Reshaping tool for annular iron core
By designing a ring-shaped iron core shaping fixture, a combination structure of a placement rod and an arc plate is used for slow shaping, which solves the problem of damage during iron core welding, ensures welding effect, and achieves damage-free shaping and close-fitting welding.
Patent Information
- Application Number
- CN202520192838.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-07
AI Technical Summary
The insulation layer is easily damaged when the toroidal core is welded and fixed after winding, and the lack of limiting at the end of the inner ring leads to poor welding results.
A ring-shaped iron core shaping fixture was designed. Through the combination of a placement rod, an arc plate, and a rotating top plate, the fixture achieves slow shaping of the iron core and fixation of the inner ring, avoiding impact damage, and ensures welding effect through a limiting structure.
This reduces the impact force during the shaping process, protects the core insulation layer, and ensures the tightness and welding quality of the inner ring weld.
Smart Images
Figure CN223748289U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer processing technical field especially relates to a annular core shaping frock. BACKGROUND
[0002] The annular core is usually formed by winding, and the outer side end of the steel sheet is welded and fixed after winding. Then, the two ends of the core are aligned by the way of hammering. However, the impact force is large during the hammering, which can easily damage the paint on the outer part of the steel sheet, and further affect the quality of the core. In addition, when welding the end part located in the inner ring, the welding effect and the close effect of the end part of the inner ring cannot be ensured due to the lack of necessary limiting. SUMMARY
[0003] The utility model provides a annular core shaping frock to solve the above prior art's insufficient, convenient for the shaping operation of winding forming core, has stronger practicality.
[0004] In order to realize the purpose of the utility model, the following technology is adopted:
[0005] A annular core shaping frock, comprising a bottom plate, a first vertical plate is installed on one end of the bottom plate through a screw, a pair of placing rods are arranged on the inner side of the first vertical plate, and the core is placed on the placing rods during shaping. The contact area between the core and the placing rods is small in this placing mode, and the mode is tangent, which can avoid damaging the insulating layer of the outer wall of the core.
[0006] A guide groove is formed on the other end of the bottom plate, a sliding block is slidably arranged in the guide groove, an arc-shaped plate is installed on the upper end of the sliding block through a second screw, a second vertical plate is arranged on the inner side end of the arc-shaped plate. An outer end plate is installed on the upper wall of the other end of the bottom plate through a screw, a hinge screw is connected to the geometric center position of the outer end plate through a thread, a rotating top plate is rotatably arranged on the hinge screw, an outer top wheel is rotatably arranged on the inner side end of the rotating top plate, the outer periphery of the outer top wheel is tangent to the arc-shaped side wall of the arc-shaped plate, and when the rotating top plate rotates, the outer top wheel on the inner side end of the rotating top plate will act on the outer wall of the arc-shaped plate, so that the second vertical plate moves inward, and the second vertical plate and the first vertical plate interact to perform the shaping operation on the core.
[0007] Further, a pair of horizontal holes are formed on the lower end of the first vertical plate, a screw rod is arranged on the outer side end of the placing rod, the diameter of the placing rod is greater than the diameter of the screw rod, the screw rod is arranged in the horizontal hole, a tightening nut is connected to the screw rod through a thread, the inner side end of the tightening nut acts on the outer wall of the first vertical plate, the position of the placing rod can be adjusted, the placing of cores of different sizes is facilitated, and the application range is expanded.
[0008] Further, in order to facilitate the welding of the end part of the inner ring, a welding hole is formed on the second vertical plate.
[0009] Further, in order to quickly cancel the effect of the rotating top plate, a waist-shaped hole is formed in the inner side end of the rotating top plate, a movable rod is movably arranged in the waist-shaped hole, an outer top wheel is rotatably arranged at the lower end of the movable rod, a limiting nut is threadedly connected to the movable rod, the limiting nut is located at the upper side of the rotating top plate, a groove is formed in the movable rod, a hinged seat is arranged on the rotating top plate, an L-shaped plate is hinged to the upper end of the hinged seat, and the inner side end of the L-shaped plate acts on the vertical surface of the groove.
