CN113118318B

CN113118318B - Automatic cooling device and method for punching machine die

Info

Publication number: CN113118318B
Application number: CN202110491347.0A
Authority: CN
Inventors: 陈东; 尹懋辉; 马栋
Original assignee: Qingdao Ruilijie Metal Co ltd
Current assignee: Qingdao Ruilijie Metal Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-11-25
Anticipated expiration: 2041-05-06
Also published as: CN113118318A

Abstract

The invention provides an automatic cooling device and method for a punching machine die, which comprises a fixing component, a first cooling component, a second cooling component, a third cooling component, a fourth cooling component, an evaporating component and an auxiliary component, wherein in the process that a hydraulic cylinder of a punching machine drives an upper die and a lower die to punch parts, the third cooling component and the fourth cooling component respectively absorb heat generated in the punching process of the upper die and the lower die, collect the heat into the third cooling component, and discharge the absorbed heat through the second cooling component, the first cooling component absorbs and discharges the heat of water in a first water tank arranged in the third cooling component, and the evaporating component enhances the cooling effects of the first cooling component and the second cooling component.

Description

Automatic cooling device and method for punching machine die

Technical Field

The invention relates to the technical field of punching machine cooling devices, in particular to an automatic cooling device and method for a punching machine die.

Background

The relative motion between the die of the stamping machine and a workpiece is rubbed in the using process, the temperature of the die is increased due to no good heat dissipation in the continuous stamping process, and the die is not enough in rigidity and toughness due to the influence of various loads and alternating temperatures and the performance change of materials in the using process, so that the stamping die fails due to the fact that the stamping die cannot normally work, the abrasion speed is accelerated, and the working performance of the die is also rapidly reduced.

Disclosure of Invention

The embodiment of the invention provides an automatic cooling device and method for a punching machine die, wherein a first heat dissipation assembly, a second heat dissipation assembly, a third heat dissipation assembly, a fourth heat dissipation assembly and an evaporation assembly are arranged, in the process that a hydraulic cylinder of a punching machine drives an upper die and a lower die to punch parts, the third heat dissipation assembly and the fourth heat dissipation assembly respectively absorb heat generated in the punching process of the upper die and the lower die, collect the heat into the third heat dissipation assembly, discharge the absorbed heat through the second heat dissipation assembly, absorb and discharge the heat of water in a first water tank arranged in the third heat dissipation assembly through the first heat dissipation assembly, enhance the heat dissipation effect of the first heat dissipation assembly and the second heat dissipation assembly through the evaporation assembly, and solve the problems that a punching die cannot normally work and fails in the use process of the existing punching machine, the abrasion speed is accelerated, and the working performance of the die is rapidly reduced due to the temperature rise of the die.

In view of the above problems, the technical solution proposed by the present invention is:

an automatic cooling device of a punching machine die comprises:

the fixing assembly comprises a rack, a first box body, a second box body and a guide block;

the first box body, the guide block and the second box body are sequentially arranged inside the rack from top to bottom, a first exhaust port and a second exhaust port are sequentially arranged on the top of the first box body from left to right, a first air inlet is formed in one side of the first box body, a second air inlet is formed in the other side of the first box body, and a hydraulic cylinder is mounted at the bottom of the first box body;

the third heat dissipation assembly comprises a first water tank, a first heat exchange device, a second heat exchange device, a third heat conduction pipe, a bearing block, a heat conduction layer and a first heat conduction block;

the first water tank is mounted at the bottom of the hydraulic cylinder, the surface of the first water tank is in sliding connection with the surface of the guide block, the first heat exchange device and the second heat exchange device are sequentially arranged inside the first water tank from top to bottom, the first heat conduction block is arranged at the bottom of the first water tank, an upper mold is arranged at the bottom of the first heat conduction block, the force bearing block is arranged between the first heat conduction block and the upper mold, the heat conduction layer is arranged in a gap among the force bearing block, the first heat conduction block and the upper mold, a groove is formed in the surface of one side, close to the upper mold, of the first heat conduction block, the third heat conduction pipe is arranged inside the first heat conduction block, one end of the third heat conduction pipe is communicated with one end of the second heat exchange device, and the other end of the third heat conduction pipe is communicated with the other end of the second heat exchange device;

the first heat dissipation assembly comprises a first exhaust hood, a first fan, a second fan, a first radiator, a first water pump, a first water outlet pipe, a first water inlet pipe, a first spring pipe, a first limiting block, a second spring pipe and a second limiting block;

wherein, the first exhaust hood is arranged on one side of the top of the inner wall of the first box body, the first fan, the first radiator and the second fan are sequentially arranged inside the first exhaust hood from top to bottom, the inside of the first exhaust hood is of a hollow structure, the top of the first exhaust hood is communicated with the first exhaust port, one side of the first exhaust hood is communicated with the first air inlet, the first water pump is arranged on the top of the inner wall of the first box body and is positioned on one side of the first exhaust hood, one end of the first water outlet pipe is communicated with the water outlet of the first water pump, the other end of the first water outlet pipe is sequentially communicated with the other side of the first exhaust hood, the first radiator, the second fan and the bottom of the first exhaust hood and extends to the outside of the first exhaust hood, one end of the first spring tube is communicated with the other end of the first water outlet pipe, the other end of the first spring tube sequentially penetrates through the bottom of the inner wall of the first box body and the top of the first water tank and is communicated with one end of the first heat exchange device, the first limiting block is arranged on the surface of one end, close to the first water outlet pipe, of the first spring tube and is used for fixing the position, close to one end of the first water outlet pipe, of the first spring tube, one end of the first water inlet pipe is communicated with the water inlet of the first water pump, one end of the second spring tube is communicated with the other end of the first water inlet pipe, the other end of the second spring tube sequentially penetrates through the bottom of the inner wall of the first box body and the top of the first water tank and is communicated with the other end of the first heat exchange device, and the second limiting block is arranged on the surface of one end, close to the first water inlet pipe, of the second spring tube, the position of one end, close to the first water inlet pipe, of the second spring pipe is fixed;

