CN117358957B - Lathe for pipe fitting machining - Google Patents

Lathe for pipe fitting machining Download PDF

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Publication number
CN117358957B
CN117358957B CN202311677785.1A CN202311677785A CN117358957B CN 117358957 B CN117358957 B CN 117358957B CN 202311677785 A CN202311677785 A CN 202311677785A CN 117358957 B CN117358957 B CN 117358957B
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CN
China
Prior art keywords
positioning
pipe fitting
wall
connecting disc
rods
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Active
Application number
CN202311677785.1A
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Chinese (zh)
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CN117358957A (en
Inventor
苗德权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai Longhui Metal Products Co ltd
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Yantai Longhui Metal Products Co ltd
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Priority to CN202311677785.1A priority Critical patent/CN117358957B/en
Publication of CN117358957A publication Critical patent/CN117358957A/en
Application granted granted Critical
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B5/00Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B5/08Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Gripping On Spindles (AREA)

Abstract

The application relates to a lathe is used in pipe fitting processing, the application relates to lathe processing's technical field, it includes the bed body, be equipped with the three-jaw chuck that is used for centre gripping pipe fitting on the bed body and be used for processing the cutter of pipe fitting, the centre bore has been seted up to the chuck body central point of three-jaw chuck, three-jaw chuck intermediate position is provided with the chucking subassembly that is located between the three movable jaw, the chucking subassembly includes the spliced pole, the connection pad, a plurality of bracing pieces, the spliced pole passes centre bore and chuck body coupling, chuck body one end fixed connection is kept away from with the spliced pole to the connection pad, the cavity has been seted up in the connection pad, a plurality of bracing pieces stretch into in the cavity from the connection pad outer wall, a plurality of bracing pieces are located one side in the cavity all is provided with the connection rack, the cavity internal rotation of connection pad is connected with a plurality of connecting gears with the connection rack one-to-one. The ends of the supporting rods on the clamping assembly are abutted against the inner wall of the pipe fitting to support the inner pipe wall of the pipe fitting, so that the possibility of deformation in the process of clamping the pipe fitting with thin pipe wall is reduced.

