CN113231529A

CN113231529A - Punching device

Info

Publication number: CN113231529A
Application number: CN202110568133.9A
Authority: CN
Inventors: 陈峥
Original assignee: Individual
Current assignee: Shenzhen Boshiming Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-08-10
Anticipated expiration: 2041-05-25
Also published as: CN113231529B

Abstract

The invention discloses a punching device which comprises a punching die and a driving device, wherein the punching die is provided with a channel, the driving device is fixedly connected with the punching die, and a punching head is arranged on the side wall of the driving device, which is close to the punching die. The steel pipe punching die has the advantages that when the steel pipe is punched, the magnetorheological fluid can be changed into a solid through the second electromagnet, so that the steel pipe is fixed through the solid magnetorheological fluid, the steel pipe is punched through the punching head conveniently, when the punching is finished, the steel pipe needs to move for one end distance for next punching, at the moment, the second electromagnet is not electrified, the magnetorheological fluid is changed into flowing liquid, so that the steel pipe can move, the steel pipe can be wrapped and fixed through the magnetorheological fluid for various types of steel pipes, the adaptability of the whole punching die is stronger, the steel pipe and the magnetorheological fluid are tightly attached, the steel pipe cannot shake when the steel pipe is punched, and the steel pipe punching quality is guaranteed.

Description

Punching device

Technical Field

The invention relates to the technical field of die punching, in particular to a punching device.

Background

The stainless steel pipe is a hollow long-strip round steel material and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like in petroleum, chemical engineering, medical treatment, food, light industry, mechanical instruments and the like. Modern production is not feasible for steel pipes, which often require punching in the process of installing or connecting other fittings.

When punching a hole to the steel pipe among the prior art, need make different cut-out press to the steel pipe of different models, consequently, traditional steel pipe cut-out press's adaptability is very poor, because the application of steel pipe is very extensive, therefore, the model of steel pipe is also more and more, punch a hole in the face of the steel pipe of multiple model, a large amount of cut-out press need be made to the producer, make the cost that the steel pipe punched a hole uprise, and the cut-out press no longer laminates the steel pipe after using for a long time, lead to the steel pipe to take place easily when punching a hole and rock, cause the skew of punching a hole, reduce the steel pipe quality of punching a hole, consequently, cut-out press need frequently overhaul, the cost that the steel pipe punched a hole has further been improved, and people's use is not convenient.

To this end, we propose a punching apparatus to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems that the applicability of a punching die is poor, the punching die cannot be well attached to a steel pipe and the like in the prior art, and provides a punching device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a punching device comprises a punching die and a driving device, wherein the punching die is provided with a channel, the driving device is fixedly connected with the punching die, the driving device is provided with a punching head close to the side wall of the punching die, the punching head extends into the channel, a plurality of first electromagnets and a plurality of second electromagnets are symmetrically arranged on two sides close to the punching head in the channel, each second electromagnet is arranged between the two first electromagnets, magnetorheological fluid is arranged on the part close to the first electromagnets and the second electromagnets in the channel, a plurality of air bags are arranged in the channel, each air bag is arranged on the outer side of the first electromagnet far away from the punching head, a piston chamber is arranged in the punching die and is communicated with the channel through a plurality of communicating pipes, the outlets of the communicating pipes are arranged in the parts of the second electromagnets, and a piston plate is connected in the piston chamber in a sliding and sealing manner, the piston chamber is internally provided with magnetorheological fluid, the piston plate is far away from a first threaded rod of the side wall fixedly connected with of the magnetorheological fluid, a first threaded cylinder matched with the first threaded rod is rotatably connected in the piston chamber, the first threaded cylinder penetrates through the piston chamber and extends out of the punching die, and a first turntable fixedly connected with one end of the first threaded cylinder, which is far away from the first threaded rod, is arranged in the first threaded cylinder.

Preferably, a plurality of grooves are formed in the side wall, close to the punching head, of the punching die, a plurality of fixing blocks are partially and fixedly connected to the part, close to the plurality of grooves, of the punching head, each fixing block is connected with a first contact through a telescopic spring in a clamping mode, a second contact is fixedly connected to the inside of each groove, and the plurality of first contacts and the plurality of second contacts are communicated with the second electromagnet.

