CN115771032A - Numerical control machine tool for flange machining - Google Patents
Numerical control machine tool for flange machining Download PDFInfo
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- CN115771032A CN115771032A CN202211658274.0A CN202211658274A CN115771032A CN 115771032 A CN115771032 A CN 115771032A CN 202211658274 A CN202211658274 A CN 202211658274A CN 115771032 A CN115771032 A CN 115771032A
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Abstract
The application discloses a numerical control machine tool for flange machining, which comprises a drilling mechanism, a turning mechanism, a milling mechanism, two frames which are spaced left and right, two supporting seats which are respectively arranged on the two frames in a horizontally rotating manner, and four clamping mechanisms; the two clamping mechanisms are respectively arranged at two ends of the left supporting seat, and the distances between the two clamping mechanisms and the rotating axis of the supporting seat are equal; the other two clamping mechanisms can be horizontally arranged at two ends of the right supporting seat in a sliding manner, and the sliding directions of the two clamping mechanisms are parallel to each other; the drilling mechanism is arranged at the left front part of the left supporting seat, and the milling mechanism is arranged at the right front part of the right supporting seat; the turning mechanism can be horizontally and rotatably arranged behind the two supporting seats, a connecting line between the turning mechanism and the drilling mechanism penetrates through the rotating axis of the left supporting seat, and a connecting line between the turning mechanism and the milling mechanism penetrates through the rotating axis of the right supporting seat. The numerical control machine tool has the advantages of small demand on labor force, high production efficiency, small manual workload and high working efficiency.
Description
Technical Field
The application relates to the technical field of machining, in particular to a numerical control machine tool for flange machining.
Background
A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange production process is mainly divided into four types: casting, forging, cutting and rolling. Wherein, the forged flange is not easy to rust, the forged piece has good streamline, compact arrangement and good mechanical property.
In the prior art, after forging and forming, a forged flange generally needs to be sequentially conveyed to a drilling station, a turning station and a milling station to perform finish machining processes such as drilling, turning and milling. However, the processing technologies cannot be completed in the same operation area, the processing line is long, the demand on labor force is high, and the production efficiency is low; in addition, the flanges are required to be clamped and positioned again in each machining process, and the flanges are required to be clamped and positioned twice in the turning process, so that the manual workload is large, and the working efficiency is low.
Therefore, how to design a numerical control machine tool for flange machining to overcome the above disadvantages is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
An aim at of this application provides one kind and is little to the labour demand, and production efficiency is high, and artifical work load is little, and work efficiency is high is used for the digit control machine tool of flange processing.
In order to achieve the above purposes, the technical scheme adopted by the application is as follows: a numerical control machine tool for flange machining comprises a drilling mechanism, a turning mechanism, a milling mechanism, two frames, two supporting seats and four clamping mechanisms for clamping flanges; the two racks are arranged at left and right intervals, and the two supporting seats are respectively arranged on the two racks in a horizontally rotatable manner; the two clamping mechanisms are respectively arranged at two ends of the supporting seat on the left side, and the distances between the two clamping mechanisms and the rotating axis of the supporting seat are equal; the other two clamping mechanisms can be horizontally and slidably arranged at two ends of the supporting seat on the right side, and the sliding directions of the two clamping mechanisms are parallel to each other; the drilling mechanism is arranged in the left front of the supporting seat on the left side, and the milling mechanism is arranged in the right front of the supporting seat on the right side; the turning mechanism can be horizontally and rotatably arranged behind the two supporting seats, a connecting line between the turning mechanism and the drilling mechanism penetrates through the rotating axis of the supporting seat on the left side, and a connecting line between the turning mechanism and the milling mechanism penetrates through the rotating axis of the supporting seat on the right side.
Preferably, the four clamping mechanisms comprise box bodies, rotating shafts, driving parts and clamping parts; the two box bodies are respectively arranged at two ends of the support at the left side, and the distances between the two box bodies and the rotating axis of the supporting seat are equal; the other two box bodies are respectively arranged on the supporting seat on the right side in a horizontally sliding manner, and the sliding directions of the two box bodies are parallel to each other; the four rotating shafts are respectively and rotatably arranged in the four box bodies, and the two rotating shafts positioned on the same box body are coaxially arranged along the horizontal direction; the four driving pieces are respectively arranged inside the four box bodies and are respectively used for driving the four rotating shafts to rotate; the four clamping pieces are coaxially arranged at the outer ends of the four rotating shafts respectively, and the four clamping pieces are used for automatically clamping or loosening the flange respectively.
Preferably, the clamping member comprises a housing, a cover, a slider, a piston ring, a first spring, a second spring and a third rotary joint; the open end of the shell is coaxially connected with the rotating shaft through the cover body; the end surface of the shell, which is far away from the rotating shaft, is provided with at least three sliding grooves along the radial direction, the included angles between two adjacent sliding grooves are equal, and the inner wall of each sliding groove is provided with a limiting groove for communicating the interior of the shell; the number of the sliding blocks is at least three, each sliding block is connected with each sliding groove in a sliding mode, and sealing is formed between each sliding block and the corresponding limiting groove; a clamping block is arranged on the side surface, far away from the cover body, of each sliding block, and a clamping block is arranged on the side surface, close to the cover body, of each sliding block; each clamping block is connected to each limiting groove in a sliding mode, and a conical surface is arranged at one end, close to the cover body, of each clamping block; the number of the first springs is at least three, each first spring is arranged in the shell, and each first spring is used for driving each clamping block to slide outwards in the radial direction; the piston ring can be axially and slidably arranged in the shell, a conical ring surface is arranged between the end surface of the piston ring, which is far away from the cover body, and the inner ring surface, and a closed cavity is enclosed among the piston ring, the shell and the cover body; the second spring is arranged in the shell and used for driving the piston ring to slide towards the direction close to the cover body; a channel for communicating the chamber is coaxially arranged in the rotating shaft in a penetrating manner, a rotating port of the third rotating joint is coaxially communicated with one end, far away from the chamber, of the channel, and a fixed end of the third rotating joint is fixed to the corresponding box body; when liquid or gas is filled into the cavity through the third rotary joint until the piston is driven to slide in the direction of annularly departing from the cover body, the conical ring surface forces the clamping blocks to slide inwards in the radial direction through the conical surfaces, so that the flange is clamped between the clamping blocks.
