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CN-121989072-A - Positioning tool and machining method for machining of compressor shell machine tool

CN121989072ACN 121989072 ACN121989072 ACN 121989072ACN-121989072-A

Abstract

The invention relates to the technical field of compressor machining, and discloses a positioning tool and a machining method for machining a compressor shell machine tool, wherein the positioning tool comprises a platform and a machining assembly arranged at the right end of the top surface of the platform, the top surface of the platform is transversely and slidably connected with a mounting table through an electric sliding rail, a shell is fixedly arranged on the top surface of the mounting table, the right side wall of the shell is provided with a rotary table in a penetrating manner through a bearing, the right side surface of the shell is slidably connected with a plurality of arm levers at equal angles along the radial direction of the rotary table, the positioning tool for machining the compressor shell machine tool integrates clamping and positioning, circumferential angle adjustment and cleaning and drying functions after machining, the limitation that the traditional positioning tool can only be singly fixed is thoroughly changed, the shell is not required to be dismounted for repositioning for many times in the machining process, meanwhile, flushing and drying operations can be realized through the same tool, the operation flow is greatly simplified, the procedure switching time is shortened, and the whole machining efficiency is remarkably improved.

Inventors

  • TAN BI
  • WANG CHENGYUAN
  • LIU YANLIN
  • ZHANG FAN

Assignees

  • 湖北中铤五金制品有限公司

Dates

Publication Date
20260508
Application Date
20260313

Claims (9)

