Automatic processing equipment for transformer core

Abstract

The utility model discloses an automatic processing equipment for transformer iron core, comprising a machine base, a hydraulic cylinder is provided on the upper side of the machine base through an upper bracket, a punching knife is provided on the lower side of the hydraulic cylinder through a lifting plate, a first unloading plate is elastically slidably provided in a cavity inside the punching knife, a heat dissipation mechanism is provided inside the punching knife, a punching processing table is provided in the middle part of the upper side of the machine base, an iron core placement groove is provided on the upper side of the punching processing table, a photoelectric switch is also provided on the inner wall of the iron core placement groove, a second unloading plate is provided in the groove on the inner wall of the iron core placement groove, and a lifting unloading mechanism is provided on the lower side of the second unloading plate. The utility model uses the punching processing table and the iron core placement groove provided on the upper part of the machine base to clamp and position the outer side of the iron core to be punched, and then drives the lifting plate and the punching knife to move down to punch the iron core through the hydraulic cylinder, so as to process the transformer iron core with a hollow interior, and has a simple structure and is easy to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of iron core processing equipment, in particular to automatic processing equipment for transformer iron cores. Background Art

[0002] Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are primary coil, secondary coil and iron core. Its main functions include voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. It can be divided into distribution transformer, power transformer, fully sealed transformer, combined transformer, dry transformer, oil-immersed transformer, single-phase transformer, electric furnace transformer, rectifier transformer, etc. When processing transformer core, punching equipment is needed for punching processing.

[0003] In the prior art, an iron core mold for automatically cleaning punching waste with application number 202310850904.2 includes a punching mechanism, a clamping device is installed on the outside of the punching mechanism, and a variable speed winding device is installed on one side of the clamping device. Compared with direct cutting in the prior art, part of the punching waste can be transferred to a punching mechanism elsewhere and stretched again, and the remaining larger and complete area can be punched for the second time, thereby reducing waste. However, it is not convenient to unload the iron core chips that have been punched, and it is not convenient to discharge the cut waste chips. Utility Model Content

[0004] The utility model aims to provide an automatic transformer core processing device to solve the problem in the prior art that it is inconvenient to unload the punched and cut iron core pieces and to discharge the cut waste chips.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic processing equipment for transformer core, comprising a machine base, a hydraulic cylinder is provided on the upper side of the machine base through an upper bracket, a punching knife is provided on the lower side of the hydraulic cylinder through a lifting plate, a first unloading plate is elastically slidably provided in the cavity inside the punching knife, a heat dissipation mechanism is provided inside the punching knife, a punching processing table is provided in the middle part of the upper side of the machine base, and an iron core placement groove is opened on the upper side of the punching processing table, a photoelectric switch is also provided on the inner wall of the iron core placement groove, a second unloading plate is provided in the groove of the inner wall of the iron core placement groove, and a lifting and unloading mechanism is provided on the lower side of the second unloading plate.

[0006] Furthermore, guide rods are provided on the upper sides of both ends of the lifting plate, and one end of the guide rods slides through the top wall of the upper bracket, and a PLC control cabinet is provided on the outer side of the upper bracket.

[0007] Furthermore, an annular blade is provided at the lower end of the punching knife, and one side of the first unloading plate is elastically slidably connected to the middle part of the punching knife through a first spring.

[0008] Furthermore, the heat dissipation mechanism includes a water cooling channel provided in the punching knife, and the water cooling channel is configured as a spiral channel.

[0009] Furthermore, a circulating liquid inlet pipe and a circulating liquid outlet pipe are respectively provided at both ends of the water cooling channel, and one end of the circulating liquid inlet pipe and the circulating liquid outlet pipe are connected to the liquid storage tank through a water pump.

[0010] Furthermore, the groove is configured as an annular groove, the second unloading plate is configured as an annular frame plate, and the lower side of the second unloading plate is elastically slidably disposed in the groove through a limiting rod, a limiting plate and a second spring.

[0011] Furthermore, the lifting and unloading mechanism includes a cam rotatably arranged at the lower part of the punching and cutting processing table through a rotating shaft, the cam is arranged below the limit plate, and one end of the rotating shaft is connected to the motor through a gear set.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a punching processing table and an iron core placement groove on the upper part of the machine base, which are used to clamp and position the outer side of the iron core to be punched, and then the hydraulic cylinder drives the lifting plate and the punching knife to move down to punch the iron core, so that the transformer iron core with a hollow interior can be processed, and the utility model has a simple structure and is easy to operate.