Preferably, the numerical control machine further comprises a first supply part, wherein the first supply part comprises a first rotary joint, a first main pipe, two first branch pipes and two first control valves; the first rotating joint is coaxially arranged on the rotating axis of the supporting seat on the left side, and a rotating port of the first rotating joint is communicated with the first main pipe; two the one end of first minute pipe communicate respectively in first rotary joint's stiff end, two the other end of first minute pipe respectively with corresponding two third rotary joint's stiff end intercommunication, two first control valve sets up respectively in two first minute pipe.
Preferably, the numerical control machine further comprises a second supply part, wherein the second supply part comprises a second rotary joint, a second main pipe, two second branch pipes and two second control valves; the second rotating joint is arranged on the supporting seat on the right side through a support, and the axis of the second rotating joint is superposed with the rotating axis of the supporting seat; the rotary port of the second rotary joint is communicated with the second manifold; two the second is divided to manage and is flexible structure or telescopic structure, two the second divide the pipe one end communicate respectively in second rotary joint's stiff end, two the second divide the pipe the other end respectively with corresponding two third rotary joint's stiff end intercommunication, two the second control valve sets up respectively in two the second is divided the pipe.
Preferably, the position, on the end face of the shell far away from the cover body and corresponding to the central hole of the flange, of the shell is sunken towards the direction close to the cover body to form a yielding groove; the side wall of the abdicating groove and the side face of the clamping block are both provided with accommodating holes for accommodating the end parts of the first springs.
Preferably, an annular groove is coaxially formed in one end, far away from the cover body, of the outer annular surface of the piston ring, the second spring is sleeved in the annular groove, and the outer diameter of the second spring is smaller than that of the piston ring.
Preferably, keep away from on the casing the terminal surface of lid and correspond the position of flange bolt hole is to being close to the direction of lid is equipped with the hole of stepping down.
Preferably, the lower end of the supporting seat is provided with a vertical shaft, the vertical shaft is rotatably arranged on the rack, and the lower end of the vertical shaft coaxially penetrates through an installation hole upwards; the numerical control machine tool also comprises two power supply parts, wherein each power supply part comprises an upper insulating cover, a lower insulating cover, at least two upper conducting rings, at least two lower conducting rings, at least two upper conducting wires and at least two lower conducting wires; the two upper insulating covers are respectively coaxially arranged at the lower ends of the two mounting holes, the two lower insulating covers are respectively coaxially and rotatably arranged at the lower ends of the two upper insulating covers, and a seal is formed between each lower insulating cover and the corresponding upper insulating cover; the at least two upper conducting rings are coaxially arranged at the inner top of the corresponding upper insulating cover at intervals, the at least two lower conducting rings are coaxially arranged at the inner bottom of the corresponding lower insulating cover at intervals, and each lower conducting ring is in contact conduction with the corresponding upper conducting ring; one end of each of the at least two upper conducting wires is arranged at the upper end of the upper insulating cover at intervals, and each upper conducting wire is in contact conduction with the corresponding upper conducting ring; one end of each of the at least two lower conducting wires is arranged at the lower end of the lower insulating cover at intervals, and each lower conducting wire is in contact conduction with the corresponding lower conducting ring.
Preferably, the power supply part further comprises a protective cover, the protective cover is detachably arranged at the upper end of the mounting hole, and a wire passing hole is formed in the protective cover in a penetrating mode.
Compared with the prior art, the beneficial effect of this application lies in:
(1) The supporting seat on the left side can horizontally rotate on the rack on the left side, so that when one end of the supporting seat on the left side rotates to the upward loading station, a flange to be processed is clamped on a corresponding clamping mechanism, and the loading operation can be completed; in a similar way, the flanges needing to be processed can be clamped on the two clamping mechanisms on the left side, so that the production and processing efficiency is improved.
(2) The connecting line between the turning mechanism and the drilling mechanism penetrates through the rotating axis of the left supporting seat, so that after the feeding operation is completed, the left supporting seat is controlled to rotate clockwise until two ends of the supporting seat respectively face the drilling mechanism and the turning mechanism, the drilling mechanism is used for drilling one corresponding flange, so that a bolt hole is formed, correspondingly, the turning mechanism is just used for performing first turning on the other corresponding flange, namely turning on one end face, one half of outer ring face and one inner ring face of the flange; simultaneously, because the left supporting seat is clockwise rotation, consequently, the flange is earlier through drilling processing, carries out lathe work again, can carry out the chamfer to the one end of bolt hole simultaneously during lathe work promptly. That is, the drilling work and the first turning work are performed simultaneously, further improving the efficiency of the production work.
(3) After the flanges clamped on the clamping mechanism on the left side are sequentially drilled and turned for the first time, the supporting seat on the left side is continuously controlled to rotate clockwise, the supporting seat on the right side simultaneously rotates clockwise, when the clamping mechanism at one end of the supporting seat on the right side is aligned with the clamping mechanism on the left side, the clamping mechanism on the right side slides leftwards until the flanges on the clamping mechanism on the left side are clamped, the clamping mechanism on the left side loosens the flanges, at the moment, the flanges on the clamping mechanism on the left side are transferred to the clamping mechanism on the right side, an unprocessed end face of the flange just faces the outer side corresponding to the clamping mechanism, and the clamping mechanism on the right side slides rightwards after clamping the flanges, so that the flanges are completely separated from the clamping mechanism on the left side; in a similar way, the flanges after drilling and first turning can be clamped on the two clamping mechanisms on the right side. After the flange clamped on the clamping mechanism on the left side is transferred, the flange can continuously return to a loading station for clamping again. That is to say, the flange can automatically shift and adjust the direction of the flange after the first turning process, and the flange does not need to be clamped and positioned again manually.