  1. 1. The utility model provides a location frock of compressor housing lathe processing, includes platform (1) and its top surface right-hand member is provided with processing subassembly (2), its characterized in that: The top surface of the platform (1) is transversely and slidably connected with an installation table (3) through an electric sliding rail, a shell (4) is fixedly installed on the top surface of the installation table (3), a turntable (5) is arranged on the right side wall of the shell (4) in a penetrating mode through a bearing, a plurality of arm levers (6) are slidably connected on the right side surface of the shell (4) in an equal angle along the radial direction of the shell, and positioning clamping blocks (7) are fixedly installed at the right ends of the arm levers (6); the novel automatic feeding and discharging device is characterized in that a pushing mechanism for moving the arm rod (6) is arranged on the casing (4), a driving mechanism for rotating the rotary table (5) is arranged on the casing (4), a feeding and discharging mechanism is arranged inside the casing (4) and connected with a conveying mechanism arranged on the pushing mechanism, the feeding and discharging mechanism is connected with a reciprocating mechanism arranged on the casing (4), and the reciprocating mechanism is connected with the driving mechanism through a unidirectional transmission mechanism.
  2. 2. The positioning tool for machining of a compressor shell machine tool according to claim 1, wherein the pushing mechanism comprises a hydraulic cylinder (8) fixedly installed on the left side face of the shell (4), an output shaft of the hydraulic cylinder (8) movably penetrates through the right side wall of the shell (4), a moving plate (9) is fixedly installed at the output shaft end of the hydraulic cylinder (8), a push-pull rod (10) penetrates through the moving plate (9) through a bearing, the push-pull rod (10) penetrates through the center of the turntable (5) in a sliding mode, a connecting seat (11) is fixedly installed at the right end of the push-pull rod (10), the connecting seat (11) is rotatably connected with one end of a connecting rod (12), and the other end of the connecting rod (12) is rotatably connected with the inner side face of the arm rod (6).
  3. 3. The positioning tool for machining of a compressor housing machine tool according to claim 2, wherein the driving mechanism comprises a motor (13) fixedly mounted on the left side face of the machine shell (4), an output shaft end of the motor (13) is connected with a rotating rod (14) in a key manner, the rotating rod (14) penetrates through the left side wall of the machine shell (4) through a bearing, a driving gear (15) is coaxially and fixedly mounted at the right end of the rotating rod (14), a toothed ring (16) is meshed with the bottom of the driving gear (15), the toothed ring (16) is fixedly mounted on the left side face of the rotary disc (5), and the axis of the toothed ring (16) is collinear with the axis of the rotary disc (5).
  4. 4. A positioning fixture for machining a compressor housing according to claim 3, characterized in that the ratio of the number of teeth of the driving gear (15) to the toothed ring (16) is 1:8.
  5. 5. A positioning tool for machining a compressor housing machine tool according to claim 3, wherein the feeding and discharging mechanism comprises a cylinder body (17) fixedly mounted on the left inner wall surface of the casing (4), a slide rod (18) is arranged on the right side wall of the cylinder body (17) in a sliding and penetrating manner, a piston (19) matched with the cylinder body (17) is fixedly mounted at the left end of the slide rod (18), a feeding pipe (20) is fixedly arranged at the left end and the right end of the side wall of the cylinder body (17) in a penetrating manner, a one-way feeding valve is arranged on the feeding pipe (20), a pumping pipe (21) is fixedly mounted at the end part of the feeding pipe (20) in a communicating manner, a water inlet pipe (22) and an air inlet pipe (23) are fixedly mounted at the upper end and the lower end of the left side of the feeding pipe (20) in a communicating manner respectively, an electromagnetic valve is arranged on the water inlet pipe (22) and the air inlet pipe (23), a discharging pipe (24) is fixedly arranged at the left end and the right end of the bottom of the cylinder body (17), and a one-way discharging valve is arranged on the discharging pipe (24), and a conveying pipe (25) is fixedly mounted at the end part of the discharging pipe (24).
  6. 6. The positioning tool for machining of a compressor housing machine tool according to claim 5, wherein the material conveying mechanism comprises a corrugated telescopic pipe (26) fixedly connected with the end part of a material conveying pipe (25), a connecting pipe (27) is fixedly connected with the right end of the corrugated telescopic pipe (26), the connecting pipe (27) is fixedly arranged on an output shaft of a hydraulic cylinder (8) through a straight rod (28), the right end of the connecting pipe (27) is connected with a through pipe (29) through a rotary sealing joint, the through pipe (29) fixedly penetrates through the center of a push-pull rod (10), the right end surface of the through pipe (29) is fixedly connected with one ends of a plurality of hoses (30), and the other ends of the hoses (30) are fixedly connected with a spray head (31) fixedly arranged on the inner side surface of an arm rod (6).
  7. 7. The positioning tool for machining of a compressor housing machine tool according to claim 5, wherein the reciprocating mechanism comprises a fixed plate (32) fixedly mounted on the top surface of the cylinder body (17), a reciprocating screw rod (33) is arranged on the fixed plate (32) in a penetrating manner through a bearing, the left end of the reciprocating screw rod (33) is connected with the left inner wall surface of the machine shell (4) through a bearing, a movable plate (34) is sleeved on the outer side of the reciprocating screw rod (33), the left side surface of the movable plate (34) is fixedly connected with the right end of the sliding rod (18), and the rotation of the reciprocating screw rod (33) is used for the reciprocating linear movement of the movable plate (34).
  8. 8. The positioning tool for machining a compressor housing according to claim 7, wherein the one-way transmission mechanism comprises a hollow tube (35) which is mounted on the left inner wall of the casing (4) through a bearing, a driven gear (36) is fixedly mounted on the outer wall surface of the hollow tube (35), the driven gear (36) is meshed with a driving gear (37) fixedly mounted on the surface of the rotating rod (14), the hollow tube (35) is positioned on the outer side of the reciprocating screw (33), the axis of the hollow tube (35) is collinear with the axis of the reciprocating screw (33), a ratchet wheel (38) is fixedly mounted on the surface of the reciprocating screw (33), the ratchet wheel (38) is positioned inside the hollow tube (35), and the ratchet wheel (38) is meshed with a pawl (39) which is connected with the inner wall surface of the hollow tube (35) through a torsion spring.
  9. 9. A machining method for machining a compressor shell by a machine tool is characterized in that the compressor shell is fixed through a movable clamping and positioning structure, the circumferential machining angle of the compressor shell is flexibly adjusted according to machining requirements, and the compressor shell is cleaned after machining is completed.

