Multi-station oil and gas pipeline automatic isolation device and method for machining center

Abstract

The application relates to the technical field of double-exchange workbench machining centers, and particularly provides a multi-station oil and gas pipeline automatic isolation device and method for a double-exchange workbench machining center. The device comprises a machine table, a machining area, a feeding and discharging area, two workbenches, a displacement mechanism, a sliding seat mechanism and a bidirectional exchange station. A vertical beam body, a cross beam body, a lifting door device, an oil / gas pipeline rotary distributor, an oil / gas inlet pipe and an oil / gas outlet pipe are arranged on the machine table. The device is provided with a fixed cross beam body as a pipeline layout center. The dynamic following of the pipeline is realized by using the rotatable oil / gas pipeline rotary distributor, pipeline winding and abrasion are avoided, the lifting door device composed of four groups of independently controllable lifting door units realizes the accurate isolation and opening of the machining area and the feeding and discharging area in space and time, and reliable guarantee is provided for the safe, efficient and automatic exchange of the double workbenches.

Description

Technical Field

[0001] This invention relates to the field of machining center technology with dual-exchange worktables, and specifically to an automatic isolation device and method for multi-station oil and gas pipelines in machining centers. Background Technology

[0002] In a dual-exchange table machining center, the two tables need to move alternately between the machining area and the loading / unloading area to achieve uninterrupted processing and improve production efficiency. The tables are typically equipped with hydraulic or pneumatic clamps for clamping workpieces, and these clamps need to be connected to an external fluid power system via oil / pneumatic pipelines.

[0003] In existing technologies, oil and gas pipelines connected to the workbench fixture are typically moved with the workbench using cable chains or suspension. However, this method has significant drawbacks: First, the pipelines are prone to tangling, wear, or even breakage during reciprocating movement, affecting equipment stability and safety. Second, when two workbenches exchange between the processing area and the loading / unloading area, interference can easily occur between the pipelines and with other moving parts, limiting the smoothness of the exchange operation. Furthermore, due to the lack of an effective dynamic isolation device between the processing area and the loading / unloading area, chips and cutting fluid generated during processing can easily splash into the loading / unloading area, affecting operator safety and loading / unloading operations. Summary of the Invention

[0004] In view of the shortcomings of the prior art described above, the purpose of this invention is to provide an automatic isolation device and method for multi-station oil and gas pipelines in machining centers, which solves the problems in the prior art where, during the alternating movement of a double-exchange worktable machining center, the oil and gas pipelines connected to the worktable fixture are prone to entanglement and wear, and there is a lack of effective dynamic isolation between the machining area and the loading and unloading area, resulting in poor equipment operation stability and safety hazards.

[0005] To achieve the above and other related objectives, the present invention provides an automatic isolation device for multi-station oil and gas pipelines in a machining center, comprising a machine base, wherein the machine base is provided with a processing area and a loading / unloading area, and two worktables that cooperate to move and exchange between the processing area and the loading / unloading area; the processing area is provided with a shifting mechanism, and the shifting mechanism is provided with a sliding mechanism; the loading / unloading area is provided with a bidirectional exchange station. The front end of the shifting mechanism is provided with a column, the front of the column is equipped with a spindle machining system, and the side end of the column is equipped with a tool magazine system. The processing area is provided with a first exchange point and a second exchange point, and the loading and unloading area is provided with a third exchange point and a fourth exchange point. The shifting mechanism, the sliding mechanism, and the bidirectional exchange station cooperate to drive the two worktables to move and exchange positions between the first exchange point, the second exchange point, the third exchange point, and the fourth exchange point. The machine is equipped with vertical beams on both the front and rear sides, and a horizontal beam is connected between the two vertical beams. A lifting door device is installed on the side of the horizontal beam. Two oil / gas pipeline rotary distributors are installed at the lower end of the horizontal beam. The input end of the oil / gas pipeline rotary distributor is connected to an oil / gas inlet pipe, and the output end is connected to an oil / gas outlet pipe. Each of the two worktables is equipped with a set of hydraulic / pneumatic clamps. The workpiece is placed on the hydraulic / pneumatic clamps, and the output end of a single oil / pneumatic pipe is connected to one of the hydraulic / pneumatic clamps.

[0006] In one embodiment of the present invention, the oil / gas pipeline rotary distributor includes a distributor rotating shaft, a distributor rotating sleeve, and a distributor mounting base; the distributor mounting base is installed below the main body of the crossbeam, the distributor rotating sleeve is mounted on the distributor mounting base, and the distributor rotating shaft is rotatably engaged inside the distributor rotating sleeve; the interior of the distributor rotating shaft is provided with multiple sets of oil / gas passages, and both ends of each oil / gas passage are provided with oil / gas pipe interfaces, the inlet oil / gas pipe and the outlet oil / gas pipe are respectively connected to the oil / gas pipe interfaces at both ends of the oil / gas passages.

[0007] In one embodiment of the present invention, the two oil / gas pipeline rotary distributors are respectively located between the first switching point and the fourth switching point, and between the second switching point and the third switching point; The oil / gas pipe connected to the oil / gas pipeline rotary distributor located between the first switching point and the fourth switching point is the first group of oil / gas pipes, and the output end of the first group of oil / gas pipes is connected to a hydraulic / pneumatic clamp. The oil / gas pipe connected to the oil / gas pipeline rotary distributor located between the second switching point and the third switching point is the second set of oil / gas pipes, and the output end of the second set of oil / gas pipes is connected to a hydraulic / pneumatic clamp.

[0008] In one embodiment of the present invention, the lifting door device includes a first group of lifting door units, a second group of lifting door units, a third group of lifting door units, and a fourth group of lifting door units; The first set of lifting door units and the third set of lifting door units are arranged side by side on the side of the crossbeam body near the processing area. The first set of lifting door units can be raised and lowered according to the first switching point, and the third set of lifting door units can be raised and lowered according to the second switching point. The second group of lifting door units and the fourth group of lifting door units are arranged side by side on the side of the crossbeam body near the loading and unloading area. The second group of lifting door units can be raised and lowered corresponding to the fourth switching point, and the fourth group of lifting door units can be raised and lowered corresponding to the third switching point. The first set of oil / gas outlet pipes can be rotatably connected between the first set of lifting door units and the second set of lifting door units after being connected to the corresponding oil / gas pipeline rotary distributor; The second set of oil / gas outlet pipes can be rotatably connected between the third set of lifting door units and the fourth set of lifting door units after being connected to the corresponding oil / gas pipeline rotary distributor.

[0009] In one embodiment of the present invention, the first set of lifting door units includes a first door, a first linear actuator, a first connecting plate, and a first set of guide rail sliders; The first linear actuator is vertically mounted on one side of the main body of the vertical beam near the processing area. The first linear actuator has a movable end. The two ends of the first connecting plate are respectively connected to the movable end of the first linear actuator and the top of the No. 1 door. The first set of guide rail sliders is mounted between the side end of the No. 1 door and the side end of the main body of the crossbeam corresponding to the first switching point. The movement of the movable end of the first linear actuator drives the No. 1 door connected to it to move up and down at the position of the main body of the crossbeam near the first switching point. The second set of lifting door units includes a second door, a second linear actuator, a second connecting plate, and a second set of guide rail sliders; The second linear actuator is vertically mounted on one side of the main body of the vertical beam near the loading and unloading area. The second linear actuator has a movable end. The two ends of the second connecting plate are respectively connected to the movable end of the second linear actuator and the top of the second door. The second set of guide rail sliders is mounted between the side end of the second door and the side end of the main body of the crossbeam corresponding to the fourth switching point. The movement of the movable end of the second linear actuator drives the second door connected to it to move up and down at the position of the main body of the crossbeam near the fourth switching point. The third set of lifting door units includes a third door, a third linear actuator, a third connecting plate, and a third set of guide rail sliders; The third linear actuator is vertically mounted on the other side of the main body of the vertical beam near the processing area. The third linear actuator has a movable end. The two ends of the third connecting plate are respectively connected to the movable end of the third linear actuator and the top of the No. 3 door. The third set of guide rail sliders is mounted between the side end of the No. 3 door and the side end of the main body of the crossbeam corresponding to the second switching point. The movement of the movable end of the third linear actuator drives the No. 3 door connected to it to move up and down at the position of the main body of the crossbeam near the second switching point. The fourth set of lifting door units includes a fourth door, a fourth linear actuator, a fourth connecting plate, and a fourth set of guide rail sliders; The fourth linear actuator is vertically mounted on the other side of the main body of the other vertical beam near the loading and unloading area. The fourth linear actuator has a movable end. The two ends of the fourth connecting plate are respectively connected to the movable end of the fourth linear actuator and the top of the fourth door. The fourth set of guide rail sliders is mounted between the side end of the fourth door and the side end of the main body of the crossbeam corresponding to the third switching point. The movement of the movable end of the fourth linear actuator drives the fourth door connected to it to move up and down at the position of the main body of the crossbeam near the third switching point.

[0010] In one embodiment of the present invention, the No. 1 door, No. 3 door, No. 2 door, and No. 4 door form two rows of four lifting door structures on both sides of the main body of the crossbeam; the No. 1 door, the No. 4 door, and the No. 2 door and the No. 3 door are independently raised and lowered on both sides of the main body of the crossbeam to isolate and open the processing area and the loading and unloading area in two parallel and staggered ways on both sides of the main body of the crossbeam.