(4) Because the connecting line between the turning mechanism and the milling mechanism penetrates through the rotating axis of the right supporting seat, after the flange is transferred to the right clamping mechanism, the right supporting seat is controlled to rotate clockwise until the two ends of the right supporting seat respectively face the turning mechanism and the milling mechanism, and the turning mechanism can perform secondary turning on one corresponding flange, namely, turning on one end surface, the other half of the outer ring surface and the other end chamfer of the bolt hole which are not machined by the flange; meanwhile, the milling mechanism can mill the other corresponding flange, so that the internal spline is formed. That is, the second turning and milling are carried out simultaneously, and the production and processing efficiency is further improved; moreover, since the right support seat also rotates clockwise, before the milling process, the turning process and the chamfering process can be performed on the inner annular surface of the flange through the first turning process (or the second turning process), so that a necessary processing basis is provided for milling the internal spline.
(5) After the flange is milled, the supporting seat on the right side is continuously controlled to rotate clockwise until the corresponding clamping mechanism faces the blanking station, and then the flange can be taken down to complete blanking operation; after the flange is taken down, the corresponding clamping mechanism can continue to rotate clockwise along with the supporting seat on the right side, so that the flange is clamped on the clamping mechanism on the left side again.
(6) According to the above, when the feeding station and the blanking station are arranged in the same operation area, namely, the feeding station and the blanking station are both positioned between the drilling mechanism and the milling mechanism and are positioned right in front of the turning mechanism; when the loading operation is carried out, one end of the supporting seat on the left side faces to the operation area so as to carry out one loading operation, and two ends of the supporting seat on the right side just face to the turning mechanism and the milling mechanism so as to carry out second turning on one flange and mill one flange while loading; when the blanking operation is carried out, one end of the supporting seat on the right side faces to an operation area so as to carry out the blanking operation once, and the two ends of the supporting seat on the left side just face to the drilling mechanism and the turning mechanism so as to carry out the drilling processing on one flange and carry out the turning processing on one flange for the first time while blanking. That is, the production efficiency can be greatly improved by the processing mode; in addition, the feeding station and the blanking station can be positioned in the same operation area, and the feeding operation and the blanking operation are staggered, so that all operations can be completed by only one operator, and the requirement on labor force is reduced; in the whole machining process, for the same flange, an operator only needs to complete one-time clamping positioning and one-time taking-out operation, so that the manual workload is small, and the working efficiency is higher. In addition, the turning mechanism can be horizontally and rotatably arranged behind the two supporting seats, so that when the feeding operation is carried out, the turning mechanism rotates anticlockwise to the clamping mechanism on the supporting seat facing to the right side, and the corresponding flange is turned for the second time; when the blanking operation is carried out, the turning mechanism rotates clockwise to the clamping mechanism on the supporting seat facing the left side, so that the corresponding flange is turned for the first time; that is to say, this digit control machine tool only need be equipped with one the turning mechanism, and equipment cost is lower.
Drawings
Fig. 1 is a perspective view of a numerically-controlled machine tool for flange machining provided by the present application.
Fig. 2 is a top view of the numerically-controlled machine tool in fig. 1 according to the present disclosure.
Fig. 3 is a top view of the numerical control machine tool in fig. 1 during blanking provided by the present application.
Fig. 4 is a top view of the numerically controlled machine tool of fig. 1 during flange transfer.
Fig. 5 is an enlarged view of a part of the internal structure of the numerically-controlled machine tool in fig. 1 provided by the present application.
Fig. 6 is an enlarged view of the left portion of fig. 5 provided herein.
Fig. 7 is an enlarged view of the first supply of fig. 6 provided herein.
Fig. 8 is an enlarged view of the right portion of fig. 5 provided herein.
Fig. 9 is an enlarged view of the clamping member of fig. 6 or 8 provided in the present application.
Fig. 10 is an exploded view of the clamping member of fig. 9 provided herein.
Fig. 11 is an enlarged view of the slider of fig. 10 provided in the present application.
FIG. 12 is a cross-sectional view of the clamping member of FIG. 9 as provided herein.
Fig. 13 is a partial enlarged view at I in fig. 12 provided herein.
Fig. 14 is an enlarged view of the power supply part in fig. 6 or 8 provided in the present application.
Fig. 15 is an internal structural view of the lower insulating cover in fig. 14 provided in the present application.
Fig. 16 is an internal structural view of the upper insulating cover of fig. 14 provided in the present application.
Fig. 17 is a schematic view of the installation of the power supply unit in fig. 14 provided in the present application.
Fig. 18 is an enlarged view of the power supply of fig. 17 provided herein.
Fig. 19 and 20 are process state diagrams of numerically controlled machine tool machined flanges of fig. 1 provided herein.
In the figure: 1. a drilling mechanism; 2. a turning mechanism; 3. a milling mechanism; 4. a frame; 5. a supporting seat; 51. a support; 52. a vertical axis; 521. mounting holes; 6. a clamping mechanism; 61. a box body; 62. a rotating shaft; 621. a channel; 63. a clamping member; 631. a housing; 6311. a chute; 6312. a limiting groove; 6313. a yielding groove; 6314. an accommodation hole; 6315. a hole of abdication; 632. a cover body; 633. a slider; 6331. a clamping block; 6332. a clamping block; 6333. a conical surface; 634. a piston ring; 6341. a conical ring surface; 6342. an annular groove; 635. a first spring; 636. a second spring; 637. a third rotary joint; 638. a chamber; 7. a first supply member; 71. a first rotary joint; 72. a first header pipe; 73. a first branch pipe; 74. a first control valve; 8. a second supply member; 81. a second rotary joint; 82. a second manifold; 83. a second branch pipe; 84. a second control valve; 9. a power supply member; 91. an upper insulating cover; 911. a convex ring; 92. a lower insulating cover; 921. a groove; 93. an upper conducting ring; 94. a lower conducting ring; 95. an upper lead; 96. a lower lead; 97. a protective cover; 971. a wire passing hole; 100. a chassis; 101. operating a window; 200. an operating area; 300. a flange; 301. bolt holes; 302. an internal spline.
