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CN-121361000-B - Surface polishing equipment for processing transformer iron core

CN121361000BCN 121361000 BCN121361000 BCN 121361000BCN-121361000-B

Abstract

The invention relates to the technical field of polishing equipment and discloses surface polishing equipment for processing a transformer iron core, which comprises a polishing table, wherein a rotating motor is fixedly connected to the inside of the polishing table, a rotary table is fixedly connected to the driving end of the rotating motor, a U-shaped support is fixedly connected to the top of the polishing table, a first cylinder is fixedly connected to the center of the support, an interception cover is fixedly connected to the driving end of the first cylinder, a polishing assembly is arranged inside the interception cover, the polishing assembly comprises a U-shaped electric sliding rail fixedly arranged inside the interception cover, a mounting frame is fixedly connected to a sliding block of the electric sliding rail, and a second cylinder is fixedly connected to the surface of the mounting frame. According to the invention, the electric sliding rail is matched with the second air cylinder, so that the polishing rod can be attached to and walk around the outer edge of the iron core for polishing when rotating, thereby realizing polishing operation on a plurality of edges of the iron core and improving polishing efficiency.

Inventors

  • WANG QINGHU
  • ZHOU LIMIN
  • FENG JIANJIN

Assignees

  • 咸宁市丰源高科电气有限责任公司

Dates

Publication Date
20260508
Application Date
20250929

Claims (5)

  1. 1. The surface polishing equipment for machining the transformer iron core comprises a polishing table (1), wherein a rotating motor (2) is fixedly connected to the inside of the polishing table (1), a rotary table (3) is fixedly connected to the driving end of the rotating motor (2), a U-shaped support (4) is fixedly connected to the top of the polishing table (1), a first cylinder (5) is fixedly connected to the center of the support (4), an interception cover (6) is fixedly connected to the driving end of the first cylinder (5), and the surface polishing equipment is characterized in that a polishing assembly (7) is mounted in the interception cover (6), the polishing assembly (7) comprises an electric sliding rail (71) which is fixedly arranged in the U-shaped inside the interception cover (6), a mounting frame (72) is fixedly connected to a sliding block of the electric sliding rail (71), a second cylinder (73) is fixedly connected to the surface of the mounting frame (72), a fixing seat (74) which is L-shaped is fixedly connected to the driving end of the second cylinder (73), a polishing motor (75) is fixedly connected to the inner top wall of the fixing seat (74), a driving end (76) of the polishing motor (75) is fixedly connected to the driving end of the polishing motor (76), and the surface of the rotary table (8) is used for clamping a semicircular iron core (8); The polishing rod (76) comprises a plate body (7601) positioned in the interception hood (6), two sides of the plate body (7601) are respectively connected with a rotating frame (7602) through shaft rotation, the outer side wall of the rotating frame (7602) is fixedly provided with a rough polishing layer (7603) and a fine polishing layer (7604) from top to bottom, the inner side wall of the rotating frame (7602) is provided with a sliding groove, and the inside of the sliding groove is connected with a balancing weight (7605) in a sliding manner; Two sides of the top end of the plate body (7601) are respectively and fixedly connected with an elastic telescopic rod (7606), two ends of an inner rod body of the elastic telescopic rod (7606) are respectively and fixedly connected with a magnetic block (7618), clamping grooves (7607) are respectively formed in the upper side wall and the lower side wall of the rotating frame (7602), the elastic telescopic rod (7606) is positioned on a moving track of the clamping grooves (7607), and iron sheets are fixedly connected to the inner wall of the clamping grooves (7607) in an embedded mode; A groove (7608) is formed in the position, corresponding to the first elastic telescopic rod (7606), of the upper side wall of the plate body (7601), an adsorption hole (7610) is formed in the position, corresponding to the first elastic telescopic rod (7606), of the two sides of the groove (7608), a glass layer (7612) is fixedly arranged in the adsorption hole (7610), a guide rail (7609) is arranged on one side of the groove (7608), one end of the guide rail (7609) is fixedly connected with the plate body (7601), an adsorption plate (7611) made of ferromagnetic materials is slidably connected to the side wall of the guide rail (7609), and an elastic piece (7613) is fixedly connected to the opposite side of the guide rail (7609) and the adsorption plate (7611); The polishing rod (76) further comprises a first limiting rod (7614), and one end of the first limiting rod (7614) is fixedly connected with the upper side wall of the mounting frame (72); The shaft outer wall of the rotating frame (7602) is fixedly connected with a gear (7615), the polishing rod (76) further comprises an L-shaped extending plate (7616), one end of the extending plate (7616) is fixedly connected with the lower side wall of the interception cover (6), and the top end of the extending plate (7616) is fixedly connected with a toothed plate (7617).
  2. 2. The surface polishing device for machining the transformer iron core, as set forth in claim 1, characterized in that the fixture (8) comprises a plurality of placing tables (801), the placing tables (801) are fixedly installed on the upper surface of the rotating table (3) in a ring shape, a bottom plate (802) is arranged below the placing tables (801), the bottom plate (802) is located below the rotating table (3), a plurality of elastic telescopic rods (804) are fixedly connected to the lower surface of the bottom plate (802), the top ends of the elastic telescopic rods (804) penetrate through the bottom plate (802) and are fixedly connected with the rotating table (3), three groups of limiting rods (805) are fixedly connected to the upper surface of the bottom plate (802), the top ends of the three groups of limiting rods (805) penetrate through the rotating table (3), and the three groups of limiting rods (805) are sequentially attached to two ends and the outer side wall of the iron core.
  3. 3. The surface polishing device for machining the transformer core according to claim 2, wherein a plurality of extrusion rods (806) are fixedly connected to the upper surface of the bottom plate (802), and the top ends of the extrusion rods (806) penetrate through the rotary table (3) and are located below the edge of the interception cover (6).
  4. 4. The surface polishing device for machining the transformer iron core according to claim 1, wherein the clamp (8) further comprises a sliding frame (807) and a third cylinder (810) which are positioned on one side of the placing table (801), the bottom end of the sliding frame (807) is fixedly connected with the rotary table (3), the side wall of the sliding frame (807) is slidably connected with a sliding block (808), one end of the sliding block (808) is rotatably connected with a compression ring (809) through a torsion spring rotating shaft, the lower side wall of the sliding block (808) is fixedly connected with a third elastic piece (811), the bottom end of the third elastic piece (811) is fixedly connected with the rotary table (3), the third cylinder (810) is fixedly mounted on the lower side wall of the intercepting cover (6), and the driving end of the third cylinder (810) is fixedly connected with a U-shaped extrusion frame (812).
  5. 5. The surface polishing device for machining the transformer core, as set forth in claim 4, wherein the fixture (8) further comprises a fourth cylinder (813), the fourth cylinder (813) is fixedly installed on the inner top wall of the interception cover (6), the driving end of the fourth cylinder (813) is fixedly connected with a top seat (814), a connecting piece (815) is slidingly connected to the surface of the top seat (814) along the vertical direction, one end, far away from the top seat (814), of the connecting piece (815) is slidingly connected with the installation frame (72) along the vertical direction, and a plurality of pressing rods (816) are fixedly connected to the lower surface of the top seat (814).