[0011] In one embodiment of the present invention, the device further includes a fifth set of sliding units and a sixth set of sliding units, wherein the fifth set of sliding units is installed on the crossbeam body in the region near the first set of oil / gas pipes; and the sixth set of sliding units is installed on the crossbeam body in the region near the second set of oil / gas pipes. The fifth set of sliding units includes a fifth linear actuator, a fifth L-shaped connecting plate, and a fifth set of guide rail sliders. The fifth linear actuator and the fifth set of guide rail sliders are both mounted on the crossbeam body, and the fifth L-shaped connecting plate is connected to the movable end of the fifth linear actuator. The oil / gas pipeline rotary distributor connected to the first set of oil / gas pipelines is mounted on the fifth set of guide rail sliders via the distributor mounting base and is connected to the fifth L-shaped connecting plate. The oil / gas pipeline rotary distributor is pushed to reciprocate between the first set of lifting door units and the second set of lifting door units by the fifth set of sliding units, for the repositioning of the first set of oil / gas pipelines. The sixth set of sliding units includes a sixth linear actuator, a sixth L-shaped connecting plate, and a sixth set of guide rail sliders. The sixth linear actuator and the sixth set of guide rail sliders are both mounted on the crossbeam body, and the sixth L-shaped connecting plate is connected to the movable end of the sixth linear actuator. The oil / gas pipeline rotary distributor connected to the second set of oil / gas pipelines is mounted on the sixth set of guide rail sliders via the distributor mounting base and connected to the sixth L-shaped connecting plate. The oil / gas pipeline rotary distributor is pushed to reciprocate between the third set of lifting door units and the fourth set of lifting door units by the sixth set of sliding units, for the repositioning of the second set of oil / gas pipelines.

[0012] In one embodiment of the present invention, an oil / gas pipe lifting unit is respectively provided at the upper end of the two worktables that are close to each other. The oil / gas pipe lifting unit includes an oil / gas pipe linear actuator, an oil / gas pipe connecting plate, and an oil / gas pipe support. The oil / gas pipe support is mounted on the upper end of the worktable, the oil / gas pipe linear actuator is mounted on the oil / gas pipe support, and the oil / gas pipe connecting plate is mounted on the movable end of the oil / gas pipe linear actuator. The first set of oil / gas outlet pipes is connected to the oil / gas outlet pipe connection plate of one of the oil / gas outlet pipe lifting units, and the second set of oil / gas outlet pipes is connected to the oil / gas outlet pipe connection plate of the other oil / gas outlet pipe lifting unit. The oil / air pipe lifting unit drives the corresponding first set of oil / air pipes or the second set of oil / air pipes to move up and down, so that the first set of oil / air pipes or the second set of oil / air pipes can pass smoothly during the exchange between the processing area and the loading / unloading area.

[0013] In one embodiment of the present invention, an auxiliary door panel is connected to the side of the first door near the fourth door. The auxiliary door panel is used to isolate iron filings on the side between the first door and the fourth door when they are in a cross-positioned, staggered, lowered and closed state. A third auxiliary door panel is connected to the side of the third door near the second door. The third auxiliary door panel is used to isolate iron filings on the side between the third door and the second door when they are in the crossed and staggered lowered closed state.

[0014] This invention also provides an automatic isolation method for multi-station oil and gas pipelines in a machining center, including a control system. The control system controls two worktables to exchange and isolate pipelines for a single cycle of operation. The steps are as follows: N1, the second set of lifting door units rises and opens, providing a passage for the removal of the first set of oil / gas pipes; N2, the first set of oil / air pipes moves out of the processing area to the loading and unloading area along with the worktable; N3. The first set of lifting door units descends and closes, isolating the processing area; N4. The sliding mechanism moves to the second switching point, ready to dock with another worktable; N5, the third set of lifting door units rises and opens, providing a passage for the second set of oil / gas pipes to move in; N6. The second set of oil / gas pipes moves into the processing area along with another workbench; N7. The fourth set of lifting door units descends and closes, isolating the loading and unloading area; N8, the fourth set of lifting door units rises and opens, providing a passage for the removal of the second set of oil / gas pipes; N9. The second set of oil / air pipes moves out of the processing area and into the loading / unloading area along with the worktable; N10, the third set of lifting door units descends and closes, isolating the processing area; N11, The slide mechanism moves to the first switching point, ready to dock with the first worktable again; N12, the first set of lifting door units rises and opens, providing a passage for the movement of the first set of oil / gas pipes; N13, The first set of oil / gas pipes moves into the processing area along with the worktable; N14. The second set of lifting door units descends and closes, isolating the loading and unloading area.

[0015] As described above, the automatic isolation device and method for multi-station oil and gas pipelines in machining centers of the present invention have the following beneficial effects: This invention achieves orderly layout and automatic following of oil and gas pipelines by setting up a crossbeam body and a lifting door device between the processing area and the loading / unloading area, and using an oil / gas pipeline rotary distributor. The oil / gas pipeline rotary distributor allows the oil / gas pipelines to swing or rotate smoothly with the worktable when it moves, effectively avoiding pipeline entanglement, wear, and pulling, extending pipeline life, and improving equipment reliability. The lifting door device, through the combined action of four sets of doors that can be lifted independently or in coordination, can dynamically form parallel or staggered area isolation and area opening at different stages of worktable exchange. This ensures effective isolation between the processing area and the loading / unloading area when necessary, preventing chips and cutting fluid splashing and ensuring operational safety, while also providing an interference-free channel for the movement of oil / gas pipelines and the exchange of worktables, realizing efficient, safe, and automated dual-worktable exchange operations. Attached Figure Description

[0016] Figure 1 The diagram shown is a top view of the automatic isolation device for multi-station oil and gas pipelines in a machining center disclosed in this invention.

[0017] Figure 2 The image shown is a three-dimensional structural schematic diagram of the automatic isolation device for multi-station oil and gas pipelines in a machining center disclosed in this invention.

[0018] Figure 3 This is a three-dimensional structural schematic diagram from another perspective of the automatic isolation device for multi-station oil and gas pipelines in machining centers disclosed in this invention.

[0019] Figure 4 The image shown is a partial three-dimensional structural schematic diagram of the automatic isolation device for multi-station oil and gas pipelines in a machining center disclosed in this invention.

[0020] Figure 5 Displayed as Figure 4Enlarged view of a local structure.

[0021] Figure 6 Displayed as Figure 4 A schematic diagram of the main structure.

[0022] Figure 7 Displayed as Figure 4 A schematic diagram of the rear view structure.

[0023] Figure 8 Displayed as Figure 4 A top-view structural diagram.

[0024] Figure 9 Displayed as Figure 4 A schematic diagram of its decomposed structure.

[0025] Figure 10 Displayed as Figure 4 Enlarged view of a local structure.

[0026] Figures 11-24 The flowchart shown is a process flow of steps N1-N14 of the automatic isolation method for multi-station oil and gas pipelines in machining centers disclosed in this invention.

[0027] Figure 25 The diagram shown is a structural schematic of the sliding state of the fifth and sixth sliding units in the automatic isolation device for multi-station oil and gas pipelines of the machining center disclosed in Example 5.

[0028] Figure 26 The diagram shown is a structural schematic of the lifting and lowering state of the oil / gas pipeline lifting unit in the multi-station oil and gas pipeline automatic isolation device for machining centers disclosed in Example 5.

[0029] Figure 27 Displayed as Figure 26 A magnified view of the local structure.

[0030] Figure 28 The diagram shown is a structural schematic of the automatic isolation device for multi-station oil and gas pipelines in a machining center, as disclosed in Example 5, in which door No. 3 and auxiliary door No. 3 are raised and door No. 1 and auxiliary door No. 1 are lowered.

[0031] Figure 29 The diagram shown is a structural schematic of the automatic isolation device for multi-station oil and gas pipelines in a machining center, as disclosed in Example 5, in which door No. 1 and auxiliary door No. 1 are raised, and door No. 3 and auxiliary door No. 3 are lowered.

[0032] Component designation explanation Machine base 100; Processing area 10; Loading and unloading area 11; Shifting mechanism 20; Slide mechanism 30; Column 4; Spindle machining system 208; Oil / air inlet pipe 41; Oil / air pipe rotary distributor 42; Distributor rotating shaft 421; Distributor rotating sleeve 422; Distributor mounting base 423; Oil / air outlet pipe 43; First set of oil / air outlet pipes 431; Second set of oil / air outlet pipes 432; Hydraulic / pneumatic clamp 44; Workpiece 45; Lifting door device 46; First set of lifting door unit 461; Door No. 1 4611; First auxiliary door plate 46111; First linear actuator 4612; First connecting plate 4613; Second set of lifting door unit 462; Second door 4621; Second linear actuator 4622; Second connecting plate 4623; Third set of lifting door unit 463; Third door 4631; Third auxiliary door Plate 46311; Third linear actuator 4632; Third connecting plate 4633; Fourth lifting door unit 464; Door No. 4 4641; Fourth linear actuator 4642; Fourth connecting plate 4643; Horizontal beam body 47; Vertical beam body 48; Fifth sliding unit 491; Fifth linear actuator 4911; Fifth L-shaped connecting plate 4912; Fifth guide rail slider 4913; Sixth sliding unit 492; Sixth linear actuator 4921; Sixth L-shaped connecting plate 4922; Sixth guide rail slider 4923; Workbench 50; Oil / gas pipe lifting unit 60; Oil / gas pipe linear actuator 601; Oil / gas pipe connecting plate 602; Oil / gas pipe support 603; Two-way exchange station 70; First exchange point P71; Second exchange point P72; Third exchange point P73; Fourth exchange point P74. Detailed Implementation

[0033] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0034] Please see Figures 1 to 29 It should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and to facilitate understanding. They are not intended to limit the scope of the invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of the invention, should fall within the scope of the disclosed technical content. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of the invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention's implementation.