Detailed Description
The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application. The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 to 5, an embodiment of the present application provides a numerical control machine tool for flange 300 machining, including a drilling mechanism 1, a turning mechanism 2, a milling mechanism 3, two frames 4, two supporting seats 5, and four clamping mechanisms 6 for clamping a flange 300; the two racks 4 are arranged at left and right intervals, and the two supporting seats 5 are respectively arranged on the two racks 4 in a horizontally rotatable manner; the two clamping mechanisms 6 are respectively arranged at two ends of the supporting seat 5 on the left side, and the distances between the two clamping mechanisms 6 and the rotating axis of the supporting seat 5 are equal; the other two clamping mechanisms 6 can be horizontally arranged at two ends of the right supporting seat 5 in a sliding manner, and the sliding directions of the two clamping mechanisms 6 are parallel to each other; the drilling mechanism 1 is arranged at the left front of the left supporting seat 5, and the milling mechanism 3 is arranged at the right front of the right supporting seat 5; the turning mechanism 2 is horizontally and rotatably arranged behind the two supporting seats 5, a connecting line between the turning mechanism 2 and the drilling mechanism 1 penetrates through the rotating axis of the supporting seat 5 on the left side, and a connecting line between the turning mechanism 2 and the milling mechanism 3 penetrates through the rotating axis of the supporting seat 5 on the right side.
As shown in fig. 2, since the left support seat 5 can horizontally rotate on the left frame 4, when one end of the left support seat 5 rotates to the upward loading station, the flange 300 to be processed is clamped on a corresponding clamping mechanism 6, and the loading operation can be completed; in a similar way, the flanges 300 to be processed can be clamped on the two clamping mechanisms 6 on the left side, so that the production and processing efficiency is improved.
As shown in fig. 3, since a connection line between the turning mechanism 2 and the drilling mechanism 1 passes through a rotation axis of the left support seat 5, after the feeding operation is completed, the left support seat 5 is controlled to rotate clockwise, and when two ends of the support seat 5 face the drilling mechanism 1 and the turning mechanism 2 respectively, the drilling mechanism 1 is used for drilling a corresponding flange 300, so as to form a bolt hole 301 (as shown in fig. 19); correspondingly, the turning mechanism 2 is just used for turning the other corresponding flange 300 for the first time, namely, turning one end face, a half outer ring face and an inner ring face of the flange 300; furthermore, since the left support seat 5 is rotated clockwise, one end of the bolt hole 301 can be chamfered at the same time when the flange 300 is first subjected to the drilling process and then subjected to the first turning process. That is, the drilling work and the first turning work are performed simultaneously, further improving the efficiency of the production work.
As shown in fig. 4, after the flange 300 clamped on the left clamping mechanism 6 is sequentially drilled and turned for the first time, the left supporting seat 5 is continuously controlled to rotate clockwise, and meanwhile, the right supporting seat 5 rotates clockwise until one clamping mechanism 6 at one end of the right supporting seat 5 is aligned with one clamping mechanism 6 at the left side, the right clamping mechanism 6 slides leftwards until the flange 300 on the left clamping mechanism 6 is clamped, the left clamping mechanism 6 releases the flange 300, at this time, the flange 300 on the left clamping mechanism 6 is transferred to the right clamping mechanism 6, an unprocessed end face of the flange 300 just faces the outer side of the corresponding clamping mechanism 6, and the right clamping mechanism 6 slides rightwards after clamping the flange 300, so that the flange 300 is completely separated from the left clamping mechanism 6; similarly, the flange 300 after drilling and first turning can be clamped on the two clamping mechanisms 6 on the right side. After the flange 300 clamped on the left clamping mechanism 6 is transferred, the flange can continuously return to the loading station for clamping again. That is to say, after the flange 300 is subjected to the first turning process, the direction of the flange 300 can be automatically transferred and adjusted, and the flange 300 does not need to be manually clamped and positioned again.
As shown in fig. 3, since a connection line between the turning mechanism 2 and the milling mechanism 3 passes through a rotation axis of the right-side support seat 5, after the flange 300 is transferred to the right-side clamping mechanism 6, the right-side support seat 5 is controlled to rotate clockwise until two ends of the right-side support seat 5 respectively face the turning mechanism 2 and the milling mechanism 3, the turning mechanism 2 performs a second turning process on a corresponding flange 300, that is, a non-processed end surface of the flange 300, the other half of the outer ring surface, and a chamfer of the other end of the bolt hole 301 are subjected to turning process; at the same time, the milling mechanism 3 mills the respective other flange 300 to form the internal spline 302 (as shown in fig. 20). That is, the second turning and milling are simultaneously carried out, and the production and processing efficiency is further improved; moreover, since the right-side support seat 5 also rotates clockwise, the inner annular surface of the flange 300 can be turned and chamfered by the first turning (or the second turning) before the milling process, thereby providing a necessary processing basis for milling the internal spline 302. After the flange 300 is milled, the right supporting seat 5 continues to be controlled to rotate clockwise until the corresponding clamping mechanism 6 faces the blanking station, and then the flange 300 can be taken down to complete blanking operation; after the flange 300 is taken down, the corresponding clamping mechanism 6 can continue to rotate clockwise along with the supporting seat 5 on the right side, so that the flange 300 is clamped on the clamping mechanism 6 on the left side again.
As shown in fig. 2 to 4, the feeding station and the discharging station are disposed in the same operation area 200, that is, the feeding station and the discharging station are both located between the drilling mechanism 1 and the milling mechanism 3 and directly in front of the turning mechanism 2. As shown in fig. 2, when the loading operation is performed, one end of the left support seat 5 faces the operation area 200 so as to perform one loading operation, and both ends of the right support seat 5 just face the turning mechanism 2 and the milling mechanism 3 so as to perform a second turning process on one flange 300 and perform a milling process on one flange 300 while the loading operation is performed. As shown in fig. 3, when the blanking operation is performed, one end of the support seat 5 on the right side faces the operation area 200 so as to perform the blanking operation, and both ends of the support seat 5 on the left side just face the drilling mechanism 1 and the turning mechanism 2 so as to drill one flange 300 and perform the first turning on one flange 300 while blanking. That is, the production efficiency can be greatly improved by the processing mode; in addition, the feeding station and the blanking station can be positioned in the same operation area 200, and the feeding operation and the blanking operation are staggered, so that all operations can be completed by only one operator, and the requirement on labor force is reduced; moreover, in the whole machining process, for the same flange 300, an operator only needs to complete one-time clamping and positioning and one-time taking-out operation, the manual workload is small, and the working efficiency is higher. In addition, since the turning mechanism 2 is horizontally and rotatably arranged behind the two supporting seats 5, when the feeding operation is performed, the turning mechanism 2 rotates counterclockwise to the clamping mechanism 6 on the supporting seat 5 facing the right side, so that the corresponding flange 300 is turned for the second time; during blanking operation, the turning mechanism 2 rotates clockwise to the clamping mechanism 6 on the support seat 5 facing the left side, so that the corresponding flange 300 is turned for the first time; that is to say, the numerical control machine tool only needs to be equipped with one turning mechanism 2, and the equipment cost is lower.
