a housing, a workstation hole, an annular frame, a fixed base, an annular seat, a cylindrical body, a micro motor, and a spur gear ring; the housing is fixedly installed in the middle of the lower surface of the telescopic end of the first telescopic frame in the vertical direction; the workstation hole is opened at the bottom of the inner cavity of the housing; the annular frame is fixedly installed at the bottom of the inner cavity of the housing and located above and outside the workstation hole; there are four fixed bases, which are installed at 90-degree intervals in the circumferential direction on the inner side of the top of the outer surface of the annular frame; the annular seat is fixedly installed in the circumferential direction on the inner side of the top of the four fixed bases; the cylindrical body is rotatably installed in the middle of the inner side of the annular seat through a bearing in the vertical direction; the micro motor is fixedly installed in the top of the inner cavity of the housing in the vertical direction, the rotating end of the micro motor is fixedly connected to the top axis of the cylindrical body, and the micro motor is electrically connected to the controller; the spur gear ring is circumferentially interference-fitted below the side wall of the outer surface of the cylindrical body.

[0008] Preferably, the actuating components further include: keyway cylinders, drive gears, keyway shafts, spherical heads, drill bits, springs, telescopic rods, push seats, and miniature electric telescopic rods; the number of keyway cylinders is four, and the four keyway cylinders are rotatably mounted inside the four fixed seats via bearings; the number of drive gears is four, and the four drive gears are interference-fitted with the inner ends of the outer surface sidewalls of the four keyway cylinders, and the drive gears mesh with spur gear rings; the number of keyway shafts is four, and the four keyway shafts are respectively inserted into the inner cavities of the four keyway cylinders; the number of spherical heads is four, and the four spherical heads are respectively fixedly mounted on the outer ends of the four keyway shafts; the number of drill bits is four, and the four drill bits are respectively fixedly mounted on the inner ends of the four keyway shafts. The number of springs is four, and the four springs are respectively sleeved on the outside of the four keyway shafts. The inner and outer ends of the springs are in contact with the outside of the key block cylinder and the spherical head, respectively. The number of telescopic rods is four, and the four telescopic rods are respectively installed circumferentially at the top of the ring frame. The push seat is installed circumferentially at the top of the telescopic ends of the four telescopic rods. The push seat adopts an integrated ring structure with a tapered converging slope at the bottom end. The lower slope of the inner wall of the push seat is in contact with the outer surface of the four spherical heads, respectively. The number of miniature electric telescopic rods is two, and the two miniature electric telescopic rods are respectively fixedly installed on the left and right sides of the top of the inner cavity of the outer shell in the vertical direction. The telescopic ends of the left and right miniature electric telescopic rods are respectively fixedly connected to the left and right sides of the top of the push seat.

[0009] Preferably, the grinding mechanism includes: a stand, a first guide rail assembly, a first mounting plate, a first electric telescopic rod, a limiting assembly, a second electric telescopic rod, and a mounting bracket; the stand is fixedly installed on the top right side of the outer surface of the base housing in a left-right direction; there are two first guide rail assemblies, which are respectively fixedly installed on the upper and lower ends of the front surface of the stand in a left-right direction; the first mounting plate is fixedly installed on the front side of the limiting ends of the upper and lower first guide rail assemblies; the first electric telescopic rod is fixedly installed on the top of the outer surface of the stand in a left-right direction via a bracket, and the telescopic end of the first electric telescopic rod is connected to the top of the first mounting plate via a connector, and the first electric telescopic rod is electrically connected to a controller; there are two limiting assemblies, which are respectively fixedly installed on the left and right ends of the front surface of the first mounting plate in a vertical direction; the second electric telescopic rod is fixedly installed on the upper side of the front surface of the first mounting plate in a vertical direction via a bracket, and the second electric telescopic rod is electrically connected to a controller; the mounting bracket is fixedly installed on the front side of the limiting ends of the left and right first mounting plates in a vertical direction, and the telescopic end of the second electric telescopic rod is fixedly connected to the top of the mounting bracket.

[0010] Preferably, the grinding mechanism further includes: a circular ring frame, roller seats, an annular groove, an annular chain, a drive motor, a sprocket, a linear drive module, a grinding module, and a hole position detection sensor; the circular ring frame is fixedly installed circumferentially on the bottom of the outer surface of the mounting frame; the number of roller seats is four, and the four roller seats are respectively circumferentially spaced 90 degrees apart and movably engaged with the outer side of the circular ring frame; the annular groove is fixedly installed circumferentially on the bottom of the outer surface of the four roller seats; the annular chain is fixedly installed circumferentially on the inner side of the inner cavity of the annular groove; the drive motor is fixedly installed on the top rear side of the outer surface of the circular ring frame through a bracket, and the rotating end of the drive motor extends out of the circular ring frame. The lower surface of the cylinder is electrically connected to the controller; a sprocket is fixedly installed on the top of the rotating end of the drive motor, and the sprocket meshes with the annular chain; a linear drive module is fixedly installed on the bottom right side of the outer surface of the annular groove along the left-right direction, and the linear drive module is electrically connected to the controller; a grinding module is fixedly installed on the bottom of the moving end of the linear drive module, and the grinding module is electrically connected to the controller; a hole position detection sensor is fixedly installed on the outside of the grinding module, with the detection end facing the side wall of the workpiece, and the hole position detection sensor is electrically connected to the controller to identify the position of the oil hole on the side wall of the cylinder and feed back an alignment signal to the controller.

[0011] Preferably, the transfer mechanism includes: a second guide rail assembly, a second mounting plate, a third electric telescopic rod, a second telescopic frame, a third telescopic cylinder, a fourth telescopic cylinder, a slot seat, and a third clamping module; the number of second guide rail assemblies is two, and the two second guide rail assemblies are respectively fixedly installed on the front and rear sides of the top of the outer surface of the base shell in the left-right direction; the second mounting plate is fixedly installed on the top of the limiting ends of the front and rear second guide rail assemblies; the third electric telescopic rod is fixedly installed on the top of the outer surface of the base shell in the left-right direction through a bracket, and is located outside the front left front of the front second guide rail assembly, the telescopic end of the third electric telescopic rod is connected to the right side of the outer surface of the second mounting plate through a connector, and the third electric telescopic rod is electrically connected to the controller; the number of second telescopic frames is... There are two telescopic frames, one fixedly installed on the top left and one on the bottom right of the outer surface of the second mounting plate; the other fixedly installed on the top center of the outer surface of the second mounting plate, with the telescopic end of the third telescopic cylinder connected to the bottom of the telescopic end of the second telescopic frame, and the third telescopic cylinder electrically connected to the controller; the third telescopic cylinder is fixedly installed on the front side of the top center of the outer surface of the second telescopic frame via a bracket, and the fourth telescopic cylinder is electrically connected to the controller; the slot seat is fixedly installed on the top of the lifting end of the second telescopic frame and located behind the fourth telescopic cylinder; the third clamping module is inserted into the top inner side of the slot seat, with the telescopic end of the fourth telescopic cylinder fixedly connected to the rear side of the third clamping module, and the third clamping module electrically connected to the controller.