[0014] 2. The utility model provides a second unloading plate in a groove on the inner wall of the iron core placement slot, and a lifting unloading mechanism is provided on the lower side of the second unloading plate. The lifting unloading mechanism includes a cam that is arranged on the lower part of the punching processing table through a rotating shaft. One end of the rotating shaft is connected to a motor through a gear set, so that the rotating shaft and the cam are driven by the motor and the gear set to rotate and adjust, and the second unloading plate can be pushed up, so that the iron core punched in the iron core placement slot can be unloaded from the top, and the unloading is convenient and quick.

[0015] 3. The utility model provides a heat dissipation mechanism inside the punching cutter. The heat dissipation mechanism includes a water cooling channel inside the punching cutter, and the water cooling channel is configured as a spiral channel. A circulating liquid inlet pipe and a circulating liquid outlet pipe are respectively provided at both ends of the water cooling channel, so that the punching cutter can be water-cooled to prevent the punching cutter from being damaged by overheating due to continuous operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is the overall structural front view of the utility model;

[0018] Figure 2This is a schematic diagram of the structure of the second unloading plate of the utility model;

[0019] Figure 3 This is a cross-sectional view of the internal structure of the punching knife of the present utility model.

[0020] In the figure: 1. machine base; 2. upper bracket; 3. hydraulic cylinder; 4. lifting plate; 5. punching knife; 6. guide rod; 7. punching processing table; 8. core placement groove; 9. groove; 10. second unloading plate; 11. limit plate; 12. limit rod; 13. second spring; 14. rotating shaft; 15. gear set; 16. motor; 17. cam; 18. PLC control cabinet; 19. liquid storage tank; 20. circulating liquid outlet pipe; 21. water pump; 22. circulating liquid inlet pipe; 23. water cooling channel; 24. photoelectric switch; 25. first unloading plate; 26. first spring. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 In the embodiment of the utility model, a transformer core automatic processing equipment includes a machine base 1, a hydraulic cylinder 3 is provided on the upper side of the machine base 1 through an upper bracket 2, a punching knife 5 is provided on the lower side of the hydraulic cylinder 3 through a lifting plate 4, and a ring-shaped blade is provided at the lower end of the punching knife 5. By controlling the hydraulic cylinder 3 to drive the lifting plate 4 and the punching knife 5 to move down to punch the iron core, it can be processed into a transformer core with a hollow interior, and the structure is simple and the operation is convenient; guide rods 6 are provided on the upper sides of both ends of the lifting plate 4, and one end of the guide rod 6 slides through the top wall of the upper bracket 2, which is used for sliding guide processing when the lifting plate 4 and the punching knife 5 are lifted and lowered, which is beneficial to improving the punching accuracy of the punching knife 5. A PLC control cabinet 18 is provided on the outer side of the upper bracket 2 for easy overall control.

[0023] like Figure 3 As shown, in order to push out the waste chips cut off by the punching knife 5, a first discharge plate 25 is elastically slidably provided in the cavity inside the punching knife 5, and one side of the first discharge plate 25 is elastically slidably connected to the middle part of the punching knife 5 through a first spring 26, so that the waste chips cut off by the punching knife 5 can be pushed out through the first discharge plate 25, thereby realizing automatic unloading processing of cutting waste chips.

[0024] like Figure 1As shown, in order to improve the accuracy of the core punching processing, a punching processing table 7 is provided in the middle of the upper side of the machine base 1, and an iron core placement groove 8 is opened on the upper side of the punching processing table 7, which is used to clamp and position the outer side of the iron core to be punched, so as to improve the accuracy of the iron core punching processing. A photoelectric switch 24 is also provided on the inner wall of the iron core placement groove 8. The photoelectric switch 24 can sense whether the iron core is loaded. After the loading is completed, the photoelectric switch 24 transmits a signal to the PLC control cabinet 18, and the PLC control cabinet 18 controls the hydraulic cylinder 3 to drive the lifting plate 4 and the punching knife 5 to move down for punching, thereby realizing automatic punching processing.

[0025] like Figure 3 As shown, in order to enable the iron core that has been punched out in the iron core placement groove 8 to be top-unloaded, a second unloading plate 10 is provided in the groove 9 on the inner wall of the iron core placement groove 8, and the lower side of the second unloading plate 10 is elastically slidably arranged in the groove 9 by a limiting rod 12, a limiting plate 11 and a second spring 13, so that the second unloading plate 10 can be elastically slidably arranged in the groove 9, and a lifting and unloading mechanism is provided on the lower side of the second unloading plate 10, and the lifting and unloading mechanism includes a cam 17 that is rotatably arranged at the lower part of the punching processing table 7 through a rotating shaft 14, and the cam 17 is arranged below the limiting plate 11, and one end of the rotating shaft 14 is connected to a motor 16 through a gear set 15, so that the motor 16 and the gear set 15 of the lifting and unloading mechanism drive the rotating shaft 14 and the cam 17 to rotate and adjust, so as to perform the top processing of the second unloading plate 10, thereby enabling the iron core that has been punched out in the iron core placement groove 8 to be top-unloaded, and the unloading is convenient and quick, and the groove 9 is arranged as an annular groove, and the second unloading plate 10 is arranged as an annular frame plate.