[0035] Example 1, please refer to Figures 1-3 This embodiment provides an automatic isolation device for multi-station oil and gas pipelines in a machining center, including a machine base 100. The machine base 100 has a processing area 10 and a loading / unloading area 11, as well as two worktables 50 that move and exchange between the processing area 10 and the loading / unloading area 11. The processing area 10 is equipped with a shifting mechanism 20, and the shifting mechanism 20 has a sliding mechanism 30. The loading / unloading area 11 has a bidirectional exchange station 70. A column 4 is provided at the front end of the shifting mechanism 20. The front of the column 4 is equipped with a spindle machining system 208, and the side of the column 4 is equipped with a tool magazine system; the machining area 10 is provided with a first switching point P71 and a second switching point P72, and the loading and unloading area 11 is provided with a third switching point P73 and a fourth switching point P74. The shifting mechanism 20, the sliding mechanism 30, and the bidirectional exchange station 70 cooperate to drive the two worktables 50 to move and switch positions between the first switching point P71, the second switching point P72, the third switching point P73, and the fourth switching point P74.

[0036] Please see Figures 2-10 The machine base 100 is equipped with vertical beam bodies 48 on both the front and rear sides, and a horizontal beam body 47 is connected between the vertical beam bodies 48 on both sides. A lifting door device 46 is installed on the side end of the horizontal beam body 47. Two oil / air pipeline rotary distributors 42 are installed at the lower end of the horizontal beam body 47. The input end of the oil / air pipeline rotary distributor 42 is connected to an oil / air inlet pipe 41, and the output end is connected to an oil / air outlet pipe 43. A set of hydraulic / pneumatic clamps 44 is installed on each of the two worktables 50. The workpiece 45 is placed on the hydraulic / pneumatic clamp 44, and the output end of each oil / air pipe 43 is connected to one hydraulic / pneumatic clamp 44.

[0037] The two sets of hydraulic / pneumatic clamps 44 include: a first set of hydraulic / pneumatic clamps 44 and a second set of hydraulic / pneumatic clamps 44. The first set of hydraulic / pneumatic clamps 44 and the second set of hydraulic / pneumatic clamps 44 are respectively mounted on the two worktables 50 for fixing, locking and releasing the workpieces 45.

[0038] The first set of hydraulic / pneumatic clamps 44 controls the fixing, locking, and releasing of the workpiece 45. The first set of hydraulic / pneumatic clamps 44 includes: a fluid power output and control system, an oil / air inlet pipe 41, an oil / air pipeline rotary distributor 42, a first set of oil / air outlet pipes 431, and a clamp body, which are connected in sequence. The two ends of the first set of oil / air outlet pipes 431 are connected between the oil / air pipeline rotary distributor 42 and the clamp body on the first set of hydraulic / pneumatic clamps 44. The first set of oil / air outlet pipes 431 includes two or more pipes for fluid transmission between the oil / air pipeline rotary distributor 42 and the clamp body on the first set of hydraulic / pneumatic clamps 44, and for controlling the fixing, locking, and releasing of the workpiece 45.

[0039] The second set of hydraulic / pneumatic clamps 44 controls the fixing, locking, and releasing of the workpiece 45. The second set of hydraulic / pneumatic clamps 44 includes: a fluid power output and control system, an oil / air inlet pipe 41, an oil / air pipeline rotary distributor 42, a second set of oil / air outlet pipes 432, and a clamp body, which are connected in sequence. The two ends of the second set of oil / air outlet pipes 432 are connected between the oil / air pipeline rotary distributor 42 and the clamp body on the second set of hydraulic / pneumatic clamps 44. The second set of oil / air outlet pipes 432 includes two or more pipes for fluid transmission between the oil / air pipeline rotary distributor 42 and the clamp body on the second set of hydraulic / pneumatic clamps 44, and for controlling the fixing, locking, and releasing of the workpiece 45.

[0040] The two ends of the oil / gas inlet pipe 41 are respectively connected between the fluid power output and control system and the oil / gas pipeline rotary distributor 42. The oil / gas inlet pipe 41 includes two or more pipes for fluid transmission between the fluid power output and control system and the oil / gas pipeline rotary distributor 42.

[0041] The oil / gas pipeline rotary distributor 42 includes a distributor rotating shaft 421, a distributor rotating sleeve 422, and a distributor mounting base 423. The distributor mounting base 423 is installed below the crossbeam body 47, and the distributor rotating sleeve 422 is mounted on the distributor mounting base 423. The distributor rotating shaft 421 is rotatably engaged with the interior of the distributor rotating sleeve 422. Specifically, the present invention has multiple bearings installed between the outer circle and the inner hole at both ends of the distributor rotating shaft 421 and the distributor rotating sleeve 422 to realize the rotational engagement between the distributor rotating shaft 421 and the distributor rotating sleeve 422. The interior of the distributor rotating shaft 421 is provided with multiple sets of oil / gas passages, and both ends of the oil / gas passages are provided with oil / gas pipe interfaces. The inlet oil / gas pipe 41 and the outlet oil / gas pipe 43 are respectively connected to the oil / gas pipe interfaces at both ends of the oil / gas passages.

[0042] The two oil / gas pipeline rotary distributors 42 are respectively located between the first switching point P71 and the fourth switching point P74, and between the second switching point P72 and the third switching point P73; the oil / gas pipeline outlet pipe 43 connected to the oil / gas pipeline rotary distributor 42 located between the first switching point P71 and the fourth switching point P74 is the first group of oil / gas pipeline outlet pipes 431, and the output end of the first group of oil / gas pipeline outlet pipes 431 is connected to a hydraulic / pneumatic clamp 44; the oil / gas pipeline outlet pipe 43 connected to the oil / gas pipeline rotary distributor 42 located between the second switching point P72 and the third switching point P73 is the second group of oil / gas pipeline outlet pipes 432, and the output end of the second group of oil / gas pipeline outlet pipes 432 is connected to another hydraulic / pneumatic clamp 44.

[0043] More specifically, the two sets of vertical beam bodies 48 are respectively located at both ends of the plane where the processing area 10 and the loading / unloading area 11 meet; the two ends of the horizontal beam body 47 are connected through the two sets of vertical beam bodies 48, and its two sides are parallel to each other on both sides of the plane where the processing area 10 and the loading / unloading area 11 meet, with one side of the horizontal beam body 47 within the processing area 10 and the other side within the loading / unloading area 11; each side of the horizontal beam body 47 is provided with two sets of slider units, for a total of four sets of slider units, each set of slider units including multiple sliders; two sets of oil / gas pipeline rotary distributors 42 are symmetrically installed at two locations below the horizontal beam body 47 and between its two ends and the center, with both sets of oil / gas pipeline rotary distributors 42 located between the two sides of the horizontal beam body 47; the two sets of oil / gas pipeline rotary distributors 42 are respectively Two sets of oil / gas pipeline rotary distributors 42 are symmetrically installed at two locations below the main body of the crossbeam 47, between the two ends and the center of the two ends. Each set of oil / gas pipeline rotary distributors 42 is located between the two ends of the crossbeam body 47. The two ends of one set of oil / gas pipeline rotary distributors 42 are respectively connected between the oil / gas inlet pipe 41 and the first set of oil / gas outlet pipes 431 on the first set of hydraulic / pneumatic clamps, for fluid transmission and distribution between the oil / gas inlet pipe 41 and the first set of oil / gas outlet pipes 431 on the first set of hydraulic / pneumatic clamps. The two ends of the other set of oil / gas pipeline rotary distributors 42 are respectively connected between the oil / gas inlet pipe 41 and the second set of oil / gas outlet pipes 432 on the second set of hydraulic / pneumatic clamps, for fluid transmission and distribution between the oil / gas inlet pipe 41 and the second set of oil / gas outlet pipes 432 on the second set of hydraulic / pneumatic clamps.