Preferably, the outer side wall of the channel is rotatably connected with a plurality of second threaded cylinders, each second threaded cylinder is internally and rotatably connected with a second threaded rod through threads, one end of each threaded rod, which is close to the channel, is fixedly connected with a supporting block, and one end of each supporting block, which is far away from the second threaded rod, is fixedly connected with an elastic plate.

Preferably, a plurality of second inner grooves are formed in the part, close to the plurality of second threaded cylinders, of the punching die, a square groove is formed in one end, far away from the abutting block, of each second threaded rod, a square rod matched with the square groove is fixedly connected in each second inner groove, and the plurality of second threaded rods and the plurality of square rods are connected in a sliding mode.

Preferably, a first bevel gear is fixedly connected to the outer side wall of each second threaded cylinder, a plurality of double-ended bevel gear rings are rotatably connected to the portion, close to the plurality of second inner grooves, of the passage, penetrate through the plurality of second inner grooves, and the plurality of double-ended bevel gear rings are meshed with the plurality of first bevel gears.

Preferably, the punching die is symmetrically provided with two third inner grooves, each third inner groove is rotatably connected with a second bevel gear, the plurality of double-ended bevel gear rings penetrate through the plurality of third inner grooves, the plurality of double-ended bevel gear rings are meshed with the plurality of second bevel gears, and each second bevel gear is fixedly connected with a fixing rod.

Preferably, the punching die is provided with a plurality of fourth inner grooves, the fixing rods extend into the plurality of fourth inner grooves, each fixing rod extends into a worm wheel fixedly connected with the part of the fourth inner groove, the punching die is rotatably connected with a rotating rod, the rotating rod extends into the plurality of fourth inner grooves, and the part of the rotating rod extending into the fourth inner grooves is provided with a worm matched with the worm wheel.

Compared with the prior art, the invention has the beneficial effects that:

1. when the steel pipe is punched, the magnetorheological fluid can be changed into a solid through the second electromagnet, so that the steel pipe is fixed through the solid magnetorheological fluid, the steel pipe can be punched by the punching head conveniently, when the punching is finished, one end of the steel pipe needs to move for punching next time, at the moment, the second electromagnet is not electrified, the magnetorheological fluid is changed into flowing liquid, and the steel pipe can move conveniently, so that the steel pipe can be wrapped and fixed through the magnetorheological fluid for various types of steel pipes, the whole punching die is higher in adaptability, the steel pipe and the magnetorheological fluid are tightly attached, the steel pipe cannot shake when the steel pipe is punched, and the punching quality of the steel pipe is guaranteed;

2. when the magnetorheological fluid in the piston chamber is introduced into the communicating pipe, the magnetorheological fluid flows to the positions near the first electromagnets, and the magnetic field generated by the first electromagnets enables the magnetorheological fluid to form liquid with strong viscosity, so that the magnetorheological fluid cannot be diffused to a distance, the magnetorheological fluid can be limited among the first electromagnets, loss of the magnetorheological fluid is avoided, and the magnetorheological fluid near the first electromagnets is viscous liquid, so that the steel pipe can move, and the steel pipe can move to punch holes;

3. can tentatively fix the steel pipe that stretches into in the passageway through supporting board and elastic plate, conveniently fix the steel pipe to definite position, can make things convenient for a plurality of elastic plates of staff's quick adjustment to the centre gripping dynamics of steel pipe through worm gear isotructure, so that the steel pipe can remove, constantly contact and break off along with the head of punching a hole through first contact and second contact, can keep the frequency that the second electro-magnet produced magnetic field unanimous with the frequency that the head of punching a hole punched a hole to the steel pipe, so that magnetorheological suspensions is fixed to the steel pipe.

Drawings

Fig. 1 is a schematic structural diagram of a punching apparatus according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

fig. 4 is a schematic structural diagram of a piston chamber and an elastic plate of a punching apparatus according to the present invention.