It should be noted that the drilling mechanism 1, the turning mechanism 2, and the milling mechanism 3 are all prior art, and detailed description thereof is omitted in this application. In addition, the present application does not limit the horizontal rotation mounting manner of the turning mechanism 2, for example, the entire turning mechanism 2 is mounted on a rotating platform, and the horizontal rotation of the turning mechanism 2 can be realized by controlling the horizontal rotation of the rotating platform, so that the turning mechanism 2 can alternately perform the first turning process and the second turning process. In addition, the present application does not limit the horizontal rotation installation manner of the support base 5, for example, a vertical shaft 52 is installed at the lower side of the support base 5, the vertical shaft 52 is rotatably installed inside the frame 4 through a bearing and a bearing seat, and meanwhile, a servo motor is installed inside the frame 4, and an output shaft of the motor is connected with the vertical shaft 52 through a transmission mechanism, so that the vertical shaft 52 (i.e., the support base 5) can be driven by the servo motor to horizontally rotate by a designated angle, so as to complete the corresponding operation.
Referring to fig. 5, 6, and 8, in the present embodiment, each of the four chucking mechanisms 6 includes a case 61, a rotary shaft 62, a driving member, and a chucking member 63; the two box bodies 61 are respectively arranged at two ends of the left support, and the distances between the two box bodies 61 and the rotating axis of the support seat 5 are equal; the other two boxes 61 are respectively arranged on the right supporting seat 5 in a horizontally sliding manner, and the sliding directions of the two boxes 61 are parallel to each other; the four rotating shafts 62 are respectively rotatably arranged on the four box bodies 61, and the two rotating shafts 62 positioned on the same box body 61 are coaxially arranged along the horizontal direction; the four driving members are respectively arranged inside the four box bodies 61, and the four driving members are respectively used for driving the four rotating shafts 62 to rotate; four clamping pieces 63 are coaxially provided at outer ends of the four rotating shafts 62, respectively, and the four clamping pieces 63 are used to automatically clamp or unclamp the flange 300, respectively. Wherein, the clamping location to flange 300 can be realized to the clamp through clamping piece 63's clamp, and when taking place to rotate through driving piece drive rotation axis 62, rotation axis 62 can drive corresponding clamping piece 63 and realize rotating. When the clamping member 63 rotates, the flange 300 clamped on the clamping member 63 also rotates. When the drilling mechanism 1 adopts a single drill, after each bolt hole 301 is drilled, the clamping member 63 clamps the flange 300 to rotate by 60 degrees (60 degrees is an included angle between two adjacent bolt holes 301, the flange 300 is provided with six bolt holes 301, namely, the included angle between two adjacent bolt holes 301 is 60 degrees), so that the next bolt hole 301 is drilled continuously, and the like until the six bolt holes 301 are drilled. When the turning mechanism 2 is a lathe, the driving member drives the rotating shaft 62 to rotate at a high speed during the first turning and the second turning, and the rotating shaft 62 can drive the clamping member 63 (i.e., the flange 300) to rotate at a high speed, so as to achieve the turning. In the present invention, the rotatable mounting manner of the rotating shaft 62 is not limited, and for example, the rotating shaft 62 is rotatably mounted on the housing 61 through a bearing. In addition, the driving member itself is a conventional one, for example, the driving member is a motor, and an output shaft of the motor is connected to the rotating shaft 62 through a transmission mechanism, so that the rotating shaft 62 can be driven to rotate by the motor. In the present invention, the slide-mounting manner of the two cases 61 on the right-hand support base 5 is not limited, and for example, a guide rail is provided on the support base 5, a guide groove at the lower end of the case 61 is slidably connected to the guide rail, and the case 61 is driven to slide horizontally by a lead screw drive mechanism.
Referring to fig. 6, 8, and 9 to 13, in the present embodiment, the clamp 63 includes a housing 631, a cover 632, a slider 633, a piston ring 634, a first spring 635, a second spring 636, and a third rotary joint 637. As shown in fig. 9 and 10, the open end of the case 631 is coaxially connected to the rotary shaft 62 through the cover 632; at least three sliding grooves 6311 are radially arranged on the end surface of the casing 631, which is far away from the rotating shaft 62, the included angle between two adjacent sliding grooves 6311 is equal, and the inner wall of each sliding groove 6311 is provided with a limit groove 6312 (as shown in fig. 10 and 13) for communicating the inside of the casing 631; as shown in fig. 9 to 11, the number of the sliding blocks 633 is at least three, each sliding block 633 is slidably connected to each sliding groove 6311, and a seal is formed between each sliding block 633 and the corresponding limiting groove 6312 (as shown in fig. 13, the limiting groove 6312 is sealed by the sliding block 633, so as to prevent chips and cooling liquid generated in the machining process from entering the inside of the housing 631 through the limiting groove 6312); as shown in fig. 11 to 13, a clamping block 6331 is disposed on a side surface of each slider 633 away from the cover 632, and a clamping block 6332 is disposed on a side surface of each slider 633 close to the cover 632; each clamping block 6332 is slidably connected to each limiting groove 6312, and a tapered surface 6333 is arranged at one end of each clamping block 6332 close to the cover body 632; the number of the first springs 635 is at least three, each first spring 635 is arranged inside the housing 631, and each first spring 635 is used for driving each fixture block 6332 to slide radially outwards; piston ring 634 is axially slidably disposed inside casing 631, a tapered ring surface 6341 is disposed between an end surface of piston ring 634 away from cover 632 and an inner ring surface, and a closed cavity 638 is defined between piston ring 634, casing 631, and cover 632; the second spring 636 is disposed inside the casing 631, and the second spring 636 is used for driving the piston ring 634 to slide in a direction close to the cover 632. The inside of the rotating shaft 62 is coaxially provided with a passage 621 (as shown in fig. 12) for communicating with the chamber 638, a rotating port of the third rotating joint 637 is coaxially communicated with an end of the passage 621 far from the chamber 638, and a fixed end of the third rotating joint 637 is fixed to the corresponding case 61 (as shown in fig. 6 or fig. 8). As shown in fig. 12 and 13, when the chamber 638 is filled with liquid or gas through the third rotary joint 637 until the piston ring 634 is driven to slide away from the cover 632, the tapered ring surface 6341 forces the respective locking blocks 6332 to slide radially inward through the respective tapered surfaces 6333, thereby automatically clamping the flange 300 between the respective locking blocks 6331. When the liquid or gas in the cavity 638 is exhausted, the piston ring 634 slides to a direction close to the cover 632 under the action of the second spring 636, so as to automatically realize the reset; at this time, each latch 6332 is also slid radially outward by the first spring 635, so that the flange 300 clamped between the latches 6332 is automatically released. The rotation port and the fixed end of the third rotation joint 637 can rotate relative to each other, so that liquid (or gas) can be introduced into or removed from the channel 621 when the fixed end of the third rotation joint 637 is not fixed and the rotation shaft 62 rotates.
