Numerical control lathe and processing method for continuous production of automobile gear ring

Abstract

The application discloses a numerical control lathe and a machining method for continuous production of automobile gear rings, and relates to the technical field of gear ring machining. The application comprises a lathe body, a fixing assembly and an adjusting assembly. The moving clamping plate is in contact with and pressed against the connecting mounting block. The moving connecting rod is moved to release the fixed connection between the connecting mounting block and the rotating connecting column. The connecting mounting block is moved out of the rotating connecting groove. The rotating mounting plate drives the rotating mounting column to rotate, so that the side of the gear ring rough casting that is not subjected to turning is oriented towards the turning tool. The connecting mounting block is moved into the rotating connecting groove. The moving limiting rod is moved into the limiting connecting groove. The rotating connecting column is fixedly connected with the connecting mounting block. The rotating mounting plate is moved upwards. The rotating connecting column is rotated to drive the gear ring rough casting to rotate. After the outer wall of the gear ring rough casting and one side thereof are subjected to turning machining, the gear ring rough casting is automatically rotated. The side of the gear ring rough casting that is not subjected to machining is subjected to turning machining. Artificial disassembly of the gear ring rough casting for adjustment is not needed, and the working efficiency is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of gear ring processing, and in particular relates to a CNC lathe and a processing method for continuous production of automobile gear rings. Background Art

[0002] The automobile ring gear is a key component in the automobile transmission system. It is usually produced by turning a metal ring and then processing the ring teeth through gear shaping or spiral broaching.

[0003] When processing the metal ring blank of the gear ring, the blank is fixed on the fixing part of the CNC lathe, and one side and the outer wall of the metal ring blank are turned. When the other side needs to be turned, the metal ring blank needs to be manually disassembled and turned over, and then fixed so that the unturned side faces the turning tool. The manual disassembly and adjustment are inefficient, which affects the processing efficiency. The fixing parts of the metal ring blank are all special fixing structures, which are more complicated than ordinary fixing parts. When the fixing parts of the metal ring blank need to be disassembled, cleaned, maintained or replaced, the manual disassembly steps are cumbersome and inefficient, which is not conducive to the promotion of the device. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides the following technical solutions: The present invention is a CNC lathe, comprising a lathe body, a fixing assembly, and an adjustment assembly, wherein the lathe body comprises a processing box and a rotating connecting column, wherein the rotating connecting column is arranged on one side of the processing box, a rotating connecting groove is formed on the side surface of the rotating connecting column, and a plurality of limit connecting grooves are formed on the inner wall of the rotating connecting groove, wherein the fixing assembly is arranged in the processing box;

[0005] The fixing assembly includes a rotating mounting column, a plurality of extrusion fixing rods and a connecting unit, wherein the connecting unit is arranged on both sides of the rotating mounting column, the connecting unit includes a connecting mounting block, a movable linkage rod and a plurality of movable limiting rods, a plurality of extrusion movable grooves are opened around the rotating mounting column, the extrusion fixing rods are arranged in the extrusion movable grooves, the connecting mounting block is fixedly connected to the rotating mounting column, limited mounting grooves are opened on both sides and both ends of the connecting mounting block, the movable limiting rods are arranged in the limited mounting grooves, and the movable linkage rods are arranged on the side of the connecting mounting block;

[0006] The extrusion fixing rod can move along the extrusion moving groove, the moving linkage rod can move and drive the moving limiting rod to move, and when the connecting mounting block moves into the rotating connecting groove, the moving limiting rod can move into the limiting connecting groove;

[0007] The adjustment assembly includes a rotating mounting plate and a clamping unit, the clamping unit includes two movable clamping plates, the clamping units are arranged on both sides of the rotating mounting plate, the rotating mounting plate is arranged above the rotating mounting column, and the movable clamping plates are arranged on both sides of the rotating mounting plate;

[0008] The rotating mounting plate can move, the movable clamping plate can move and contact and squeeze the connecting mounting block, the movable clamping plate can drive the movable connecting rod to move, the rotating mounting plate can rotate and drive the movable clamping plate to rotate, and the movable clamping plate can drive the rotating mounting column to rotate.

[0009] Preferably, the fixed assembly further includes a rotating gear, a rotating screw, a movable collar and a rotating connecting rod, a fixed cavity is provided in the rotating mounting column, the fixed cavity is communicated with the extrusion movable groove, the rotating gear is rotatably mounted on the inner wall of the fixed cavity, the rotating screw is fixedly mounted on one side of the rotating gear, the movable collar is threadedly sleeved on the rotating gear, a plurality of extrusion connecting grooves are provided on the side of the movable collar, the extrusion fixing rod is slidably mounted in the extrusion movable groove, the extrusion fixing rod is provided with a connecting rotating groove at one end close to the rotating screw, one end of the rotating connecting rod is rotatably mounted in the extrusion connecting groove, and the other end is rotatably mounted in the connecting rotating groove.