In the figure: the device comprises a punching die 1, a driving device 2, a punching head 3, a channel 4, a first electromagnet 5, a second electromagnet 6, magnetorheological fluid 7, an air bag 8, a piston plate 9, a first threaded rod 10, a first threaded barrel 11, a first rotating disc 12, a fixed block 13, a telescopic spring 14, a first contact 15, a second contact 16, a second threaded rod 17, a second threaded barrel 18, a resisting block 19, an elastic plate 20, a square rod 21, a first bevel gear 22, a double-ended bevel gear ring 23, a second bevel gear 24, a fixed rod 25, a worm wheel 26, a rotating rod 27, a worm 28 and a communicating pipe 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a punching device comprises a moving device, a channel 4 is formed in a punching die 1, a driving device 2 is fixedly connected with the punching die 1, a punching head 3 is arranged on the side wall of the driving device 2 close to the punching die 1, the punching head 3 extends into the channel 4, a plurality of first electromagnets 5 and a plurality of second electromagnets 6 are symmetrically arranged on two sides of the channel 4 close to the punching head 3, each second electromagnet 6 is arranged between two first electromagnets 5, magnetorheological fluid 7 is arranged on the part of the channel 4 close to the first electromagnets 5 and the second electromagnets 6, a plurality of air bags 8 are arranged in the channel 4, each air bag 8 is arranged on the outer side of the first electromagnet 5 far away from the punching head 3, a piston chamber is arranged in the punching die 1 and is communicated with the channel 4 through a plurality of communicating pipes 29, outlets of the plurality of communicating pipes 29 are arranged on the parts of the plurality of second electromagnets 6, a piston plate 9 is connected in a piston chamber in a sliding and sealing mode, magnetorheological fluid 7 is arranged in the piston chamber, a first threaded rod 10 is fixedly connected to the side wall, away from the magnetorheological fluid 7, of the piston plate 9, a first threaded cylinder 11 matched with the first threaded rod 10 is connected in the piston chamber in a rotating mode, the first threaded cylinder 11 penetrates through the piston chamber and extends out of the punching die 1, a first rotating disc 12 is fixedly connected to one end, away from the first threaded rod 10, of the first threaded cylinder 11, when the steel pipe is punched, the magnetorheological fluid 7 can be changed into a solid through a second electromagnet 6, and therefore the steel pipe is fixed through the solid magnetorheological fluid 7, and a punching head 3 can punch the steel pipe conveniently;

when the punching is finished, one end of the steel pipe needs to be moved for punching next time, at the moment, the second electromagnet 6 is not electrified, the magnetorheological fluid 7 becomes flowing liquid, so that the steel pipe can move, the steel pipe with various types can be wrapped and fixed by the magnetorheological fluid 7, the adaptability of the whole punching die 1 is stronger, the steel pipe and the magnetorheological fluid 7 are tightly attached, the steel pipe cannot shake when the steel pipe is punched, the quality of the steel pipe punching is ensured, when the magnetorheological fluid 7 in the piston chamber is introduced into the communicating pipe 29, the magnetorheological fluid 7 flows to the positions near the first electromagnets 5, the magnetic field generated by the first electromagnets 5 enables the magnetorheological fluid 7 to form liquid with strong viscosity, and therefore the magnetorheological fluid 7 cannot be diffused to a distance, the magnetorheological fluid 7 can be limited among the first electromagnets 5, and the loss of the magnetorheological fluid 7 is avoided, because the magnetorheological fluid 7 near the first electromagnet 5 is viscous liquid, the steel pipe can move, so that the steel pipe can move to punch holes;

the side wall of the punching die 1 close to the punching head 3 is provided with a plurality of grooves, the part of the punching head 3 close to the grooves is fixedly connected with a plurality of fixed blocks 13, each fixed block 13 is connected with a first contact 15 through a telescopic spring 14 in a clamping manner, a second contact 16 is fixedly connected in each groove, the plurality of first contacts 15 and the plurality of second contacts 16 are communicated with the second electromagnet 6, the frequency of a magnetic field generated by the second electromagnet 6 can be kept consistent with the frequency of the punching head 3 for punching the steel pipe through the first contact 15 and the second contact 16 along with the continuous contact and disconnection of the punching head 3, so that the magnetorheological fluid 7 is fixed for the steel pipe, the outer side wall of the channel 4 is rotatably connected with a plurality of second threaded cylinders 18, a second threaded rod 17 is rotatably connected in each second threaded cylinder 18 through threads, one end of each threaded rod close to the channel 4 is fixedly connected with a resisting block 19, one end of each resisting block 19 far away from the second threaded rod 17 is fixedly connected with an elastic plate 20, the steel pipe extending into the channel 4 can be preliminarily fixed through the abutting plate and the elastic plate 20, the steel pipe can be conveniently fixed to a determined position, a plurality of second inner grooves are formed in the part, close to the plurality of second threaded cylinders 18, of the punching die 1, a square groove is formed in one end, away from the abutting block 19, of each second threaded rod 17, a square rod 21 matched with the square groove is fixedly connected into each second inner groove, the plurality of second threaded rods 17 are slidably connected with the plurality of square rods 21, and a first bevel gear 22 is fixedly connected to the outer side wall of each second threaded cylinder 18;