[0010] Further, in order to ensure the welding effect of the inner ring, a strip-shaped hole is formed in the first vertical plate, a pressing rod is arranged in the strip-shaped hole, a moving seat is arranged on the outer side end of the pressing rod through a pair of mounting nuts, a pressing screw rod is threadedly connected to the moving seat, a rotating cap is arranged at the outer side end of the pressing screw rod, a rotating end seat is rotatably arranged at the outer side end of the pressing screw rod, the rotating end seat is arranged on the first vertical plate, a limiting internal nut is arranged at the outer side end of the pressing screw rod, and the limiting internal nut is located at the inner side of the rotating end seat.
[0011] The above technical scheme has the following advantages:
[0012] The iron core can be shaped by mutual slow extrusion at both ends, the impact force during shaping is reduced, damage to the insulation layer of the iron core is avoided, and in addition, the end portion located in the inner ring can be fixed to ensure the welding effect. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below with reference to the drawings.
[0014] Figure 1 A perspective structure of one embodiment is shown Figure 1 .
[0015] Figure 2 An enlarged view of A is shown.
[0016] Figure 3 A perspective structure of one embodiment is shown Figure 2 .
[0017] Figure 4 An enlarged view of B is shown. DETAILED DESCRIPTION
[0018] As Figures 1-4As shown, a kind of annular core shaping frock, including bottom plate 1, the one end of bottom plate 1 is equipped with first vertical plate 2 by screw, the inner side of first vertical plate 2 is equipped with a pair of placement rod 31, specifically, the lower end of first vertical plate 2 is equipped with a pair of transverse hole 20, the outer side end of placement rod 31 is equipped with screw rod 3, the diameter of placement rod 31 is greater than the diameter of screw rod 3, screw rod 3 is equipped in transverse hole 20, screw rod 3 is equipped with tight nut 30 by thread, the inner side end of tight nut 30 acts on the outer wall of first vertical plate 2.
[0019] The other end of bottom plate 1 is equipped with guide groove 10, the sliding block 5 is equipped in guide groove 10, the upper end of sliding block 5 is equipped with arc plate 51 by second screw 50, the inner side end of arc plate 51 is equipped with second vertical plate 52, and welding hole 53 is equipped in second vertical plate 52.
[0020] The upper wall of the other end of bottom plate 1 is equipped with outer end plate 54 by screw, the geometric center position of outer end plate 54 is equipped with hinged screw 55 by thread, the rotating top plate 56 is equipped on hinged screw 55, the inner side end of rotating top plate 56 is equipped with outer top wheel 58, and the outer periphery of outer top wheel 58 is tangent to the arc-shaped side wall of arc plate 51.
[0021] The inner side end of rotating top plate 56 is equipped with waist-shaped hole, and the movable rod 57 is movably equipped in waist-shaped hole, and the outer top wheel 58 is rotatably equipped on the lower end of movable rod 57, and the limit nut is connected on movable rod 57 by thread, and the limit nut is located on the upper side of rotating top plate 56, and the recess 59 is equipped on movable rod 57, and the hinged seat 60 is installed on rotating top plate 56, and the upper end of hinged seat 60 is hinged with L-shaped plate 61, and the inner side end of L-shaped plate 61 acts on the vertical surface of recess 59.
[0022] The first vertical plate 2 is equipped with strip-shaped hole 21, and the pressure rod 40 is equipped in strip-shaped hole 21, and the outer side end of pressure rod 40 is equipped with moving seat 4 by a pair of mounting nuts 41, and the pressure tight screw rod 43 is connected on moving seat 4 by thread, and the rotating cap 44 is equipped on the outer side end of pressure tight screw rod 43, and the rotating end seat 42 is rotatably equipped on the outer side end of pressure tight screw rod 43, and the rotating end seat 42 is installed on first vertical plate 2, and the limit inner nut 45 is equipped on the outer side end of pressure tight screw rod 43, and the limit inner nut 45 is located on the inner side of rotating end seat 42.
[0023] When the embodiment is operated, the operator adjusts the position of the two placement rods 31 according to the size of the core, when adjusting, first loosen the tight nut 30, then adjust the position of the placement rod 31 in the transverse hole 20, and then tighten the tight nut 30 again after adjusting.
[0024] When the embodiment is operated, the operator adjusts the position of the two placement rods 31 according to the size of the core, when adjusting, first loosen the tight nut 30, then adjust the position of the placement rod 31 in the transverse hole 20, and then tighten the tight nut 30 again after adjusting.