[0026] like Figure 3 As shown, in order to prevent the punching knife 5 from being damaged by overheating during continuous operation, a heat dissipation mechanism is provided inside the punching knife 5. The heat dissipation mechanism includes a water cooling channel 23 provided inside the punching knife 5, and the water cooling channel 23 is configured as a spiral channel. A circulating liquid inlet pipe 22 and a circulating liquid outlet pipe 20 are provided at both ends of the water cooling channel 23, respectively. One end of the circulating liquid inlet pipe 22 and the circulating liquid outlet pipe 20 are connected to the liquid storage tank 19 through a water pump 21, so that the punching knife 5 can be water-cooled to prevent the punching knife 5 from being damaged by overheating during continuous operation. In addition, the water cooling has strong uniformity and a fast cooling rate.

[0027] The working principle and use process of the utility model are as follows: when in use, the iron core to be punched is placed flat in the iron core placement groove 8 of the punching processing table 7, and the external power supply is turned on. The lifting plate 4 and the punching knife 5 are driven downward by controlling the hydraulic cylinder 3 to punch the iron core, so that the transformer iron core with a hollow interior can be processed. In addition, a second unloading plate 10 is provided in the groove 9 on the inner wall of the iron core placement groove 8, and a lifting and unloading mechanism is provided on the lower side of the second unloading plate 10, so that the motor 16 and the gear set 15 of the lifting and unloading mechanism drive the rotating shaft 14 and the cam 17 to rotate and adjust, and the second unloading plate 10 can be pushed up, so that the iron core punched in the iron core placement groove 8 can be unloaded by pushing up, and the unloading is convenient and fast, the structure is simple, and the operation is convenient.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A transformer core automatic processing device, comprising a base (1), characterized in that: A hydraulic cylinder (3) is provided on the upper side of the machine base (1) through an upper bracket (2), a punching knife (5) is provided on the lower side of the hydraulic cylinder (3) through a lifting plate (4), a first discharge plate (25) is elastically slidably provided in a cavity inside the punching knife (5), a heat dissipation mechanism is provided inside the punching knife (5), a punching table (7) is provided in the middle of the upper side of the machine base (1), an iron core placement groove (8) is provided on the upper side of the punching table (7), a second discharge plate (10) is provided in a groove (9) on the inner wall of the iron core placement groove (8), and a lifting discharge mechanism is provided on the lower side of the second discharge plate (10).

2. The automatic transformer core processing equipment according to claim 1, characterized in that: Guide rods (6) are provided on the upper sides of both ends of the lifting plate (4), and one end of the guide rod (6) slides through the top wall of the upper bracket (2).

3. The automatic transformer core processing equipment according to claim 1, characterized in that: The lower end of the punching knife (5) is provided with an annular blade, and one side of the first discharge plate (25) is elastically slidably connected to the middle part of the punching knife (5) via a first spring (26).

4. The automatic transformer core processing equipment according to claim 1, characterized in that: The heat dissipation mechanism comprises a punching knife (5) in which a water cooling channel (23) is arranged, and the water cooling channel (23) is arranged as a spiral channel.

5. The automatic transformer core processing equipment according to claim 4, characterized in that: A circulating liquid inlet pipe (22) and a circulating liquid outlet pipe (20) are respectively provided at both ends of the water cooling channel (23), and one end of the circulating liquid inlet pipe (22) and the circulating liquid outlet pipe (20) are connected to the liquid storage tank (19) through a water pump (21).

6. The automatic transformer core processing equipment according to claim 1, characterized in that: The groove (9) is configured as an annular groove, the second unloading plate (10) is configured as an annular frame plate, and the lower side of the second unloading plate (10) is elastically slidably disposed in the groove (9) via a limiting rod (12), a limiting plate (11) and a second spring (13).

7. The automatic transformer core processing equipment according to claim 6, characterized in that: The lifting and unloading mechanism comprises a cam (17) which is rotatably arranged at the lower part of the punching processing table (7) via a rotating shaft (14); the cam (17) is arranged below the limiting plate (11).

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