[0010] Preferably, the fixing assembly further includes a transmission gear, a rotating circular plate and a rotating fixed threaded rod, the rotating mounting post is provided with a transmission mounting slot, the transmission mounting slot is communicated with the fixed cavity, the transmission gear is rotatably mounted in the transmission mounting slot, the transmission gear is meshed with the rotating gear, the rotating circular plate is rotatably mounted on the side of the rotating mounting post, the rotating shaft of the rotating circular plate passes through the rotating mounting post and is fixedly connected to the transmission gear, a fixed threaded hole is provided on the side of the rotating circular plate, the rotating fixed threaded rod passes through the fixed threaded hole and is threadedly engaged with the fixed threaded hole.

[0011] Preferably, the connecting unit further comprises a limiting gear, a linkage rack, a return spring and a plurality of limiting racks, the connecting mounting block is internally provided with a mounting cavity, the connecting mounting block is externally provided with a linkage mounting slot, the mounting cavity is in communication with the linkage mounting slot and the limiting mounting slot, the limiting gear is rotatably installed in the mounting cavity, the linkage rack is slidably installed in the linkage mounting slot, the moving linkage rod is fixedly installed at one end of the linkage rack, the return spring is fixedly installed at the other end of the linkage rack, the return spring is fixedly connected with the inner wall of the linkage mounting slot, the linkage rack is engaged with the rotating gear, the limiting rack is slidably installed in the limiting mounting slot, the moving limiting rod is fixedly installed at one end of the limiting rack away from the limiting gear, and the limiting rack is engaged with the limiting gear.

[0012] Preferably, the adjusting assembly further comprises a mounting moving plate, a rotating motor, a moving cylinder, a lifting mounting plate, a lifting cylinder, a lifting mounting frame, a horizontal screw rod, a horizontal sliding block and a horizontal motor, the moving cylinder is fixedly installed at one side of the machining cabinet, the output end of the moving cylinder penetrates through the machining cabinet and is fixedly connected with the lifting mounting plate, the lifting mounting frame is slidably installed at the side of the lifting mounting plate, the lifting cylinder is fixedly installed at the side of the lifting mounting plate, the output end of the lifting cylinder is fixedly connected with the lifting mounting frame, the horizontal screw rod is rotatably installed in the lifting mounting frame, the horizontal sliding block is threadedly sleeved on the horizontal screw rod, the horizontal sliding block is slidably connected with the lifting mounting frame, the horizontal motor is fixedly installed at the side of the lifting mounting frame, the driving shaft of the horizontal motor is fixedly connected with the horizontal screw rod through the lifting mounting frame, the mounting moving plate is fixedly installed at the side of the horizontal sliding block, the rotating mounting plate is rotatably installed at the bottom surface of the mounting moving plate, the rotating motor is fixedly installed at the top surface of the mounting moving plate, and the driving shaft of the rotating motor is fixedly connected with the rotating mounting plate through the mounting moving plate.

[0013] Preferably, the clamping unit further comprises a clamping mounting frame, a clamping screw rod, a clamping motor and a clamping sliding block, the clamping mounting frame is fixedly installed at both sides of the rotating mounting plate, the clamping screw rod is rotatably installed in the clamping mounting frame, two clamping sliding blocks are threadedly sleeved on the clamping screw rod, the clamping sliding blocks are slidably connected with the clamping mounting frame, the clamping motor is fixedly installed at the side of the clamping mounting frame, the driving shaft of the clamping motor is fixedly connected with the clamping screw rod through the clamping mounting frame, and the clamping sliding blocks are fixedly connected with the moving clamping plate.

[0014] Preferably, the inner profile of the rotating connecting slot is the same as the outer profile of the connecting mounting block, and the inner profile of the limiting connecting slot is the same as the outer profile of the moving limiting rod.

[0015] Preferably, an extrusion support plate is fixedly mounted on one end of the extrusion fixing rod away from the rotating screw rod.

[0016] Preferably, the horizontal screw rod is a bidirectional threaded screw rod.

[0017] A processing method for continuous production of automobile ring gears, using the above-mentioned CNC lathe, comprises the following steps:

[0018] Before processing, the connecting and mounting block is partially located in the rotating connecting groove, the movable limiting rod is located in the limiting connecting groove, the gear ring blank is sleeved on the rotating mounting column, the extrusion fixing rod moves to contact and squeeze the inner wall of the gear ring blank, the rotating connecting column rotates to drive the connecting and mounting block to rotate, the connecting and mounting block drives the rotating mounting column to rotate, the rotating mounting column drives the gear ring blank to rotate, and the lathe body performs turning processing on the outer wall and one side of the gear ring blank;

[0019] The movable link rod moves so that the movable limit rod moves into the limited connecting groove, and the rotating connecting column is fixedly connected with the connecting mounting block, and the rotating mounting plate moves upward, and the rotating connecting column rotates to drive the gear ring rough blank to rotate.