[0012] Compared with the prior art, the beneficial effects of the present invention are: 1. A linear motor extends and retracts, driving the inner telescopic frame of the first telescopic frame to rise and fall along the insertion cylinder to a designated height. This moves the actuator to a designated position outside the top end of the workpiece, allowing the top end of the workpiece to be inserted into the inner cavity of the cylinder through the workstation hole. A micro motor drives the spur gear ring to rotate, causing the four drive gears on both sides to synchronously drive the inner key block cylinder to rotate under the meshing drive of the spur gear ring. The key blocks inside the key block cylinder, in cooperation with the keyway outside the keyway shaft, drive the keyway shaft to drive the drill bit and ball head to rotate axially. Simultaneously, the two micro electric telescopic rods on both sides extend synchronously, driving the entire push seat to move downwards, so that the inclined surface of the inner wall of the push seat pushes the ball inwards. The spherical head drives the keyway shaft to move inward along the inner cavity of the key block cylinder, while simultaneously squeezing the spring, thereby achieving axial rotation of the drill bit and applying inward pressure to complete the drilling operation on the side wall of the workpiece. After drilling is completed, the miniature electric telescopic rod retracts, drives the push seat to move upward, and stops squeezing the spherical head. The spring pressure is released, driving the spherical head to move the keyway shaft outward along the inner cavity of the key block cylinder, thereby moving the drill bit out of the hole. The third clamping module in the transfer mechanism re-clamps and grips the workpiece, and the fixing module keeps the workpiece in a fixed state. The transfer mechanism continues to drive the workpiece after drilling to the station below the grinding mechanism.

[0013] 2. The first mounting plate is driven by the extension and retraction of the first electric telescopic rod. Under the constraint of the first guide rail assembly, the first mounting plate moves horizontally left and right. The second electric telescopic rod is driven by the extension and retraction of the second electric telescopic rod. Under the constraint of the first mounting plate, the mounting frame moves vertically, thereby achieving position adjustment of the ring frame in the dual-axis direction, so that the inner side of the ring frame faces the top of the workpiece. The drive motor drives the sprocket to rotate, so that the ring groove drives the ring chain to rotate as a whole under the meshing action of the sprocket. At the same time, the four side roller seats move circumferentially along the outer side of the ring frame for limiting. Simultaneously, the lower linear drive module drives the grinding module to rotate as a whole along the outer side of the workpiece, thereby moving the grinding module circumferentially to the outer position of the hole opened on the side wall of the workpiece. The linear drive module drives the grinding module to move inward, so that the grinding end inside the grinding module is inserted into the hole. The motor inside the grinding module drives the grinding end to rotate at high speed to perform grinding operation on the inner wall of the hole. While the hole opening mechanism and the grinding mechanism are performing processing operations, the chip collection system collects the processing chips under negative pressure.

[0014] In summary, this invention achieves seamless connection and coordinated processing of hydraulic cylinder barrel oil hole drilling and grinding processes through an integrated processing structure and full-process automated collaboration. This significantly simplifies the processing flow, shortens process turnaround time, and through multi-dimensional precise alignment adjustment and synchronous drilling and circumferential closed-loop grinding processes, it can reliably ensure high-standard processing requirements for oil hole diameter, depth, position accuracy, and wall smoothness. This effectively eliminates oil hole processing defects and avoids subsequent hydraulic oil turbulence noise, oil circuit pressure loss, seal wear, internal leakage, and interface leakage during cylinder operation, significantly improving the working stability and service life of the finished hydraulic cylinder. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 for Figure 1 Internal diagram; Figure 3 for Figure 2 Exploded view of the workpiece storage mechanism in the image; Figure 4 for Figure 2 Exploded view of the transfer mechanism in the image; Figure 5 for Figure 2 Exploded view of the opening mechanism in the image; Figure 6 for Figure 5 Exploded view of the execution components in the diagram; Figure 7 for Figure 6 Enlarged view of point A in the image; Figure 8 for Figure 2 Exploded view of the execution components in the diagram; Figure 9 for Figure 8 Enlarged view of point B in the image; Figure 10 for Figure 2 Exploded view of the transfer mechanism in the image; Figure 11 for Figure 2 Exploded view of the material discharge mechanism.

[0016] In the diagram: 1. Base shell; 2. Chip collection system; 3. Workpiece storage mechanism; 31. Electric turntable; 32. Storage slot; 33. First telescopic cylinder; 34. Second telescopic cylinder; 35. First clamping module; 4. Transfer mechanism; 41. First lifting module; 42. First rotating module; 43. Rotating arm; 44. Second clamping module; 5. Hole opening mechanism; 51. Vertical frame; 52. First telescopic frame; 53. Linear motor; 54. Fixed module. 55. Block, Position Sensor, 6. Actuating Component, 61. Housing, 62. Station Hole, 63. Ring Frame, 64. Fixed Base, 65. Ring Seat, 66. Cylinder, 67. Miniature Motor, 68. Spur Gear Ring, 69. Key Block Cylinder, 610. Drive Gear, 611. Keyway Shaft, 612. Spherical Head, 613. Drill Bit, 614. Spring, 615. Telescopic Rod, 616. Push Seat, 617. Miniature Electric Telescopic Rod, 7. Grinding Machine Structure, 71. Frame, 72. First guide rail assembly, 73. First mounting plate, 74. First electric telescopic rod, 75. Limiting assembly, 76. Second electric telescopic rod, 77. Mounting bracket, 78. Ring frame, 79. Roller seat, 710. Annular groove, 711. Annular chain, 712. Drive motor, 713. Sprocket, 714. Linear drive module, 715. Grinding module, 716. Hole position detection sensor, 8. Transfer mechanism, 81 82. Second guide rail assembly, 83. Second mounting plate, 84. Third electric telescopic rod, 85. Second telescopic frame, 86. Third telescopic cylinder, 87. Fourth telescopic cylinder, 88. Slot seat, 89. Third clamping module, 10. Discharge mechanism, 91. Horizontal moving module, 92. Second rotating module, 93. Second lifting module, 94. Fifth telescopic cylinder, 95. Fourth clamping module, 10. Cover shell, 11. Controller, 12. Power distribution cabinet. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figures 1-11This invention provides a technical solution: an integrated machining device for drilling and grinding oil holes in hydraulic cylinder barrels, comprising: a base shell 1, a chip collection system 2, a workpiece storage mechanism 3, a transfer mechanism 4, a hole-opening mechanism 5, a grinding mechanism 7, a transfer mechanism 8, a discharge mechanism 9, a cover shell 10, a controller 11, and a power distribution cabinet 12. The base shell 1 serves as the load-bearing base of the entire machine and adopts an overall closed frame structure. The base shell 1 has reserved electrical wiring cavities, equipment counterweight cavities, external air source diversion valves, and line protection cavities, which can provide closed protection for the entire machine's electrical wiring, control harnesses, and counterweight components. The chip collection system 2 is embedded and fixedly installed at the top left rear of the base shell 1. The chip collection system 2 adopts an embedded integrated installation method and is fitted and fixed to the cavity of the base shell 1. The chip collection system 2 is designed to meet the chip collection needs of both dry and wet machining processes, including hydraulic cylinder drilling and grinding. It is equipped with an industrial negative pressure dust collector, multi-stage filter components, a sealed chip collection chamber, and a chip guide duct. This continuously generates a stable negative pressure airflow. Metal chips, fine grinding dust, and cutting waste generated during machining are quickly drawn into the chip collection chamber through the directional air duct. After coarse and fine filtration, the waste is collected centrally and the air is purified. The workpiece storage mechanism 3 is installed on the top of the outer surface of the chip collection system 2. The transfer mechanism 4 is located on the top left side of the base shell 1, in front of the workpiece storage mechanism 3. The opening mechanism 5 is located on the top of the chip collection system 2, on the right side of the workpiece storage mechanism 3. The grinding mechanism 7 is located on the top right side of the base shell 1. The transfer mechanism 8 is located on the top of the base housing 1, and is situated in front of and outside the opening mechanism 5 and the grinding mechanism 7. The discharge mechanism 9 is located on the top of the base housing 1, and is situated to the right of and outside the transfer mechanism 8. The cover housing 10 is fixedly installed on the outer top of the base housing 1. The cover housing 10 adopts a modular, fully enclosed protective structure, and is constructed by combining high-strength transparent sheet metal and tempered protective plates. The cover housing 10 strictly matches the outer dimensions of the base housing 1, and sealing strips are installed at the joints to achieve full sealing protection. The housing has a rear feed port and a front discharge port, which effectively prevent metal chips and dust from splashing outwards during processing, while also isolating the operating noise of the equipment, reducing the noise pollution of the entire machine, and avoiding safety hazards caused by personnel accidentally touching the mechanism. The controller 11 is fixedly installed on the upper front side of the outer surface of the base housing 1 via a bracket. The base housing 1, chip collection system 2, workpiece storage mechanism 3, transfer mechanism 4, hole opening mechanism 5, grinding mechanism 7, transfer mechanism 8, material discharge mechanism 9, and cover housing 10 are electrically connected to the controller 11. The controller 11 adopts the core configuration of an industrial PLC programmable controller and is equipped with a touch configuration display screen, signal receiving module, instruction output module, and fault self-testing module. It serves as the control center for all electrical components in the device. The controller 11 has a built-in preset automated processing program, which can accurately coordinate and control the entire process of the machine. It also has parameter storage, process adjustment, fault alarm, data traceability, and equipment overload protection functions to ensure that all mechanisms operate in a coordinated, orderly, accurate, and stable manner.The power distribution cabinet 12 is fixedly installed on the right rear side of the outer surface of the base housing 1 and the enclosure housing 10. The power distribution cabinet 12 is electrically connected to the controller 11. The power distribution cabinet 12 adopts an external independent protective cabinet structure, with industrial-grade dustproof, waterproof, and vibration-proof features. Internally, it integrates a main power switch, leakage protection module, voltage regulator module, relay group, overload protection device, terminal block, and frequency converter. The power distribution cabinet 12 serves as the power distribution unit for this equipment and has a dedicated electrical connection with the controller 11. It can stabilize, filter, step down, and protect against leakage from external power, providing a stable, safe, and suitable operating power supply for all electrical components of the entire machine.

