High-frequency transformer leakage inductance screening equipment

Abstract

The utility model discloses high-frequency transformer leakage inductance screening equipment which comprises a first supporting frame, a plurality of sets of supporting plates are arranged on a first conveying belt, and high-frequency transformers are placed between the supporting plates. A pressing plate of the high-frequency transformer leakage inductance screening equipment forms a vertical lifting structure through a first telescopic arm, a connecting rod and a supporting plate under the action of a first electric push rod, so that a wire on a high-frequency transformer is extruded and limited through the pressing plate and the supporting plate, and then a follow-up test pencil is conveniently in contact with the wire; a second electric push rod of the device and a first fixing frame form a limiting sliding structure through a first screw rod, a first sliding rod and a first movable block under the action of a first servo motor, and a test pencil and a high-frequency transformer form a vertical lifting structure through a second telescopic arm under the action of the second electric push rod. Therefore, one group of test pencils can be driven to move through the second servo motor, and the test pencils are driven to be electrically connected with the wire through the second electric push rod.

Description

Technical Field

[0001] The utility model relates to the technical field of high-frequency transformer screening, in particular to a leakage inductance screening device for a high-frequency transformer. Background Art

[0002] High-frequency transformer is a power transformer with working frequency exceeding medium frequency. It is mainly used as high-frequency switching power supply transformer in high-frequency switching power supply, and also used as high-frequency inverter power supply transformer in high-frequency inverter welding machine. In the production process of high-frequency transformer, in order to ensure the safety of transformer in use, the electric test pen is used to detect and screen whether the transformer has leakage inductance.

[0003] During the screening process of high-frequency transformers, it is necessary to manually connect the test pen to the wire to effectively determine whether the transformer has leakage inductance. However, during the screening process of existing high-frequency transformers, manual operation consumes too much manpower, resulting in low screening efficiency of high-frequency transformers. Therefore, a high-frequency transformer leakage inductance screening device is proposed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a high-frequency transformer leakage inductance screening device to solve the problem that the screening process of the existing high-frequency transformer proposed in the above background technology consumes too much manpower through manual operation, thereby resulting in low screening efficiency of the high-frequency transformer.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-frequency transformer leakage inductance screening device, comprising a first support frame, a first motor is arranged in the first support frame, and one end of the output shaft of the first motor is connected to a driving wheel through a coupling, the driving wheel is correspondingly provided with a driven wheel on one side, and the driving wheel and the driven wheel are sleeved with a first conveyor belt on the outer wall, a plurality of groups of support plates are arranged on the first conveyor belt, and a high-frequency transformer is placed between the support plates, the high-frequency transformer is provided with a wire, and the wire is respectively located on the support plates, a first electric push rod is arranged on the upper end surface of one side of the first support frame, and the first electric push rod is provided with a first telescopic arm on the upper end, a connecting rod is arranged at the upper end of the first telescopic arm, and a pressing plate is arranged at the other end of the connecting rod;

[0006] The first electric push rod is provided with a first fixing frame at the top, and the first fixing frame is provided with a first servo motor inside, one end of the output shaft of the first servo motor is connected to the first screw rod through a coupling, and the first screw rod is provided with a first sliding rod at the bottom, the first screw rod and the first sliding rod are interspersed with a first movable block, and the lower end surface of the first movable block and the first fixing frame are provided with a second electric push rod respectively, the second electric push rod is provided with a second telescopic arm at the bottom, and the lower end of the second telescopic arm is provided with an electric test pen;

[0007] A second fixed frame is provided at the right end of the first support frame, and a second servo motor is provided inside the second fixed frame, one end of the output shaft of the second servo motor is connected to the second screw through a coupling, and a second sliding rod is correspondingly provided below the second screw, a second movable block is inserted through the second screw and the second sliding rod, and a third servo motor is provided below the second movable block, the third servo motor is provided with an output shaft below, and the outer wall of the output shaft is connected to the push plate through a connecting plate, two groups of second support frames are respectively provided at the right end of the first support frame, and a second conveyor belt is correspondingly provided between the second support frames.

[0008] Preferably, the first conveyor belt, under the action of the first motor, forms a conveying structure through a driving wheel, a driven wheel and a first supporting frame.