[0020] Compared with the prior art, the present invention provides a CNC lathe and a processing method for continuous production of automobile ring gears, which has the following beneficial effects:

[0021] When the gear ring is rotated, the gear wheel is rotated and the gear wheel is rotated, so that the gear wheel can move in a straight line and the gear wheel can move in a straight line, thereby the gear wheel can be rotated to move along the gear wheel track.

[0022] 2. When it is necessary to perform turning on the other side of the gear ring blank, the rotating connecting column stops rotating, the rotating mounting plate moves to the top of the rotating connecting mounting block and moves downward, the mobile clamping plate moves toward each other, the mobile clamping plate contacts and squeezes the connecting mounting block, and during the movement of the mobile clamping plate, it contacts the mobile connecting rod and drives the mobile connecting rod to move. The movement of the mobile connecting rod can make the mobile limit rod move out of the limit connecting groove; the clamping part of the gear ring blank can be quickly disassembled and installed. When the clamping part needs to be replaced, it is convenient to disassemble and replace, thereby improving work efficiency.

[0023] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0025] Figure 1 This is one of the schematic diagrams of the overall three-dimensional structure of the present invention;

[0026] Figure 2 This is one of the partial three-dimensional structural diagrams of the present invention;

[0027] Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A;

[0028] Figure 4 This is the second schematic diagram of the partial three-dimensional structure of the present invention;

[0029] Figure 5 For the present invention Figure 4 Schematic diagram of the structure at B;

[0030] Figure 6 This is the third schematic diagram of the partial three-dimensional structure of the present invention;

[0031] Figure 7 For the present invention Figure 6 Schematic diagram of the structure at C;

[0032] Figure 8 This is the fourth schematic diagram of the partial three-dimensional structure of the present invention;

[0033] Figure 9 For the present invention Figure 8 Schematic diagram of the structure at D;

[0034] Figure 10 This is the fifth partial three-dimensional structural diagram of the present invention;

[0035] Figure 11 This is the sixth schematic diagram of the partial three-dimensional structure of the present invention;

[0036] Figure 12 This is the seventh partial three-dimensional structural diagram of the present invention.

[0037] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0038] 1. Lathe body; 101. Processing box; 102. Rotating connecting column; 103. Rotating connecting groove; 2. Fixing assembly; 201. Rotating mounting column; 202. Extruding fixing rod; 203. Rotating gear; 204. Rotating screw rod; 205. Moving collar; 206. Rotating connecting rod; 207. Fixing cavity; 208. Transmission gear; 209. Rotating circular plate; 210. Rotating fixed threaded rod; 3. Adjusting assembly; 301. Rotating mounting plate; 302. Installing movable plate; 303. Rotating motor; 304. Moving cylinder; 305. Lifting Lowering mounting plate; 306, lifting cylinder; 307, lifting mounting frame; 308, horizontal screw rod; 309, horizontal sliding block; 310, horizontal motor; 4, connecting unit; 401, connecting mounting block; 402, moving connecting rod; 403, moving limiting rod; 404, limiting gear; 405, connecting rack; 406, reset spring; 407, limiting rack; 408, mounting cavity; 5, clamping unit; 501, moving clamping plate; 502, clamping mounting frame; 503, clamping screw rod; 504, clamping motor; 505, clamping sliding block. DETAILED DESCRIPTION

[0039] With reference to the drawings of the embodiments of the application, the technical solutions in the embodiments of the application will be clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0040] In the description of the application, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the application and simplify the description, and do not indicate or imply that the referred components or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the application.

[0041] Embodiment, please refer to Figure 1 Figure 12 The embodiment discloses a numerical control lathe, which comprises a lathe body 1, a fixing assembly 2 and an adjusting assembly 3, the lathe body 1 comprises a machining machine box 101 and a rotating connecting column 102, the rotating connecting column 102 is arranged on one side in the machining machine box 101, a rotating connecting groove 103 is formed in the side of the rotating connecting column 102, a plurality of limiting connecting grooves are formed in the inner wall of the rotating connecting groove 103, and the fixing assembly 2 is arranged in the machining machine box 101.

[0042] The fixing assembly 2 comprises a rotating mounting column 201, a plurality of extrusion fixing rods 202 and a connecting unit 4, the connecting unit 4 is arranged on both sides of the rotating mounting column 201, the connecting unit 4 comprises a connecting mounting block 401, a moving linkage rod 402 and a plurality of moving limiting rods 403, a plurality of extrusion moving grooves are formed in the circumference of the rotating mounting column 201, the extrusion fixing rods 202 are arranged in the extrusion moving grooves, the connecting mounting block 401 is fixedly connected with the rotating mounting column 201, limiting mounting grooves are formed in the two sides and two ends of the connecting mounting block 401, the moving limiting rods 403 are arranged in the limiting mounting grooves, and the moving linkage rod 402 is arranged on the side of the connecting mounting block 401.