Referring to fig. 6 and 7, in the present embodiment, the numerical control machine further includes a first supply member 7, and the first supply member 7 includes a first rotary joint 71, a first header pipe 72, two first branch pipes 73, and two first control valves 74; a first rotary joint 71 is coaxially arranged on the rotation axis of the support base 5 on the left side, and a rotation port of the first rotary joint 71 is communicated with a first bus pipe 72; one end of each of the two first branch pipes 73 is communicated with the fixed end of the first rotary joint 71, the other end of each of the two first branch pipes 73 is communicated with the fixed end of the corresponding one of the two third rotary joints 637, and the two first control valves 74 are disposed in the two first branch pipes 73. When the first manifold 72 is externally connected with positive pressure (i.e. liquid or gas is supplied into the first manifold 72), the corresponding first control valve 74 is opened, so that liquid or gas can be supplied into the corresponding third rotary joint 637, thereby clamping the flange 300; when the first manifold 72 is connected externally with a negative pressure, the corresponding first control valve 74 is opened, and the liquid or gas in the corresponding third rotary joint 637 can be discharged, so that the clamping effect on the flange 300 is released. In addition, the rotation port and the fixed end of the first rotary joint 71 can allow relative rotation, so that when the support base 5 rotates, the fixed end of the first rotary joint 71 can rotate relative to the rotation port (i.e., the first manifold 72) of the first rotary joint 71 in an adaptive manner, thereby avoiding interference. In addition, since relative sliding between the box 61 on both sides of the first rotary joint 71 and the supporting seat 5 below does not occur, the first branch pipe 73 can adopt a rigid structure, so that the fixed end of the first rotary joint 71 is not fixed by the bracket 51; of course, the first branch pipe 73 may also be of a flexible structure, and the fixed end of the first rotary joint 71 needs to be fixed by the bracket 51.
Referring to fig. 8, in the present embodiment, the numerical control machine further comprises a second supply member 8, the second supply member 8 comprising a second rotary joint 81, a second manifold 82, two second branch pipes 83 and two second control valves 84; the second rotating joint 81 is arranged on the right supporting seat 5 through the bracket 51, and the axis of the second rotating joint 81 is overlapped with the rotation axis of the supporting seat 5; the rotary port of the second rotary joint 81 communicates with the second manifold 82; two second branch pipes 83 are flexible structures or telescopic structures, one ends of the two second branch pipes 83 are respectively communicated with the fixed ends of the second rotary joints 81, the other ends of the two second branch pipes 83 are respectively communicated with the fixed ends of the corresponding two third rotary joints 637, and the two second control valves 84 are respectively arranged on the two second branch pipes 83. Similarly, when the second manifold 82 is externally connected with positive pressure (i.e. liquid or gas is supplied into the second manifold 82), the corresponding second control valve 84 is opened, so that liquid or gas can be supplied into the corresponding third rotary joint 637, thereby clamping the flange 300; when the second manifold 82 is connected externally with a negative pressure, the corresponding second control valve 84 is opened, so that the liquid or gas in the corresponding third rotary joint 637 can be discharged, and the clamping effect on the flange 300 is released. In addition, the rotation port and the fixed end of the second rotating joint 81 can allow relative rotation, so that when the supporting seat 5 rotates, the fixed end of the second rotating joint 81 can rotate relative to the rotation port (i.e. the second manifold 82) of the second rotating joint 81 in an adaptive manner, thereby avoiding interference. In addition, since the box 61 at both sides of the second rotary joint 81 is slidably connected with the supporting seat 5 below, the second branch pipe 83 has a flexible structure or a retractable structure to avoid interference with the position of the sliding adjusting box 61.
Referring to fig. 12 and 13, in the present embodiment, the position of the end surface of the housing 631 away from the cover 632 and corresponding to the central hole of the flange 300 is recessed to form an avoiding groove 6313 in the direction approaching the cover 632; the groove 6313 of stepping down can avoid the in-process mistake of turning the centre bore of flange 300 to touch the lathe tool, can avoid milling the in-process mistake of internal spline 302 to touch milling cutter simultaneously. The side wall of the receding groove 6313 and the side surface of the latch 6332 are each provided with a receiving hole 6314 for receiving the end of the first spring 635, and the first spring 635 is conveniently mounted through the receiving hole 6314.
Referring to fig. 12 and 13, in the present embodiment, an annular groove 6342 is coaxially disposed at an end of the outer circumferential surface of the piston ring 634 away from the cover body 632, the second spring 636 is sleeved in the annular groove 6342, and an outer diameter of the second spring 636 is smaller than an outer diameter of the piston ring 634. The annular groove 6342 facilitates installation of the first spring 635, and the outer diameter of the second spring 636 is smaller than the outer diameter of the piston ring 634, so that the second spring 636 does not contact with the inner annular surface of the housing 631, and thus does not wear the inner annular surface of the housing 631, and the sealing performance between the piston ring 634 and the housing 631 is not damaged.