a plurality of double-ended bevel gear rings 23 are rotatably connected to the part of the passage 4 close to the plurality of second inner grooves, the plurality of double-ended bevel gear rings 23 penetrate through the plurality of second inner grooves, the plurality of double-ended bevel gear rings 23 are meshed with the plurality of first bevel gears 22, two third inner grooves are symmetrically formed in the punching die 1, a second bevel gear 24 is rotatably connected to each third inner groove, the plurality of double-ended bevel gear rings 23 penetrate through the plurality of third inner grooves, the plurality of double-ended bevel gear rings 23 are meshed with the plurality of second bevel gears 24, each second bevel gear 24 is fixedly connected with a fixing rod 25, the punching die 1 is provided with a plurality of fourth inner grooves, the plurality of fixing rods 25 extend into the plurality of fourth inner grooves, a worm 26 is fixedly connected to the part of each fixing rod 25 extending into the fourth inner grooves, a rotating rod 27 is rotatably connected to the punching die 1, the rotating rod 27 extends into the plurality of fourth inner grooves, and a worm 28 matched with the worm wheel 26 is arranged on the part of the rotating rod 27 extending into the fourth inner grooves, the clamping force of the elastic plates 20 on the steel pipe can be conveniently and quickly adjusted by workers through the structures such as the worm wheel 26, the worm 28 and the like, so that the steel pipe can move.

When the steel pipe is punched, the air bags 8 are filled with gas, the steel pipe extends into the channel 4, when a sensor passes through the air bags 8, the air bags 8 clean impurities on the surface of the steel pipe to prevent the impurities from polluting the magnetorheological fluid 7, the rotating rod 27 is rotated, the rotating rod 27 drives the worm gears 26 to rotate through the worm screws 28, the worm gears 26 drive the fixed rods 25 to rotate, the fixed rods 25 drive the second bevel gears 24 to rotate, the second bevel gears 24 drive the double-ended bevel gear rings 23 to rotate, the double-ended bevel gear rings 23 drive the first bevel gears 22 to rotate, the first bevel gears 22 drive the second threaded cylinders 18 to rotate, the square rods 21 limit the second threaded rods 17 to rotate, therefore, the second threaded rods 17 move along the second threaded cylinders 18, the second threaded rods 17 drive the abutting blocks 19 to move, and the steel pipe is preliminarily clamped through the elastic plates 20, when the position of the steel pipe is fixed, the first electromagnets 5 are started, the first rotary disc 12 is rotated, the first rotary disc 12 drives the first threaded cylinder 11 to rotate, the first threaded cylinder 11 drives the first threaded rod 10 to move, and the first threaded rod 10 drives the piston plate 9 to move, so that the magnetorheological fluid 7 in the piston chamber is pressed into the channel 4, and when the magnetorheological fluid 7 flows to the position near the first electromagnets 5, the magnetorheological fluid 7 is acted by a magnetic field to form viscous liquid, so that the magnetorheological fluid 7 cannot flow far;