[0044] The two ends of the distributor rotating shaft 421 on one set of oil / gas pipeline rotary distributors 42 are respectively connected between the oil / gas inlet pipe 41 and the first set of oil / gas outlet pipes 431 on the first set of hydraulic / pneumatic fixtures, for fluid transmission and distribution between the oil / gas inlet pipe 41 and the first set of oil / gas outlet pipes 431 on the first set of hydraulic / pneumatic fixtures; the two ends of the distributor rotating shaft 421 on another set of oil / gas pipeline rotary distributors 42 are respectively connected between the oil / gas inlet pipe 41 and the second set of oil / gas outlet pipes 432 on the second set of hydraulic / pneumatic fixtures, for fluid transmission and distribution between the oil / gas inlet pipe 41 and the second set of oil / gas outlet pipes 432 on the second set of hydraulic / pneumatic fixtures; the two worktables 50 respectively drag the connected first set of oil / gas outlet pipes 431 and second set of oil / gas outlet pipes 432 to freely switch between the processing area 10 and the loading / unloading area 11.

[0045] In specific implementation, the workbench 50 moves back and forth between the processing area 10 and the loading / unloading area 11, driving the first set of hydraulic / pneumatic clamps 44 mounted on the workbench 50 to move. The first set of hydraulic / pneumatic clamps 44 drives one end of the first set of oil / air pipes 431 connected to it to move. The movement of one end of the first set of oil / air pipes 431 drives the distributor rotating shaft 421, which is located between the two sides below the crossbeam body 47 and connected to the other end of the first set of oil / air pipes 431, to rotate between the two sides below the crossbeam body 47 in conjunction with the distributor rotating sleeve 422. This forms a free cutting motion between the processing area 10 and the loading / unloading area 11, where the workbench 50 drags the first set of oil / air pipes 431. The process involves a second hydraulic / pneumatic clamp 44 mounted on another workbench 50 moving between the processing area 10 and the loading / unloading area 11. This movement of the second hydraulic / pneumatic clamp 44 moves one end of the connected second set of oil / air pipes 432. The movement of one end of the second set of oil / air pipes 432 causes the distributor rotating shaft 421, located between the two sides below the main body of the crossbeam 47 and connected to the other end of the second set of oil / air pipes 432, to rotate between the two sides below the main body of the crossbeam 47 in conjunction with the distributor rotating sleeve 422. This allows the other workbench 50 to freely switch between the processing area 10 and the loading / unloading area 11, dragging the connected second set of oil / air pipes 432.

[0046] The lifting door device 46 includes a first set of lifting door units 461, a second set of lifting door units 462, a third set of lifting door units 463, and a fourth set of lifting door units 464. The first set of lifting door units 461 and the third set of lifting door units 463 are arranged side by side on the side of the crossbeam body 47 near the processing area 10. The first set of lifting door units 461 is height-adjustable corresponding to the first switching point P71, and the third set of lifting door units 463 is height-adjustable corresponding to the second switching point P72. The second set of lifting door units 462 and the fourth set of lifting door units 464 are arranged side by side on the crossbeam body 47 near the upper and lower... On one side of the material area 11, the second set of lifting door units 462 is vertically and vertically configured corresponding to the fourth switching point P74, and the fourth set of lifting door units 464 is vertically and vertically configured corresponding to the third switching point P73; the first set of oil / gas pipes 431 is rotatably fitted between the first set of lifting door units 461 and the second set of lifting door units 462 after being connected to the corresponding oil / gas pipe rotary distributor 42; the second set of oil / gas pipes 432 is rotatably fitted between the third set of lifting door units 463 and the fourth set of lifting door units 464 after being connected to the corresponding oil / gas pipe rotary distributor 42.

[0047] The first set of lifting door units 461 includes a first door 4611, a first linear actuator 4612, a first connecting plate 4613, and a first set of guide rail sliders. The first linear actuator 4612 is vertically mounted on one side of the vertical beam body 48 near the processing area 10. The first linear actuator 4612 has a movable end. The two ends of the first connecting plate 4613 are respectively connected to the movable end of the first linear actuator 4612 and the top of the first door 4611. The first set of guide rail sliders is mounted between the side end of the first door 4611 and the side end of the crossbeam body 47 corresponding to the first switching point P71. The movement of the movable end of the first linear actuator 4612 drives the first door 4611 connected to it to move up and down at the position of the crossbeam body 47 near the first switching point P71.

[0048] The second set of lifting door units 462 includes a second door 4621, a second linear actuator 4622, a second connecting plate 4623, and a second set of guide rail sliders. The second linear actuator 4622 is vertically mounted on one side of the vertical beam body 48 near the loading / unloading area 11. The second linear actuator 4622 has a movable end. The two ends of the second connecting plate 4623 are respectively connected to the movable end of the second linear actuator 4622 and the upper part of the second door 4621. The second set of guide rail sliders is mounted between the side end of the second door 4621 and the side end of the crossbeam body 47 corresponding to the fourth switching point P74. The movement of the movable end of the second linear actuator 4622 drives the second door 4621 connected to it to move up and down at the position of the crossbeam body 47 near the fourth switching point P74.

[0049] The third set of lifting door units 463 includes a third door 4631, a third linear actuator 4632, a third connecting plate 4633, and a third set of guide rail sliders. The third linear actuator 4632 is vertically mounted on the other side of the vertical beam body 48 near the processing area 10. The third linear actuator 4632 has a movable end. The two ends of the third connecting plate 4633 are respectively connected to the movable end of the third linear actuator 4632 and the top of the third door 4631. The third set of guide rail sliders is mounted between the side end of the third door 4631 and the side end of the crossbeam body 47 corresponding to the second switching point P72. The movement of the movable end of the third linear actuator 4632 drives the third door 4631 connected to it to move up and down at the position of the crossbeam body 47 near the second switching point P72.

[0050] The fourth set of lifting door units 464 includes a fourth door 4641, a fourth linear actuator 4642, a fourth connecting plate 4643, and a fourth set of guide rail sliders. The fourth linear actuator 4642 is vertically mounted on the other side of the vertical beam body 48 near the loading / unloading area 11. The fourth linear actuator 4642 has a movable end. The two ends of the fourth connecting plate 4643 are respectively connected to the movable end of the fourth linear actuator 4642 and the top of the fourth door 4641. The fourth set of guide rail sliders is mounted between the side end of the fourth door 4641 and the side end of the crossbeam body 47 corresponding to the third switching point P73. The movement of the movable end of the fourth linear actuator 4642 drives the fourth door 4641 connected to it to move up and down at the position of the crossbeam body 47 near the third switching point P73.

[0051] Door 1 (4611), Door 3 (4631), Door 2 (4621), and Door 4 (4641) form two rows of four lifting doors on both sides of the main beam 47. Door 1 (4611), Door 4 (4641), Door 2 (4621), and Door 3 (4631) can lift independently on both sides of the main beam 47 to isolate and open the processing area 10 and the loading / unloading area 11 in two parallel and staggered ways on both sides of the main beam 47.

[0052] The lifting width of doors 1 (4611), 3 (4631), 2 (4621), and 4 (4641) is greater than the moving width of the two worktables 50 that exchange between the processing area 10 and the loading / unloading area 11; the sum of the widths of doors 1 (4611) and 3 (4631) extends through the length of the main beam 47 near the processing area 10; the sum of the widths of doors 2 (4621) and 4641 extends through the length of the main beam 47 near the loading / unloading area 11; the lifting widths of doors 1 (4611), 3 (4631), 2 (4621), and 4641 are all greater than the moving width of the worktables 50 that exchange between the processing area 10 and the loading / unloading area 11. 21. The sum of the widths of any two doors in the four doors (4641, No. 4) can extend through the length of any one side of the main beam 47. The four doors (4611, No. 3, No. 2, No. 4621, and No. 4, No. 4) form two rows of four lifting doors on both sides of the main beam 47. Any one of the two rows of four lifting doors can be raised or lowered independently or synchronously with other lifting doors. Through different combinations of two lifting doors in the two rows of four lifting doors, various methods of area isolation and area opening are formed between the processing area 10 and the loading / unloading area 11 on both sides of the main beam 47.

[0053] This invention achieves orderly layout and automatic following of oil / gas pipelines by setting a crossbeam body 47 and a lifting door device 46 between the processing area 10 and the loading / unloading area 11, and using an oil / gas pipeline rotary distributor 42. The oil / gas pipeline rotary distributor 42 allows the oil / gas pipelines 43 to swing or rotate smoothly with the worktable 50 when it moves, effectively avoiding pipeline entanglement, wear and tear, extending pipeline life and improving equipment reliability. The lifting door device 46, through the combined action of four sets of doors that can be lifted independently or in coordination, can dynamically form parallel or staggered area isolation and area opening at different stages of worktable 50 exchange. This ensures that the processing area 10 and the loading / unloading area 11 are effectively isolated when necessary, preventing chips and cutting fluid splashing and ensuring operational safety. It also provides an interference-free channel for the movement of oil / gas pipelines 43 in and out of the worktable 50, realizing efficient, safe and automated dual-worktable exchange operations.

[0054] Example 2, based on Example 1, in this example, the No. 1 door 4611, No. 3 door 4631, No. 2 door 4621, and No. 4 door 4641 on both sides of the main body of the crossbeam 47 can respectively isolate and open the processing area 10 and the loading and unloading area 11 on both sides of the main body of the crossbeam 47 by raising and lowering their respective doors.