[0019] As a preferred option, further, such as Figure 3As shown, the workpiece storage mechanism 3 includes: an electric turntable 31, a storage slot 32, a first telescopic cylinder 33, a second telescopic cylinder 34, and a first clamping module 35. The electric turntable 31 is fixedly mounted on the upper surface of the chip collection system 2 via a bracket. The inner turntable of the electric turntable 31 extends outward from the left rear feed port of the housing 10. The electric turntable 31 is electrically connected to the controller 11. The electric turntable 31 is horizontally mounted and fixed on the upper surface of the chip collection system 2 via a dedicated fixing bracket. The electric turntable 31 adopts a servo indexing turntable structure. The rotating disk of the electric turntable 31 extends outward, penetrating the corresponding left rear feed port position of the housing 10 and extending to the outer area of ​​the feed port, realizing external loading and internal processing. The electric turntable 31, with its isolated docking mechanism, can receive indexing rotation, angle positioning, and start / stop lock signals from the controller 11, precisely completing multi-station cyclic switching. Several storage slots 32 are spaced circumferentially on the outer surface of the turntable 31. These slots employ a contour-following limiting structure, designed to mimic the shape of the hydraulic cylinder workpiece, providing radial limiting, axial anti-detachment, and circumferential positioning clamping and storage functions. This allows for stable pre-positioning of the workpiece. Multiple storage slots 32 rotate synchronously with the electric turntable 31, forming a cyclic storage station. This enables continuous storage and alternating loading of multiple workpieces, effectively improving the overall automated processing cycle and... Production continuity: The first telescopic cylinder 33 is fixedly installed on the upper surface of the chip collection system 2 and located directly in front of the electric turntable 31. The first telescopic cylinder 33 is electrically connected to the controller 11. The controller 11 can precisely control the telescopic stroke, telescopic speed, and start / stop sequence of the first telescopic cylinder 33, mainly used to realize the adjustment of the front and rear horizontal displacement, providing stable horizontal driving power for workpiece station switching; The second telescopic cylinder 34 is fixedly installed above the rear side of the telescopic end of the first telescopic cylinder 33 along the vertical direction by a bracket. The second telescopic cylinder 34 is electrically connected to the controller 11. The second telescopic cylinder 34 moves synchronously with the horizontal movement of the first telescopic cylinder 33, forming a horizontal and vertical two-way linkage drive structure. The vertical telescopic action is independently controlled by the controller 11 to realize the vertical lifting and lowering adjustment of the first clamping module 35, and to realize the two-dimensional planar position adjustment in conjunction with the first telescopic cylinder 33. The first clamping module 35 is fixedly installed on the top of the telescopic end of the second telescopic cylinder 34. The first clamping module 35 is electrically connected to the controller 11. The first clamping module 35 adopts a pneumatic adaptive clamping structure, which has the characteristics of flexible clamping, anti-pinch injury, and self-locking stability. It can be adapted to the outer circle clamping and positioning of cylinder workpieces of different specifications. The first clamping module 35 can automatically complete the clamping and releasing actions according to the program instructions of the controller 11. In conjunction with the displacement action of the first telescopic cylinder 33 and the second telescopic cylinder 34, it completes the workpiece picking, lifting and feeding operations from the receiving slot 32.

[0020] As a preferred option, further, such as Figure 4 As shown, the transfer mechanism 4 includes: a first lifting module 41, a first rotating module 42, a rotating arm 43, and a second clamping module 44. The first lifting module 41 is fixedly installed on the upper surface of the base housing 1 at the front left of the upper surface via a bracket in the vertical direction. The first lifting module 41 is electrically connected to the controller 11. The first lifting module 41 adopts a vertical linear lifting drive structure, which can realize precise adjustment of the overall vertical height of the first rotating module 42. The first rotating module 42 is fixedly installed on the right side of the lifting end of the first lifting module 41 via a bracket. The first rotating module 42 is electrically connected to the controller 11. The first rotating module 42 is a high-precision servo rotary drive component. It can receive electrical control signals from the controller 11 to achieve precise angle rotation, reset, and locking actions. The rotation angle can be precisely controlled by a program. It is mainly used to realize the angle reversal of the rotating arm 43 and switch the workpiece between different workstations. The rotating arm 43 is fixedly installed at the bottom of the rotating end of the first rotating module 42. The second clamping module 44 is fixedly installed at the outer end of the rotating arm 43. The second clamping module 44 is electrically connected to the controller 11. The second clamping module 44 adopts a compact pneumatic clamping structure, which can stably grip the cylinder workpiece. The clamping and releasing sequence of the second clamping module 44 is controlled by the controller 11, and it completes the workpiece cross-workstation handover in conjunction with the rotation action of the rotating arm 43.

[0021] As a preferred option, further, such as Figure 5As shown, the hole-opening mechanism 5 includes: a vertical frame 51, a first telescopic frame 52, an actuator 6, a linear motor 53, a fixing module 54, and a position sensor 55; the vertical frame 51 is fixedly installed on the upper surface of the chip collection system 2 at the front right; the first telescopic frame 52 is embedded in the top front side of the vertical frame 51 along the vertical direction, and the first telescopic frame 52 adopts a linear guide embedded guide structure, which can make precise reciprocating lifting and lowering movements along the vertical direction of the vertical frame 51; the actuator 6 is located below the telescopic end of the first telescopic frame 52; the linear motor 53 is fixedly installed on the upper surface of the vertical frame 51, and the telescopic end of the linear motor 53 extends out of the lower surface of the vertical frame 51 and is fixedly connected to the top of the telescopic end of the first telescopic frame 52. The linear motor 53 is electrically connected to the controller 11. The linear motor 53 has the advantages of fast response speed, high feed accuracy, and controllable closed-loop position, and can accurately drive the first telescopic frame 52 and the actuator 6 below to complete vertical precise feeding and positioning; the fixing module 54 The fixing module 54 is fixedly installed on the upper surface of the chip collection system 2 by a bracket and located on the inner lower side of the vertical frame 51. The fixing end of the fixing module 54 is aligned with the execution component 6. The fixing module 54 is electrically connected to the controller 11. The fixing module 54 is a special workpiece positioning and clamping fixture for the drilling process. It adopts an adaptive clamping and positioning structure, which can stably clamp and precisely limit the cylinder workpiece in all directions, effectively limiting the vibration, displacement and rotation of the workpiece during the drilling process. The fixing module 54 can automatically complete the clamping and releasing actions, realizing the automatic clamping and unloading of the workpiece processing station. The position sensor 55 is fixedly installed on the outer surface of the vertical frame 51 by a bracket. The position sensor 55 is electrically connected to the controller 11. The position sensor 55 adopts a high-precision sensing element of infrared or photoelectric induction, which can accurately detect the workpiece's position status in real time. The position sensor 55 can feed back the position detection signal to the controller 11 in real time, providing signal basis for the equipment drilling start, feed stroke and station alignment.