Description

Lathe for pipe fitting machining
Technical Field
The application relates to the technical field of lathe machining, in particular to a lathe for machining a pipe fitting.
Background
The pipe fittings are the general names of parts with the functions of connection, control, diversion, sealing, support and the like in a pipeline system, the steel pipe fittings are pressure-bearing pipe fittings, and are divided into four main types according to different processing technologies, namely butt welding pipe fittings, socket welding pipe fittings, threaded pipe fittings and flange pipe fittings.
The related art can refer to the chinese patent with the publication number CN219616711U and discloses a lathe, which comprises a machine body, wherein the machine body is provided with a processing space, the machine body is provided with a driving mechanism and a cutter mechanism, the driving mechanism comprises a spindle penetrating through and rotating to be connected with the machine body and a chuck fixedly connected with the spindle, the chuck is positioned in the processing space, the machine body is also connected with a protective cover for covering the processing space in a sliding manner, the hollow inside of the spindle is communicated with the inner side area of the chuck, the machine body is provided with a fan, and the output end of the fan is communicated with the hollow inside of the spindle.
To the relevant technique among the above-mentioned, when handling to the pipe fitting that the pipe diameter is big and the pipe wall is thin, carry out the centre gripping fixedly to the outer wall of pipe fitting through the chuck, the chuck is exerted force to the pipe fitting outer wall and is made the pipe fitting deformation easily, influences product quality.
Disclosure of Invention
In order to reduce the possibility of deformation in the process of clamping a pipe with a thin pipe wall, the application provides a lathe for pipe machining.
The application provides a lathe for pipe fitting processing adopts following technical scheme:
the lathe for machining the pipe fitting comprises a lathe body, a three-jaw chuck for clamping the pipe fitting and a cutter for machining the pipe fitting are arranged on the lathe body, a central hole is formed in the central position of the chuck body of the three-jaw chuck, a clamping assembly located between three movable jaws is arranged at the middle position of the three-jaw chuck, the clamping assembly comprises a connecting column, a connecting disc and a plurality of supporting rods, the connecting column penetrates through the central hole and is connected with the chuck body, the connecting disc is fixedly connected with the connecting column far away from one end of the chuck body, a cavity is formed in the connecting disc, a plurality of supporting rods extend into the cavity from the outer wall of the connecting disc, connecting racks are arranged on one side of the supporting rods located in the cavity, and a plurality of connecting gears in one-to-one correspondence with the connecting racks are connected in the cavity of the connecting disc in a rotating mode.
Through adopting above-mentioned technical scheme, carry out the centre gripping fixedly with the pipe fitting outer wall through three-jaw chuck, the chucking subassembly is located the pipe fitting, rotates connecting gear, drives the bracing piece to keeping away from the connection pad orientation with connecting gear engagement's connecting rack and removes, until the tip and the inner wall butt of pipe fitting of bracing piece, the tip and the inner wall butt of pipe fitting of a plurality of bracing pieces on the chucking subassembly support the inner tube wall of pipe fitting, reduce the possibility that takes place to warp to the thin pipe fitting centre gripping in-process of pipe fitting wall.
Optionally, a plurality of connecting racks on the bracing piece are located same one side, the cavity rotation of connection pad is connected with the connection ring gear, the outer wall of connection ring gear is provided with the external tooth, connection ring gear meshes with all connection gears.
Through adopting above-mentioned technical scheme, through rotating the connection ring gear, drive the connection gear in the connection pad and rotate in step to make all bracing pieces remove in step.
Optionally, the lifter is worn to be equipped with in connection pad one side of keeping away from the spliced pole, the lifter rotates with the connection pad to be connected, the lifter is coaxial fixed connection with the connection ring gear.
Through adopting above-mentioned technical scheme, through rotating the dwang, conveniently make the connection pad rotate.
Optionally, a plurality of locating holes have been seted up to dwang outer wall circumference equidistance, set up the constant head tank that corresponds with the locating hole position on the dwang on the connection pad, the connection pad internal fixation is provided with the locating plate that is located the constant head tank, the constant head tank internal activity of connection pad is provided with the movable block, the movable block is located the locating plate and keeps away from the constant head tank of dwang one side, the movable block is provided with the locating lever with the locating hole adaptation near locating plate one side, the locating lever passes the locating plate and with locating plate sliding connection, be provided with the moving part that promotes the locating lever to the locating hole direction on the connection pad.
Through adopting above-mentioned technical scheme, when the dwang rotates to suitable position, the tip and the pipe fitting inner wall butt of bracing piece are through moving the piece with the locating lever to locating hole direction promotion, insert the locating lever in the locating hole, fix the dwang, avoid carrying out the course of working to the pipe fitting, the bracing piece removes to the connection pad direction, improves the stability of chucking subassembly.
Optionally, the moving part is the carriage release lever, carriage release lever one end stretches into the constant head tank in, the tip that the carriage release lever is located the constant head tank is provided with the kicking block, the sloping has been seted up to carriage release lever one side, kicking block and sloping butt, when the kicking block removes to the carriage release lever direction, promotes the carriage release lever through the inclined plane and removes to the locating plate direction, the cover is equipped with elastic spring on the carriage release lever, elastic spring's both ends and locating plate and carriage release lever fixed connection, elastic spring breaks away from the locating hole when being natural state.