[0025] When the iron core is shaped, the inner end of the L-shaped plate 61 is ensured to act on the vertical surface of the groove 59, then the rotating top plate 56 is rotated, and the outer periphery of the outer top wheel 58 on the rotating top plate 56 acts on the arc-shaped side wall of the arc-shaped plate 51 when the rotating top plate 56 is rotated, so that the arc-shaped plate 51 and the second vertical plate 52 are moved inward, and the second vertical plate 52 and the first vertical plate 2 are matched to press the iron core, thereby achieving the purpose of shaping the two ends of the iron core.
[0026] When the inner circle of the iron core is welded, the welding position of the inner circle is ensured to be located at the pressing rod 40, and a certain amount of welding space is required, then the moving seat 4 and the pressing rod 40 are moved by rotating the pressing screw rod 43, and at this time, since the iron core is located between the second vertical plate 52 and the first vertical plate 2, when the pressing rod 40 is moved, the close effect of the inner circle welding section of the iron core can be achieved, then the welding hole 53 is used for welding operation.
[0027] The preferred embodiments of the utility model are described above, and the utility model is not limited to the above, and obviously, those skilled in the art can make various modifications and changes to the utility model without departing from the spirit and scope of the utility model. Thus, if the modifications and changes of the utility model belong to the scope of the utility model claims and equivalent technologies, the utility model also intends to include these modifications and changes.
Claims
1. A ring core shaping tool characterized by, It include the bottom plate (1), one end of the bottom plate (1) is equipped with a first vertical plate (2) by screw, the inner side of the first vertical plate (2) is equipped with a pair of placing rod (31); The other end of the bottom plate (1) is equipped with a guide slot (10), the guide slot (10) is equipped with a sliding block (5) inside, the upper end of the sliding block (5) is equipped with an arc plate (51) by the second screw (50), the inner side of the arc plate (51) is equipped with a second vertical plate (52); The other end of the bottom plate (1) is equipped with an outer end plate (54) by screw, the geometric center position of the outer end plate (54) is equipped with a hinge screw (55) by thread connection, the hinge screw (55) is equipped with a rotating top plate (56) rotationally, the inner side of the rotating top plate (56) is equipped with an outer top wheel (58) rotationally, the outer periphery of the outer top wheel (58) is tangent to the arc-shaped side wall of the arc plate (51).
2. The ring core shaping tooling of claim 1, wherein, The lower end of the first vertical plate (2) is equipped with a pair of horizontal holes (20), the outer side of the placing rod (31) is equipped with a screw rod (3), the diameter of the placing rod (31) is greater than the diameter of the screw rod (3), the screw rod (3) is equipped in the horizontal hole (20), the screw rod (3) is equipped with a tight nut (30) by thread connection, the inner side of the tight nut (30) acts on the outer wall of the first vertical plate (2).
3. The ring core shaping tooling of claim 1, wherein, The second vertical plate (52) is equipped with a welding hole (53).
4. The ring core shaping tooling of claim 1, wherein, The inner side of the rotating top plate (56) is equipped with a waist-shaped hole, the waist-shaped hole is equipped with a movable rod (57) movably, the outer top wheel (58) is equipped at the lower end of the movable rod (57) rotationally, the movable rod (57) is equipped with a limiting nut by thread connection, the limiting nut is located on the upper side of the rotating top plate (56), the movable rod (57) is equipped with a groove (59), the rotating top plate (56) is equipped with a hinge seat (60), the upper end of the hinge seat (60) is equipped with an L-shaped plate (61), the inner side of the L-shaped plate (61) acts on the vertical surface of the groove (59).
5. The ring core shaping tooling of claim 1, wherein, The first vertical plate (2) is equipped with a strip-shaped hole (21), the strip-shaped hole (21) is equipped with a pressing rod (40), the outer side of the pressing rod (40) is equipped with a moving seat (4) by a pair of mounting nuts (41), the moving seat (4) is equipped with a pressing screw rod (43) by thread connection, the outer side of the pressing screw rod (43) is equipped with a rotating cap (44), the outer side of the pressing screw rod (43) is equipped with a rotating end seat (42) rotationally, the rotating end seat (42) is equipped on the first vertical plate (2), the outer side of the pressing screw rod (43) is equipped with a limiting inner nut (45), the limiting inner nut (45) is located on the inner side of the rotating end seat (42).