[0022] As a preferred option, further, such as Figure 6 and Figure 7As shown, the actuator 6 includes: a housing 61, a workstation hole 62, an annular frame 63, a fixed base 64, an annular seat 65, a cylinder 66, a micro motor 67, a spur gear ring 68, a keyway cylinder 69, a drive gear 610, a keyway shaft 611, a spherical head 612, a drill bit 613, a spring 614, a telescopic rod 615, a pusher seat 616, and a micro electric telescopic rod 617; the housing 61 is fixedly installed in the middle of the lower surface of the telescopic end of the first telescopic frame 52 in the vertical direction; the workstation hole 62 is opened at the bottom of the inner cavity of the housing 61; the annular frame 63 is fixedly installed at the bottom of the inner cavity of the housing 61 and is located above and outside the workstation hole 62; there are four fixed bases 64, which are installed at 90-degree intervals around the annular frame. The inner side of the top of the outer surface of the frame 63; the annular seat 65 is fixedly installed circumferentially on the inner side of the top of the outer surface of the four fixed seats 64; the cylinder 66 is rotatably installed in the middle of the inner side of the annular seat 65 through the bearing in the vertical direction; the micro motor 67 is fixedly installed in the top of the inner cavity of the outer shell 61 in the vertical direction, the rotating end of the micro motor 67 is fixedly connected to the top shaft of the cylinder 66, the micro motor 67 is electrically connected to the controller 11, the micro motor 67 adopts a high-precision servo micro drive motor, which has the characteristics of adjustable speed, stable torque, high positioning accuracy and fast response speed, and can receive the electrical control commands of the controller 11 to accurately start, stop, adjust speed and maintain constant speed, providing a rotational power source; the spur gear ring 68 is circumferentially interference-fitted on the cylinder 66. Below the outer surface sidewall; there are four key block cylinders 69, which are rotatably mounted inside four fixed seats 64 through bearings. The key block cylinders 69 adopt an internal and external through hollow structure. The key block cylinders 69 integrate a precision transmission key block structure. The outside is the bearing mating position, and the inside is the sliding guide cavity of the keyway shaft 611. It has the dual functions of rotary transmission and axial sliding guidance. It can rotate synchronously with the drive gear 610 and meet the axial extension and retraction feed motion of the keyway shaft 611, realizing the composite motion of rotary cutting and radial feed; there are four drive gears 610, which are respectively interference-fitted to the inner end of the outer surface sidewall of the four key block cylinders 69. The drive gears 610 and the spur gears The ring 68 meshes with the drive gear 610 and the keyway cylinder 69 to form an integrated synchronous rotation structure; there are four keyway shafts 611, which are respectively inserted into the inner cavities of the four keyway cylinders 69; there are four spherical heads 612, which are respectively fixedly installed on the outer ends of the four keyway shafts 611. The spherical heads 612 adopt a high-smoothness arc spherical surface structure. The spherical heads 612 serve as inclined surface force transmission contact structures, used to contact the tapered inclined surface at the bottom of the push seat 616 to convert the vertical thrust into radial horizontal feed thrust, realizing the force conversion function of radial feed of the drill bit 613; there are four drill bits 613, which are respectively fixedly installed on the inner ends of the four keyway shafts 611.Four springs 614 are provided, each sleeved around the outside of a keyway shaft 611. The inner and outer ends of each spring 614 contact the outside of the keyway cylinder 69 and the spherical head 612, respectively. These springs are high-strength precision compression springs, compressed during drilling feed and released elastically during tool retraction, automatically driving the keyway shaft 611 and drill bit 613 to retract and reset, thus achieving automatic tool retraction. Four telescopic rods 615 are provided, each circumferentially mounted on the top of the ring frame 63. A pusher seat 616 is circumferentially mounted on the top of the telescopic ends of the four telescopic rods 615. The pusher seat 616 adopts an integrated ring structure with a tapered converging slope at the bottom. The lower slope of the inner wall of the pusher seat 616 contacts the outer surface of each of the four spherical heads 612. The push seat 616 is made of high-strength wear-resistant alloy material. Its bottom conical bevel is smooth and flat, and simultaneously contacts the outer surface of the four sets of spherical heads 612. Vertical displacement generates radial force, synchronously pressing the four sets of spherical heads 612 inwards, achieving synchronous radial feed cutting of the four drill bits 613. Two miniature electric telescopic rods 617 are fixedly installed on the left and right sides of the top of the inner cavity of the outer shell 61, respectively. The telescopic ends of the two miniature electric telescopic rods 617 are fixedly connected to the top left and right sides of the push seat 616. The miniature electric telescopic rods 617 feature high-precision telescopic movement, controllable stroke, uniform thrust, and strong synchronization. They can synchronously rise, fall, and extend under the command of the controller 11, driving the vertical displacement of the push seat 616.