Through adopting above-mentioned technical scheme, after the bracing piece position is confirmed, with the carriage release lever to the constant head tank direction remove, the kicking block removes to the carriage release lever direction, promote the carriage release lever to the locating plate direction remove through the inclined plane, insert the locating lever in the locating hole, elastic spring receives the compression, when need adjust the carriage release lever position, remove the carriage release lever to keeping away from the constant head tank direction, the kicking block removes to keeping away from the carriage release lever direction, the elastic spring that receives the compression exerts the force of keeping away from the locating plate direction to the carriage release lever, make the carriage release lever remove to keeping away from the locating plate direction, thereby make the carriage release lever break away from the locating hole.
Optionally, a plurality of support rods are provided with support pads at the end parts of the support rods far away from the connecting disc.
Through adopting above-mentioned technical scheme, protect bracing piece tip and pipe fitting inner wall through the back-up pad, reduce the loss of bracing piece and pipe fitting inner wall.
Optionally, a plurality of the tip that the connection pad was kept away from to the bracing piece all is provided with the backup pad, a plurality of the backup pad is kept away from one side of connection pad and is provided with the cushion.
Through adopting above-mentioned technical scheme, through the backup pad increase with the area of support of pipe fitting inner wall, conveniently support the longer pipe fitting of length.
Optionally, the internal thread has been seted up to the centre bore inner wall, the external screw thread with internal thread matched with has been seted up to the spliced pole outer wall, the spliced pole passes through centre bore and chuck body threaded connection.
Through adopting above-mentioned technical scheme, spliced pole and chuck body threaded connection, conveniently dismantle the connection pad from the chuck body, maintain the change to the structural component in the connection pad.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the outer wall of the pipe fitting is clamped and fixed through the three-jaw chuck, the clamping assembly is positioned in the pipe fitting, the connecting gear is rotated, the connecting rack meshed with the connecting gear drives the supporting rods to move away from the connecting disc until the end parts of the supporting rods are abutted with the inner wall of the pipe fitting, the end parts of a plurality of supporting rods on the clamping assembly are abutted with the inner wall of the pipe fitting, the inner pipe wall of the pipe fitting is supported, and the possibility of deformation in the clamping process of the pipe fitting with thin pipe wall is reduced;
2. when the dwang rotates to suitable position, the tip and the pipe fitting inner wall butt of bracing piece are through moving the piece with the locating lever to locating hole direction promotion, insert the locating lever in the locating hole, fix the dwang, avoid carrying out the course of working to the pipe fitting, the bracing piece removes to the connection pad direction, improves the stability of chucking subassembly.
Drawings
Fig. 1 is a schematic overall structure of the first embodiment.
Fig. 2 is a schematic diagram showing the connection relationship between the chuck body and the chucking assembly.
Fig. 3 is a schematic diagram showing a connection relationship between the connecting ring gear and the connecting gear.
Fig. 4 is a schematic view showing an internal structure of the chucking assembly.
Fig. 5 is a schematic view showing the structure of the chucking assembly in the second embodiment.
Reference numerals illustrate: 1. a bed body; 11. a cutter; 2. a three-jaw chuck; 21. a chuck body; 22. a central bore; 3. a clamping assembly; 31. a connecting column; 32. a connecting disc; 321. a connecting gear; 322. connecting a gear ring; 323. a positioning groove; 324. a positioning plate; 325. a moving block; 326. a positioning rod; 327. an elastic spring; 33. a support rod; 331. the connecting rack; 332. a support pad; 333. a support plate; 334. a soft cushion; 4. a rotating lever; 41. positioning holes; 5. a moving rod; 51. and (5) a top block.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Embodiment one:
the embodiment of the application discloses a lathe for pipe fitting machining.
Referring to fig. 1, a lathe for machining a pipe includes a bed 1, and a three-jaw chuck 2 for clamping the pipe and a tool 11 for machining the pipe are mounted on the bed 1. The outer wall of the pipe fitting is clamped by the three-jaw chuck 2, and the cutter 11 processes the outer wall or the inner wall of the pipe fitting.
Referring to fig. 2 and 3, a clamping assembly 3 is installed at the middle of the three-jaw chuck 2 between three movable jaws, and the clamping assembly 3 includes a connection post 31, a connection disc 32, and a plurality of support rods 33, preferably three support rods 33. The internal thread has been seted up to the centre bore 22 inner wall, and the external screw thread with internal screw thread matched with has been seted up to spliced pole 31 outer wall, and spliced pole 31 passes through centre bore 22 and chuck body 21 threaded connection, and spliced pole 31 and chuck body 21 threaded connection conveniently dismantle connection pad 32 from chuck body 21, maintain the change to the structural component in the connection pad 32. The connecting disc 32 is fixedly connected with one end of the connecting column 31, which is far away from the chuck body 21, a cavity is formed in the connecting disc 32, a plurality of supporting rods 33 extend into the cavity from the outer wall of the connecting disc 32, connecting racks 331 are arranged on one side of the plurality of supporting rods 33, which is located in the cavity, and a plurality of connecting gears 321 which are in one-to-one correspondence with the connecting racks 331 are rotationally connected in the cavity of the connecting disc 32. The clamping assembly is located in the pipe fitting, the connecting gear 321 is rotated, the connecting rack 331 meshed with the connecting gear 321 drives the supporting rods 33 to move away from the connecting disc 32 until the end parts of the supporting rods 33 are abutted with the inner wall of the pipe fitting, the end parts of the plurality of supporting rods 33 on the clamping assembly 3 are abutted with the inner wall of the pipe fitting, the inner pipe wall of the pipe fitting is supported, and the possibility of deformation in the pipe fitting clamping process of thin pipe walls is reduced.