when the space between the first electromagnets 5 is filled with the magnetorheological fluid 7, the first rotary disc 12 stops rotating, the magnetorheological fluid 7 wraps the steel pipe, the second electromagnet 6 is started, the magnetorheological fluid 7 forms viscous liquid by magnetic force generated by the second electromagnet 6, the driving device 2 is started, the driving device 2 drives the punching head 3 to move up and down so as to punch the steel pipe, the punching head 3 moves downwards, the first contact 15 is driven to move downwards by the fixing blocks 13 and the telescopic springs 14, when the first contact 15 is in contact with the second contact 16, the magnetism of the second electromagnets 6 is increased, therefore, the magnetorheological fluid 7 near the second electromagnet 6 becomes solid, the steel pipe is fixed, the punching head 3 punches the steel pipe downwards, after punching is finished, the punching head 3 moves upwards, and the first contact 15 is disconnected with the second contact 16, at the moment, the magnetism of the second electromagnets 6 is reduced, the magnetorheological fluid 7 is recovered to be in a viscous state, so that the steel pipe can move, after the steel pipe is moved, the punching head 3 continues to move downwards to punch the steel pipe, and the cycle is performed until the steel pipe is punched, the magnetorheological fluid 7 adhered to the steel pipe can be filtered through the air bag 8, and the loss of the magnetorheological fluid 7 is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A punching device comprises a punching die (1) and a driving device (2), and is characterized in that a channel (4) is formed in the punching die (1), the driving device (2) is fixedly connected with the punching die (1), a punching head (3) is arranged on the side wall, close to the punching die (1), of the driving device (2), the punching head (3) stretches into the channel (4), a plurality of first electromagnets (5) and a plurality of second electromagnets (6) are symmetrically arranged on two sides, close to the punching head (3), of the channel (4), each second electromagnet (6) is arranged between the two first electromagnets (5), magnetorheological fluid (7) is arranged on the portion, close to the first electromagnets (5) and the second electromagnets (6), of the channel (4), a plurality of air bags (8) are arranged in the outer side of the first electromagnets (5) far away from the punching head (3), be equipped with the piston room in cut-out press (1), the piston room is through a plurality of communicating pipes (29) and passageway (4) intercommunication, and is a plurality of the export of communicating pipe (29) is arranged in the part of a plurality of second electro-magnet (6), sliding seal connects with piston plate (9) in the piston room, be equipped with magnetorheological suspensions (7) in the piston room, the first threaded rod of lateral wall fixedly connected with (10) of magnetorheological suspensions (7) is kept away from in piston plate (9), the indoor rotation of piston is connected with first threaded cylinder (11) that match with first threaded rod (10), first threaded cylinder (11) run through the piston room and stretch out cut-out press (1), the first carousel of one end fixedly connected with (12) of first threaded rod (10) is kept away from in first threaded cylinder (11).

2. A punching apparatus according to claim 1, wherein a plurality of grooves are formed in a side wall of the punching die (1) near the punching head (3), the punching head (3) near the plurality of grooves is partially and fixedly connected with a plurality of fixing blocks (13), each fixing block (13) is connected with a first contact (15) through a telescopic spring (14) in a clamping manner, a second contact (16) is fixedly connected in each groove, and the plurality of first contacts (15) and the plurality of second contacts (16) are communicated with the second electromagnet (6).

3. A punching device according to claim 1, characterized in that a plurality of second threaded cylinders (18) are rotatably connected to the outer side wall of the channel (4), a second threaded rod (17) is rotatably connected to each second threaded cylinder (18) through threads, a resisting block (19) is fixedly connected to one end of each threaded rod close to the channel (4), and an elastic plate (20) is fixedly connected to one end of each resisting block (19) far from the second threaded rod (17).

4. A punching device according to claim 3, characterized in that the part of the punching die (1) adjacent to the second plurality of threaded cylinders (18) is provided with a second plurality of internal grooves, the end of each second threaded rod (17) remote from the abutment block (19) is provided with a square groove, a square rod (21) matching the square groove is fixedly connected in each second internal groove, and the second plurality of threaded rods (17) are slidably connected with the square rods (21).

5. A punching device according to claim 4, characterized in that a first bevel gear (22) is fixedly connected to the outer side wall of each second threaded cylinder (18), a plurality of double-ended bevel gear rings (23) are rotatably connected to the portion of the passage (4) adjacent to the plurality of second inner grooves, the plurality of double-ended bevel gear rings (23) extend through the plurality of second inner grooves, and the plurality of double-ended bevel gear rings (23) are engaged with the plurality of first bevel gears (22).

6. A punching device according to claim 5, characterized in that the punching die (1) is symmetrically provided with two third inner slots, each third inner slot is rotatably connected with a second bevel gear (24), a plurality of double-ended bevel rings (23) penetrate through the third inner slots, the double-ended bevel rings (23) are meshed with a plurality of second bevel gears (24), and each second bevel gear (24) is fixedly connected with a fixing rod (25).

7. A punching device according to claim 6, characterized in that the punching die (1) is provided with a plurality of fourth internal grooves, a plurality of fixing rods (25) extend into the plurality of fourth internal grooves, a worm wheel (26) is fixedly connected to the part of each fixing rod (25) extending into the fourth internal groove, the punching die (1) is rotatably connected with a rotating rod (27), the rotating rod (27) extends into the plurality of fourth internal grooves, and a worm (28) matched with the worm wheel (26) is arranged on the part of the rotating rod (27) extending into the fourth internal groove.