[0055] The processing area 10 and the loading / unloading area 11 are separated and open on the side of the crossbeam body 47 near the processing area 10. The separation and opening of the processing area 10 and the loading / unloading area 11 on the same side of the crossbeam body 47 near the processing area 10 are achieved through the lifting and lowering movement of two doors, door 4611 and door 4631, located on the same side of the crossbeam body 47 near the processing area 10. Specifically, the movable end of the first linear actuator 4612 on the first set of lifting door units 461 moves, driving the corresponding guide rail unit and slider unit of door 4611 connected to it to move on the side of the crossbeam body 47 near the processing area 10, near half of the set of vertical beam bodies 48. While the main body of the crossbeam 47 moves up and down, the movable end of the third linear actuator 4632, which is located on the third set of lifting door units 463, moves to drive the corresponding guide rail unit and slider unit of the third door 4631 connected to it to move up and down synchronously on the same side of the main body of the crossbeam 47 near the processing area 10 and on the other half of the length of the main body of the crossbeam 47 near the other set of vertical beams 48. At this time, the sum of the widths of the first door 4611 and the third door 4631 extends through the same side of the main body of the crossbeam 47 near the processing area 10, thereby completing the area isolation and area opening between the processing area 10 and the loading and unloading area 11 on the same side of the main body of the crossbeam 47 near the processing area 10.

[0056] The processing area 10 and the loading / unloading area 11 are separated and opened on the other side of the crossbeam body 47 near the loading / unloading area 11. This separation and opening is achieved by the lifting and lowering of two doors, No. 2 door 4621 and No. 4 door 4641, located on the same side of the crossbeam body 47 near the loading / unloading area 11. Specifically, the moving end of the second linear actuator 4622 on the second set of lifting door units 462 drives the corresponding guide rail unit and slider unit of the No. 2 door 4621 connected to it to move on the side of the crossbeam body 47 near the loading / unloading area 11, near half of the set of vertical beam bodies 48. While the main body of the crossbeam 47 moves up and down, the movable end of the fourth linear actuator 4642, which is located on the fourth set of lifting door units 464, moves to drive the corresponding guide rail unit and slider unit of the fourth door 4641 connected to it to move up and down synchronously at the position of the main body of the crossbeam 47 near the loading and unloading area 11 and near the other half of the length of the main body of the vertical beam 48. At this time, the sum of the widths of the second door 4621 and the fourth door 4641 extends through the same side of the main body of the crossbeam 47 near the loading and unloading area 11, thereby completing the area isolation and area opening of the processing area 10 and the loading and unloading area 11 on the same side of the main body of the crossbeam 47 near the loading and unloading area 11.

[0057] Example 3, based on Example 1, in this example, the four doors 4611, 4631, 4621, and 4641 form two rows of four lifting doors on both sides of the main beam 47. The sum of the widths of any two doors can extend through the length of any side of the main beam 47. The lifting and lowering of doors 4611, 4641, 4621, and 4641 on both sides of the main beam 47 at their intersections allows for two parallel and staggered methods of area isolation and opening between the processing area 10 and the loading / unloading area 11 on both sides of the main beam 47 at their intersections.

[0058] On both sides of the main beam 47, the processing area 10 and the loading / unloading area 11 are separated and opened in the first parallel and staggered manner. By raising and lowering the No. 1 door 4611 and the No. 4 door 4641 located at the intersection on both sides of the main body of the crossbeam 47, a first type of parallel and staggered area isolation and area opening is formed between the processing area 10 and the loading / unloading area 11 on both sides of the main body of the crossbeam 47. Specifically, the moving end of the first linear actuator 4612 on the first set of lifting door units 461 moves to drive the No. 1 door 4611 connected to it to perform a corresponding guide rail unit and slider unit to move up and down on the side of the main body of the crossbeam 47 near the processing area 10, near half the length of the main body of the crossbeam 47 of the first set of vertical beams 48. At the same time, the fourth linear actuator 4612 on the fourth set of lifting door units 464 moves up and down. The moving end of the actuator 4642 drives the fourth door 4641 connected to it to move synchronously with the corresponding guide rail unit and slider unit at the position on the other side of the crossbeam body 47 near the loading and unloading area 11 and near the other half of the length of the crossbeam body 47 near the other set of vertical beam bodies 48. At this time, the first door 4611 and the fourth door 4641 pass through the two sides of the crossbeam body 47 in parallel and staggered manner. The sum of the widths of the two doors, the first door 4611 and the fourth door 4641, can pass through either side of the crossbeam body 47, thereby completing the first type of parallel and staggered area isolation and area opening of the processing area 10 and the loading and unloading area 11 on both sides of the crossbeam body 47 at the intersection.

[0059] On both sides of the main beam 47, the processing area 10 and the loading / unloading area 11 are separated and opened in a second parallel and staggered manner. Through the lifting and lowering movement of the two doors, No. 2 door 4621 and No. 3 door 4631, located at the intersection on both sides of the main beam 47, the processing area 10 and the loading / unloading area 11 are separated and opened in a second parallel and staggered manner on both sides of the main beam 47. Specifically, the movable end of the second linear actuator 4622 on the second set of lifting door units 462 moves, driving the No. 2 door 4621 connected to it to cooperate with the corresponding guide rail unit and slider unit to lift and lower the main beam 47 on the side of the main beam 47 near the loading / unloading area 11, at a position close to half the length of the main beam 47 and near a set of vertical beams 48. Simultaneously, the movable end of the third linear actuator 4632, located on the third set of lifting door units 463, moves, driving the corresponding guide rail unit and slider unit of the third door 4631 connected to it to perform synchronous lifting and lowering movements at a position on the other side of the crossbeam body 47 near the processing area 10 and near the other half of the length of the crossbeam body 47 near the other set of vertical beam bodies 48. At this time, the second door 4621 and the third door 4631 pass through the two sides of the crossbeam body 47 in parallel and staggered manner. The sum of the widths of the two doors, the second door 4621 and the third door 4631, can pass through either side of the crossbeam body 47, thereby completing the second parallel and staggered method of area isolation and area opening between the processing area 10 and the loading and unloading area 11 on both sides of the crossbeam body 47 at the intersection.

[0060] Example 4, please refer to Figures 2-10 , Figures 11-24 This embodiment provides an automatic isolation method for multi-station oil and gas pipelines in a machining center, including a control system. The control system controls two worktables to exchange and isolate pipelines for a single cycle of operation. The steps are as follows: Please see Figures 1-11N1, the second set of lifting door units 462 rises and opens, providing a passage for the removal of the first set of oil / gas pipes 431; specifically, the four doors, namely door 1 4611, door 3 4631, door 2 4621, and door 4641, form two rows of four lifting doors on both sides of the main beam 47; the sum of the widths of any two doors among the four doors can extend through the length of any side of the main beam 47; the lifting and lowering of door 1 4611, door 4641, door 2 4621, and door 4631 at their intersections on both sides of the main beam 47 can achieve parallel and staggered area isolation and area opening between the processing area 10 and the loading / unloading area 11 at their intersections on both sides of the main beam 47; The two worktables 50 respectively drag the first set of oil / air pipes 431 and the second set of oil / air pipes 432 connected to each other to freely switch between the processing area 10 and the loading / unloading area 11; The workbench 50 moves back and forth between the processing area 10 and the loading / unloading area 11, driving the first set of hydraulic / pneumatic clamps 44 mounted on the workbench 50 to move. The first set of hydraulic / pneumatic clamps 44 drives one end of the first set of oil / air pipes 431 connected to it to move. The movement of one end of the first set of oil / air pipes 431 drives the distributor rotating shaft 421, which is located between the two sides below the crossbeam body 47 and connected to the other end of the first set of oil / air pipes 431, to rotate between the two sides below the crossbeam body 47 in conjunction with the distributor rotating sleeve 422. This forms a situation where the workbench 50 drives the first set of oil / air pipes 431 connected to it to freely switch between the processing area 10 and the loading / unloading area 11. The second set of hydraulic / pneumatic clamps 44 mounted on the other workbench 50 moves between the processing area 10 and the loading / unloading area 11, and moves one end of the second set of oil / air pipes 432 connected to it. The movement of one end of the second set of oil / air pipes 432 causes the distributor rotating shaft 421, which is located between the two sides below the main body of the crossbeam 47 and connected to the other end of the second set of oil / air pipes 432, to rotate between the two sides below the main body of the crossbeam 47 in conjunction with the distributor rotating sleeve 422. This forms a situation where the other workbench 50 drags the connected second set of oil / air pipes 432 to freely switch between the processing area 10 and the loading / unloading area 11. Door 1 4611, Door 4641, Door 2 4621, and Door 3 4631 are located on both sides of the crossbeam body 47 between the processing area 10 and the loading / unloading area 11, at their intersection. The first set of hydraulic / pneumatic clamps 44 locks and fixes the workpiece 45 on a workbench 50 within the processing area 10. The workpiece 45 is processed by the spindle processing unit. During processing, Door 1 4611 and Door 4641 are in an elevated state, and Door 4621... 621. Door No. 3 4631 is in a descending state. After processing is completed, Door No. 2 4621 moves through the movable end of the second linear actuator 4622 on the second set of lifting door units 462, causing Door No. 2 4621 connected to it to cooperate with the corresponding guide rail unit and slider unit to rise at the position of the crossbeam body 47 near the side of the loading and unloading area 11 and near half the length of the crossbeam body 47 of the first set of vertical beam bodies 48, thus completing the rising and opening of the second set of lifting door units 462.