the second heat dissipation assembly comprises a second exhaust hood, a third fan, a fourth fan, a second radiator, a second water pump, a second water outlet pipe, a second water inlet pipe, a third spring pipe, a third limiting block, a fourth spring pipe and a fourth limiting block;

wherein the second exhaust hood is arranged on the other side of the top of the inner wall of the first box body, the third fan, the second radiator and the fourth fan are sequentially arranged in the second exhaust hood from top to bottom, the inside of the second exhaust hood is of a hollow structure, the top of the second exhaust hood is communicated with the second exhaust port, one side of the second exhaust hood is communicated with the second air inlet, the second water pump is arranged on the top of the inner wall of the first box body and is positioned on one side of the second exhaust hood, one end of the second water outlet pipe is communicated with the water outlet of the second water pump, and the other end of the second water outlet pipe is sequentially communicated with the other side of the second exhaust hood, the second radiator, the second fan and the bottom of the second exhaust hood and extends to the outside of the second exhaust hood, one end of the third spring tube is communicated with the other end of the second water outlet pipe, the other end of the third spring tube sequentially penetrates through the bottom of the inner wall of the first box body and the top of the first water tank and is communicated with one end of the second heat exchange device, the second limiting block is arranged on the surface of one end, close to the second water outlet pipe, of the third spring tube and is used for fixing the position, close to one end of the second water outlet pipe, of the third spring tube, one end of the second water inlet pipe is communicated with the water inlet of the second water pump, one end of the fourth spring tube is communicated with the other end of the second water inlet pipe, the other end of the fourth spring tube sequentially penetrates through the bottom of the inner wall of the first box body and the top of the first water tank and is communicated with the other end of the second heat exchange device, and the second limiting block is arranged on the surface, close to the one end of the second water inlet pipe, of the fourth spring tube, the position of one end, close to the second water inlet pipe, of the fourth spring pipe is fixed;

a fourth heat dissipation assembly, which includes a third heat exchange device, a fifth spring tube, a sixth spring tube and a second heat conduction block;

the third heat exchange device is arranged in the second box body, the second heat conduction block is arranged at the top of the second box body, a lower die is arranged at the top of the second heat conduction block, the bottom of the second heat conduction block is contacted with the third heat exchange device, one end of a fifth spring tube is communicated with one end of the third heat exchange device, the other end of the fifth spring tube sequentially penetrates through one side of the second box body and one side, close to one end of the third spring tube, of the first water tank and is communicated with one end of the second heat exchange device, one end of a sixth spring tube is communicated with the other end of the third heat exchange device, and the other end of the sixth spring tube sequentially penetrates through the other side of the second box body and one side, close to the fourth spring tube, of the first water tank and is communicated with the other end of the second heat exchange device;

the evaporation assembly comprises a water supply device, a first evaporation device and a second evaporation device;

the water supply device comprises a second water tank and a first sealing plug, the second water tank is arranged on the top of the inner wall of the first box body and is positioned between the first water pump and the second water pump, the first sealing plug sequentially penetrates through the first box body and the second water tank from top to bottom, the first sealing plug is used for opening and closing the second water tank, the first evaporation device is arranged in the first exhaust hood and is communicated with one side, close to the first water pump, of the second water tank, the second evaporation device is arranged in the second exhaust hood and is communicated with one side, close to the second water pump, of the second water tank;

the auxiliary assembly comprises an exhaust pipe, a one-way valve, a second sealing plug and a water level meter;

one end of the exhaust pipe is communicated with one side of the first water tank, the one-way valve is communicated with one end of the exhaust pipe, the second sealing plug and the water level gauge are sequentially arranged on one side of the exhaust pipe from top to bottom, the second sealing plug is used for opening and closing the exhaust pipe, and the water level gauge is communicated with the interior of the exhaust pipe and used for displaying the liquid level in the exhaust pipe.

In order to better realize the technical scheme of the invention, the following technical measures are also adopted.

Furthermore, the first heat exchange device comprises a first heat pipe and a first heat conducting fin, the first heat pipe is transversely arranged inside the first water tank, the number of the first heat conducting fin is at least more than one, and the first heat conducting fin is transversely arranged on the surface of the first heat pipe, one end of the first heat pipe is communicated with the other end of the first spring pipe, one end of the first heat pipe is communicated with the other end of the second spring pipe, and water is arranged inside the first water outlet pipe, the second water outlet pipe, the first water inlet pipe, the second water inlet pipe, the first heat pipe, the first spring pipe, the second spring pipe, the third spring pipe and the fourth spring pipe.

Furthermore, the second heat exchange device includes a second heat pipe and a second heat conducting fin, the second heat pipe is transversely disposed inside the first water tank, the number of the second heat conducting fin is at least greater than one, and the second heat conducting fin is transversely disposed on the surface of the second heat pipe, one end of the second heat pipe is communicated with the other end of the third spring pipe, one end of the second heat pipe is communicated with the other end of the fourth spring pipe, the third heat pipe is distributed inside the first heat conducting block in an S-shaped manner, one end of the third heat pipe is communicated with one end of the second heat pipe close to the third spring pipe, the other end of the third heat pipe is communicated with one end of the second heat pipe close to the fourth spring pipe, and water is disposed inside the second heat pipe, the fifth spring pipe, the sixth spring pipe and the third heat pipe.

Further, first radiator includes first cooling tube and first fin, first cooling tube set up in the inside of first exhaust hood, first outlet pipe with first cooling tube intercommunication, the second radiator includes second cooling tube and second fin, the second cooling tube set up in the inside of second exhaust hood, the second outlet pipe with second cooling tube intercommunication, first cooling tube with the inside of second cooling tube all is provided with water.