[0043] The extrusion fixing rods 202 can move along the extrusion moving grooves, the moving linkage rod 402 can move and drive the moving limiting rods 403 to move, and when the connecting mounting block 401 moves into the rotating connecting groove 103, the moving limiting rods 403 can move into the limiting connecting grooves.

[0044] The adjusting assembly 3 comprises a rotating mounting plate 301 and a clamping unit 5, the clamping unit 5 comprises two moving clamping plates 501, the clamping unit 5 is arranged on both sides of the rotating mounting plate 301, the rotating mounting plate 301 is arranged above the rotating mounting column 201, and the moving clamping plates 501 are arranged on both sides of the rotating mounting plate 301.

[0045] ​The rotating mounting plate 301 can move, the movable clamping plate 501 can move and be in contact with the connecting mounting block 401 and be extruded, the movable clamping plate 501 can drive the movable connecting rod 402 to move, the rotating mounting plate 301 can rotate and drive the movable clamping plate 501 to rotate, and the movable clamping plate 501 can drive the rotating mounting column 201 to rotate;

[0046] In use, before processing, the connecting mounting block 401 is located in the rotating connecting groove 103, the movable limiting rod 403 is located in the limiting connecting groove, the rotating connecting column 102 is fixedly connected with the connecting mounting block 401, the gear ring rough blank is sleeved on the rotating mounting column 201, the movable extruding rod 202 is in contact with and extruded by the inner wall of the gear ring rough blank, the gear ring rough blank is fixed, the rotating connecting column 102 drives the connecting mounting block 401 to rotate, the connecting mounting block 401 drives the rotating mounting column 201 to rotate, and the rotating mounting column 201 drives the gear ring rough blank to rotate, and the lathe body 1 is used for turning the outer wall and one side of the gear ring rough blank.

[0047] When the other side of the gear ring rough blank needs to be turned, the rotating connecting column 102 stops rotating, the rotating mounting plate 301 moves to the upper side of the connecting mounting block 401 and moves downward, the movable clamping plate 501 moves towards the connecting mounting block 401 and is in contact with and extruded by the connecting mounting block 401, the movable clamping plate 501 is in contact with and drives the movable connecting rod 402 to move in the process of moving, and the movable connecting rod 402 can drive the movable limiting rod 403 to move out of the limiting connecting groove; the clamping piece of the gear ring rough blank can be quickly disassembled and assembled, and when the clamping piece needs to be replaced, the clamping piece can be conveniently disassembled and replaced, and the working efficiency is improved.

[0048] When the rotating mounting plate 301 moves horizontally and drives the connecting mounting block 401 to move out of the rotating connecting groove 103, the rotating mounting plate 301 drives the rotating mounting column 201 to rotate, so that the side of the gear ring rough blank which has not been turned faces the direction of the turning tool, the rotating mounting plate 301 moves horizontally and drives the connecting mounting block 401 on the other side of the rotating mounting column 201 to move into the rotating connecting groove 103, the movable clamping plate 501 moves away from the connecting mounting block 401, the movable connecting rod 402 can drive the movable limiting rod 403 to move into the limiting connecting groove, the rotating connecting column 102 is fixedly connected with the connecting mounting block 401, the rotating mounting plate 301 moves upward, and the rotating connecting column 102 drives the gear ring rough blank to rotate; after the outer wall and one side of the gear ring rough blank are turned, the gear ring rough blank is automatically rotated, the other side of the gear ring rough blank is turned, and the gear ring rough blank does not need to be manually disassembled and adjusted, so that the working efficiency is improved.

[0049] Please refer to Figure 1 - Figure 12, the fixed assembly 2 also includes a rotating gear 203, a rotating screw 204, a movable collar 205 and a rotating connecting rod 206. A fixed cavity 207 is provided in the rotating mounting column 201, and the fixed cavity 207 is communicated with the extrusion moving groove. The rotating gear 203 is rotatably mounted on the inner wall of the fixed cavity 207, and the rotating screw 204 is fixedly mounted on one side of the rotating gear 203. The movable collar 205 is threadedly sleeved on the rotating gear 203. A plurality of extrusion connecting grooves are provided on the side of the movable collar 205. The extrusion fixing rod 202 is slidably mounted in the extrusion moving groove. One end of the extrusion fixing rod 202 close to the rotating screw 204 is provided with a connecting rotating groove. One end of the rotating connecting rod 206 is rotatably mounted in the extrusion connecting groove, and the other end is rotatably mounted in the connecting rotating groove.

