CN-224223664-U - Clamping tool for impeller machining

Abstract

The utility model discloses a clamping tool for impeller machining, which comprises a mounting plate, wherein an air cylinder is arranged on one side of the mounting plate, a sleeve is fixedly sleeved in the mounting plate, the device can lead an inserted link to be separated from a jack by pulling a conical plug after an impeller is sleeved with the sleeve, a limit block can rapidly complete ninety-degree overturning on a pin shaft, the limit block is matched with air cylinder shrinkage to realize rapid pre-clamping of the impeller, the clamping efficiency is greatly improved, the problem of complicated operation of the traditional clamp is solved, meanwhile, an adjustable clamping block structure is adopted, a movable nut is driven by an adjusting bolt to realize flexible sliding of the clamping block along a through groove, the clamping block is pulled and rotated to be clamped with the impeller under the action of a spring, the distribution angle of different impeller blades is effectively adapted, the clamping blind area caused by blade interference is avoided, the device ensures the rapidness and the stability of the clamping process, and the wide compatibility of the layout of the impeller blades is realized.

Inventors

• HUANG LIANGJUN

Assignees

• 威耐科精密制造(浙江)有限公司

Dates

Publication Date

20260512

Application Date

20250521

Claims (4)

1. 1. The clamping tool for impeller machining comprises a mounting plate (1) and is characterized in that an air cylinder (2) is arranged on one side of the mounting plate (1), a sleeve (3) is fixedly sleeved in the mounting plate (1), and a limiting mechanism (4) is arranged at the telescopic end of the air cylinder (2); Stop gear (4) are including round bar (401), square groove (402) have been seted up to the inside of round bar (401), round bar (401)'s inside has been cup jointed round pin axle (403), round pin axle (403)'s surface is connected with stopper (404) through the bearing rotation, round bar (401) one end slip cap has inserted bar (405), inserted bar (405) one end fixedly connected with toper end cap (406), second round groove (407) have been seted up to the inside of round bar (401), annular piece (408) have been cup jointed to the fixed surface of inserted bar (405), the inside and annular piece (408) sliding connection of second round groove (407), insert bar (405)'s surface cover is equipped with second spring (409), jack (410) with inserted bar (405) looks adaptation are seted up to the one end of stopper (404), the one end fixedly connected with fixation nut (411) of round bar (401), the flexible end and the fixation nut (411) of cylinder (2) threaded connection.
2. 2. The clamping tool for impeller machining according to claim 1, wherein three tangential planes (5) are formed in the surface of the mounting plate (1), three T-shaped grooves (6) are formed in the mounting plate (1), through grooves (7) are formed in the surface of the tangential planes (5), movable nuts (8) are slidably connected in the T-shaped grooves (6), adjusting bolts (9) are sleeved in the through grooves (7), and one ends of the adjusting bolts (9) are in threaded connection with the movable nuts (8).
3. 3. The clamping tool for impeller machining according to claim 2, wherein a clamping block (10) is sleeved on the surface of the adjusting bolt (9), a first spring (12) is sleeved on the surface of the adjusting bolt (9), a first circular groove (11) matched with the first spring (12) is formed in the surface of the clamping block (10), and two clamping grooves (13) are formed in the inner side of the clamping block (10).
4. 4. The clamping tool for impeller machining according to claim 1, wherein four mounting bolts (14) are sleeved in the cylinder (2), and one end of each mounting bolt (14) is in threaded connection with the mounting disc (1).

Description

Clamping tool for impeller machining Technical Field The utility model belongs to the technical field of impeller machining clamping tools, and particularly relates to a clamping tool for impeller machining. Background The impeller is a rotating part with blades or flow channels, and is widely applied to fluid machinery, and is mainly used for transferring energy, conveying media or realizing conversion between fluid and mechanical energy. At present, the utility model of China with the publication number of CN205074558U discloses an impeller clamping tool, which comprises a three-jaw chuck, an aluminum block and a hydraulic thimble, wherein one side of the three-jaw chuck is the aluminum block, the other side of the aluminum block is the hydraulic thimble, the three-jaw chuck comprises a chassis and three movable jaws with the same structure, one end of the movable jaw, which is positioned at the center of the chassis, is provided with a boss, the outer edge of the boss is a clamping surface, the clamping surface is a cylindrical surface, the aluminum block is cylindrical, the center of a first plane of the aluminum block is provided with a cylindrical groove, the center of a second plane is provided with a cylindrical bump, the center of the cylindrical bump is provided with a conical groove, the hydraulic thimble comprises a hydraulic cylinder and a thimble, the hydraulic cylinder is connected with the thimble through a hydraulic rod, the thimble abuts against the conical groove, the clamping surface of the movable jaw is accurately attached to the inner circle of the impeller, vibration and deformation of the impeller are avoided in the processing process, the installation is simple, the fixing is firm, the positioning is accurate, and the processing is convenient, and the production efficiency is improved. The traditional clamping fixture adopts a fixed clamping jaw and bolt compressing structure, has low clamping efficiency and poor adaptability, is difficult to realize quick pre-positioning, and because impeller blades are different in distribution angle, a fixed clamping jaw is easy to interfere with the blades, so that effective positioning cannot be realized. Disclosure of utility model The utility model aims to provide a clamping tool for impeller machining, which solves the problems that the prior art provides a traditional clamping tool which commonly adopts a fixed clamping jaw or bolt compressing structure, has low clamping efficiency and poor adaptability, is difficult to realize quick pre-positioning, and is difficult to interfere with blades due to different distribution angles of the impeller blades, so that the effective positioning cannot be realized. The technical aim of the utility model is achieved by the following technical scheme that the clamping tool for impeller processing comprises a mounting plate, wherein one side of the mounting plate is provided with a cylinder, the inside of the mounting plate is fixedly sleeved with a sleeve, and the telescopic end of the cylinder is provided with a limiting mechanism; The utility model provides a stop gear, including the round bar, square groove has been seted up to the inside of round bar, the round bar's inside has cup jointed the round pin axle, the surface of round pin axle is connected with the stopper through the bearing rotation, the one end slip cap of round bar is equipped with the inserted bar, the one end fixedly connected with toper end cap of inserted bar, the second round groove has been seted up to the inside of round bar, the fixed surface of inserted bar has cup jointed the annular piece, the inside and the annular piece sliding connection of second round groove, the surface cover of inserted bar is equipped with the second spring, the jack with the inserted bar looks adaptation has been seted up to the one end of stopper, the one end fixedly connected with fixation nut of round bar, the flexible end and the fixation nut threaded connection of cylinder. Preferably, the surface of the mounting plate is provided with three tangential planes, the inside of the mounting plate is provided with three T-shaped grooves, the surface of the tangential plane is provided with a through groove, the inside of the T-shaped groove is slidably connected with a movable nut, the inside of the through groove is sleeved with an adjusting bolt, and one end of the adjusting bolt is in threaded connection with the movable nut. Preferably, the surface of the adjusting bolt is sleeved with a clamping block, the surface of the adjusting bolt is sleeved with a first spring, a first round groove matched with the first spring is formed in the surface of the clamping block, and two clamping grooves are formed in the inner side of the clamping block. Preferably, four mounting bolts are sleeved in the cylinder, and one ends of the mounting bolts are in threaded connection with the mounting disc. In summary, the utility model has the following beneficial