Further, the second water outlet pipe penetrates through the edge of the fourth fan, a gap is formed between the second water outlet pipe and the blades of the fourth fan, and is used for not influencing the normal operation of the fourth fan, the first water outlet pipe penetrates through the edge of the second fan, and a gap is formed between the first water outlet pipe and the blades of the second fan and is used for not influencing the normal operation of the second fan.

Furthermore, the third heat exchange device includes a fourth heat conduction pipe and a third heat conduction sheet, the fourth heat conduction pipe is transversely disposed inside the second box, the number of the third heat conduction sheets is at least greater than one, one side of the third heat conduction sheet close to the lower mold penetrates through the top of the second box from bottom to top and is connected with the bottom of the second heat conduction block, one end of the fifth spring tube is communicated with one end of the fourth heat conduction pipe, the other end of the fifth spring tube is communicated with one end of the second heat conduction pipe close to the third spring tube, one end of the sixth spring tube is communicated with the other end of the fourth heat conduction pipe, and the other end of the fifth spring tube is communicated with one end of the second heat conduction pipe close to the fourth spring tube.

Further, first evaporation plant includes first pipeline, first sponge and first filter screen, first filter screen set up in the inside of first exhaust hood is located the below of second fan, first outlet pipe top-down link up first filter screen, the one end of first pipeline with the second water tank is close to one side intercommunication of first water pump, the other end of first pipeline link up first exhaust hood is close to one side of first water pump with first filter screen contact, first sponge set up in the inside of first pipeline, first sponge with first filter screen contact.

Furthermore, the second evaporation plant includes second pipeline, second sponge and second filter screen, the second filter screen set up in the inside of second exhaust hood is located the below of fourth fan, second outlet pipe top-down link up the second filter screen, the one end of second pipeline with the second water tank is close to one side intercommunication of second water pump, the other end of second pipeline link up the second exhaust hood is close to one side of second water pump with the second filter screen contact, the second sponge set up in the inside of second pipeline, the second sponge with the second filter screen contact.

Furthermore, one end of the exhaust pipe, which is far away from the first water tank, is bent towards the first water tank to be parallel to the first water tank, the height of the highest point horizontal position of one end of the exhaust pipe, which is far away from the first water tank, is greater than that of the highest point horizontal position of the first water tank, and water is arranged in the second tank body, the first water tank and the second water tank.

A working method of an automatic temperature reduction device of a punching machine die comprises the following steps:

s1, carrying out heat exchange for the first time, wherein in the process that a hydraulic cylinder pushes an upper die to be matched with a lower die to punch a workpiece, heat generated by the upper die is transferred to a first water tank and a third heat conduction pipe through a first heat conduction block, heat generated by the lower die is transferred to a second box body and a third heat conduction sheet through a second heat conduction block, heat of the third heat conduction sheet is transferred to the inside of the second box body and the inside of the fourth heat conduction pipe, a second water pump sequentially transfers water in the fourth spring pipe, the second heat conduction pipe, the third heat conduction pipe, the sixth spring pipe and the fourth heat conduction pipe to the inside of a second radiating pipe through a second water inlet pipe, heat of water in the second radiating pipe is transferred to the second radiating pipe, the third fan and the fourth fan suck air through a second air inlet, heat exchange is carried out on the second radiating pipe, the heat is reduced by the heat, and the water cooled in the second radiating pipe is sequentially transferred to the third spring pipe, the fifth spring pipe, the second heat conduction pipe and the fourth heat conduction pipe;

s2, circularly cooling for the first time, and repeating the step S1 to reduce the temperature of the upper die and the lower die;

s3, performing heat exchange for the second time, wherein after the water temperature in the first water tank is high, hot water rises to the upper part of the inside of the first water tank and is transmitted to the first heat conducting sheet and the inside of the first heat conducting pipe, the first water pump conveys water in the second spring pipe and the first heat conducting pipe to the inside of the first radiating pipe through the first water inlet pipe, the heat in the first radiating pipe is transmitted to the first radiating sheet, the first fan and the second fan suck air through the first air inlet, the heat is taken away to reduce the temperature of the water in the first radiating pipe through heat exchange with the first radiating sheet, and the first water pump conveys the cooled water to the insides of the first spring pipe and the second heat conducting pipe through the first water outlet pipe;

s4, circularly cooling for the second time, and repeating the step S3 to reduce the temperature in the first water tank;

and S5, evaporating and cooling, wherein water in the second water tank enters the first filter screen through the first pipeline and the first sponge, in the step S3, the first fan and the second fan suck air through the first air inlet and are firstly contacted with the first filter screen in the process of heat exchange with the first radiating fin, the water on the first filter screen reduces the temperature of the sucked air in the process of evaporation, the low-temperature air is discharged through the first air outlet after being subjected to heat exchange with the first radiating fin, in the step S1, the third fan and the fourth fan suck air through the second air inlet and are firstly contacted with the second filter screen in the process of heat exchange with the second radiating fin, the water on the second filter screen reduces the temperature of the sucked air in the process of evaporation, and the low-temperature air is discharged through the second air outlet after being subjected to heat exchange with the second radiating fin.

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

1. through setting up first radiator unit, second radiator unit, third radiator unit, fourth radiator unit, in-process that the pneumatic cylinder of punching machine drove mould and bed die stamping part, third radiator unit and fourth radiator unit absorb the heat that produces in mould and the bed die stamping process respectively, and collect the inside of third radiator unit, and discharge the heat that absorbs through second radiator unit, first radiator unit absorbs the heat of the inside water of first water tank that sets up in the third radiator unit and discharges, the problem that does not have good heat dissipation in the use that has solved present punching machine existence, the temperature rise of mould leads to the die to work normally and inefficacy, the wearing and tearing speed accelerates, the also decline rapidly of mould working property.