Description

Surface polishing equipment for processing transformer iron core Technical Field The invention relates to the technical field of polishing equipment, in particular to surface polishing equipment for processing an iron core of a transformer. Background The transformer is also called as an instrument transformer, and is a generic term of a current transformer and a voltage transformer. The high voltage can be changed into low voltage and high current into small current for a measuring or protecting system, in general, the iron core is a core component of a transformer, the processing precision of the iron core often determines the quality and quality of the transformer, the laminated iron core is in a common iron core form of the current transformer, cold rolled silicon steel sheets are punched and sheared into strips along the rolling direction (namely the magnetic force line direction), the strips are stacked, the iron core of the transformer is formed by conveying and laminating the punched strips by using a vacuum chuck during lamination, the lamination efficiency and the lamination precision are improved, but burrs can exist at the edges of the silicon steel sheets due to the punching and shearing equipment in the production process, the quantity of the silicon steel sheets can be reduced, the excitation current is increased, the efficiency is reduced, and the winding insulation is stabbed by the burrs, so that the iron core needs to polish the edges of the silicon steel sheets before lamination. Because the silicon steel sheet is usually semi-annular structure, just there are four independent edges in single silicon steel sheet, and every silicon steel sheet all need independent processing, and current mode of polishing need to carry out the operation of polishing to these edges one by one, and the process is loaded down with trivial details and consuming time and energy. Disclosure of Invention Aiming at the defects of the prior art, the invention provides surface polishing equipment for processing the iron core of the transformer, and solves the problem that the edge of a silicon steel sheet is inconvenient to polish. The surface polishing device for machining the transformer iron core comprises a polishing table, a rotating motor is fixedly connected inside the polishing table, a driving end of the rotating motor is fixedly connected with a rotary table, a U-shaped support is fixedly connected to the top of the polishing table, a first cylinder is fixedly connected to the center of the support, an interception cover is fixedly connected to the driving end of the first cylinder, a polishing assembly is installed inside the interception cover and comprises an electric sliding rail fixedly arranged in the U-shaped part of the interception cover, a mounting frame is fixedly connected to a sliding block of the electric sliding rail, a second cylinder is fixedly connected to the surface of the mounting frame, a fixing seat in an L shape is fixedly connected to the driving end of the second cylinder, a polishing motor is fixedly connected to the inner top wall of the fixing seat, a polishing rod is fixedly connected to the driving end of the polishing motor, and a clamp is installed on the surface of the rotary table and used for clamping a semicircular iron core. Preferably, the stick of polishing is including being located the inside plate body of interception cover, the both sides of plate body are connected with the swivel mount through the axle rotation respectively, the lateral wall of swivel mount is provided with thick layer of polishing and the layer of polishing of fineness from top to bottom fixedly, the spout has been seted up to the inside wall of swivel mount, the inside sliding connection of spout has the balancing weight. Preferably, the both sides on plate body top are fixedly connected with elasticity telescopic link one respectively, the both ends of the interior body of rod of elasticity telescopic link one are fixedly connected with magnetic path respectively, the draw-in groove has been seted up respectively to the upper and lower lateral wall of swivel mount, elasticity telescopic link one is located the removal orbit of draw-in groove, the inner wall embedding fixedly connected with iron sheet of draw-in groove. Preferably, the upper side wall of the plate body is provided with a slot corresponding to one part of the elastic telescopic rod, two sides of the slot are provided with an adsorption hole corresponding to one part of the elastic telescopic rod, a glass layer is fixedly arranged in the adsorption hole, one side of the slot is provided with a guide rail, one end of the guide rail is fixedly connected with the plate body, the side wall of the guide rail is slidably connected with an adsorption plate made of ferromagnetic materials, and one side opposite to the guide rail and the adsorption plate is fixedly connected with an elastic piece I. Preferably, the polishing rod furthe