CN210188264U

CN210188264U - Generator fan cover hole flanging device

Info

Publication number: CN210188264U
Application number: CN201921127875.2U
Authority: CN
Inventors: Yundong Yang; 杨运东
Original assignee: Chongqing Hui Industry Machinery Co Ltd
Current assignee: Chongqing Hui Industry Machinery Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-03-27
Anticipated expiration: 2029-07-18

Abstract

A flanging device for a generator fan cover hole comprises an installation frame, an upper die base, a lower die base, an upper die, a lower die, a punch and a limiting piece; a positioning rod is vertically arranged on the lower die holder; the mounting frame is provided with a driving device, the bottom of the mounting frame is provided with a telescopic rod, and the bottom of the telescopic rod is arranged at the top of the upper die holder; an upper die is arranged at the bottom of the upper die base, and a plurality of punches are arranged on the upper die; the limiting piece is vertically arranged on the lower die holder; the limiting piece is provided with a base, and the peripheral surface of the limiting piece is provided with a circular outer cladding layer; a cavity is formed between the outer cladding and the base, and an air tap is arranged inside the cavity; an air cavity is arranged inside the outer cladding, and a plurality of air holes are arranged between the air cavity and the cavity; an inflator pump is arranged on the lower die base; a cable is arranged at one end of the second flat plate; the utility model discloses it is practical convenient, spacing to the work piece through air cavity and surrounding layer, accomplish processing back second flat board and lose the electricity, the cooperation elastic component uses easily, ejecting with the work piece.

Description

Generator fan cover hole flanging device

Technical Field

The utility model relates to a flanging device technical field especially relates to a generator fan cover hole flanging device.

Background

The generator generates a large amount of heat when rotating to generate electricity, and cold air must pass through the space between the stator and the rotor, so one end of the generator is provided with fan blades, the high-speed fan blades are required to blow out the cooling air, and a latticed net, namely a generator fan cover, is required to be arranged outside the generator fan cover to protect the fan blades so as to prevent objects from falling on the fan blades; motor fan housing hole need carry out the turn-ups in the in-process of processing and handle the rigidity in order to strengthen the work piece, and the turn-ups in-process work piece that punches a hole blocks easily on the lower mould among the prior art, needs artificial mode to take off, and the in-process of taking off causes the deformation of generator fan housing easily, influences the practicality.

In order to solve the problem, the application provides a generator fan cover hole flanging device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the rigidity that needs to carry out the turn-ups processing in order to strengthen the work piece in the in-process of solving the motor fan housing hole that exists among the background art, the easy card of turn-ups in-process work piece that punches a hole needs artificial mode to take off on the lower mould among the prior art, and the in-process of taking off causes the deformation of generator fan housing easily, influences practical technical problem, the utility model provides a generator fan housing hole flanging device, the utility model discloses it is practical convenient, it is spacing to the work piece through air cavity and surrounding layer, accomplishes the processing back second flat board and loses the electricity, and the cooperation elastic component uses easily, ejecting with the work piece.

(II) technical scheme

In order to solve the problems, the utility model provides a flanging device for the wind shield hole of a generator, which comprises a mounting frame, an upper die base, a lower die base, an upper die, a lower die, a punch head and a limiting part;

a positioning rod is vertically arranged on the lower die holder; the mounting rack is arranged at the top of the positioning rod; the mounting frame is provided with a driving device, the bottom of the mounting frame is provided with a telescopic rod, and the bottom of the telescopic rod is arranged at the top of the upper die holder; the driving device drives the telescopic rod to extend and retract up and down along the vertical direction; the upper die base slides up and down along the positioning rod; an upper die is arranged at the bottom of the upper die base, a plurality of punches are mounted on the upper die, and the punches are detachably connected with the upper die;