2. The evaporation assembly reduces the temperature of the air entering the first heat dissipation assembly and the second heat dissipation assembly through evaporation moisture, enhances the heat dissipation effect, and solves the problems that the existing punching machine does not have good heat dissipation in the use process, the temperature of the die rises, so that the punching die cannot normally work and fails, the abrasion speed is accelerated, and the working performance of the die also rapidly drops.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Fig. 1 is a schematic structural view of an automatic cooling device for a die of a punch, according to an embodiment of the present invention;

FIG. 2 is a schematic front sectional view of an automatic cooling device for a stamping press die according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is an enlarged view of the structure at C in FIG. 2;

FIG. 6 is an enlarged view of the structure shown at D in FIG. 2;

fig. 7 is a schematic flow chart illustrating a working method of an automatic cooling device for a die of a punch according to an embodiment of the present invention.

Reference numerals: 100. a fixing assembly; 101. a frame; 102. a first case; 10201. a first exhaust port; 10202. a second exhaust port; 10203. a first air inlet; 10204. a second air inlet; 103. a second case; 104. a guide block; 200. a first heat dissipation assembly; 201. a first exhaust hood; 202. a first fan; 203. a second fan; 204. a first heat sink; 20401. a first radiating pipe; 20402. a first heat sink; 205. a first water pump; 206. a first water outlet pipe; 207. a first water inlet pipe; 208. a first spring tube; 209. a first stopper; 2010. a second spring tube; 2011. a second limiting block; 300. a second heat dissipation assembly; 301. a second exhaust hood; 302. a third fan; 303. a fourth fan; 304. a second heat sink; 30401. a second heat dissipation pipe; 30402. a second heat sink; 305. a second water pump; 306. a second water outlet pipe; 307. a second water inlet pipe; 308. a third spring tube; 309. a third limiting block; 3010. a fourth spring tube; 3011. a fourth limiting block; 400. a third heat dissipation assembly; 401. a first water tank; 402. a first heat exchange means; 40201. a first heat conductive pipe; 40202. a first thermally conductive sheet; 403. a second heat exchange means; 40301. a second heat conductive pipe; 40302. a second thermally conductive sheet; 404. a third heat conductive pipe; 405. a bearing block; 406. a heat conductive layer; 407. a first heat-conducting block; 40701. a groove; 500. a fourth heat dissipation assembly; 501. a third heat exchange means; 50101. a fourth heat conductive pipe; 50102. a third thermally conductive sheet; 502. a fifth spring tube; 503. a sixth spring tube; 504. a second heat-conducting block; 600. an evaporation assembly; 601. a water supply device; 60101. a second water tank; 60102. a first sealing plug; 602. a first evaporation device; 60201. a first conduit; 60202. a first sponge; 60203. a first filter screen; 603. a second evaporation device; 60301. a second pipe; 60302. a second sponge; 60303. a second filter screen; 700. an auxiliary component; 701. an exhaust pipe; 702. a one-way valve; 703. a second sealing plug; 704. a water level gauge; 800. an upper die; 900. a lower die; 1000. and a hydraulic cylinder.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

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 to 6, an automatic cooling device for a press mold includes a fixing member 100, a first heat dissipation member 200, a second heat dissipation member 300, a third heat dissipation member 400, a fourth heat dissipation member 500, an evaporation member 600, and an auxiliary member 700.

Referring to fig. 1-4, the fixing assembly 100 includes a frame 101, a first case 102, a second case 103, and guide blocks 104, the first case 102, the guide blocks 104, and the second case 103 are sequentially disposed inside the frame 101 from top to bottom, the guide blocks 104 are angle steels, the number of the guide blocks 104 is four, the guide blocks are respectively welded to the periphery of the inside of the frame 101 to limit the moving direction of the upper mold 800, the top of the first case 102 is sequentially provided with a first air outlet 10201 and a second air outlet 10202 from left to right, one side of the first case 102 is provided with a first air inlet 10203, the other side of the first case 102 is provided with a second air inlet 10204, the bottom of the first case 102 is provided with a hydraulic cylinder 1000, air with a relatively low temperature is sucked through the first air inlet 10203 and the second air inlet 10204 to be discharged through the first air outlet 10201 and the second air outlet 10202 after heat exchange with the first heat dissipating assembly 200 and the second heat dissipating assembly 300 inside the first case 102, the temperature of the upper mold 800 and the lower mold 900 is reduced, the problem that the upper mold 800 and the lower mold may be rapidly worn due to a failure of a stamping press during a normal work process.