Referring to fig. 3 and 4, the connection racks 331 on the plurality of support rods 33 are located at the same side, the connection gear rings 322 are rotatably connected in the cavities of the connection discs 32, external teeth are mounted on the outer walls of the connection gear rings 322, and the connection gear rings 322 are engaged with all the connection gears 321. The connecting disc 32 is worn to be equipped with dwang 4 far away from spliced pole 31 one side, dwang 4 and connecting disc 32 rotation are connected, dwang 4 and the coaxial fixed connection of connection ring gear 322. By rotating the rotating rod 4, the connecting disc 32 is rotated, and the connecting gears 321 in the connecting disc 32 are driven to synchronously rotate, so that all the supporting rods 33 synchronously move, and the inner wall of the pipe is supported.
Referring to fig. 2, the end portions of the support rods 33 far from the connecting disc 32 are provided with support pads 332, and the support pads 332 protect the end portions of the support rods 33 and the inner walls of the pipe fittings, so that the loss of the support rods 33 and the inner walls of the pipe fittings is reduced.
Referring to fig. 3 and 4, a plurality of positioning holes 41 are circumferentially and equidistantly formed in the outer wall of the rotating rod 4, positioning grooves 323 corresponding to the positions of the positioning holes 41 in the rotating rod 4 are formed in the connecting disc 32, positioning plates 324 located in the positioning grooves 323 are fixedly arranged in the connecting disc 32, moving blocks 325 are movably arranged in the positioning grooves 323 of the connecting disc 32, the moving blocks 325 are located in the positioning grooves 323 on one side, away from the rotating rod 4, of the positioning plates 324, positioning rods 326 matched with the positioning holes 41 are arranged on one side, close to the positioning plates 324, of the moving blocks 325, the positioning rods 326 penetrate through the positioning plates 324 and are in sliding connection with the positioning plates 324, and moving pieces pushing the positioning rods 326 to the positioning holes 41 are arranged on the connecting disc 32. When the rotating rod 4 rotates to a proper position, the end part of the supporting rod 33 is abutted against the inner wall of the pipe fitting, the positioning rod 326 is pushed to the direction of the positioning hole 41 through the moving part, the positioning rod 326 is inserted into the positioning hole 41, the rotating rod 4 is fixed, the supporting rod 33 is prevented from moving to the direction of the connecting disc 32 in the processing process of the pipe fitting, and the stability of the clamping assembly 3 is improved.
Referring to fig. 3 and 4, the moving member is a moving rod 5, one end of the moving rod 5 extends into a positioning groove 323, an end portion of the moving rod 5 located in the positioning groove 323 is fixedly connected with a top block 51, one side of the moving block 325, which is close to the moving rod 5, is provided with an inclined surface, the top block 51 is in contact with the inclined surface, when the top block 51 moves towards the moving block 325, the moving block 325 is pushed to move towards the positioning plate 324 through the inclined surface, an elastic spring 327 is sleeved on the positioning rod 326, two ends of the elastic spring 327 are fixedly connected with the positioning plate 324 and the moving block 325, and when the elastic spring 327 is in a natural state, the positioning rod 326 is separated from the positioning hole 41. When the position of the support rod 33 is determined, the moving rod 5 is moved in the direction of the positioning groove 323, the top block 51 is moved in the direction of the moving block 325, the moving block 325 is pushed by the inclined surface to move in the direction of the positioning plate 324, the positioning rod 326 is inserted into the positioning hole 41, the elastic spring 327 is compressed, when the position of the positioning rod 326 needs to be adjusted, the moving rod 5 is moved in the direction away from the positioning groove 323, the top block 51 is moved in the direction away from the moving block 325, the compressed elastic spring 327 applies a force to the moving block 325 in the direction away from the positioning plate 324, and the moving block 325 is moved in the direction away from the positioning plate 324, so that the positioning rod 326 is separated from the positioning hole 41.
The implementation principle of the lathe for pipe fitting machining in the embodiment of the application is as follows: the outer wall of the pipe fitting is clamped and fixed through the three-jaw chuck 2, the clamping assembly is positioned in the pipe fitting, the rotating rod 4 is rotated, the connecting disc 32 is rotated, the connecting gear 321 in the connecting disc 32 is driven to synchronously rotate, and therefore all the supporting rods 33 synchronously move until the end parts of the supporting rods 33 are abutted against the inner wall of the pipe fitting, the end parts of a plurality of supporting rods 33 on the clamping assembly 3 are abutted against the inner wall of the pipe fitting, the inner pipe wall of the pipe fitting is supported, and the possibility of deformation in the pipe fitting clamping process of thin pipe fitting walls is reduced.
Embodiment two:
referring to fig. 5, the second embodiment is different from the first embodiment in that a support plate 333 is installed at an end of the support rod 33 remote from the connection disc 32, and a cushion 334 is fixedly connected to a side of the plurality of support plates 333 remote from the connection disc 32. The support area with the inner wall of the pipe fitting is increased through the support plate 333, so that the pipe fitting with longer length is conveniently supported. The cushion 334 protects the ends of the support rods 33 and the inner walls of the tube, reducing the wear of the support rods 33 and the inner walls of the tube.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (4)