[0061] Please see Figure 12 N2, the first set of oil / air pipes 431 are moved out of the processing area 10 to the loading / unloading area 11 along with the workbench 50; specifically, after the second set of lifting door units 462 rises and opens, it is in the same position as the second door 4621 and the first door 4611 on the other side of the crossbeam body 47, and is in the rising state. One of the workbench 50 drags the first set of oil / air pipes 431 connected to it below the first door 4611 and the second door 4621, and moves the first set of oil / air pipes 431 connected to it from the processing area 10 to the loading / unloading area 11, thus completing the removal of the first set of oil / air pipes 431.

[0062] Please see Figure 13 N3, the first set of lifting door units 461 descends and closes, isolating the processing area 10; specifically, after the first set of oil / air pipes 431 moves out to the loading and unloading area 11, the first door 4611 moves through the movable end of the first linear actuator 4612 provided on the first set of lifting door units 461, driving the first door 4611 connected to it to cooperate with the corresponding guide rail unit and slider unit to descend at the position of the crossbeam body 47 near the processing area 10, near half the length of the crossbeam body 47 of the first set of vertical beam bodies 48, completing the descent and closure of the first set of lifting door units 461.

[0063] Please see Figure 14N4, the sliding mechanism 30 moves to the second switching point P72, ready to dock with another workbench 50; specifically, after the first set of lifting door units 461 descends and closes, the sliding mechanism 30 moves from the first switching point P71 to the second switching point P72 through the movement of the connected shifting mechanism 20, thus completing the movement of the sliding mechanism 30 to the second switching point P72.

[0064] Please see Figure 15 N5, the third set of lifting door units 463 rises and opens, providing a channel for the movement of the second set of oil / gas pipes 432; specifically, after the sliding seat mechanism 30 moves to the second switching point P72, the third door 4631 moves through the movable end of the third linear actuator 4632 provided on the third set of lifting door units 463, driving the third door 4631 connected to it to cooperate with the corresponding guide rail unit and slider unit to rise at the position of the other side of the crossbeam body 47 near the processing area 10, near the other half of the length of the crossbeam body 47 near the other set of vertical beam bodies 48, thus completing the rising and opening of the third set of lifting door units 463.

[0065] Please see Figure 16 N6, the second set of oil / air pipes 432 move into the processing area 10 along with another workbench 50; specifically, after the third set of lifting door units 463 rises and opens, it is in the same position as the third door 4631 and the fourth door 4641 on the other side of the crossbeam body 47, and is in the rising state. Another workbench 50 drags the connected second set of oil / air pipes 432 below the third door 4631 and the fourth door 4641, and moves the connected second set of oil / air pipes 432 from the loading and unloading area 11 into the processing area 10, thus completing the movement of the second set of oil / air pipes 432.

[0066] Please see Figure 17N7, the fourth group of lifting door units 464 descends and closes, isolating the loading and unloading area 11; specifically, after the second group of oil / air pipes 432 moves in, the fourth door 4641 moves through the movable end of the fourth linear actuator 4642 on the fourth group of lifting door units 464, driving the fourth door 4641 connected to it to cooperate with the corresponding guide rail unit and slider unit to descend on the other side of the crossbeam body 47 near the loading and unloading area 11, near the other half of the length of the crossbeam body 47 near the other group of vertical beam bodies 48, thus completing the descent and closure of the fourth group of lifting door units 464; at this time, by the descent of the first door 4611 and the fourth door 4641, and the rise of the second door 4621 and the third door 4631, located on both sides of the crossbeam body 47 at the intersection, the second group of oil / air pipes 432 and the first group of oil / air pipes 431 are isolated in the processing area 10 and the loading and unloading area 11, respectively.

[0067] Please see Figure 18 N8, the fourth set of lifting door units 464 rises and opens, providing a channel for the removal of the second set of oil / air pipes 432: Specifically, after the fourth set of lifting door units 464 descends and closes, the spindle processing unit processes the workpiece 45, which is locked and fixed by the second set of hydraulic / pneumatic clamps 44 on another worktable 50. After processing is completed, the fourth door 4641 moves through the movable end of the fourth linear actuator 4642 provided on the fourth set of lifting door units 464, driving the fourth door 4641 connected to it to cooperate with the corresponding guide rail unit and slider unit to rise on the other side of the crossbeam body 47 near the loading and unloading area 11, near the other half of the length of the crossbeam body 47 near the other set of vertical beam bodies 48, thus completing the rising and opening of the fourth set of lifting door units 464.

[0068] Please see Figure 19 N9 and the second set of oil / air pipes 432 are moved out of the processing area 10 to the loading / unloading area 11 along with the workbench 50; specifically, after the fourth set of lifting door units 464 rises and opens, it is in the same position as the fourth door 4641 and the third door 4631 on the other side of the crossbeam body 47, and is in the rising state. Another workbench 50 drags the connected second set of oil / air pipes 432 below the third door 4631 and the fourth door 4641, and moves the connected second set of oil / air pipes 432 from the processing area 10 to the loading / unloading area 11, thus completing the removal of the second set of oil / air pipes 432.

[0069] Please see Figure 20N10, the third set of lifting door units 463 descends and closes, isolating the processing area 10; specifically, after the second set of oil / gas pipes 432 is removed, the third door 4631 moves through the movable end of the third linear actuator 4632 provided on the third set of lifting door units 463, driving the third door 4631 connected to it to cooperate with the corresponding guide rail unit and slider unit to descend at the position of the crossbeam body 47 on the other side of the processing area 10, close to the other half of the length of the crossbeam body 47 of the other set of vertical beam bodies 48, thus completing the descent and closure of the third set of lifting door units 463.

[0070] Please see Figure 21 N11, the sliding mechanism 30 moves to the first switching point P71, ready to dock with the first workbench 50 again; specifically, after the third set of lifting door units 463 descends and closes, the sliding mechanism 30 moves from the second switching point P72 to the first switching point P71 through the movement of the connected shifting mechanism 20, thus completing the movement of the sliding mechanism 30 to the first switching point P71.

[0071] Please see Figure 22 N12, the first set of lifting door units 461 rises and opens, providing a channel for the movement of the first set of oil / gas pipes 431; specifically, after the sliding seat mechanism 30 moves to the first switching point P71, the first door 4611 moves through the movable end of the first linear actuator 4612 provided on the first set of lifting door units 461, driving the first door 4611 connected to it to cooperate with the corresponding guide rail unit and slider unit to rise at the position of the crossbeam body 47 near the processing area 10, near half the length of the crossbeam body 47 of the first set of vertical beam bodies 48, thus completing the rising and opening of the first set of lifting door units 461; Please see Figure 23 N13, the first set of oil / air pipes 431 moves into the processing area 10 along with the workbench 50; specifically, after the first set of lifting door units 461 rises and opens, it is in the same position as the first door 4611 and the second door 4621 on the other side of the crossbeam body 47, and is in the rising state. One of the workbench 50 drags the connected first set of oil / air pipes 431 below the first door 4611 and the second door 4621, and moves the connected first set of oil / air pipes 431 from the loading and unloading area 11 into the processing area 10, thus completing the movement of the first set of oil / air pipes 431.

[0072] Please see Figure 24N14, the second set of lifting door units 462 descends and closes, isolating the loading and unloading area 11; specifically, after the first set of oil / air pipes 431 moves in, the second door 4621 moves through the movable end of the second linear actuator 4622 provided on the second set of lifting door units 462, driving the second door 4621 connected to it to cooperate with the corresponding guide rail unit and slider unit to descend at the position of the crossbeam body 47 near the loading and unloading area 11, near half the length of the crossbeam body 47 of the first set of vertical beam bodies 48, thus completing the descent and closure of the second set of lifting door units 462; At this time, by raising the No. 1 door 4611 and the No. 4 door 4641 located on both sides of the main body of the crossbeam 47 at the intersection, and lowering the No. 2 door 4621 and the No. 3 door 4631, the first set of oil / air pipes 431 and the second set of oil / air pipes 432 are isolated in the processing area 10 and the loading / unloading area 11, respectively. After the second set of lifting door units 462 lowers and closes, the spindle processing unit processes the workpiece 45, which is locked and fixed by the first set of hydraulic / pneumatic clamps 44 on a worktable 50. After processing is completed, N1 is executed, and the cycle repeats.