Referring to fig. 1-2 and 5, the third heat dissipation assembly 400 includes a first tank 401, a first heat exchange device 402, a second heat exchange device 403, a third heat conduction pipe 404, a bearing block 405, a heat conduction layer 406, and a first heat conduction block 407, the first tank 401 is mounted at the bottom of the hydraulic cylinder 1000, the surface of the first tank 401 is slidably connected with the surface of the guide block 104, the first heat exchange device 402 and the second heat exchange device 403 are sequentially disposed inside the first tank 401 from top to bottom, the first heat conduction block 407 is disposed at the bottom of the first tank 401, an upper mold 800 is disposed at the bottom of the first heat conduction block 407, the bearing block 405 is disposed between the first heat conduction block 407 and the upper mold 800, and the heat conduction layer 406 is disposed between the bearing block 405 and the bearing block 405 for supporting, a certain gap is kept between an upper die 800 and a first heat conduction block 407, so as to prevent the upper die 800 from being damaged due to extrusion to the heat conduction layer 406 in the stamping process, in the gap between the first heat conduction block 407 and the upper die 800, the heat conduction layer 406 is made of heat conduction silicone grease which is used for filling the gap between the first heat conduction block 407 and the upper die 800, so as to facilitate the heat of the upper die 800 to be transferred to the first heat conduction block 407, a groove 40701 is formed on one side surface of the first heat conduction block 407 close to the upper die 800, the third heat conduction pipe 404 is arranged inside the first heat conduction block 407, one end of the third heat conduction pipe 404 is communicated with one end of the second heat exchange device 403, the other end of the third heat conduction pipe 404 is communicated with the other end of the second heat exchange device 403, the first heat exchange device 402 comprises a first heat conduction pipe 40201 and a first heat conduction sheet 40202, the first heat conduction pipe 40201 is welded in the first water tank 401 in the transverse direction, the number of the first heat conduction sheets 40202 is at least more than one, and the first heat conduction pipe 40201 is welded in the surface of the first heat conduction pipe 40201 in the transverse direction, one end of the first heat conduction pipe 40201 is communicated with the other end of the first pogo pin 208, one end of the first heat conduction pipe 40201 is communicated with the other end of the second pogo pin 2010, water is arranged in each of the first water outlet pipe 206, the second water outlet pipe 306, the first water inlet pipe 207, the second water inlet pipe 307, the first heat conduction pipe 40201, the first pogo pin 208, the second pogo pin 2010, the third pogo pin 308 and the fourth pogo pin 3010, the second heat exchanging device 403 includes a second heat conduction pipe 40301 and a second heat conduction sheet 40302, the second heat conduction pipe 40301 is arranged in the first water tank 401 in the transverse direction, at least one of the second heat conduction fins 40302 is provided, and is welded on the surface of the second heat conduction pipe 40301 in the transverse direction, one end of the second heat conduction pipe 40301 is communicated with the other end of the third pogo pin 308, one end of the second heat conduction pipe 40301 is communicated with the other end of the fourth pogo pin 3010, the third heat conduction pipe 404 is distributed inside the first heat conduction block 407 in an S shape for increasing the contact area with the first heat conduction block 407, one end of the third heat conduction pipe 404 is communicated with one end of the second heat conduction pipe 40301 close to the third pogo pin 308, the other end of the third heat conduction pipe 404 is communicated with one end of the second heat conduction pipe 40301 close to the fourth pogo pin 3010, and water is provided inside each of the second heat conduction pipe 40301, the fifth pogo pin 502, the sixth pogo pin 503 and the third heat conduction pipe 404;

in this embodiment, in the process that the hydraulic cylinder 1000 pushes the upper die 800 to cooperate with the lower die 900 to punch a workpiece, heat generated by the upper die 800 is transferred to the first water tank 401 and the third heat conduction pipe 404 through the first heat conduction block 407, water inside the first water tank 401 and water inside the third heat conduction pipe 404 are heated and transferred to the second heat conduction fin 40302 in the flowing process, part of the heat on the second heat conduction fin 40302 is transferred to the water inside the first water tank 401, the second water pump 305 sequentially transfers the fourth spring pipe 3010, the second heat conduction pipe 40301 and the water inside the third heat conduction pipe 404 to the inside of the second heat dissipation pipe 30401 through the second water inlet pipe 307, heat of the water inside the second heat dissipation pipe 30401 is transferred to the second heat dissipation fin 30402, the third fan 302 and the fourth fan 303 suck air through the second air inlet 10204, heat is transferred to the second heat dissipation fin 30402 by heat exchange with the second heat sink, the heat is carried away to reduce the temperature of the water inside the second heat dissipation pipe 30401, the second water pump 305 returns the second heat conduction pipe 306 and the heat conduction pipe 40301 to the die 900 to be quickly, and the problem that the die does not wear down in the normal process is solved, and the die 800 is not lowered.

Referring to fig. 1-3, the first heat dissipation assembly 200 includes a first exhaust hood 201, a first fan 202, a second fan 203, a first heat sink 204, a first water pump 205, a first water outlet pipe 206, a first water inlet pipe 207, a first spring pipe 208, a first limit block 209, a second spring pipe 2010, and a second limit block 2011, the first exhaust hood 201 is disposed on one side of the top of the inner wall of the first box 102, the first fan 202, the first heat sink 204, and the second fan 203 are sequentially disposed inside the first exhaust hood 201 from top to bottom, the first exhaust hood 201 is hollow, the top of the first exhaust hood 201 is communicated with the first exhaust port 10201, one side of the first exhaust hood 201 is communicated with the first air inlet 10203, the first water pump 205 is disposed on the top of the inner wall of the first box 102 and is located on one side of the first exhaust hood 201, one end of the first water outlet pipe 206 is communicated with a water outlet of the first water pump 205, the other end of the first water outlet pipe 206 is sequentially connected with the other side of the first exhaust hood 201, the first radiator 204, the second fan 203 and the bottom of the first exhaust hood 201 in a penetrating manner, the first water outlet pipe 206 is connected with the edge of the second fan 203 in a penetrating manner, a gap is formed between the first water outlet pipe 206 and a blade of the second fan 203, the gap is used for not influencing the normal operation of the second fan 203 and extends to the outside of the first exhaust hood 201, one end of the first spring pipe 208 is communicated with the other end of the first water outlet pipe 206, the other end of the first spring pipe 208 is sequentially connected with the bottom of the inner wall of the first box 102 and the top of the first water tank 401 and is communicated with one end of the first heat exchanging device 402, the first limiting block 209 is arranged on the surface of the first spring pipe 208 close to the first water outlet pipe 206, the first heat radiator 204 includes a first heat radiation pipe 20401 and first heat radiation fins 20402, the first heat radiation pipe 20401 is disposed inside the first exhaust hood 201, the first water outlet pipe 206 is communicated with the first heat radiation pipe 20401, and water is disposed inside the first heat radiation pipe 20401;

