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CN-122025407-A - Automatic clamping mechanism of self-adaptation transformer skeleton size

CN122025407ACN 122025407 ACN122025407 ACN 122025407ACN-122025407-A

Abstract

The invention discloses an automatic clamping mechanism for self-adapting to the size of a transformer framework, and relates to the technical field of inductance coil processing. The invention comprises a first swing sliding arm and a second swing sliding arm which are arranged in a crossing way, four adjustable clamping heads are slidably arranged on the swing arms through clamping sliding seats, and the included angle is controlled by an adjusting rotating shaft and an adjusting rotating disc. The movable plate disc is driven by the pneumatic telescopic rod, automatic clamping and releasing are realized by the spring telescopic rod, and the clamping base plate is driven by the servo motor to rotationally wind the enameled wire. The structure can be quickly matched with rectangular, square and cylindrical frameworks, and the clamping is stable, the feeding and discharging are convenient, and the rotating is free from shaking. The problems of poor adaptability, low stability and insufficient automation of the existing fixing clamp are solved, and the production efficiency and the product quality are improved.

Inventors

  • LUO XIAOMAO

Assignees

  • 南昌市来铁电器有限公司

Dates

Publication Date
20260512
Application Date
20260409

Claims (7)

  1. 1. The automatic clamping mechanism for the self-adaptive transformer framework size is characterized by comprising four clamping heads (110) with circular arc chamfer angles at the edges, wherein the four clamping heads (110) are used for clamping a transformer framework (401), the four clamping heads (110) are respectively and rotatably arranged on four clamping head inserting rods (109), the four clamping head inserting rods (109) are respectively and fixedly arranged on four clamping sliding seats (108), and a first nut (111) for forming a fixed relation among the clamping heads (110), the clamping head inserting rods (109) and the clamping sliding seats (108) is sleeved on each clamping head inserting rod (109) in a threaded manner; The device further comprises a first swing sliding arm (105) and a second swing sliding arm (106) which are arranged in a crossing way, the first swing sliding arm (105) and the second swing sliding arm (106) are in rotary fit, and two clamping sliding seats (108) are respectively sleeved on the first swing sliding arm (105) and the second swing sliding arm (106) in a sliding way; wherein the included angle between the first swing slide arm (105) and the second swing slide arm (106) can be adjusted, and the included angle is used for controlling the distance between the four clamping heads (110); The first swing sliding arm (105) and the second swing sliding arm (106) are rotatably mounted on a swing sliding arm cross bracket (116), and the swing sliding arm cross bracket (116) is fixedly mounted on the inner side of the rotatable clamping substrate (101) so that the four clamping heads (110) clamp the transformer framework (401) to rotate along with the clamping substrate (101).
  2. 2. The automatic clamping mechanism for the self-adaptive transformer framework size according to claim 1, wherein a reinforcing rotary disc (118) is arranged on the side of the clamping base plate (101), three guide rods (117) with parallel axes are fixedly arranged between the reinforcing rotary disc (118) and the clamping base plate (101), a pushing plate moving disc (114) is slidably arranged on the three guide rods (117), the center of the pushing plate moving disc (114) is mainly rotated, an adjusting rotary shaft (107) is slidably inserted, the adjusting rotary shaft (107) is fixed with a second swinging sliding arm (106), and the first swinging sliding arm (105) is rotatably sleeved on the adjusting rotary shaft (107).
  3. 3. The automatic clamping mechanism for the framework size of the self-adaptive transformer according to claim 2, wherein each clamping sliding seat (108) is fixedly provided with a ball seat (112), and the position of the pushing plate moving disc (114) close to the center of the circle is movably connected with the four ball seats (112) through a spring telescopic rod (113).
  4. 4. The automatic clamping mechanism for the framework size of the self-adaptive transformer according to claim 3, wherein the side surface of the pushing and moving plate (114) is also rotatably provided with an adjusting turntable (115) which is concentrically matched with the pushing and moving plate (114), an arc-shaped groove (120) is formed in the circumferential position of the adjusting turntable (115), a fastening stud (119) is inserted in the arc-shaped groove (120), the fastening stud (119) is fixed on the pushing and moving plate (114), a second nut (121) is further sleeved on the fastening stud (119) in a threaded manner, and the adjusting turntable (115) and the pushing and moving plate (114) are in fixed relation, and the adjusting turntable (115) is in sliding fit with the adjusting rotating shaft (107) in a spline manner.
  5. 5. The automatic clamping mechanism for the size of the self-adaptive transformer framework according to claim 4, wherein the clamping base plate (101) is fixedly arranged on the middle sleeve frame (203), the middle sleeve frame (203) and the reinforcing rotary disc (118) are rotatably arranged on the middle frame (302), the middle frame (302) is fixedly arranged on the flange base (301), the servo driving motor (204) is fixedly arranged on the flange base (301), the driven annular belt wheel (206) is fixedly arranged on the middle sleeve frame (203) in a coaxial relation, and the driven annular belt wheel (206) is in transmission connection with an output shaft of the servo driving motor (204) through a transmission belt (205).
  6. 6. The automatic clamping mechanism for the self-adaptive transformer framework size according to claim 5, wherein two pneumatic telescopic rods (201) are fixedly arranged on the flange base (301), the two pneumatic telescopic rods (201) are symmetrically distributed, an annular sleeve frame (202) is fixedly arranged between telescopic rod ends of the two pneumatic telescopic rods (201), and the annular sleeve frame (202) is rotatably sleeved at the circumferential position of the pushing plate moving disc (114).
  7. 7. The automatic clamping mechanism for the self-adaptive transformer framework size according to claim 6, wherein two symmetrical sliding rails (102) are arranged on the side surface of the clamping substrate (101) along the radial direction of the clamping substrate, a synchronous sliding block (103) is slidably arranged on each sliding rail (102), and the synchronous sliding block (103) is movably connected with one end of the first swing sliding arm (105) and one end of the second swing sliding arm (106) through two synchronous connecting rods (104).