[0009] Preferably, the pressing plate forms a vertical lifting structure through the first telescopic arm, the connecting rod and the supporting plate under the action of the first electric push rod.

[0010] Preferably, the second electric push rod forms a limited sliding structure through the first screw, the first sliding rod, the first movable block and the first fixed frame under the action of the first servo motor, and the electric tester forms a vertical lifting structure through the second telescopic arm and the high-frequency transformer under the action of the second electric push rod.

[0011] Preferably, the third servo motor, under the action of the second servo motor, forms a limited sliding structure through the second screw, the second sliding rod, the second movable block and the second fixed frame, and the push plate, under the action of the third servo motor, forms a rotating structure through the output shaft, the connecting plate and the high-frequency transformer.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the pressure plate of the high-frequency transformer leakage inductance screening device forms a vertical lifting structure through the first telescopic arm, the connecting rod and the supporting plate under the action of the first electric push rod, so that the wire on the high-frequency transformer is squeezed and limited by the pressure plate and the supporting plate, so as to facilitate the subsequent contact between the electric test pen and the wire. The second electric push rod of the device forms a limited sliding structure with the first fixed frame through the first screw, the first slide bar, the first movable block under the action of the first servo motor, and the electric test pen forms a vertical lifting structure with the high-frequency transformer through the second telescopic arm under the action of the second electric push rod, so that one group of electric test pens can be driven to move through the second servo motor, and the electric test pen is driven to be electrically connected to the wire through the second electric push rod. The third servo motor of the device forms a limited sliding structure with the second fixed frame through the second screw, the second slide bar, the second movable block under the action of the second servo motor, and the push plate forms a rotating structure with the high-frequency transformer through the output shaft, the connecting plate under the action of the third servo motor, so that after the high-frequency transformer is detected, it is classified according to its detection situation, and pushed to the second conveyor belt in different directions through the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a high-frequency transformer leakage inductance screening device of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of a high-frequency transformer leakage inductance screening device from top to side in the utility model;

[0015] Figure 3 This is a side structural schematic diagram of a pressure plate assembly of a high-frequency transformer leakage inductance screening device of the utility model;

[0016] Figure 4 This is a side structural schematic diagram of a push plate assembly of a high-frequency transformer leakage inductance screening device of the utility model;

[0017] Figure 5 This utility model is a high-frequency transformer leakage inductance screening device Figure 1 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. first support frame, 2. first conveyor belt, 3. second support frame, 4. second conveyor belt, 5. support plate, 6. high-frequency transformer, 7. first electric push rod, 8. first telescopic arm, 9. connecting rod, 10. pressing plate, 11. first fixed frame, 12. first servo motor, 13. first screw rod, 14. first slide bar, 15. first movable block, 16. second electric push rod, 17. second telescopic arm, 18. electric test pen, 19. second fixed frame, 20. second servo motor, 21. second screw rod, 22. second slide bar, 23. second movable block, 24. third servo motor, 25. push plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5 The utility model provides a technical solution: a high-frequency transformer leakage inductance screening device, including a first support frame 1, a first motor is arranged in the first support frame 1, and one end of the output shaft of the first motor is connected to a driving wheel through a coupling, a driven wheel is arranged on one side of the driving wheel, and a first conveyor belt 2 is sleeved on the outer wall of the driving wheel and the driven wheel.

[0021] Furthermore, the first conveyor belt 2 forms a conveying structure through the driving wheel, the driven wheel and the first support frame 1 under the action of the first motor, so that the high-frequency transformer 6 is conveyed through the first conveyor belt 2 under the action of the first motor.

[0022] A plurality of support plates 5 are provided on the first conveyor belt 2, and a high-frequency transformer 6 is placed between the support plates 5, and a wire is provided on the high-frequency transformer 6, and the wire is respectively located on the support plates 5. A first electric push rod 7 is provided on the upper end surface of one side of the first support frame 1, and the first electric push rod 7 is provided with a first telescopic arm 8 on the upper part, a connecting rod 9 is provided at the upper end of the first telescopic arm 8, and a pressing plate 10 is provided at the other end of the connecting rod 9.