in this embodiment, the first heat exchanging device 402 is installed above the inside of the first water tank 401, when the water temperature rises, the water density with higher temperature becomes lower and floats up above the inside of the first water tank 401, the first heat exchanging device 402 is heated, heat is transferred to the first heat conducting sheet 40202 and the first heat conducting pipe 40201 which are arranged in the first heat exchanging device 402, the first water pump 205 conveys water inside the second spring tube 2010 and the first heat conducting pipe 40201 to the inside of the first heat radiating tube 20401 through the first water inlet pipe 207, heat inside the first heat radiating tube 20401 is transferred to the first heat radiating sheet 20402, the first fan 202 and the second fan 203 suck air through the first air inlet 03, heat exchange is carried out with the first heat radiating sheet 20402 to take away heat, so as to reduce the temperature of water inside the first heat radiating tube 20401, the first water pump 205 conveys the cooled water back to the insides of the first spring tube 208 and the second heat conducting pipe 40301 through the first water outlet pipe 206, so as to continuously reduce the temperature inside the first water tank 401, thereby enhancing the heat radiating effect of the first heat exchanging device 402, and the problem that the die may not be damaged when the punch is used, and the die may not be damaged, thereby the die may not be quickly, and the die may not be damaged.

Referring to fig. 1-2 and 4, the second heat dissipation assembly 300 includes a second exhaust hood 301, a third fan 302, a fourth fan 303, a second radiator 304, a second water pump 305, a second water outlet pipe 306, a second water inlet pipe 307, a third spring pipe 308, a third stopper 309, a fourth spring pipe 3010 and a fourth stopper 3011, the second exhaust hood 301 is disposed on the other side of the top of the inner wall of the first box 102, the third fan 302, the second radiator 304 and the fourth fan 303 are sequentially disposed inside the second exhaust hood 301 from top to bottom, the second water outlet pipe 306 penetrates the edge of the fourth fan 303 and forms a gap with the blades of the fourth fan 303 for not affecting the normal operation of the fourth fan 303, the second exhaust hood 301 is hollow, the top of the second exhaust hood 301 is communicated with the second air outlet 10202, one side of the second exhaust hood 301 is communicated with the second air inlet 10204, the second water pump 305 is disposed on the inner wall of the first box 102, the top of the second exhaust hood 301 is communicated with the second water outlet pipe 306 of the second exhaust hood 301, and the second water outlet pipe 301 is communicated with the second water tank 306 of the second exhaust hood 301, and the heat exchange unit 301, one end of the second exhaust hood 301 is connected with the second water tank 301, the second limiting block 2011 is disposed on a surface of the third pogo tube 308 close to one end of the second water outlet pipe 306, and is configured to fix a position of the third pogo tube 308 close to one end of the second water outlet pipe 306, one end of the second water inlet pipe 307 is communicated with a water inlet of the second water pump 305, one end of the fourth pogo tube 3010 is communicated with the other end of the second water inlet pipe 307, the other end of the fourth pogo tube 3010 sequentially penetrates through a bottom of an inner wall of the first box 102 and a top of the first water tank 401 to be communicated with the other end of the second heat exchanging device 403, the second limiting block 3010 is disposed on a surface of the fourth pogo tube 3010 close to one end of the second water inlet pipe 307, and is configured to fix a position of the fourth pogo tube 3010 close to one end of the second water inlet pipe 307, the second heat sink 304 includes a second heat dissipation pipe 30401 and a second heat dissipation fin 30402, the second heat dissipation pipe 30401 is disposed inside the second heat dissipation cover 301, the second water outlet pipe 306 is communicated with the second heat dissipation pipe 30401, and the heat dissipation die does not wear rapidly, and the die does not generate heat dissipation die 900, and the die does not work rapidly.

Referring to fig. 1-2 and 6, the fourth heat dissipation assembly 500 includes a third heat exchange device 501, a fifth spring tube 502, a sixth spring tube 503 and a second heat conduction block 504, the third heat exchange device 501 is disposed inside the second case 103, the second heat conduction block 504 is mounted on the top of the second case 103, a lower mold 900 is mounted on the top of the second heat conduction block 504, the bottom of the second heat conduction block 504 is in contact with the third heat exchange device 501, one end of the fifth spring tube 502 is communicated with one end of the third heat exchange device 501, the other end of the fifth spring tube 502 is communicated with one end of the second heat exchange device 403 through one side of the second case 103 and one side of the first water tank 401 near one end of the third spring tube 308 in turn, one end of the sixth spring tube 503 is communicated with the other end of the third heat exchange device 501, the other end of sixth pogo pin 503 sequentially passes through the other side of second box 103 and the side of first water tank 401 close to fourth pogo pin 3010 to communicate with the other end of second heat exchange device 403, third heat exchange device 501 includes fourth heat pipes 50101 and third heat conduction plates 50102, fourth heat pipes 50101 are transversely disposed inside second box 103, the number of third heat conduction plates 50102 is at least greater than one, and the side of third heat conduction plates 50102 close to lower mold 900 passes through the top of second box 103 from bottom to top to connect with the bottom of second heat conduction block 504, one end of fifth pogo pin 502 communicates with one end of fourth heat pipe 50101, the other end of fifth pogo pin 502 communicates with one end of second heat conduction pipe 40301 close to third pogo pin 308, one end of the sixth pogo tube 503 is communicated with the other end of the fourth heat conduction pipe 50101, and the other end of the fifth pogo tube 502 is communicated with one end of the second heat conduction pipe 40301 close to the fourth pogo tube 3010;