Description

Automatic clamping mechanism of self-adaptation transformer skeleton size Technical Field The invention relates to the technical field of inductance coil processing, in particular to an automatic clamping mechanism for self-adapting to the size of a transformer framework. Background The existing transformer framework winding enamelled wire generally adopts a fixed manual clamping mechanism. The clamping head interval of these devices is fixed, can't be according to the different sizes automatically regulated of rectangle, square or cylindrical skeleton, needs the whole anchor clamps of manual change or use the cushion adjustment when changing the skeleton model at every turn, and not only complex operation, long-time consuming still lead to the centre gripping skew or not hard up because of the adjustment inaccuracy easily, influence the stability when rotatory winding in succession, and is poor to the inboard hole adaptability of different shape skeletons, can't satisfy the actual demand of multi-size flexible production. Disclosure of Invention The technical scheme is that the automatic clamping mechanism for adapting to the size of the transformer framework comprises four clamping heads, wherein the four edges of the clamping heads are provided with arc chamfer angles, the four clamping heads are used for clamping the transformer framework, the four clamping heads are respectively and rotatably arranged on four clamping head inserting rods, the four clamping head inserting rods are respectively and fixedly arranged on four clamping sliding seats, a first nut used for forming a fixed relation among the clamping heads, the clamping head inserting rods and the clamping sliding seats is sleeved on each clamping head inserting rod in a threaded manner, the automatic clamping mechanism further comprises a first swinging sliding arm and a second swinging sliding arm which are arranged in a crossed manner, the first swinging sliding arm and the second swinging sliding arm are in rotary fit, the first swinging sliding arm and the second swinging sliding arm are respectively sleeved with two clamping sliding seats, the included angle between the first swinging sliding arm and the second swinging sliding arm can be adjusted and used for controlling the distance between the four clamping heads, the first swinging sliding arm and the second swinging sliding arm are rotatably arranged on a swinging sliding arm cross support, and the swinging sliding arm cross support is fixedly arranged on the substrate and can rotate along the inner side of the clamping framework, and the substrate can be clamped by the sliding frames. Preferably, a reinforcing rotating disc is arranged on the side of the clamping substrate, three guide rods with parallel axes are fixedly arranged between the reinforcing rotating disc and the clamping substrate, a pushing plate moving disc is slidably arranged on the three guide rods, the circle center of the pushing plate moving disc is mainly rotated, an adjusting rotating shaft is slidably inserted into the pushing plate moving disc, the adjusting rotating shaft is fixed with a second swinging sliding arm, and the first swinging sliding arm is rotatably sleeved on the adjusting rotating shaft (only rotary fit exists between the first swinging sliding arm and the adjusting rotating shaft, and no axial displacement freedom degree exists). Preferably, each clamping sliding seat is fixedly provided with a ball seat, and the position of the pushing plate moving disc close to the center of the circle is movably connected with the four ball seats through a spring telescopic rod. The end part of the telescopic cylinder of the spring telescopic rod is connected with the pushing plate disc ball pair, and the end part of the telescopic rod of the spring telescopic rod is connected with the ball seat ball pair. Preferably, the side surface of the pushing plate moving disc is also rotatably provided with an adjusting turntable which is concentrically matched with the pushing plate moving disc, the circumference of the adjusting turntable is provided with an arc groove, a fastening stud is inserted into the arc groove in a sliding way, the fastening stud is fixed on the pushing plate moving disc, a second nut is sleeved on the fastening stud in a threaded way and used for enabling the adjusting turntable to be in fixed relation with the pushing plate moving disc, and the adjusting turntable is in sliding fit with the adjusting rotating shaft in a spline way. Only rotational degrees of freedom exist between the adjusting turntable and the pushing plate-moving disc, and the adjusting turntable and the pushing plate-moving disc have no axial displacement degrees of freedom. The clamping base plate is fixedly arranged on the middle sleeve frame, the middle sleeve frame and the reinforcing rotary disk are both rotatably arranged on the middle frame, the middle frame is fixedly arranged on the flange base, the servo