[0023] As a preferred option, further, such as Figure 8 and Figure 9As shown, the grinding mechanism 7 includes: a stand 71, a first guide rail assembly 72, a first mounting plate 73, a first electric telescopic rod 74, a limiting assembly 75, a second electric telescopic rod 76, a mounting bracket 77, a ring frame 78, a roller seat 79, an annular groove 710, an annular chain 711, a drive motor 712, a sprocket 713, a linear drive module 714, a grinding module 715, and a hole position detection sensor 716; the stand 71 is fixedly installed on the top right side of the outer surface of the base housing 1 in the left-right direction; there are two first guide rail assemblies 72, which are respectively fixedly installed on the upper and lower ends of the front surface of the stand 71 in the left-right direction, and the first guide rail assemblies 72 adopt precision linear... The guide frame structure can bidirectionally constrain the movement trajectory of the front-end first mounting plate 73, limiting its swaying, offset, and deflection. The first mounting plate 73 is fixedly installed on the front side of the limiting ends of the upper and lower first guide rail assemblies 72. The first electric telescopic rod 74 is fixedly installed on the top of the outer surface of the upright frame 71 along the left and right direction via a bracket. The telescopic end of the first electric telescopic rod 74 is connected to the top of the first mounting plate 73 via a connector. The first electric telescopic rod 74 is electrically connected to the controller 11. The first electric telescopic rod 74 adopts a high-precision servo electric telescopic drive module, which has the characteristics of controllable stroke, high positioning accuracy, stable operation, and low-speed crawl-free performance. It can receive electrical control commands from the controller 11 for precise telescopic extension and retraction. The first mounting plate 73 is driven to complete precise horizontal displacement adjustment. Two limiting components 75 are used, fixedly installed at the left and right ends of the front surface of the first mounting plate 73 along the vertical direction. The limiting components 75 employ a high-precision linear limiting guide structure, which can symmetrically constrain the vertical movement trajectory of the front mounting frame 77. The second electric telescopic rod 76 is fixedly installed above the front surface of the first mounting plate 73 along the vertical direction via a bracket. The second electric telescopic rod 76 is electrically connected to the controller 11 and uses a vertical precision servo telescopic drive unit, which has the advantages of fast lifting response, high repeatability, and stable load. It can respond to control commands. The vertical telescopic stroke is precisely output; the mounting bracket 77 is fixedly installed in the vertical direction on the front side of the limiting end of the two first mounting plates 73 on the left and right sides, and the telescopic end of the second electric telescopic rod 76 is fixedly connected to the top of the mounting bracket 77; the ring frame 78 is fixedly installed in the circumferential direction on the bottom of the outer surface of the mounting bracket 77; there are four roller seats 79, which are respectively movably engaged with the outer side of the ring frame 78 at a circumferential interval of 90 degrees. The roller seats 79 have built-in silent and wear-resistant roller bearings, which can conform to the track of the ring frame 78 to make smooth circumferential rolling motion; the annular groove 710 is fixedly installed in the circumferential direction on the bottom of the outer surface of the four roller seats 79; the annular chain 711 is fixedly installed in the circumferential direction on the inner side of the inner cavity of the annular groove 710.The drive motor 712 is fixedly mounted on the top rear side of the outer surface of the ring frame 78 via a bracket. The rotating end of the drive motor 712 extends out of the lower surface of the ring frame 78. The drive motor 712 is electrically connected to the controller 11. The drive motor 712 is a high-precision speed-regulating drive motor. The drive motor 712 can receive speed adjustment, start / stop, and forward / reverse control signals from the controller 11, and output stable torque and precise speed to the sprocket 713. The sprocket 713 is fixedly mounted on the top of the rotating end of the drive motor 712, and the sprocket 713 meshes with the annular chain 711. The linear drive module 714 is fixedly mounted on the annular groove 710 in the left-right direction. On the bottom right side of the outer surface, the linear drive module 714 is electrically connected to the controller 11. The linear drive module 714 adopts a high-precision micro linear feed module, which has the advantages of high feed accuracy, controllable stroke, and fast response speed. It can receive electrical control commands to realize precise radial extension and retraction feed, providing feed power for the grinding module 715 to extend into and retract from the oil hole, and adapting to the grinding operation requirements of different hole diameters and depths. The grinding module 715 is fixedly installed at the bottom of the moving end of the linear drive module 714. The grinding module 715 is electrically connected to the controller 11. The grinding module 715 is the execution unit for fine grinding of the inner wall of the oil hole, with built-in high-speed grinding... The grinding motor, flexible grinding head, and adaptive buffer structure can receive control commands from the controller 11 to achieve high-speed rotary grinding operations. It can finely polish drilling marks, micro-burrs, and uneven steps on the inner wall of the oil holes on the cylinder sidewall. It can adaptively conform to the curved surface of the hole wall, effectively improving the smoothness of the inner wall and the transition of the hole opening, ensuring the accuracy of hydraulic oil flow and sealing performance. The hole position detection sensor 716 is fixedly installed on the outside of the grinding module 715, with its detection end facing the workpiece sidewall. The hole position detection sensor 716 is electrically connected to the controller 11 and is used to identify the position of the oil holes on the cylinder sidewall and feed it back to the controller 11. For the alignment signal, the hole position detection sensor 716 preferentially adopts a high-precision diffuse reflection photoelectric displacement sensor. During the grinding alignment process, the controller 11 first controls the drive motor 712 to complete the initial indexing at a preset angle, so that the grinding module 715 is roughly aligned with the oil hole area. Then, the drive motor 712 rotates at a low speed for fine adjustment. The hole position detection sensor 716 collects the wall surface signal in real time and feeds it back to the controller 11. When an oil hole is detected, the controller 11 immediately locks the drive motor 712, completing the precise coaxial alignment of the grinding end and the oil hole. This ensures that the grinding end can be accurately inserted into the oil hole during subsequent radial feed, avoiding impact with the outer wall of the cylinder.

[0024] As a preferred option, further, such as Figure 10As shown, the transfer mechanism 8 includes: a second guide rail assembly 81, a second mounting plate 82, a third electric telescopic rod 83, a second telescopic frame 84, a third telescopic cylinder 85, a fourth telescopic cylinder 86, a slot seat 87, and a third clamping module 88; there are two second guide rail assemblies 81, which are fixedly installed on the top front and rear sides of the outer surface of the base housing 1 in the left-right direction, respectively. The second guide rail assembly 81 adopts a high-precision heavy-duty linear guide rail structure; the second mounting plate 82 is fixedly installed on the top of the limiting ends of the front and rear second guide rail assemblies 81; the third electric telescopic rod 83 is fixedly installed on the outer surface of the base housing 1 in the left-right direction via a bracket. Located on the top surface and to the left front of the second guide rail assembly 81, the telescopic end of the third electric telescopic rod 83 is connected to the right side of the outer surface of the second mounting plate 82 via a connector. The third electric telescopic rod 83 is electrically connected to the controller 11. The third electric telescopic rod 83 adopts a high-precision servo electric telescopic module, which features closed-loop control of stroke, high repeatability, stable telescopic speed, and no vibration at low speed. The third electric telescopic rod 83 can receive program instructions from the controller 11 to output lateral driving force, thereby driving the second mounting plate 82 to complete precise lateral translation. There are two second telescopic frames 84, which are respectively fixedly installed on the second mounting plate 82. The second mounting plate 82 has two outer surfaces, one on the top left and right sides; the third telescopic cylinder 85 is fixedly installed at the top center of the outer surface of the second mounting plate 82, with its telescopic end connected to the bottom of the telescopic end of the second telescopic frame 84. The third telescopic cylinder 85 is electrically connected to the controller 11. The third telescopic cylinder 85 is a precision standard pneumatic telescopic cylinder, which can be precisely controlled by the controller 11 to drive the two sets of second telescopic frames 84 to complete the vertical lifting action; the fourth telescopic cylinder 86 is fixedly installed on the front side of the top center of the outer surface of the second telescopic frame 84 through a bracket. The fourth telescopic cylinder 86 is electrically connected to the controller 11. It is a small precision adjusting cylinder with the advantages of accurate stroke, high fine-tuning accuracy and sensitive action. It can receive electrical control commands from the controller 11 to complete precise forward and backward telescopic adjustment. The slot seat 87 is fixedly installed on the top of the lifting end of the second telescopic frame 84 and is located on the rear side of the fourth telescopic cylinder 86. The third clamping module 88 is inserted into the top of the inner side of the slot seat 87. The telescopic end of the fourth telescopic cylinder 86 is fixedly connected to the rear side of the third clamping module 88. The third clamping module 88 is electrically connected to the controller 11. The third clamping module 88 adopts a pneumatic adaptive clamping structure and is equipped with anti-slip flexible clamping pads. It can automatically complete clamping and unloading actions according to program commands.