Referring to fig. 9 and 10, in the present embodiment, the housing 631 has an end surface away from the cover 632 and a relief hole 6315 provided in a direction toward the cover 632 corresponding to the bolt hole 301 of the flange 300, so that the relief hole 6315 can prevent the drill from being mistakenly touched during drilling.
Referring to fig. 6, 8 and 14 to 18, in the present embodiment, the lower end of the support base 5 is provided with a vertical shaft 52, the vertical shaft 52 is rotatably disposed on the frame 4, and the lower end of the vertical shaft 52 coaxially and upwardly penetrates through an installation hole 521; the numerical control machine further comprises two power supply parts 9, wherein each of the two power supply parts 9 comprises an upper insulating cover 91, a lower insulating cover 92, at least two upper conducting rings 93, at least two lower conducting rings 94, at least two upper conducting wires 95 and at least two lower conducting wires 96; the two upper insulation covers 91 are respectively coaxially arranged at the lower ends of the two mounting holes 521, the two lower insulation covers 92 are respectively coaxially and rotatably arranged at the lower ends of the two upper insulation covers 91, and a seal is formed between each lower insulation cover 92 and the corresponding upper insulation cover 91; at least two upper conductive rings 93 are coaxially and alternately arranged at the inner top of the corresponding upper insulating cover 91, at least two lower conductive rings 94 are coaxially and alternately arranged at the inner bottom of the corresponding lower insulating cover 92, and each lower conductive ring 94 is in contact conduction with the corresponding upper conductive ring 93; one end of at least two upper conducting wires 95 is arranged at the upper end of the upper insulating cover 91 at intervals, and each upper conducting wire 95 is in contact conduction with the corresponding upper conducting ring 93; one end of at least two lower conductive wires 96 is disposed at the lower end of the lower insulating cover 92 at intervals, and each lower conductive wire 96 is in contact with and conducted to the corresponding lower conductive ring 94. As shown in fig. 17 and 18, the upper insulating cover 91 is fixed to the lower end of the mounting hole 521, and the upper lead 95 is led out from the upper end of the mounting hole 521, and then is connected to a position where electricity is needed (for example, the first control valve 74, the second control valve 84, the motor for driving the rotation shaft 62 to rotate, the motor on the lead screw driving mechanism, and the like); the lower insulating cover 92 is fixed below the vertical shaft 52, and is connected with an external power supply through a lower lead 96; then when the supporting seat 5 (i.e. the vertical shaft 52) rotates, the upper insulating cover 91 and the upper conductive ring 93 inside the upper insulating cover 91 rotate along with the vertical shaft 52, and the lower insulating cover 92 and the lower conductive ring 94 inside the lower insulating cover are fixed, and in the process, the upper conductive ring 93 and the corresponding lower conductive ring 94 are in contact conduction all the time, so that the input of the power supply can be realized under the condition that the supporting seat 5 rotates clockwise all the time. For example, as shown in fig. 18, a protruding ring 911 coaxially protrudes from an inner annular surface of the upper insulating cover 91, an annular groove 921 is formed in an outer annular surface of the lower insulating cover 92 (positions of the protruding ring 911 and the groove 921 can be exchanged), the protruding ring 911 is clamped in the groove 921, and relative rotation can be generated between the protruding ring 911 and the groove 921. Of course, the engagement between the protruding ring 911 and the groove 921 is also suitable for the upper conductive ring 93 and the lower conductive ring 94.
Referring to fig. 17, in the present embodiment, the power supply unit 9 further includes a protective cover 97, the protective cover 97 is detachably disposed at the upper end of the mounting hole 521, and a wire passing hole 971 is disposed through the protective cover 97. The upper end of the mounting hole 521 can be sealed by a protection cover 97 to prevent chips generated during machining and cooling liquid from entering the inside of the mounting hole 521; in addition, the upper conductive line inside the mounting hole 521 can be drawn out through the via hole 971.
Referring to fig. 1, in this embodiment, in order to perform protection, a case 100 is further disposed outside the numerical control machine, and an operation window 201 is disposed on the case 100 at a position corresponding to an operation area 200, so that an operator can perform loading and unloading operations.
The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.
Claims (10)
1. A numerical control machine tool for flange machining comprises a drilling mechanism, a turning mechanism and a milling mechanism, and is characterized by further comprising two racks, two supporting seats and four clamping mechanisms for clamping flanges; the two racks are arranged at left and right intervals, and the two supporting seats are respectively arranged on the two racks in a horizontally rotatable manner; the two clamping mechanisms are respectively arranged at two ends of the supporting seat on the left side, and the distances between the two clamping mechanisms and the rotating axis of the supporting seat are equal; the other two clamping mechanisms can be horizontally and slidably arranged at two ends of the supporting seat on the right side, and the sliding directions of the two clamping mechanisms are parallel to each other; the drilling mechanism is arranged in the left front of the supporting seat on the left side, and the milling mechanism is arranged in the right front of the supporting seat on the right side; the turning mechanism can be horizontally and rotatably arranged behind the two supporting seats, a connecting line between the turning mechanism and the drilling mechanism penetrates through the rotating axis of the supporting seat on the left side, and a connecting line between the turning mechanism and the milling mechanism penetrates through the rotating axis of the supporting seat on the right side.
2. The numerical control machine tool for flange processing according to claim 1, wherein each of the four clamping mechanisms comprises a case, a rotating shaft, a driving member and a clamping member; the two box bodies are respectively arranged at two ends of the support at the left side, and the distances between the two box bodies and the rotating axis of the supporting seat are equal; the other two box bodies are respectively arranged on the supporting seat on the right side in a horizontally sliding manner, and the sliding directions of the two box bodies are mutually parallel; the four rotating shafts are respectively and rotatably arranged in the four box bodies, and the two rotating shafts positioned on the same box body are coaxially arranged along the horizontal direction; the four driving pieces are respectively arranged inside the four box bodies and are respectively used for driving the four rotating shafts to rotate; the four clamping pieces are coaxially arranged at the outer ends of the four rotating shafts respectively, and the four clamping pieces are used for automatically clamping or loosening the flange respectively.