[0073] Example 5, please refer to Figures 25-29 The device further includes a fifth set of sliding units 491 and a sixth set of sliding units 492. The fifth set of sliding units 491 is installed on the crossbeam body 47 in the area near the first set of oil / gas pipes 431; the sixth set of sliding units 492 is installed on the crossbeam body 47 in the area near the second set of oil / gas pipes 432. The fifth set of sliding units 491 includes a fifth linear actuator 4911, a fifth L-shaped connecting plate 4912, and a fifth set of guide rail sliders 4913. The fifth linear actuator 4911 and the fifth set of guide rail sliders 4913 are both mounted on the crossbeam body 47. The fifth L-shaped connecting plate 4912 is connected to the movable end of the fifth linear actuator 4911. The oil / gas pipeline rotary distributor 42, which is connected to the first set of oil / gas pipelines 431, is mounted on the fifth set of guide rail sliders 4913 via the distributor mounting base 423 and is connected to the fifth L-shaped connecting plate 4912. The oil / gas pipeline rotary distributor 42 is pushed by the fifth set of sliding units 491 to reciprocate between the first set of lifting door units 461 and the second set of lifting door units 462, for the repositioning of the first set of oil / gas pipelines 431. The sixth sliding unit 492 includes a sixth linear actuator 4921, a sixth L-shaped connecting plate 4922, and a sixth guide rail slider 4923. The sixth linear actuator 4921 and the sixth guide rail slider 4923 are both mounted on the crossbeam body 47. The sixth L-shaped connecting plate 4922 is connected to the movable end of the sixth linear actuator 4921. The oil / gas pipeline rotary distributor 42, which is connected to the second set of oil / gas pipelines 432, is mounted on the sixth set of guide rail sliders 4923 via the distributor mounting base 423 and is connected to the sixth L-shaped connecting plate 4922. The oil / gas pipeline rotary distributor 42 is pushed by the sixth set of sliding units 492 to reciprocate between the third set of lifting door units 463 and the fourth set of lifting door units 464, for the displacement of the second set of oil / gas pipelines 432.

[0074] It should be noted that, in this embodiment, when the fifth group of sliding units 491 and the sixth group of sliding units 492 are provided, one of the oil / gas pipeline rotary distributors 42 is mounted on the slider of the fifth group of guide rail sliders 4913 of the fifth group of sliding units 491 via the distributor mounting base 423 and connected to the fifth L-shaped connecting plate 4912; the other oil / gas pipeline rotary distributor 42 is mounted on the slider of the sixth group of guide rail sliders 4923 of the sixth group of sliding units 492 via the distributor mounting base 423 and connected to the sixth L-shaped connecting plate 4922. When the fifth group of sliding units 491 and the sixth group of sliding units 492 are not provided, the two oil / gas pipeline rotary distributors 42 are respectively mounted below the crossbeam body 47 via their respective distributor mounting bases 423.

[0075] Each of the two worktables 50 near the upper end of 11 is provided with an oil / gas pipe lifting unit 60. The oil / gas pipe lifting unit 60 includes an oil / gas pipe linear actuator 601, an oil / gas pipe connecting plate 602, and an oil / gas pipe support 603. The oil / gas pipe support 603 is mounted on the upper end of the worktable 50, the oil / gas pipe linear actuator 601 is mounted on the oil / gas pipe support 603, and the oil / gas pipe connecting plate 602 is mounted on the movable end of the oil / gas pipe linear actuator 601. The first set of oil / gas pipes 431 is connected to the oil / gas pipe connecting plate 602 of one of the oil / gas pipe lifting units 60, and the second set of oil / gas pipes 432 is connected to the oil / gas pipe connecting plate 602 of the other oil / gas pipe lifting unit 60. The control system drives the corresponding first set of oil / air pipes 431 or the second set of oil / air pipes 432 to move up and down via the oil / air pipe lifting unit 60, so that the first set of oil / air pipes 431 or the second set of oil / air pipes 432 can pass smoothly during the exchange between the processing area 10 and the loading / unloading area 11 of the worktable 50; more specifically, the first set of oil / air pipes 431 or the second set of oil / air pipes 432 will not get tangled in the workpiece or the worktable 50 during the raising and lowering process.

[0076] A first auxiliary door panel 46111 is connected to the side of door 4641 near door 4641. The first auxiliary door panel 46111 is used to isolate iron filings on the side between door 4611 and door 4641 when they are in the cross-positioned and staggered closed state. A third auxiliary door panel 46311 is connected to the side of door 4631 near door 4621. The third auxiliary door panel 46311 is used to isolate iron filings on the side between door 4631 and door 4621 when they are in the cross-positioned and staggered closed state.

[0077] The materials of the six doors—Door 1 (4611), Door 2 (4621), Door 3 (4631), Door 4 (4641), Auxiliary Door Panel 1 (46111), and Auxiliary Door Panel 3 (46131)—are not limited to metal or non-metal. The structural form of any of the six doors is not limited to a single frame or multiple frames. The composition of the single frame or multiple frames is not limited to a single frame or multiple frame door structure composed of metal or non-metal mixtures.

[0078] In summary, this invention uses a fixed crossbeam body 47 as the central hub for pipeline layout and a rotatable oil / gas pipeline rotary distributor 42 to achieve dynamic pipeline following, avoiding entanglement and wear. Simultaneously, a lifting door device 46, composed of four independently controllable lifting door units, achieves precise spatial and temporal isolation and opening between the processing area 10 and the loading / unloading area 11, providing a reliable guarantee for the safe, efficient, and automated exchange of the dual worktables. Therefore, this invention effectively overcomes the various shortcomings of the prior art and has high industrial application value.

[0079] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. An automatic isolation device for multi-station oil and gas pipelines in a machining center, comprising a machine base (100), wherein the machine base (100) is provided with a machining area (10) and a loading / unloading area (11), and two worktables (50) that move and exchange between the machining area (10) and the loading / unloading area (11); the machining area (10) is provided with a shifting mechanism (20), and the shifting mechanism (20) is provided with a sliding mechanism (30); the loading / unloading area (11) is provided with a bidirectional exchange station (70); The front end of the shifting mechanism (20) is provided with a column (4), the front of the column (4) is equipped with a spindle machining system (208), and the side end of the column (4) is equipped with a tool magazine system. The processing area (10) is provided with a first exchange point (P71) and a second exchange point (P72), and the loading and unloading area (11) is provided with a third exchange point (P73) and a fourth exchange point (P74). The shifting mechanism (20), the sliding mechanism (30), and the bidirectional exchange station (70) cooperate to drive the two worktables (50) to move and exchange positions between the first exchange point (P71), the second exchange point (P72), the third exchange point (P73), and the fourth exchange point (P74). Its features are: The machine (100) is equipped with vertical beam bodies (48) on the front and rear sides respectively, and a horizontal beam body (47) is connected between the two vertical beam bodies (48). A lifting door device (46) is installed on the side end of the horizontal beam body (47). Two oil / gas pipeline rotary distributors (42) are installed at the lower end of the horizontal beam body (47). The input end of the oil / gas pipeline rotary distributor (42) is connected to an oil / gas inlet pipe (41), and the output end is connected to an oil / gas outlet pipe (43). Each of the two worktables (50) is equipped with a set of hydraulic / pneumatic clamps (44), the workpiece (45) is placed on the hydraulic / pneumatic clamps (44), and the output end of a single oil / air pipe (43) is connected to one of the hydraulic / pneumatic clamps (44).

2. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 1, characterized in that: The oil / gas pipeline rotary distributor (42) includes a distributor rotating shaft (421), a distributor rotating sleeve (422), and a distributor mounting base (423). The distributor mounting base (423) is installed below the main body of the crossbeam (47), the distributor rotating sleeve (422) is mounted on the distributor mounting base (423), and the distributor rotating shaft (421) is rotatably fitted inside the distributor rotating sleeve (422). The distributor rotating shaft (421) is provided with multiple sets of oil / gas pipeline channels inside, and oil / gas pipeline interfaces are provided at both ends of the oil / gas pipeline channels. The inlet oil / gas pipeline (41) and the outlet oil / gas pipeline (43) are respectively connected to the oil / gas pipeline interfaces at both ends of the oil / gas pipeline channels.

3. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 2, characterized in that: The two oil / gas pipeline rotary distributors (42) are located between the first switching point (P71) and the fourth switching point (P74), and between the second switching point (P72) and the third switching point (P73), respectively. The oil / gas pipe (43) connected to the oil / gas pipeline rotary distributor (42) located between the first switching point (P71) and the fourth switching point (P74) is the first set of oil / gas pipes (431), and the output end of the first set of oil / gas pipes (431) is connected to a hydraulic / pneumatic clamp (44). The oil / gas pipe (43) connected to the oil / gas pipeline rotary distributor (42) located between the second switching point (P72) and the third switching point (P73) is the second set of oil / gas pipes (432), and the output end of the second set of oil / gas pipes (432) is connected to a hydraulic / pneumatic clamp (44).

4. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 3, characterized in that: The lifting door device (46) includes a first group of lifting door units (461), a second group of lifting door units (462), a third group of lifting door units (463), and a fourth group of lifting door units (464). The first set of lifting door units (461) and the third set of lifting door units (463) are arranged side by side on the side of the main body of the crossbeam (47) near the processing area (10). The first set of lifting door units (461) is raised and lowered corresponding to the first switching point (P71), and the third set of lifting door units (463) is raised and lowered corresponding to the second switching point (P72). The second set of lifting door units (462) and the fourth set of lifting door units (464) are arranged side by side on the side of the main body of the crossbeam (47) near the loading and unloading area (11). The second set of lifting door units (462) is raised and lowered corresponding to the fourth switching point (P74), and the fourth set of lifting door units (464) is raised and lowered corresponding to the third switching point (P73). The first set of oil / gas pipes (431) can be rotatably connected between the first set of lifting door units (461) and the second set of lifting door units (462) after being connected to the corresponding oil / gas pipe rotary distributor (42); The second set of oil / gas pipes (432) can be rotatably coupled between the third set of lifting door units (463) and the fourth set of lifting door units (464) after being connected to the corresponding oil / gas pipe rotary distributor (42).

5. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 4, characterized in that: The first set of lifting door units (461) includes a first door (4611), a first linear actuator (4612), a first connecting plate (4613), and a first set of guide rail sliders; The first linear actuator (4612) is vertically mounted on one side of the vertical beam body (48) near the processing area (10). The first linear actuator (4612) has a movable end. The two ends of the first connecting plate (4613) are respectively connected to the movable end of the first linear actuator (4612) and the top of the first door (4611). The first set of guide rail sliders is mounted between the side end of the first door (4611) and the side end of the crossbeam body (47) corresponding to the first switching point (P71). The movement of the movable end of the first linear actuator (4612) drives the first door (4611) connected to it to move up and down at the position of the crossbeam body (47) near the first switching point (P71). The second set of lifting door units (462) includes a second door (4621), a second linear actuator (4622), a second connecting plate (4623), and a second set of guide rail sliders; The second linear actuator (4622) is vertically mounted on one side of the vertical beam body (48) near the loading / unloading area (11). The second linear actuator (4622) has a movable end. The two ends of the second connecting plate (4623) are respectively connected to the movable end of the second linear actuator (4622) and the upper part of the second door (4621). The second set of guide rail sliders is mounted between the side end of the second door (4621) and the side end of the crossbeam body (47) corresponding to the fourth switching point (P74). The movement of the movable end of the second linear actuator (4622) drives the second door (4621) connected to it to move up and down at the position of the crossbeam body (47) near the fourth switching point (P74). The third set of lifting door units (463) includes a third door (4631), a third linear actuator (4632), a third connecting plate (4633), and a third set of guide rail sliders; The third linear actuator (4632) is vertically mounted on the other side of the vertical beam body (48) near the processing area (10). The third linear actuator (4632) has a movable end. The two ends of the third connecting plate (4633) are respectively connected to the movable end of the third linear actuator (4632) and the top of the third door (4631). The third set of guide rail sliders is mounted between the side end of the third door (4631) and the side end of the crossbeam body (47) corresponding to the second switching point (P72). The movement of the movable end of the third linear actuator (4632) drives the third door (4631) connected to it to move up and down at the position of the crossbeam body (47) near the second switching point (P72). The fourth set of lifting door units (464) includes a fourth door (4641), a fourth linear actuator (4642), a fourth connecting plate (4643), and a fourth set of guide rail sliders; The fourth linear actuator (4642) is vertically mounted on the other side of the other vertical beam body (48) near the loading / unloading area (11). The fourth linear actuator (4642) has a movable end. The two ends of the fourth connecting plate (4643) are respectively connected to the movable end of the fourth linear actuator (4642) and the top of the fourth door (4641). The fourth set of guide rail sliders is mounted between the side end of the fourth door (4641) and the side end of the crossbeam body (47) corresponding to the third switching point (P73). The movement of the movable end of the fourth linear actuator (4642) drives the fourth door (4641) connected to it to move up and down at the position of the crossbeam body (47) near the third switching point (P73).

6. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 5, characterized in that: The No. 1 door (4611), No. 3 door (4631), No. 2 door (4621), and No. 4 door (4641) form two rows of four lifting doors on both sides of the main body of the crossbeam (47). The No. 1 door (4611), No. 4 door (4641), No. 2 door (4621), and No. 3 door (4631) are independently raised and lowered on both sides of the main body of the crossbeam (47) to isolate and open the processing area (10) and the loading and unloading area (11) in two parallel and staggered ways on both sides of the main body of the crossbeam (47).

7. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 6, characterized in that: The device further includes a fifth set of sliding units (491) and a sixth set of sliding units (492). The fifth set of sliding units (491) is installed in the area of ​​the crossbeam body (47) near the first set of oil / gas pipes (431); the sixth set of sliding units (492) is installed in the area of ​​the crossbeam body (47) near the second set of oil / gas pipes (432). The fifth set of sliding units (491) includes a fifth linear actuator (4911), a fifth L-shaped connecting plate (4912), and a fifth set of guide rail sliders (4913). The fifth linear actuator (4911) and the fifth set of guide rail sliders (4913) are both mounted on the crossbeam body (47). The fifth L-shaped connecting plate (4912) is connected to the movable end of the fifth linear actuator (4911). The oil / gas pipeline rotary distributor (42) connected to the first set of oil / gas pipelines (431) is mounted on the fifth set of guide rail sliders (4913) through the distributor mounting base (423) and connected to the fifth L-shaped connecting plate (4912). The oil / gas pipeline rotary distributor (42) is pushed by the fifth set of sliding units (491) to reciprocate between the first set of lifting door units (461) and the second set of lifting door units (462) for the displacement of the first set of oil / gas pipelines (431). The sixth sliding unit (492) includes a sixth linear actuator (4921), a sixth L-shaped connecting plate (4922), and a sixth guide rail slider (4923). The sixth linear actuator (4921) and the sixth guide rail slider (4923) are both mounted on the crossbeam body (47). The sixth L-shaped connecting plate (4922) is connected to the movable end of the sixth linear actuator (4921). The oil / gas pipeline rotary distributor (42) connected to the second set of oil / gas pipelines (432) is mounted on the sixth set of guide rail sliders (4923) through the distributor mounting base (423) and connected to the sixth L-shaped connecting plate (4922). The oil / gas pipeline rotary distributor (42) is pushed by the sixth set of sliding units (492) to reciprocate between the third set of lifting door units (463) and the fourth set of lifting door units (464) for the displacement of the second set of oil / gas pipelines (432).

8. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 7, characterized in that: Each of the two workbenches (50) is provided with an oil / gas pipe lifting unit (60) near the upper end of 11. The oil / gas pipe lifting unit (60) includes an oil / gas pipe linear actuator (601), an oil / gas pipe connecting plate (602), and an oil / gas pipe support (603). The oil / gas pipe support (603) is mounted on the upper end of the workbench (50), the oil / gas pipe linear actuator (601) is mounted on the oil / gas pipe support (603), and the oil / gas pipe connecting plate (602) is mounted on the movable end of the oil / gas pipe linear actuator (601). The first set of oil / gas pipes (431) is connected to the oil / gas pipe connecting plate (602) of one of the oil / gas pipe lifting units (60), and the second set of oil / gas pipes (432) is connected to the oil / gas pipe connecting plate (602) of the other oil / gas pipe lifting unit (60). The oil / air pipe lifting unit (60) drives the corresponding first set of oil / air pipes (431) or second set of oil / air pipes (432) to move up and down, so that the first set of oil / air pipes (431) or second set of oil / air pipes (432) can pass smoothly during the exchange process between the processing area (10) and the loading and unloading area (11) of the workbench 50.

9. The automatic isolation device for multi-station oil and gas pipelines in a machining center according to claim 8, characterized in that: A first auxiliary door panel (46111) is connected to the side of the first door (4611) near the fourth door (4641). The first auxiliary door panel (46111) is used to isolate iron filings on the side between the first door (4611) and the fourth door (4641) in the cross-and-off lowered closed state. The third door (4631) is connected to the third auxiliary door panel (46311) on the side near the second door (4621). The third auxiliary door panel (46311) is used to isolate iron filings on the side between the third door (4631) and the second door (4621) in the cross-positioned and staggered closing state.

10. An automatic isolation method for multi-station oil and gas pipelines in a machining center, comprising the automatic isolation device for multi-station oil and gas pipelines in a machining center as described in any one of claims 1-9, including a control system, wherein the control system controls the exchange and pipeline isolation of two worktables for a single cycle of operation, and the steps are as follows: N1, the second set of lifting door units (462) rises and opens, providing a passage for the removal of the first set of oil / gas pipes (431); N2, the first set of oil / gas pipes (431) moves out of the processing area (10) to the loading and unloading area (11) along with the worktable (50); N3, The first set of lifting door units (461) descends and closes, isolating the processing area (10); N4, the slide mechanism (30) moves to the second switching point (P72) to prepare for docking with another worktable (50); N5, the third set of lifting door units (463) rises and opens, providing a passage for the movement of the second set of oil / gas pipes (432); N6, the second set of oil / gas pipes (432) moves into the processing area (10) along with another workbench (50); N7, the fourth group of lifting door unit (464) descends and closes, isolating the loading and unloading area (11). N8, the fourth set of lifting door units (464) rises and opens, providing a passage for the removal of the second set of oil / gas pipes (432); N9, the second set of oil / air pipes (432) moves out of the processing area (10) to the loading and unloading area (11) along with the worktable (50); N10, the third set of lifting door unit (463) descends and closes, isolating the processing area (10); N11, the slide mechanism (30) moves to the first switching point (P71) and is ready to dock with the first worktable (50) again; N12, the first set of lifting door units (461) rises and opens, providing a passage for the movement of the first set of oil / gas pipes (431); N13, the first set of oil / gas pipes (431) moves into the processing area (10) along with the worktable (50); N14, the second set of lifting door units (462) descends and closes, isolating the loading and unloading area (11).

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