the lower die is arranged at the top of the lower die holder and is positioned right below the upper die; the limiting piece is vertically arranged on the lower die holder; the limiting pieces are distributed along the periphery of the lower die base in an annular array; the limiting piece is provided with a base, the peripheral surface of the limiting piece is provided with a circular outer cladding layer, and the outer cladding layer is an elastic body; a cavity is formed between the outer cladding and the base, and an air tap is arranged inside the cavity; an air cavity is arranged inside the outer cladding, and a plurality of air holes are arranged between the air cavity and the cavity; an inflation pump is arranged on the lower die seat, an inflation hole of the inflation pump is positioned outside the lower die seat, and the output end of the inflation pump is connected with an air tap inside the cavity through an air pipe; the top of the limiting piece is provided with a second flat plate and a first flat plate, the first flat plate is arranged above the second flat plate in parallel, an elastic piece is arranged between the first flat plate and the second flat plate, and the elastic piece stretches up and down along the vertical direction; the first flat plate is an iron plate, and the second flat plate is an electromagnet; the first flat plate is magnetically connected with the second flat plate; and one end of the second flat plate is provided with a cable, and the cable penetrates through the cavity and is electrically connected with the power switch.

Preferably, a contact pad plate is arranged on the top of the first flat plate, and the contact pad plate is an elastic pad.

Preferably, a plurality of through holes are formed in the lower die, and any one through hole corresponds to one punch one by one; the through hole is located right below the punch.

Preferably, the lower die is provided with a waste groove, and the waste groove is in conduction connection with the through hole.

Preferably, the waste chute is internally provided with a tray for facilitating collection of waste, the tray being slidably connected to the waste chute.

Preferably, the inner wall of the through hole is provided with a bump.

Preferably, the drive means is a hydraulic press.

The above technical scheme of the utility model has following profitable technological effect: firstly, a workpiece is placed on a lower die, and the workpiece is positioned through a limiting piece; then, the limiting part is inflated by an inflator pump, gas enters the air cavity from the air hole of the cavity, the air pressure in the air cavity is increased, and the outer cladding layer expands; the limit is formed between the workpiece and the workpiece, so that the workpiece cannot shake in the machining process to influence the machining precision; the power supply is switched on, the second flat plate is electrified, the workpiece is pressed downwards to enable the elastic piece to contract, and the first flat plate and the second flat plate are attracted magnetically; at the moment, the bottom of the workpiece is in contact with the top of the lower die, and then the driving device drives the telescopic rod to move downwards, so that the upper die base moves downwards along the positioning rod; the upper die and the lower die are matched, and the punch is contacted with the workpiece and then inserted into the through hole; forming a punched hole of a flanging on the surface of the workpiece; the generated waste material enters the through hole and is extruded with the lug in the through hole, so that two sides of the waste material are bent to form the shape shown in figure 3; after being bent, the waste materials are not easy to be adsorbed on the surface of the tray, so that the waste materials are more convenient to clean; the tray is taken out at regular intervals, and the waste materials in the tray are cleaned. After the processing is finished, the air tap is pulled out, and the outer cladding is reset; meanwhile, the power supply is turned off, the second flat plate is powered off, and the first flat plate is separated from the second flat plate; the workpiece is jacked up under the action of the elastic piece, so that the workpiece is conveniently taken down. The utility model discloses it is practical convenient, spacing to the work piece through air cavity and surrounding layer, accomplish processing back second flat board and lose the electricity, the cooperation elastic component uses easily, ejecting with the work piece.

Drawings

Fig. 1 is the utility model provides a generator fan housing hole flanging device's schematic structure diagram.

Fig. 2 is the utility model provides an internal structure schematic diagram of locating part in generator hood hole flanging device.

Fig. 3 is the structural schematic diagram of the through hole in the wind shield hole flanging device of the generator provided by the utility model.

Reference numerals: 1. a lower die holder; 2. positioning a rod; 3. an upper die holder; 4. a mounting frame; 5. a drive device; 6. a telescopic rod; 7. an upper die; 8. a punch; 9. a workpiece; 10. a limiting member; 11. a through hole; 12. a waste tank; 13. a tray; 14. a bump; 15. contacting the backing plate; 16. a first plate; 17. an elastic member; 18. a second plate; 19. an outer cladding; 20. an air cavity; 21. air holes; 22. a base; 23. an inflator pump; 24. an air tap; 25. a cable wire; 26. and (5) a lower die.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the flanging device for the generator fan cover hole provided by the present invention comprises an installation frame 4, an upper die base 3, a lower die base 1, an upper die 7, a lower die 26, a punch 8 and a limiting member 10;