[0050] During use, the rotating gear 203 rotates to drive the rotating screw rod 204 to rotate, and the rotating screw rod 204 rotates to drive the movable ring 205 to move, and the movable ring 205 moves through the rotating connecting rod 206 to drive the extrusion fixed rod 202 to move along the extrusion moving groove.

[0051] See also Figure 1 - Figure 12 The fixed assembly 2 also includes a transmission gear 208, a rotating circular plate 209 and a rotating fixed threaded rod 210. The rotating mounting column 201 is provided with a transmission mounting groove, which is communicated with the fixed cavity 207. The transmission gear 208 is rotatably mounted in the transmission mounting groove. The transmission gear 208 is engaged with the rotating gear 203. The rotating circular plate 209 is rotatably mounted on the side of the rotating mounting column 201. The rotating shaft of the rotating circular plate 209 passes through the rotating mounting column 201 and is fixedly connected to the transmission gear 208. A fixed threaded hole is provided on the side of the rotating circular plate 209. The rotating fixed threaded rod 210 passes through the fixed threaded hole and is threadedly engaged with the fixed threaded hole.

[0052] When in use, the rotating fixed threaded rod 210 is pushed to rotate the rotating circular plate 209, and the rotation of the rotating circular plate 209 drives the transmission gear 208 to rotate, and the rotation of the transmission gear 208 drives the rotating gear 203 to rotate. When the extrusion fixing rod 202 squeezes the inner wall of the gear ring blank, the rotating fixed threaded rod 210 rotates, and the bottom end of the rotating fixed threaded rod 210 squeezes the rotating mounting column 201, so that the position of the rotating circular plate 209 is fixed, thereby completing the fixation of the gear ring blank.

[0053] See also Figure 1 - Figure 12, the connecting unit 4 also includes a limiting gear 404, a linkage rack 405, a return spring 406 and several limiting racks 407. A mounting cavity 408 is provided in the connecting mounting block 401, and a linkage mounting groove is provided on the side of the connecting mounting block 401. The mounting cavity 408 is communicated with the linkage mounting groove and the limiting mounting groove. The limiting gear 404 is rotatably mounted in the mounting cavity 408, and the linkage rack 405 is slidably mounted in the linkage mounting groove. The mobile linkage rod 402 is fixedly mounted on one end of the linkage rack 405, and the return spring 406 is fixedly mounted on the other end of the linkage rack 405. The return spring 406 is fixedly connected to the inner wall of the linkage mounting groove, the linkage rack 405 is meshed with the rotating gear 203, the limiting rack 407 is slidably mounted in the limiting mounting groove, the mobile limiting rod 403 is fixedly mounted on one end of the limiting rack 407 away from the limiting gear 404, and the limiting rack 407 is meshed with the limiting gear 404;

[0054] During use, the moving linkage rod 402 moves to drive the linkage rack 405 to move, the linkage rack 405 moves to drive the limit gear 404 to rotate, the limit gear 404 rotates to drive the limit rack 407 to move, the limit rack 407 drives the moving limit rod 403 to move, and the reset spring 406 can make the linkage rack 405 move and reset.

[0055] See also Figure 1 - Figure 12 , the adjustment component 3 also includes a mounting movable plate 302, a rotating motor 303, a movable cylinder 304, a lifting mounting plate 305, a lifting cylinder 306, a lifting mounting frame 307, a horizontal screw rod 308, a horizontal sliding block 309 and a horizontal motor 310. The movable cylinder 304 is fixedly mounted on one side of the processing machine box 101, and the output end of the movable cylinder 304 passes through the processing machine box 101 and is fixedly connected to the lifting mounting plate 305. The lifting mounting frame 307 is slidably mounted on the side of the lifting mounting plate 305. The lifting cylinder 306 is fixedly mounted on the side of the lifting mounting plate 305. The output end of the lifting cylinder 306 is fixedly connected to the lifting mounting frame 307. The horizontal screw rod 308 The horizontal sliding block 309 is threadedly mounted on the horizontal screw rod 308, and the horizontal sliding block 309 and the lifting mounting frame 307 are slidably matched. The horizontal motor 310 is fixedly mounted on the side of the lifting mounting frame 307, and the driving shaft of the horizontal motor 310 passes through the lifting mounting frame 307 and is fixedly connected to the horizontal screw rod 308. The mounting plate 302 is fixedly mounted on the side of the horizontal sliding block 309, and the rotating mounting plate 301 is rotatably mounted on the bottom surface of the mounting plate 302. The rotating motor 303 is fixedly mounted on the top surface of the mounting plate 302, and the driving shaft of the rotating motor 303 passes through the mounting plate 302 and is fixedly connected to the rotating mounting plate 301.

[0056] During use, the moving cylinder 304 drives the lifting mounting plate 305 to move horizontally back and forth, the lifting cylinder 306 drives the lifting mounting frame 307 to move vertically, the horizontal motor 310 drives the horizontal screw rod 308 to rotate, the rotation of the horizontal screw rod 308 drives the horizontal sliding block 309 to move horizontally left and right, the horizontal slider drives the installation moving plate 302 to move, and the rotating motor 303 drives the rotating mounting plate 301 to rotate.