in this embodiment, during the process that the hydraulic cylinder 1000 pushes the upper die 800 and the lower die 900 to cooperate to press a workpiece, heat generated by the lower die 900 is transferred to the second box 103 and the third heat conducting plate 50102 through the second heat conducting block 504, water inside the second box 103 and water inside the fourth heat conducting pipe 50101 are heated, the second water pump 305 sequentially transfers water inside the fourth spring 3010, the sixth spring 503 and the fourth heat conducting pipe 50101 to the inside of the second heat radiating pipe 30401 through the second water inlet pipe 307, heat of water inside the second heat radiating pipe 30401 is transferred to the second heat radiating fin 30402, the third fan 302 and the fourth fan 303 suck air through the second air inlet 10204, heat is exchanged with the second heat radiating fin 30402 to take away heat and reduce the temperature of water inside the second heat radiating pipe 30401, the second water pump 305 sequentially transfers the water after being cooled back to the inside of the third spring 306, the fifth spring 502 and the fourth heat conducting pipe 50101 through the second water outlet pipe 306, thereby reducing the temperature of the lower die 900, and solving the problem that the temperature of the lower die may not be rapidly reduced during the operation of dies, and the dies may not be rapidly worn down during the normal operation of the stamping machine.

Referring to fig. 1-2, the evaporation assembly 600 includes a water supply device 601, a first evaporation device 602, and a second evaporation device 603, the water supply device 601 includes a second water tank 60101 and a first sealing plug 60102, the second water tank 60101 is disposed on the top of the inner wall of the first tank 102 and is located between the first water pump 205 and the second water pump 305, the first sealing plug 60102 sequentially penetrates through the first tank 102 and the second water tank 60101 from top to bottom, the first sealing plug 60102 is used to open and close the second water tank 60101, the first evaporation device 602 is disposed inside the first exhaust hood 201 and is communicated with one side of the second water tank 60101 close to the first water pump 205, the second evaporation device 603 is disposed inside the second exhaust hood 301 and is communicated with one side of the second water tank 60101 close to the second water pump 305, the first evaporation device 602 comprises a first pipeline 60201, a first sponge 60202 and a first filter screen 60203, the first filter screen 60203 is arranged inside the first exhaust hood 201 and is positioned below the second fan 203, the first water outlet pipe 206 penetrates the first filter screen 60203 from top to bottom, one end of the first pipeline 60201 is communicated with one side of the second water tank 60101 close to the first water pump 205, the other end of the first pipeline 60201 penetrates one side of the first exhaust hood 201 close to the first water pump 205 and is in contact with the first filter screen 60203, the first sponge 60202 is arranged inside the first pipeline 60201, the first sponge 60202 is in contact with the first filter screen 60203, the second evaporation device 603 comprises a second pipeline 60301, a second sponge 60302 and a second filter screen 60303, the second filter screen 60303 is arranged inside the second exhaust hood 301, the second water outlet pipe 306 penetrates the second filter screen 60303 from top to bottom, one end of the second pipeline 60301 is communicated with one side, close to the second water pump 305, of the second water tank 60101, the other end of the second pipeline 60301 penetrates one side, close to the second water pump 305, of the second exhaust hood 301 and contacts with the second filter screen 60303, the second sponge 60302 is arranged inside the second pipeline 60301, the second sponge 60302 is in contact with the second filter screen 60303, the first filter screen 60203 and the second filter screen 60303 are made of cotton filter screens, the water in the second water tank 60101 enters the first filter screen 60203 through the first pipeline 60201 and the first sponge 60202, the first fan 202 and the second fan 203 suck air through the first air inlet 10203 and exchange heat with the first air outlet 20402 through the first heat dissipation fan 60201 and the first heat dissipation fan 10203, the heat exchange effect of the air on the second air outlet 20402 is reduced by the evaporation of the first fan 10203, and the heat dissipation fan is discharged through the second air outlet 30402, and the heat dissipation fan is reduced in the heat exchange process of the second air outlet 6002, and the heat dissipation fan 30402, and the heat exchange process is carried out of the second air outlet 60300, and the heat dissipation fan 6002.

Referring to fig. 2, the auxiliary assembly 700 includes an exhaust pipe 701, a check valve 702, a second sealing plug 703 and a water level gauge 704, one end of the exhaust pipe 701 is communicated with one side of the first water tank 401, the check valve 702 is communicated with one end of the exhaust pipe 701, the check valve 702 is used for preventing internal pressure from increasing during heating of water in the first water tank 401 and relieving pressure when internal pressure is excessive, the second sealing plug 703 and the water level gauge 704 are sequentially disposed on one side of the exhaust pipe 701 from top to bottom, the second sealing plug 703 is used for opening and closing the exhaust pipe 701, the water level gauge 704 is communicated with the interior of the exhaust pipe 701 and used for displaying liquid level in the exhaust pipe 701, the liquid level in the first water tank 401 can be judged by observing the liquid level in the exhaust pipe 701 through the water level gauge 704, when the liquid level in the first water tank 401 is insufficient, the second sealing plug 703 is used for sealing after completion of water replenishing, one end of the exhaust pipe 701, which is far away from the first water tank 401, is bent toward the first water tank 401 to be parallel to the first water tank 401, and the highest point of the first water tank 401 is larger than the highest point of the first water tank 401, and the highest point of the tank 401, and the tank 401 is provided with a water level gauge 401, and a tank body 401 is provided with a tank body 401.