[0023] Furthermore, under the action of the first electric push rod 7, the pressing plate 10 forms a vertical lifting structure through the first telescopic arm 8, the connecting rod 9 and the support plate 5, so that under the action of the first electric push rod 7, the pressing plate 10 squeezes and limits the wire, thereby facilitating the subsequent related operations of the electric tester 18.

[0024] The first electric push rod 7 is provided with a first fixed frame 11 at the top, and the first fixed frame 11 is provided with a first servo motor 12 inside, one end of the output shaft of the first servo motor 12 is connected to the first screw 13 through a coupling, and the first screw 13 is provided with a first slide bar 14 at the bottom, the first screw 13 and the first slide bar 14 are inserted with a first movable block 15, and the lower end surface of the first movable block 15 and the first fixed frame 11 are respectively provided with a second electric push rod 16, the second electric push rod 16 is provided with a second telescopic arm 17 at the bottom, and the lower end of the second telescopic arm 17 is provided with an electric test pen 18. It should be additionally explained that the electric test pen 18 is arranged at an angle to ensure that the electric test pen 18 can be electrically connected to the wire.

[0025] Furthermore, under the action of the first servo motor 12, the second electric push rod 16 forms a limited sliding structure through the first screw 13, the first slide bar 14, the first movable block 15 and the first fixed frame 11, so that the first servo motor 12 drives the electric test pen 18 on one side of the high-frequency transformer 6 to move, thereby facilitating the contact detection of the wires and the casing of the high-frequency transformer 6 by the electric test pen 18, and the electric test pen 18 forms a vertical lifting structure with the high-frequency transformer 6 through the second telescopic arm 17 under the action of the second electric push rod 16, so that the electric test pen 18 is lowered under the action of the second electric push rod 16 to work normally.

[0026] A second fixed frame 19 is provided at the right end of the first support frame 1, and a second servo motor 20 is provided inside the second fixed frame 19, one end of the output shaft of the second servo motor 20 is connected to the second screw 21 through a coupling, and a second slide bar 22 is correspondingly provided at the bottom of the second screw 21, a second movable block 23 is inserted through the second screw 21 and the second slide bar 22, and a third servo motor 24 is provided at the bottom of the second movable block 23, the third servo motor 24 is provided with an output shaft at the bottom, and the outer wall of the output shaft is connected to the push plate 25 through a connecting plate, and two groups of second support frames 3 are respectively provided at the right end of the first support frame 1, and a second conveyor belt 4 is correspondingly provided between the second support frames 3.

[0027] Furthermore, under the action of the second servo motor 20, the third servo motor 24 forms a limited sliding structure through the second screw 21, the second slide rod 22, the second movable block 23 and the second fixed frame 19, and the push plate 25 forms a rotating structure through the output shaft, the connecting plate and the high-frequency transformer 6 under the action of the third servo motor 24, so that the push plate 25 is driven by the second servo motor 20 to push the high-frequency transformer 6, and the moving direction of the push plate 25 is adjusted by the third servo motor 24.