[0057] See also Figure 1 - Figure 12 The clamping unit 5 also includes a clamping mounting frame 502, a clamping screw 503, a clamping motor 504 and a clamping sliding block 505. The clamping mounting frame 502 is fixedly mounted on both sides of the rotating mounting plate 301, and the clamping screw 503 is rotatably mounted in the clamping mounting frame 502. Two clamping sliding blocks 505 are threadedly sleeved on the clamping screw 503. The clamping sliding blocks 505 slide in cooperation with the clamping mounting frame 502. The clamping motor 504 is fixedly mounted on the side of the clamping mounting frame 502. The driving shaft of the clamping motor 504 passes through the clamping mounting frame 502 and is fixedly connected to the clamping screw 503. The clamping sliding blocks 505 are fixedly connected to the movable clamping plate 501.

[0058] During use, the clamping motor 504 drives the clamping screw 503 to rotate, and the rotation of the clamping screw 503 drives the clamping sliding block 505 to move, and the movement of the clamping sliding block 505 drives the movable clamping plate 501 to move.

[0059] See also Figure 1 - Figure 12 The inner contour of the rotating connecting groove 103 is the same as the outer contour of the connecting mounting block 401 , and the inner contour of the limiting connecting groove is the same as the outer contour of the movable limiting rod 403 .

[0060] See also Figure 1 - Figure 12 , an extrusion support plate is fixedly installed on one end of the extrusion fixing rod 202 away from the rotating screw rod 204;

[0061] When in use, the top surface of the extrusion support plate is a rough surface, which increases the friction with the inner wall of the gear ring rough blank and improves the fixing effect.

[0062] See also Figure 1 - Figure 12 , the horizontal screw rod 308 is a bidirectional threaded screw rod.

[0063] A processing method for continuous production of automobile ring gears, using the above-mentioned CNC lathe, comprises the following steps:

[0064] Before machining, the connecting and mounting block 401 is partially located in the rotating connecting groove 103, the movable limiting rod 403 is located in the limiting connecting groove, the rough ring gear is sleeved on the rotating mounting column 201, the extrusion fixing rod 202 moves to contact and squeeze the inner wall of the rough ring gear, the rotating connecting column 102 rotates to drive the connecting and mounting block 401 to rotate, the connecting and mounting block 401 drives the rotating mounting column 201 to rotate, the rotating mounting column 201 rotates to drive the rough ring gear, and the lathe body 1 performs turning machining on the outer wall and one side of the rough ring gear.

[0065] When the other side of the gear ring rough blank needs to be turned, the rotating connecting column 102 stops rotating, the rotating mounting plate 301 moves to the top of the rotating connecting mounting block 401 and moves downward, the mobile clamping plate 501 moves toward each other, the mobile clamping plate 501 contacts and squeezes the connecting mounting block 401, and during the movement of the mobile clamping plate 501, it contacts the mobile connecting rod 402 and drives the mobile connecting rod 402 to move. The movement of the mobile connecting rod 402 can make the mobile limit rod 403 move out of the limit connecting groove. When the rotating mounting plate 301 moves horizontally and drives the connecting mounting block 401 to move out of the rotating connecting groove 103, The rotating mounting plate 301 rotates and drives the rotating mounting column 201 to rotate, so that the unturned side of the gear ring blank faces the turning tool direction, and the rotating mounting plate 301 moves horizontally to drive the connecting mounting block 401 on the other side of the rotating mounting column 201 to move into the rotating connecting groove 103, and the moving clamping plate 501 moves back to release the contact with the connecting mounting block 401. The moving connecting rod 402 moves to enable the moving limit rod 403 to move into the limit connecting groove, and the rotating connecting column 102 is fixedly connected to the connecting mounting block 401. The rotating mounting plate 301 moves upward, and the rotating connecting column 102 rotates to drive the gear ring blank to rotate.