[0025] As a preferred option, further, such as Figure 11As shown, the discharge mechanism 9 includes: a horizontal moving module 91, a second rotating module 92, a second lifting module 93, a fifth telescopic cylinder 94, and a fourth clamping module 95. The horizontal moving module 91 is fixedly mounted on the upper surface of the base housing 1 along the front-back direction via a bracket, and is located behind the discharge port on the right front of the housing 10. The horizontal moving module 91 is electrically connected to the controller 11. The horizontal moving module 91 adopts a precision linear servo translation module, which can receive electrical control commands from the controller 11 to achieve precise translation in the front-back direction. The second rotating module 92 is fixedly mounted on the top of the moving end of the horizontal moving module 91 via a bracket. The second rotating module 92 is electrically connected to the controller 11. The second rotating module 92 is a high-precision servo rotation drive component, which has the performance of accurate angle positioning, smooth rotation, and fixed-point locking. It can receive commands from the controller 11 to complete precise angle rotation. The second lifting module 93 is mounted along the vertical direction via a bracket. The bracket is fixedly installed on the top of the rotating end of the second rotating module 92. The second lifting module 93 is electrically connected to the controller 11. The second lifting module 93 adopts a vertical precision servo lifting module, which can rotate synchronously with the second rotating module 92 and independently complete the vertical lifting adjustment to achieve adaptive and precise alignment of the workpiece discharge height. The fifth telescopic cylinder 94 is fixedly installed on the left side of the lifting end of the second lifting module 93. The fifth telescopic cylinder 94 is electrically connected to the controller 11. The fifth telescopic cylinder 94 can complete the horizontal extension and retraction fine adjustment according to the discharge docking requirements, which is used to precisely adjust the left and right positions of the fourth clamping module 95 and correct the docking deviation. The fourth clamping module 95 is fixedly installed on the left side of the extension end of the fifth telescopic cylinder 94. The fourth clamping module 95 is electrically connected to the controller 11. The fourth clamping module 95 adopts a pneumatic clamping structure, which can automatically complete the clamping and unloading actions to complete the final clamping, transfer and automatic discharge of the finished workpiece.

[0026] The specific work steps are as follows: Step 1: Before operation, the operator uses external handling equipment or a conveyor line to place the hydraulic cylinder barrels to be processed from the dedicated feed port on the rear side of the housing 10 one by one into the storage slot 32 of the workpiece storage mechanism 3. The limiting structure of the storage slot 32 is used to initially fix the workpieces. After the workpieces are loaded, the operator operates the controller 11 to start the preset automated drilling and grinding processing program inside the equipment. After the program starts, the controller 11 controls the electric turntable 31, the first telescopic cylinder 33, the second telescopic cylinder 34 and the first clamping module 35 to start in an orderly and coordinated manner. The electric turntable 31 has a built-in drive motor that drives the turntable body and the multiple storage slots 32 arranged around the circumference to rotate in sections, loading the storage slots containing the workpieces to be processed. The slot 32 is sequentially transferred to the alignment station behind the first clamping module 35. Then, the first telescopic cylinder 33 extends and drives the second telescopic cylinder 34 at the end of the cylinder rod and the first clamping module 35 to move backward as a whole, so that the first clamping module 35 fits the outer contour of the workpiece and completes adaptive clamping and fixing. After the workpiece is clamped, the second telescopic cylinder 34 extends vertically upward, driving the first clamping module 35 and the clamped workpiece to lift synchronously, moving the workpiece out of the limiting cavity of the storage slot 32 and away from the storage station. Finally, the first telescopic cylinder 33 retracts and resets, pulling the second telescopic cylinder 34 and the first clamping module 35 forward to transport the workpiece to be processed to the transfer waiting station behind the transfer mechanism 4, completing the storage and loading and station switching operations of a single set of workpieces. Step 2: After the workpiece is transported to the transfer station, the controller 11 continues to execute the preset program, activating the first lifting module 41, the first rotating module 42, and the second clamping module 44. The first rotating module 42 drives the rotating arm 43 to rotate precisely 90 degrees backward, aligning the second clamping module 44 at the end of the rotating arm 43 with the workpiece to be transferred directly above the gripping station. At the same time, the second telescopic cylinder 34 of the workpiece storage mechanism 3 extends slightly upward again, fine-tuning the workpiece height so that the workpiece is embedded in the clamping adaptation area of ​​the second clamping module 44. The second clamping module 44 closes to complete the workpiece gripping and clamping, simultaneously... The first clamping module 35 is released and reset, releasing the fixed constraint on the workpiece and completing the workpiece handover. After the workpiece transfer is completed, each execution component of the workpiece storage mechanism 3 is reset in sequence, returning to the initial standby state, waiting for the next set of workpieces to be loaded. The first rotating module 42 drives the rotating arm 43 to rotate 90 degrees in the opposite direction, driving the second clamping module 44 and the clamped workpiece to turn to the conveying direction of the transfer mechanism 8. The first lifting module 41 retracts vertically, driving the first rotating module 42, the rotating arm 43 and the workpiece to descend as a whole, placing the workpiece and embedding it into the inner clamping position of the third clamping module 88 of the transfer mechanism 8. Step 3: After the workpiece is in place, the controller 11 activates the third clamping module 88, the third electric telescopic rod 83, the third telescopic cylinder 85, and the fourth telescopic cylinder 86 of the transfer mechanism 8. The third clamping module 88 closes to clamp the workpiece, while the second clamping module 44 of the transfer mechanism 4 releases and resets, completing the workpiece transfer. The entire transfer mechanism 4 resets and stands ready. The third electric telescopic rod 83 extends, driving the second mounting plate 82 to move horizontally to the right under the guidance and limiting action of the two sets of second guide rail assemblies 81, simultaneously driving... The second telescopic frame 84, the third clamping module 88, and the clamped workpiece move as a whole, so that the workpiece passes through the workstations of the hole-opening mechanism 5 and the grinding mechanism 7 in sequence. When the workpiece moves to the designated area for hole-opening, the second telescopic frame 84 is driven to complete vertical lifting and fine adjustment by the telescopic action of the third telescopic cylinder 85 to calibrate the vertical height of the workpiece. The fourth telescopic cylinder 86 telescopically operates to drive the third clamping module 88 to complete front and rear position fine adjustment along the inner side of the slot seat 87, thereby positioning the workpiece in the inner workstation of the fixed module 54 of the hole-opening mechanism 5 from two dimensions. Step 4: After the workpiece is positioned, the controller 11 sequentially activates the position sensor 55, the fixing module 54, the linear motor 53, the micro motor 67, and the micro electric telescopic rod 617. The position sensor 55 senses the workpiece's positioning status in real time and sends a signal back to the controller 11 after confirming the workpiece's positioning. Immediately, the fixing module 54 starts, rigidly clamping and fixing the cylinder workpiece in the workstation, effectively suppressing workpiece vibration and displacement during subsequent drilling. Simultaneously, the third clamping module 88 releases and resets, releasing the workpiece conveying constraint. The linear motor 53 extends and retracts, driving... The first telescopic frame 52 is vertically raised and lowered, driving the entire actuator 6 to the processing position outside the top of the workpiece, so that the top of the workpiece passes through the workstation hole 62 and is inserted into the inner cavity of the cylinder 66, completing the pre-alignment for drilling. After processing starts, the micro motor 67 drives the spur gear ring 68 to rotate. Through gear meshing, it synchronously drives the four circumferentially arranged drive gears 610 and the corresponding key block cylinders 69 to rotate synchronously. The key block cylinders 69 drive the four keyway shafts 611, drill bit 613 and ball head through the keyway fit structure between the internal key block and the keyway shaft 611. The 612 synchronous high-speed axial rotation enables simultaneous cutting preparation by multiple drill bits. Simultaneously, the left and right sets of miniature electric telescopic rods 617 extend downwards, pushing the annular push seat 616 downwards. Utilizing the conical inclined surface structure at the bottom of the push seat 616, the four sets of spherical heads 612 are pressed inwards. After being subjected to force, the spherical heads 612 drive the keyway shaft 611 to feed radially inwards along the inner cavity of the key block cylinder 69, simultaneously compressing the compression spring 614. This causes the high-speed rotating drill bit 613 to continuously apply cutting pressure to the cylinder sidewall, completing the multi-station synchronous drilling of the cylinder sidewall. After the drilling process is completed, the miniature electric telescopic rod 617 retracts and resets, driving the push seat 616 to rise upwards, releasing the squeezing constraint on the spherical head 612. At this time, the compression spring 614 elastically resets, pushing the spherical head 612, keyway shaft 611 and drill bit 613 outwards, causing the drill bit 613 to exit the machining hole. The third clamping module 88 of the transfer mechanism 8 re-clamps the workpiece, the fixing module 54 releases the workpiece fixation, and the workpiece with completed drilling is driven by the transfer mechanism 8 to continue to be transported to the right and moved to the grinding station below the grinding mechanism 7. Step 5: After the workpiece arrives at the grinding station, the controller 11 synchronously controls the first electric telescopic rod 74, the second electric telescopic rod 76, the drive motor 712, the linear drive module 714, the grinding module 715, and the chip collection system 2 to start. The first electric telescopic rod 74 extends and retracts, driving the first mounting plate 73 to complete horizontal translation under the guidance and limitation of the upper and lower sets of first guide rail assemblies 72. The second electric telescopic rod 76 extends and retracts, driving the mounting frame 77 to move vertically up and down. Under the dual-axis coordinated adjustment, the horizontal and vertical positions of the circular frame 78 are corrected, so that the circular frame 78 is aligned with the grinding station. The ring frame 78 is aligned with the central axis of the cylinder workpiece to ensure coaxiality during subsequent grinding operations. After position calibration, the drive motor 712 rotates, driving the sprocket 713 to rotate. Through the meshing transmission between the sprocket and the chain, the annular groove 710 and the internal annular chain 711 are driven to rotate circumferentially. At the same time, the four sets of roller seats 79 slide along the annular trajectory on the outer side of the ring frame 78. During the rotation of the annular groove 710, the controller 11 first controls the drive motor 712 to rotate in 90-degree increments according to the circumferential hole position parameters preset in the drilling process, realizing the grinding module. Initial positioning of 715: When the grinding module 715 approaches the target oil hole area, the drive motor 712 switches to low-speed fine-tuning mode, and the hole position detection sensor 716 emits detection signals towards the cylinder sidewall in real time. When a signal change in the formation of the oil hole is detected, a stop signal is immediately sent to the controller 11. The controller 11 then locks the drive motor 712, completing the precise coaxial alignment of the grinding end of the grinding module 715 with the oil hole. After single-hole alignment is completed, the linear drive module 714 drives the grinding module 715 to feed inward, moving the high-speed rotating grinding... The end is inserted into the oil hole, and the grinding end rotates at high speed driven by the built-in motor of the grinding module 715. It performs fine grinding and polishing on the drilling marks, burrs, and uneven steps on the inner wall of the oil hole. At the same time, the sharp edge of the hole is rounded to ensure that the surface finish of the inner wall of the oil hole meets the standard. During the entire drilling and grinding process, the chip collection system 2 runs continuously. It collects metal chips and dust generated during processing in real time through the principle of negative pressure adsorption, effectively preventing chips from remaining on the surface of the workpiece, inside the equipment, or in the oil passage, and eliminating impurities that affect the processing quality of the workpiece and the stability of the equipment operation. Step 6: After all the oil holes on the sidewall of the workpiece have been polished, the transfer mechanism 8 moves the workpiece to the right, conveying the polished workpiece to the fourth clamping module 95 of the discharge mechanism 9. After the position is aligned, the controller 11 controls the fourth clamping module 95, the fifth telescopic cylinder 94, the second rotating module 92, the horizontal moving module 91, and the second lifting module 93 to operate in an orderly manner. The fourth clamping module 95 closes to grip and fix the workpiece, while the third clamping module 88 releases and resets, completing the workpiece transfer. The transfer mechanism 8 resets and stands by, and the fifth telescopic cylinder 94 retracts for fine adjustment, moving the fourth clamping module 95 and the workpiece to the right. The second rotating module 92 drives the second lifting module 93. Module 93 rotates 90 degrees, changing the workpiece's processing posture from inside the equipment to a discharge posture facing the front discharge port of the outer shell 10. After the posture adjustment is completed, the horizontal moving module 91 is activated, driving the second lifting module 93, the fifth telescopic cylinder 94, and the fourth clamping module 95 that holds the workpiece to move forward as a whole, sending the workpiece out of the discharge port of the outer shell 10. The second lifting module 93 descends vertically, moving the workpiece downwards to align with the external finished product handling and conveying equipment. After alignment, the fourth clamping module 95 releases the workpiece's fixing constraint, and the finished workpiece falls smoothly into the external transfer equipment, finally completing the fully automated processing flow of drilling, grinding, and discharging the hydraulic cylinder barrel workpiece.