a positioning rod 2 is vertically arranged on the lower die holder 1; the mounting rack 4 is arranged at the top of the positioning rod 2; a driving device 5 is arranged on the mounting frame 4, a telescopic rod 6 is arranged at the bottom of the mounting frame 4, and the bottom of the telescopic rod 6 is arranged at the top of the upper die holder 3; the driving device 5 drives the telescopic rod 6 to extend and retract up and down along the vertical direction; the upper die holder 3 slides up and down along the positioning rod 2; an upper die 7 is arranged at the bottom of the upper die holder 3, a plurality of punches 8 are mounted on the upper die 7, and the punches 8 are detachably connected with the upper die 7;

the lower die 26 is arranged at the top of the lower die holder 1, and the lower die 26 is positioned right below the upper die 7; the limiting piece 10 is vertically arranged on the lower die holder 1; a plurality of the limiting pieces 10 are distributed along the periphery of the lower die holder 1 in an annular array; a base 22 is arranged on the limiting piece 10, a circular outer cladding 19 is arranged on the outer circumferential surface of the limiting piece 10, and the outer cladding 19 is an elastic body; a cavity is formed between the outer cladding 19 and the base 22, and an air nozzle 24 is arranged inside the cavity; an air cavity 20 is arranged inside the outer cladding 19, and a plurality of air holes 21 are arranged between the air cavity 20 and the cavity; an inflator 23 is arranged on the lower die holder 1, an inflation hole 21 of the inflator 23 is positioned outside the lower die holder 1, and the output end of the inflator 23 is connected with an air tap 24 inside the cavity through an air pipe; a second flat plate 18 and a first flat plate 16 are arranged at the top of the limiting member 10, the first flat plate 16 is arranged above the second flat plate 18 in parallel, an elastic member 17 is arranged between the first flat plate 16 and the second flat plate 18, and the elastic member 17 stretches up and down along the vertical direction; the first flat plate 16 is an iron plate, and the second flat plate 18 is an electromagnet; the first plate 16 is magnetically connected to the second plate 18; one end of the second plate 18 is provided with a cable 25, and the cable 25 passes through the cavity and is electrically connected with the power switch.

In the utility model, firstly, a workpiece 9 is placed on a lower die 26, and the workpiece 9 is positioned through a limiting part 10; then, the limiting part 10 is inflated through an inflator pump 23, the air enters the air cavity 20 from the air hole 21 of the cavity, the air pressure in the air cavity 20 is increased, and the outer cladding 19 is expanded; the limiting part is formed with the workpiece 9, so that the workpiece 9 cannot shake in the machining process to influence the machining precision; when the power supply is switched on, the second flat plate 18 is electrified, the workpiece 9 is pressed downwards to enable the elastic piece 17 to contract, and the first flat plate 16 and the second flat plate 18 are attracted magnetically; at the moment, the bottom of the workpiece 9 is in contact with the top of the lower die 26, and then the driving device 5 drives the telescopic rod 6 to move downwards, so that the upper die holder 3 moves downwards along the positioning rod 2; the upper die 7 and the lower die 26 are matched, and the punch 8 is inserted into the through hole 11 after contacting with the workpiece 9; forming a punched hole of a flanging on the surface of the workpiece 9; the generated scraps enter the inside of the through hole 11 and are extruded with the bump 14 inside the through hole 11, so that the two sides of the scraps are bent to form the shape shown in fig. 3; the waste materials are not easy to be adsorbed on the surface of the tray 13 after being bent, and the cleaning is more convenient; the tray 13 is taken out periodically, and the waste material inside is cleaned. After the processing is finished, the air tap 24 is pulled out, and the outer cladding 19 is reset; meanwhile, the power supply is turned off, the second flat plate 18 is powered off, and the first flat plate 16 is separated from the second flat plate 18; the workpiece 9 is jacked up under the action of the elastic piece 17, so that the workpiece 9 is convenient to take down.