[0028] Working principle: When using the high-frequency transformer leakage inductance screening equipment, first place the high-frequency transformer 6 between the support plates 5, and place the wires neatly on the support plates 5. Then, the first conveyor belt 2 can be driven by the first motor to convey the high-frequency transformer 6. When the high-frequency transformer 6 is conveyed to a suitable position, the first electric push rod 7 can be started in time. The first electric push rod 7 drives the pressure plate 10 downward through the first telescopic arm 8 and the connecting rod 9, thereby squeezing and limiting the wires through the pressure plate 10 and the support plate 5. At the same time, the second electric push rod 16 can be started, thereby driving the electric test pen 18 to descend through the second telescopic arm 17, and then the leakage inductance of the wires on both sides of the high-frequency transformer 6 can be detected through electrical connection. After the detection is completed, the first servo motor 12 can be started, and the output shaft of the first servo motor 12 is connected through the coupling. The first screw rod 13 is driven to rotate, and the electric tester 18 on one side of the high-frequency transformer 6 is driven to move horizontally through the first slide bar 14 and the first movable block 15, so that the leakage inductance of the wire and the shell of the high-frequency transformer 6 is detected by the electric tester 18; after the detection is completed, the electric tester 18 and the pressure plate 10 return to their original positions under the action of the first electric push rod 7 and the second electric push rod 16 respectively, and the high-frequency transformer 6 is moved to the second fixed frame 19 under the action of the first conveyor belt 2, and then the third servo motor 24 can be started, so as to rotate the push plate 25 to a suitable direction according to the detection result, and at the same time, the second servo motor 20 drives the push plate 25 to move by the same principle, so as to push the high-frequency transformer 6 to a suitable second conveyor belt 4 for continued transmission. This is the use process of the high-frequency transformer leakage inductance screening equipment.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-frequency transformer leakage inductance screening device, comprising a first support frame (1), wherein a first motor is arranged inside the first support frame (1), and one end of the output shaft of the first motor is connected to a driving wheel through a coupling, and a driven wheel is arranged on one side of the driving wheel, and a first conveyor belt (2) is sleeved on the outer wall of the driving wheel and the driven wheel, characterized in that: A plurality of support plates (5) are provided on the first conveyor belt (2), and a high-frequency transformer (6) is placed between the support plates (5); a conductor is provided on the high-frequency transformer (6), and the conductors are respectively located on the support plates (5); a first electric push rod (7) is provided on the upper end surface of one side of the first support frame (1), and a first telescopic arm (8) is provided on the upper side of the first electric push rod (7); a connecting rod (9) is provided on the upper end of the first telescopic arm (8), and a pressing plate (10) is provided on the other end of the connecting rod (9); The first electric push rod (7) is provided with a first fixed frame (11) at the top, and the first fixed frame (11) is provided with a first servo motor (12) inside, one end of the output shaft of the first servo motor (12) is connected to the first screw rod (13) through a coupling, and the first screw rod (13) is provided with a first slide rod (14) at the bottom, the first screw rod (13) and the first slide rod (14) are inserted with a first movable block (15), and the bottom of the first movable block (15) and the lower end surface of the first fixed frame (11) are respectively provided with a second electric push rod (16), the second electric push rod (16) is provided with a second telescopic arm (17) at the bottom, and a test pen (18) is provided at the lower end of the second telescopic arm (17); A second fixing frame (19) is provided at the right end of the first support frame (1), and a second servo motor (20) is provided inside the second fixing frame (19); one end of the output shaft of the second servo motor (20) is connected to a second screw rod (21) via a coupling, and a second slide rod (22) is provided below the second screw rod (21); a second movable block (23) is inserted through the second screw rod (21) and the second slide rod (22), and a third servo motor (24) is provided below the second movable block (23); an output shaft is provided below the third servo motor (24), and the outer wall of the output shaft is connected to a push plate (25) via a connecting plate; two sets of second support frames (3) are provided at the right end of the first support frame (1), and a second conveyor belt (4) is provided between the second support frames (3).

2. The high-frequency transformer leakage inductance screening device according to claim 1, characterized in that: The first conveyor belt (2) forms a conveying structure through a driving wheel, a driven wheel and a first support frame (1) under the action of the first motor.

3. The high-frequency transformer leakage inductance screening device according to claim 1, characterized in that: The pressing plate (10) forms a vertical lifting structure through the first telescopic arm (8), the connecting rod (9) and the supporting plate (5) under the action of the first electric push rod (7).

4. The high-frequency transformer leakage inductance screening device according to claim 1, characterized in that: The second electric push rod (16) forms a limited sliding structure through the first screw rod (13), the first sliding rod (14), the first movable block (15) and the first fixed frame (11) under the action of the first servo motor (12), and the electric test pencil (18) forms a vertical lifting structure through the second telescopic arm (17) and the high-frequency transformer (6) under the action of the second electric push rod (16).

5. The high-frequency transformer leakage inductance screening device according to claim 1, characterized in that: The third servo motor (24) forms a limited sliding structure through the second screw rod (21), the second slide rod (22), the second movable block (23) and the second fixed frame (19) under the action of the second servo motor (20), and the push plate (25) forms a rotating structure through the output shaft, the connecting plate and the high-frequency transformer (6) under the action of the third servo motor (24).

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