Description

Positioning tool and machining method for machining of compressor shell machine tool Technical Field The invention relates to the technical field of compressor machining, in particular to a positioning tool for machining a compressor shell machine tool and a machining method. Background The compressor is used as driven fluid machinery for lifting low-pressure gas into high-pressure gas, is core equipment in various fields such as a refrigerating system, an industrial pneumatic system and the like, the shell of the compressor is used as a key bearing and protecting part of the compressor, the sealing performance, the running stability and the service life of the compressor are directly influenced, the shell of the compressor is generally cylindrical, in the production and manufacturing process of the cylindrical shell of the compressor, a machine tool is used for completing machining after clamping and positioning through a positioning tool, but the existing positioning tool for the shell of the compressor still has certain defects, such as: The positioning tool for machining the compressor shell has the application number of CN202121009202.4, and can only realize the fixed clamping and positioning of the compressor shell without the function of rotating an adjusting angle, so that in the machining process, if the shell is required to be machined at different circumferential positions, the shell is required to be disassembled and repositioned for multiple times, the operation flow is complicated, the labor intensity is increased, the machining efficiency is influenced, meanwhile, the function is single, a cleaning mechanism after machining is lacked, impurities such as metal scraps, cutting fluid residues and greasy dirt are easy to remain on the surface of the compressor shell, and if the impurities cannot be cleaned in time, the matching precision among parts is influenced in the subsequent assembly process, even the abrasion during the running of the equipment is possibly aggravated, the overall service life and the running reliability of the compressor are reduced, and a plurality of inconveniences are brought to the subsequent production links; In view of the above, intensive studies have been conducted to provide a positioning tool and a processing method for machining a compressor housing. Disclosure of Invention The invention aims to provide a positioning tool and a processing method for processing a compressor shell machine tool, which are used for solving the problems that the existing positioning tool cannot rotate to adjust an angle and has a single function in the background art. In order to achieve the aim, the invention provides the technical scheme that the positioning tool for machining the compressor shell machine tool comprises a platform and a machining assembly arranged at the right end of the top surface of the platform; The top surface of the platform is transversely and slidably connected with an installation table through an electric sliding rail, the top surface of the installation table is fixedly provided with a shell, the right side wall of the shell is penetrated and provided with a rotary table through a bearing, the right side surface of the shell is slidably connected with a plurality of arm levers at equal angles along the radial direction of the shell, and the right ends of the arm levers are fixedly provided with positioning clamping blocks; The automatic arm lever mechanism is characterized in that a pushing mechanism for arm lever movement is arranged on the casing, a driving mechanism for rotating the turntable is arranged on the casing, a feeding mechanism is arranged in the casing and is connected with a conveying mechanism arranged on the pushing mechanism, the feeding mechanism is connected with a reciprocating mechanism arranged on the casing, and the reciprocating mechanism is connected with the driving mechanism through a unidirectional transmission mechanism. By adopting the technical scheme, the clamping and positioning of the compressor shell, the angle rotation adjustment and the cleaning integrated operation after processing are conveniently realized, the problems of complicated positioning and single function of the traditional tool are solved through the cooperation of multiple mechanisms, and the processing efficiency and the processing quality are greatly improved. As the preferable technical scheme of the invention, the pushing mechanism comprises a hydraulic cylinder fixedly arranged on the left side surface of the shell, an output shaft of the hydraulic cylinder movably penetrates through the right side wall of the shell, a movable plate is fixedly arranged at the output shaft end of the hydraulic cylinder, a push-pull rod is arranged on the movable plate in a penetrating manner through a bearing, the push-pull rod penetrates through the center of the turntable in a sliding manner, a connecting seat is fixedly arranged at the right end of the push-pul