[0027] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for integrated drilling and grinding of oil holes in a hydraulic cylinder barrel, characterized in that, include: Base shell (1); The chip collection system (2) is embedded and fixedly installed at the top left rear of the base housing (1); The workpiece storage mechanism (3) is installed on the top of the outer surface of the chip collection system (2); The transfer mechanism (4) is located on the top left side of the base housing (1) and in front of the workpiece storage mechanism (3). The hole-opening mechanism (5) is located on the top of the chip collection system (2) and on the outside right side of the workpiece storage mechanism (3); A polishing mechanism (7) is located on the top right side of the base housing (1); The transfer mechanism (8) is located on the top of the base housing (1) and in front of the opening mechanism (5) and the grinding mechanism (7). The discharge mechanism (9) is located on the top of the base housing (1) and on the outside right side of the transfer mechanism (8); The outer shell (10) is fixedly installed on the outer top of the base shell (1); The controller (11) is fixedly installed above the front side of the outer surface of the base shell (1) by a bracket. The base shell (1), chip collection system (2), workpiece storage mechanism (3), transfer mechanism (4), opening mechanism (5), grinding mechanism (7), transfer mechanism (8), material discharge mechanism (9) and cover shell (10) are electrically connected to the controller (11). The power distribution cabinet (12) is fixedly installed on the right rear side of the outer surface of the base shell (1) and the cover shell (10), and the power distribution cabinet (12) is electrically connected to the controller (11); The opening mechanism (5) includes: A vertical frame (51) is fixedly installed on the upper front right side of the chip collection system (2); The first telescopic frame (52) is embedded in the top front side of the vertical frame (51) along the vertical direction; The actuating component (6) is located below the telescopic end of the first telescopic frame (52); A linear motor (53) is fixedly installed on the upper surface of the vertical frame (51). The telescopic end of the linear motor (53) extends out of the lower surface of the vertical frame (51) and is fixedly connected to the top of the telescopic end of the first telescopic frame (52). The linear motor (53) is electrically connected to the controller (11). The fixing module (54) is fixedly installed on the upper surface of the chip collection system (2) by a bracket and located on the inner side of the vertical frame (51). The fixing end of the fixing module (54) is aligned with the execution component (6). The fixing module (54) is electrically connected to the controller (11). A position sensor (55) is fixedly mounted on the outer surface of the vertical frame (51) by a bracket, and the position sensor (55) is electrically connected to the controller (11); The execution component (6) includes: The outer shell (61) is fixedly installed in the middle of the lower surface of the telescopic end of the first telescopic frame (52) in the vertical direction; A work station hole (62) is provided at the bottom of the inner cavity of the outer shell (61); The ring frame (63) is fixedly installed at the bottom of the inner cavity of the outer shell (61) and located above the outside of the work station hole (62); The number of fixed seats (64) is four, and the four fixed seats (64) are installed on the inner side of the top of the outer surface of the ring frame (63) at a circumferential interval of ninety degrees. The annular seat (65) is fixedly installed circumferentially on the top inner side of the outer surface of the four fixed seats (64); The cylinder (66) is rotatably mounted on the inner middle of the annular seat (65) through a bearing in the vertical direction; A micro motor (67) is fixedly installed at the top of the inner cavity of the outer shell (61) in the vertical direction. The rotating end of the micro motor (67) is fixedly connected to the top axis of the cylinder (66). The micro motor (67) is electrically connected to the controller (11). The spur gear ring (68) is circumferentially interference-fitted below the outer surface sidewall of the cylinder (66).