[0066] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0067] The preferred embodiments of the invention disclosed above are intended only to help illustrate the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A CNC lathe, comprising a lathe body (1), a fixing assembly (2) and an adjusting assembly (3), characterized in that: The lathe body (1) comprises a processing box (101) and a rotating connection column (102), wherein the rotating connection column (102) is arranged on one side of the processing box (101), a rotating connection groove (103) is provided on the side of the rotating connection column (102), and a plurality of limiting connection grooves are provided on the inner wall of the rotating connection groove (103), and the fixing assembly (2) is provided in the processing box (101); The fixing assembly (2) includes a rotating mounting column (201), a plurality of extrusion fixing rods (202) and a connecting unit (4), wherein the connecting unit (4) is arranged on both sides of the rotating mounting column (201), and the connecting unit (4) includes a connecting mounting block (401), a movable linkage rod (402) and a plurality of movable limiting rods (403). The rotating mounting column (201) is provided with a plurality of extrusion movable grooves around its body, and the extrusion fixing rod (202) is arranged in the extrusion movable grooves. The connecting mounting block (401) is fixedly connected to the rotating mounting column (201), and the connecting mounting block (401) is provided with limiting mounting grooves on both sides and both ends. The movable limiting rod (403) is arranged in the limiting mounting grooves, and the movable linkage rod (402) is arranged on the side of the connecting mounting block (401); The extrusion fixing rod (202) can move along the extrusion moving groove, the moving linkage rod (402) can move and drive the moving limiting rod (403) to move, and when the connecting mounting block (401) moves into the rotating connecting groove (103), the moving limiting rod (403) can move into the limiting connecting groove; The adjustment assembly (3) comprises a rotating mounting plate (301) and a clamping unit (5), wherein the clamping unit (5) comprises two movable clamping plates (501), wherein the clamping units (5) are arranged on both sides of the rotating mounting plate (301), the rotating mounting plate (301) is arranged above the rotating mounting column (201), and the movable clamping plates (501) are arranged on both sides of the rotating mounting plate (301); The rotating mounting plate (301) is movable, the movable clamping plate (501) is movable and in contact with and pressed against the connecting mounting block (401), the movable clamping plate (501) is capable of driving the movable connecting rod (402) to move, the rotating mounting plate (301) is capable of rotating and driving the movable clamping plate (501) to rotate, and the movable clamping plate (501) is capable of driving the rotating mounting column (201) to rotate.

2. A CNC lathe according to claim 1, characterized in that: The fixing assembly (2) further comprises a rotating gear (203), a rotating screw (204), a movable collar (205) and a rotating connecting rod (206); a fixed cavity (207) is provided in the rotating mounting column (201); the fixed cavity (207) is communicated with the extrusion movable groove; the rotating gear (203) is rotatably mounted on the inner wall of the fixed cavity (207); the rotating screw (204) is fixedly mounted on one side of the rotating gear (203); the movable collar (205) is threadedly sleeved on the rotating gear (203); a plurality of extrusion connecting grooves are provided on the side of the movable collar (205); the extrusion fixing rod (202) is slidably mounted in the extrusion movable groove; a connecting rotating groove is provided at one end of the extrusion fixing rod (202) close to the rotating screw (204); one end of the rotating connecting rod (206) is rotatably mounted in the extrusion connecting groove, and the other end is rotatably mounted in the connecting rotating groove.

3. A CNC lathe according to claim 2, characterized in that: The fixing assembly (2) further comprises a transmission gear (208), a rotating circular plate (209) and a rotating fixed threaded rod (210), the rotating mounting column (201) is provided with a transmission mounting groove, the transmission mounting groove is communicated with the fixed cavity (207), the transmission gear (208) is rotatably mounted in the transmission mounting groove, the transmission gear (208) is meshed with the rotating gear (203), the rotating circular plate (209) is rotatably mounted on the side of the rotating mounting column (201), the rotating shaft of the rotating circular plate (209) passes through the rotating mounting column (201) and is fixedly connected to the transmission gear (208), the side of the rotating circular plate (209) is provided with a fixed threaded hole, the rotating fixed threaded rod (210) passes through the fixed threaded hole and is threadedly engaged with the fixed threaded hole.

4. A CNC lathe according to claim 3, characterized in that: The connecting unit (4) further comprises a limiting gear (404), a linkage rack (405), a return spring (406) and a plurality of limiting racks (407); a mounting cavity (408) is provided in the connecting mounting block (401); a linkage mounting groove is provided on the side of the connecting mounting block (401); the mounting cavity (408) is connected to the linkage mounting groove and the limiting mounting groove; the limiting gear (404) is rotatably mounted in the mounting cavity (408); the linkage rack (405) is slidably mounted in the linkage mounting groove; the movable linkage rod (402) is connected to the connecting mounting groove and the limiting mounting groove; ) is fixedly mounted on one end of the linkage rack (405), the return spring (406) is fixedly mounted on the other end of the linkage rack (405), the return spring (406) is fixedly connected to the inner wall of the linkage mounting groove, the linkage rack (405) is engaged with the rotating gear (203), the limiting rack (407) is slidably mounted in the limiting mounting groove, the movable limiting rod (403) is fixedly mounted on one end of the limiting rack (407) away from the limiting gear (404), and the limiting rack (407) is engaged with the limiting gear (404).