1. Lathe for pipe fitting processing, including the bed body (1), be equipped with on the bed body (1) and be used for centre gripping pipe fitting three-jaw chuck (2) and be used for processing cutter (11) of pipe fitting, its characterized in that: the three-jaw chuck is characterized in that a central hole (22) is formed in the central position of a chuck body (21) of the three-jaw chuck (2), a clamping assembly (3) positioned between three movable jaws is arranged at the middle position of the three-jaw chuck (2), the clamping assembly (3) comprises a connecting column (31), a connecting disc (32) and a plurality of supporting rods (33), the connecting column (31) penetrates through the central hole (22) to be connected with the chuck body (21), the connecting disc (32) and the connecting column (31) are fixedly connected with one end of the chuck body (21), a cavity is formed in the connecting disc (32), a plurality of supporting rods (33) extend into the cavity from the outer wall of the connecting disc (32), connecting racks (331) are arranged on one side of the connecting rods (33) positioned in the cavity, a plurality of connecting gears (321) corresponding to the connecting racks (331) in a rotating mode, the connecting rods (331) are positioned on the same side, connecting gear rings (322) are connected in a rotating mode in the cavity of the connecting rods (32), the connecting racks (322) are arranged on the outer wall of the connecting rods (321) and are meshed with the connecting racks (32), the rotary rod (4) is rotationally connected with the connecting disc (32), the rotary rod (4) is coaxially and fixedly connected with the connecting gear ring (322), a plurality of positioning holes (41) are circumferentially equidistant on the outer wall of the rotary rod (4), positioning grooves (323) corresponding to the positioning holes (41) on the rotary rod (4) are formed in the connecting disc (32), positioning plates (324) positioned in the positioning grooves (323) are fixedly arranged in the connecting disc (32), moving blocks (325) are movably arranged in the positioning grooves (323) of the connecting disc (32), the moving blocks (325) are positioned in the positioning grooves (323) on one side, far away from the rotary rod (4), positioning rods (326) matched with the positioning holes (41) are arranged on one side, which is close to the positioning plates (324), of the moving blocks (325) penetrate through the positioning plates (324) and are in sliding connection with the positioning plates (324), moving pieces for pushing the positioning rods (326) to the positioning holes (41) are arranged on the connecting disc (32), moving pieces in the moving directions of the positioning plates (323) are arranged at one ends (5), the moving pieces (323) extend into the end portions (5) of the moving pieces (5), the movable block (325) is close to one side of the movable rod (5) and is provided with an inclined plane, the top block (51) is abutted to the inclined plane, when the top block (51) moves towards the movable block (325), the movable block (325) is pushed to move towards the positioning plate (324) through the inclined plane, an elastic spring (327) is sleeved on the positioning rod (326), two ends of the elastic spring (327) are fixedly connected with the positioning plate (324) and the movable block (325), and when the elastic spring (327) is in a natural state, the positioning rod (326) is separated from the positioning hole (41).
2. A lathe for machining a pipe according to claim 1, wherein: the end parts of the supporting rods (33) far away from the connecting disc (32) are respectively provided with a supporting pad (332).
3. A lathe for machining a pipe according to claim 1, wherein: the end parts of the support rods (33) far away from the connecting disc (32) are respectively provided with a support plate (333), and one side of the support plates (333) far away from the connecting disc (32) is provided with a soft cushion (334).
4. A lathe for machining a pipe according to claim 1, wherein: the inner wall of the central hole (22) is provided with an internal thread, the outer wall of the connecting column (31) is provided with an external thread matched with the internal thread, and the connecting column (31) is in threaded connection with the chuck body (21) through the central hole (22).
CN202311677785.1A 2023-12-08 2023-12-08 Lathe for pipe fitting machining Active CN117358957B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311677785.1A CN117358957B (en) 2023-12-08 2023-12-08 Lathe for pipe fitting machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311677785.1A CN117358957B (en) 2023-12-08 2023-12-08 Lathe for pipe fitting machining

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CN117358957A CN117358957A (en) 2024-01-09
CN117358957B true CN117358957B (en) 2024-02-13

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CN118023853A (en) * 2024-02-28 2024-05-14 山东沪金精工科技股份有限公司 Internal support clamp for processing internal spherical surface of differential shell and production process

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