2. The integrated drilling and grinding device for hydraulic cylinder barrel oil holes according to claim 1, characterized in that, The workpiece storage mechanism (3) includes: An electric turntable (31) is fixedly installed on the upper surface of the chip collection system (2) by a bracket. The inner turntable of the electric turntable (31) extends out of the left rear feed port of the outer shell (10). The electric turntable (31) is electrically connected to the controller (11). Storage slots (32), the number of which is several, and several storage slots (32) are installed circumferentially at intervals on the outer side of the outer surface of the electric turntable (31); The first telescopic cylinder (33) is fixedly installed on the upper surface of the chip collection system (2) and located directly in front of the electric turntable (31). The first telescopic cylinder (33) is electrically connected to the controller (11). The second telescopic cylinder (34) is fixedly installed above the rear side of the telescopic end of the first telescopic cylinder (33) by a bracket along the vertical direction. The second telescopic cylinder (34) is electrically connected to the controller (11). The first clamping module (35) is fixedly installed on the top of the telescopic end of the second telescopic cylinder (34), and the first clamping module (35) is electrically connected to the controller (11).

3. The integrated drilling and grinding device for hydraulic cylinder barrel oil holes according to claim 2, characterized in that, The execution component (6) further includes: Key block cylinder (69), the number of key block cylinders (69) is four, and the four key block cylinders (69) are respectively installed inside the four fixed seats (64) through bearings; The number of drive gears (610) is four. The four drive gears (610) are respectively interference-fitted on the inner end of the outer surface sidewall of the four key block cylinders (69). The drive gears (610) mesh with the spur gear ring (68). The keyway shaft (611) has four keyway shafts (611), and the four keyway shafts (611) are respectively inserted into the inner cavity of the four key block cylinders (69); The ball head (612) has four parts, and the four ball heads (612) are respectively fixedly installed on the outer ends of the four keyway shafts (611); The drill bit (613) is four in number, and the four drill bits (613) are respectively fixedly installed on the inner ends of four keyway shafts (611); Spring (614), there are four springs (614), the four springs (614) are respectively sleeved on the outside of the four keyway shafts (611), and the inner and outer ends of the springs (614) are in contact with the outside of the key block cylinder (69) and the spherical head (612) respectively; Telescopic rods (615), the number of which is four, and the four telescopic rods (615) are respectively installed circumferentially on the top of the ring frame (63); The push seat (616) is installed circumferentially on the top of the telescopic ends of the four telescopic rods (615). The push seat (616) adopts an integrated ring structure and has a tapered converging slope at the bottom. The lower slope of the inner wall of the push seat (616) contacts the outer surface of the four spherical heads (612). Miniature electric telescopic rod (617), the number of miniature electric telescopic rods (617) is two, the two miniature electric telescopic rods (617) are fixedly installed on the left and right sides of the top of the inner cavity of the outer shell (61) in the vertical direction, and the telescopic ends of the two miniature electric telescopic rods (617) are fixedly connected to the top left and right sides of the push seat (616).

4. The integrated drilling and grinding device for hydraulic cylinder barrel oil holes according to claim 3, characterized in that, The polishing mechanism (7) includes: The support frame (71) is fixedly installed on the top right side of the outer surface of the base housing (1) in the left-right direction; The first guide rail assembly (72) has two components, and the two first guide rail assemblies (72) are respectively fixedly installed on the upper and lower ends of the front surface of the upright frame (71) in the left and right direction. The first mounting plate (73) is fixedly installed on the front side of the limiting end of the upper and lower first guide rail assemblies (72); The first electric telescopic rod (74) is fixedly installed on the top of the outer surface of the stand (71) in the left-right direction by a bracket. The telescopic end of the first electric telescopic rod (74) is connected to the top of the first mounting plate (73) by a connector. The first electric telescopic rod (74) is electrically connected to the controller (11). Limiting components (75), the number of the limiting components (75) is two, and the two limiting components (75) are respectively fixedly installed on the left and right ends of the front surface of the first mounting plate (73) in the up and down direction; The second electric telescopic rod (76) is fixedly installed above the front side of the outer surface of the first mounting plate (73) in the vertical direction by a bracket. The second electric telescopic rod (76) is electrically connected to the controller (11). The mounting bracket (77) is fixedly installed in the vertical direction on the front side of the limiting ends of the two first mounting plates (73) on the left and right sides, and the telescopic end of the second electric telescopic rod (76) is fixedly connected to the top of the mounting bracket (77).

5. The integrated drilling and grinding device for hydraulic cylinder barrel oil holes according to claim 4, characterized in that, The polishing mechanism (7) also includes: A circular frame (78) is fixedly installed circumferentially on the bottom of the outer surface of the mounting frame (77); Roller seat (79), the number of roller seats (79) is four, and the four roller seats (79) are respectively movably engaged with the outer side of the ring frame (78) at a circumferential interval of ninety degrees; An annular groove (710) is fixedly mounted circumferentially on the bottom of the outer surface of the four roller seats (79); A ring chain (711) is fixedly installed circumferentially inside the cavity of the ring groove (710); The drive motor (712) is fixedly mounted on the top rear side of the outer surface of the ring frame (78) by a bracket. The rotating end of the drive motor (712) extends out of the lower surface of the ring frame (78). The drive motor (712) is electrically connected to the controller (11). A sprocket (713) is fixedly mounted on the top of the rotating end of the drive motor (712), and the sprocket (713) meshes with the annular chain (711); A linear drive module (714) is fixedly installed on the bottom right side of the outer surface of the annular groove (710) in the left-right direction, and the linear drive module (714) is electrically connected to the controller (11). A grinding module (715) is fixedly installed at the bottom of the moving end of the linear drive module (714), and the grinding module (715) is electrically connected to the controller (11). The hole position detection sensor (716) is fixedly installed on the outside of the grinding module (715), with the detection end facing the side wall of the workpiece. The hole position detection sensor (716) is electrically connected to the controller (11) and is used to identify the position of the oil hole on the side wall of the cylinder and feed back the alignment signal to the controller (11).

6. The integrated drilling and grinding device for hydraulic cylinder barrel oil holes according to claim 5, characterized in that, The transfer mechanism (8) includes: The second guide rail assembly (81) has two components, and the two second guide rail assemblies (81) are fixedly installed on the front and rear sides of the top of the outer surface of the base housing (1) in the left and right directions respectively; The second mounting plate (82) is fixedly installed on the top of the limiting ends of the two front and rear second guide rail assemblies (81); The third electric telescopic rod (83) is fixedly installed on the top of the outer surface of the base housing (1) in the left and right direction by a bracket, and is located on the left front of the second guide rail assembly (81) on the front side. The telescopic end of the third electric telescopic rod (83) is connected to the right side of the outer surface of the second mounting plate (82) by a connector. The third electric telescopic rod (83) is electrically connected to the controller (11). The second telescopic frame (84) has two components, and the two second telescopic frames (84) are respectively fixedly installed on the top left and right sides of the outer surface of the second mounting plate (82); The third telescopic cylinder (85) is fixedly installed at the top center of the outer surface of the second mounting plate (82). The telescopic end of the third telescopic cylinder (85) is connected to the bottom of the telescopic end of the second telescopic frame (84). The third telescopic cylinder (85) is electrically connected to the controller (11). The fourth telescopic cylinder (86) is fixedly installed on the front side of the top center of the outer surface of the second telescopic frame (84) by a bracket, and the fourth telescopic cylinder (86) is electrically connected to the controller (11); The slot seat (87) is fixedly installed on the top of the lifting end of the second telescopic frame (84) and located on the rear side of the fourth telescopic cylinder (86); The third clamping module (88) is inserted into the top of the inner side of the slot seat (87). The telescopic end of the fourth telescopic cylinder (86) is fixedly connected to the rear side of the third clamping module (88). The third clamping module (88) is electrically connected to the controller (11).

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