5. A CNC lathe according to claim 4, characterized in that: The adjustment assembly (3) further comprises a mounting movable plate (302), a rotating motor (303), a movable cylinder (304), a lifting mounting plate (305), a lifting cylinder (306), a lifting mounting frame (307), a horizontal screw rod (308), a horizontal sliding block (309) and a horizontal motor (310), wherein the movable cylinder (304) is fixedly mounted on one side of the processing machine box (101), an output end of the movable cylinder (304) passes through the processing machine box (101) and is fixedly connected to the lifting mounting plate (305), the lifting mounting frame (307) is slidably mounted on the side of the lifting mounting plate (305), the lifting cylinder (306) is fixedly mounted on the side of the lifting mounting plate (305), an output end of the lifting cylinder (306) is fixedly connected to the lifting mounting frame (307), and the horizontal screw rod (308) is rotatably mounted. In the lifting installation frame (307), the horizontal sliding block (309) is threadedly sleeved on the horizontal screw rod (308), and the horizontal sliding block (309) and the lifting installation frame (307) are slidably matched. The horizontal motor (310) is fixedly installed on the side of the lifting installation frame (307), and the driving shaft of the horizontal motor (310) passes through the lifting installation frame (307) and is fixedly connected to the horizontal screw rod (308). The installation movable plate (302) is fixedly installed on the side of the horizontal sliding block (309), and the rotating installation plate (301) is rotatably installed on the bottom surface of the installation movable plate (302). The rotating motor (303) is fixedly installed on the top surface of the installation movable plate (302), and the driving shaft of the rotating motor (303) passes through the installation movable plate (302) and is fixedly connected to the rotating installation plate (301).

6. A CNC lathe according to claim 5, characterized in that: The clamping unit (5) further comprises a clamping mounting frame (502), a clamping screw (503), a clamping motor (504) and a clamping sliding block (505), wherein the clamping mounting frame (502) is fixedly mounted on both sides of the rotating mounting plate (301), the clamping screw (503) is rotatably mounted in the clamping mounting frame (502), two clamping sliding blocks (505) are threadedly sleeved on the clamping screw (503), the clamping sliding blocks (505) are slidably matched with the clamping mounting frame (502), the clamping motor (504) is fixedly mounted on a side of the clamping mounting frame (502), a driving shaft of the clamping motor (504) passes through the clamping mounting frame (502) and is fixedly connected to the clamping screw (503), and the clamping sliding blocks (505) are fixedly connected to the movable clamping plate (501).

7. A CNC lathe according to claim 6, characterized in that: The inner contour of the rotating connection groove (103) is identical to the outer contour of the connection mounting block (401), and the inner contour of the limiting connection groove is identical to the outer contour of the movable limiting rod (403).

8. A CNC lathe according to claim 7, characterized in that: An extrusion support plate is fixedly mounted on one end of the extrusion fixing rod (202) away from the rotating screw rod (204).

9. A CNC lathe according to claim 8, characterized in that: The horizontal screw rod (308) is a bidirectional threaded screw rod.

10. A processing method for continuous production of automobile ring gears, characterized in that: Using the CNC lathe according to any one of claims 1 to 9, comprising the following steps: Before processing, the connecting and mounting block (401) is partially located in the rotating connecting groove (103), the movable limiting rod (403) is located in the limiting connecting groove, the gear ring blank is sleeved on the rotating mounting column (201), the extrusion fixing rod (202) moves to contact and squeeze the inner wall of the gear ring blank, the rotating connecting column (102) rotates to drive the connecting and mounting block (401) to rotate, the connecting and mounting block (401) drives the rotating mounting column (201) to rotate, the rotating mounting column (201) drives the gear ring blank to rotate, and the lathe body (1) performs turning processing on the outer wall and one side of the gear ring blank; When turning is required on the other side of the gear ring rough blank, the rotating connecting column (102) stops rotating, the rotating mounting plate (301) moves to the top of the rotating connecting mounting block (401) and moves downward, the moving clamping plate (501) moves toward each other, the moving clamping plate (501) contacts and squeezes the connecting mounting block (401), and the moving clamping plate (501) contacts the moving connecting rod (402) during the movement and drives the moving connecting rod (402) to move, and the movement of the moving connecting rod (402) can make the moving limit rod (403) move out of the limit connecting groove, when the rotating mounting plate (301) moves horizontally and drives the connecting mounting block (401) to move out of the rotating connecting groove (103) The rotating mounting plate (301) rotates to drive the rotating mounting column (201) to rotate, so that the unturned side of the gear ring blank faces the turning tool direction, the rotating mounting plate (301) moves horizontally to drive the connecting mounting block (401) on the other side of the rotating mounting column (201) to move into the rotating connecting groove (103), the moving clamping plate (501) moves back to release the contact with the connecting mounting block (401), the moving connecting rod (402) moves to enable the moving limit rod (403) to move into the limit connecting groove, the rotating connecting column (102) is fixedly connected to the connecting mounting block (401), the rotating mounting plate (301) moves upward, and the rotating connecting column (102) rotates to drive the gear ring blank to rotate.

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