3. The numerical control machine tool for flange working according to claim 2, wherein the clamping member comprises a housing, a cover, a slide block, a piston ring, a first spring, a second spring, and a third rotary joint; the open end of the shell is coaxially connected with the rotating shaft through the cover body; the end surface of the shell, which is far away from the rotating shaft, is provided with at least three sliding grooves along the radial direction, the included angles between two adjacent sliding grooves are equal, and the inner wall of each sliding groove is provided with a limiting groove for communicating the interior of the shell; the number of the sliding blocks is at least three, each sliding block is connected with each sliding groove in a sliding mode, and sealing is formed between each sliding block and the corresponding limiting groove; a clamping block is arranged on the side surface, far away from the cover body, of each sliding block, and a clamping block is arranged on the side surface, close to the cover body, of each sliding block; each clamping block is connected with each limiting groove in a sliding mode, and a conical surface is arranged at one end, close to the cover body, of each clamping block; the number of the first springs is at least three, each first spring is arranged in the shell, and each first spring is used for driving each fixture block to slide outwards in the radial direction; the piston ring can be axially and slidably arranged in the shell, a conical ring surface is arranged between the end surface of the piston ring, which is far away from the cover body, and the inner ring surface, and a closed cavity is enclosed among the piston ring, the shell and the cover body; the second spring is arranged in the shell and used for driving the piston ring to slide towards the direction close to the cover body; a channel for communicating the chamber is coaxially arranged in the rotating shaft in a penetrating manner, a rotating port of the third rotating joint is coaxially communicated with one end, far away from the chamber, of the channel, and a fixed end of the third rotating joint is fixed to the corresponding box body; when liquid or gas is filled into the cavity through the third rotary joint until the piston is driven to slide in the direction of annularly moving away from the cover body, the conical ring surface forces each clamping block to slide radially inwards through each conical surface, so that the flange is clamped between each clamping block.
4. A numerical control machine tool for flange working according to claim 3, further comprising a first supply member including a first rotary joint, a first header pipe, two first branch pipes, and two first control valves; the first rotating joint is coaxially arranged on the rotating axis of the supporting seat on the left side, and a rotating port of the first rotating joint is communicated with the first main pipe; two first one end of being in charge of communicate respectively in first rotary joint's stiff end, two first other end of being in charge of respectively with corresponding two third rotary joint's stiff end intercommunication, two first control valve sets up respectively in two first being in charge of.
5. A numerical control machine tool for flange working according to claim 3, further comprising a second supply member including a second rotary joint, a second header pipe, two second branch pipes, and two second control valves; the second rotating joint is arranged on the supporting seat on the right side through a support, and the axis of the second rotating joint is superposed with the rotating axis of the supporting seat; the rotary port of the second rotary joint is communicated with the second manifold; two the second is divided to manage and is flexible structure or telescopic structure, two the second divide the pipe one end communicate respectively in second rotary joint's stiff end, two the second divide the pipe the other end respectively with corresponding two third rotary joint's stiff end intercommunication, two the second control valve sets up respectively in two the second is divided the pipe.
6. The numerical control machine tool for flange machining according to claim 3, wherein a position on the end surface of the housing away from the cover body and corresponding to the center hole of the flange is recessed in a direction close to the cover body to form a relief groove; the side wall of the abdicating groove and the side face of the clamping block are both provided with accommodating holes for accommodating the end parts of the first springs.
7. The numerical control machine tool for flange processing according to claim 3, wherein an annular groove is coaxially formed at an end of an outer circumferential surface of the piston ring, which is far away from the cover body, the second spring is sleeved in the annular groove, and an outer diameter of the second spring is smaller than that of the piston ring.
8. The numerical control machine tool for flange processing according to claim 3, wherein a relief hole is provided on the end surface of the housing away from the cover body and in a direction close to the cover body corresponding to the position of the flange bolt hole.
9. The numerical control machine tool for flange machining according to claim 1, wherein a lower end of the supporting base is provided with a vertical shaft, the vertical shaft is rotatably provided to the frame, and a mounting hole is coaxially and upwardly penetrated through a lower end of the vertical shaft; the numerical control machine tool also comprises two power supply parts, wherein each power supply part comprises an upper insulating cover, a lower insulating cover, at least two upper conducting rings, at least two lower conducting rings, at least two upper conducting wires and at least two lower conducting wires; the two upper insulating covers are respectively coaxially arranged at the lower ends of the two mounting holes, the two lower insulating covers are respectively coaxially and rotatably arranged at the lower ends of the two upper insulating covers, and a seal is formed between each lower insulating cover and the corresponding upper insulating cover; the at least two upper conducting rings are coaxially arranged at the inner top of the corresponding upper insulating cover at intervals, the at least two lower conducting rings are coaxially arranged at the inner bottom of the corresponding lower insulating cover at intervals, and each lower conducting ring is in contact conduction with the corresponding upper conducting ring; one ends of at least two upper conducting wires are arranged at the upper end of the upper insulating cover at intervals, and each upper conducting wire is in contact conduction with the corresponding upper conducting ring; one ends of at least two lower conducting wires are arranged at the lower end of the lower insulating cover at intervals, and each lower conducting wire is in contact conduction with the corresponding lower conducting ring.
10. The numerical control machine tool for flange processing according to claim 9, wherein the power supply member further comprises a shield detachably disposed at an upper end of the mounting hole, and a wire passing hole is formed through the shield.
Priority Applications (1)
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CN202211658274.0A CN115771032A (en) | 2022-12-22 | 2022-12-22 | Numerical control machine tool for flange machining |
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CN202211658274.0A CN115771032A (en) | 2022-12-22 | 2022-12-22 | Numerical control machine tool for flange machining |
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CN202211658274.0A Pending CN115771032A (en) | 2022-12-22 | 2022-12-22 | Numerical control machine tool for flange machining |
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- 2022-12-22 CN CN202211658274.0A patent/CN115771032A/en active Pending
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