In an alternative embodiment, the top of the first plate 16 is provided with a contact pad 15, the contact pad 15 being an elastic pad.

In an optional embodiment, the lower die 26 is provided with a plurality of through holes 11, and any one of the through holes 11 corresponds to one punch 8; the through hole 11 is located directly below the punch 8.

In an alternative embodiment, the lower mold 26 is provided with a waste groove 12, and the waste groove 12 is in communication with the through hole 11.

In an alternative embodiment, the waste chute 12 is internally provided with a tray 13 for facilitating collection of waste, the tray 13 being slidably connected to the waste chute 12.

In an alternative embodiment, the inner wall of the through hole 11 is provided with a projection 14.

In an alternative embodiment, the drive means 5 is a hydraulic machine.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A flanging device for a generator fan cover hole is characterized by comprising an installation frame (4), an upper die holder (3), a lower die holder (1), an upper die (7), a lower die (26), a punch (8) and a limiting piece (10);

a positioning rod (2) is vertically arranged on the lower die holder (1); the mounting rack (4) is arranged at the top of the positioning rod (2); a driving device (5) is arranged on the mounting rack (4), a telescopic rod (6) is arranged at the bottom of the mounting rack (4), and the bottom of the telescopic rod (6) is arranged at the top of the upper die holder (3); the driving device (5) drives the telescopic rod (6) to vertically extend and retract along the vertical direction; the upper die holder (3) slides up and down along the positioning rod (2); an upper die (7) is arranged at the bottom of the upper die holder (3), a plurality of punches (8) are mounted on the upper die (7), and the punches (8) are detachably connected with the upper die (7);

the lower die (26) is arranged at the top of the lower die holder (1), and the lower die (26) is positioned right below the upper die (7); the limiting piece (10) is vertically arranged on the lower die holder (1); the limiting pieces (10) are distributed in a plurality along the periphery of the lower die holder (1) in an annular array; a base (22) is arranged on the limiting piece (10), a circular outer cladding (19) is arranged on the outer peripheral surface of the limiting piece (10), and the outer cladding (19) is an elastic body; a cavity is formed between the outer cladding (19) and the base (22), and an air nozzle (24) is arranged in the cavity; an air cavity (20) is arranged inside the outer cladding (19), and a plurality of air holes (21) are arranged between the air cavity (20) and the cavity; an inflator pump (23) is arranged on the lower die seat (1), an inflation hole (21) of the inflator pump (23) is positioned outside the lower die seat (1), and the output end of the inflator pump (23) is connected with an air nozzle (24) inside the cavity through an air pipe; a second flat plate (18) and a first flat plate (16) are arranged at the top of the limiting piece (10), the first flat plate (16) is arranged above the second flat plate (18) in parallel, an elastic piece (17) is arranged between the first flat plate (16) and the second flat plate (18), and the elastic piece (17) stretches up and down along the vertical direction; the first flat plate (16) is an iron plate, and the second flat plate (18) is an electromagnet; the first plate (16) is magnetically connected with the second plate (18); one end of the second flat plate (18) is provided with a cable (25), and the cable (25) penetrates through the cavity and is electrically connected with the power switch.

2. The hole flanging device for the generator wind shield is characterized in that a contact backing plate (15) is arranged at the top of the first flat plate (16), and the contact backing plate (15) is an elastic pad.

3. The flanging device for the wind shield hole of the generator according to claim 1, wherein a plurality of through holes (11) are formed in the lower die (26), and any one through hole (11) corresponds to one punch (8); the through hole (11) is located right below the punch (8).

4. The flanging device for the hole of the generator hood according to claim 3, wherein the lower die (26) is provided with a waste groove (12), and the waste groove (12) is in conduction connection with the through hole (11).

5. Generator hood aperture flanging device according to claim 4, characterized in that the inside of the waste chute (12) is provided with a tray (13) for collecting waste, the tray (13) being slidably connected to the waste chute (12).

6. The hole flanging device for the generator wind shield is characterized in that a convex block (14) is arranged on the inner wall of the through hole (11).

7. The flanging device for the wind shield hole of the generator according to claim 1, wherein the driving device (5) is a hydraulic press.