Referring to fig. 1-7, the present invention further provides a working method of the automatic cooling device for the die of the stamping machine, which comprises the following steps:

s1, performing first heat exchange, in a process that the hydraulic cylinder 1000 pushes the upper die 800 to cooperate with the lower die 900 to punch a workpiece, heat generated by the upper die 800 is transferred to the first water tank 401 and the third heat conduction pipe 404 through the first heat conduction block 407, heat generated by the lower die 900 is transferred to the second box 103 and the third heat conduction sheet 50102 through the second heat conduction block 504, heat generated by the third heat conduction sheet 50102 is transferred to the inside of the second box 103 and the inside of the fourth heat conduction pipe 50101, the second water pump 305 sequentially transfers water in the fourth spring 3010, the second heat conduction pipe 30101, the third heat conduction pipe 404, the sixth spring 503 and the fourth heat conduction pipe 50101 to the inside of the second heat dissipation pipe 30401 through the second water inlet pipe 307, heat of water in the second heat dissipation pipe 30401 is transferred to the second heat dissipation pipe 30402, the third fan 302 and the fourth fan 303 suck air through the second air inlet port 10204, heat exchange occurs with the second heat dissipation pipe 30402, heat is taken away by the water in the second heat dissipation pipe 30401, the temperature of the water in the second heat dissipation pipe 30401 is reduced, and the water is sequentially transferred to the third heat conduction pipe 40301 and the water outlet pipe 40301 through the second heat conduction pipe 304306 and the second heat conduction pipe 50101;

s2, circularly cooling for the first time, and repeating the step S1 to reduce the temperature of the upper die 800 and the lower die 900;

s3, after the temperature of water in the first water tank 401 is high, hot water rises to the upper part of the inside of the first water tank 401 and is transferred to the inside of the first heat conducting fin 40202 and the first heat conducting pipe 40201, the first water pump 205 transfers water in the second spring pipe 2010 and the first heat conducting pipe 40201 to the inside of the first radiating pipe 20401 through the first water inlet pipe 207, heat in the first radiating pipe 20401 is transferred to the first radiating fin 20402, the first fan 202 and the second fan 203 suck air through the first air inlet 10203, heat is taken away to reduce the temperature of water in the first radiating pipe 20401 through heat exchange with the first radiating fin 20402, and the first water pump 205 transfers the cooled water back to the inside of the first spring pipe 208 and the second heat conducting pipe 40301 through the first water outlet pipe 206;

s4, circularly cooling for the second time, and repeating the step S3 to reduce the temperature in the first water tank 401;

s5, the water in the second water tank 60101 enters the first filter screen 60203 through the first pipe 60201 and the first sponge 60202, and in step S3, the first fan 202 and the second fan 203 first contact the first filter screen 60203 while sucking the air through the first air inlet 10203 and exchanging heat with the first heat sink 20402, the water on the first filter screen 60203 reduces the temperature of the sucked air while evaporating, the low temperature air exchanges heat with the first heat sink 20402 and then is discharged through the first air outlet 10201, and in step S1, the third fan 302 and the fourth fan 303 first contact the second filter screen 60303 while sucking the air through the second air inlet 10204 and exchanging heat with the second heat sink 30402, the water on the second filter screen 60303 reduces the temperature of the sucked air while evaporating, and the low temperature air exchanges heat with the second heat sink 30402 and then is discharged through the second air outlet 10202.

Specifically, in the process that the hydraulic cylinder 1000 pushes the upper die 800 and the lower die 900 to cooperate to punch a workpiece, heat generated by the upper die 800 is transferred to the first water tank 401 and the third heat conduction pipe 404 through the first heat conduction block 407, heat generated by the lower die 900 is transferred to the second box body 103 and the third heat conduction sheet 50102 through the second heat conduction block 504, the second water pump 305 sequentially transfers water inside the fourth spring pipe 3010, the second heat conduction pipe 40301, the third heat conduction pipe 404, the sixth spring pipe 503 and the fourth heat conduction pipe 50101 to the inside of the second heat dissipation pipe 30401 through the second water inlet pipe 307, heat of water inside the second heat dissipation pipe 30401 is transferred to the second heat dissipation fin 30402, the third fan 302 and the fourth fan 303 suck air through the second air inlet 10204 and carry the heat away to reduce the temperature of the water inside the second heat dissipation pipe 30401 through heat exchange with the second heat dissipation fin 30402, the second water pump 305 conveys the cooled water back to the interiors of the third bourdon tube 308, the fifth bourdon tube 502, the second heat conduction pipe 40301, the third heat conduction pipe 404 and the fourth heat conduction pipe 50101 through the second water outlet pipe 306 in sequence, after the water temperature in the first water tank 401 is high, the hot water rises to the upper part of the interior of the first water tank 401 and is transmitted to the interiors of the first heat conduction fin 40202 and the first heat conduction pipe 40201, the first water pump 205 conveys the water in the interior of the second bourdon tube 2010 and the first heat conduction pipe 40201 to the interior of the first heat conduction pipe 20401 through the first water inlet pipe 207, the heat in the interior of the first heat conduction pipe 20401 is transmitted to the first heat dissipation fin 20402, the first fan 202 and the second fan 203 suck air through the first air inlet 10203 and carry away the heat through heat exchange with the first heat dissipation fin 20402 to reduce the temperature of the water in the interior of the first heat dissipation pipe 20401, and the first water pump 205 conveys the cooled water back to the interiors of the first bourdon tube 208 and the second heat conduction pipe 40301 through the first water outlet pipe 206 in sequence, the water in the second water tank 60101 enters the first filter screen 60203 through the first pipe 60201 and the first sponge 60202, the first fan 202 and the second fan 203 firstly contact the first filter screen 60203 during the process of heat exchange between the air sucked through the first air inlet 10203 and the first heat sink 20402, the temperature of the air sucked is reduced during the process of evaporation by the water in the first filter screen 60203, the low-temperature air is discharged through the first air outlet 10201 after heat exchange with the first heat sink 20402, the air sucked through the second air inlet 10204 and discharged through the second air outlet 10202 during the process of heat exchange between the air sucked through the second air inlet 10204 and the second heat sink 30402 by the third fan 302 and the fourth fan 303 firstly contact the second filter screen 60303, the water in the second filter screen 60303 reduces the temperature of the air sucked during the process of evaporation, the low-temperature air is discharged through the second air outlet 10202 after heat exchange with the second heat sink 30402, and the problems that the existing stamping press does not have good heat dissipation during the use, the temperature of the die rises to cause the rapid work and the failure of the die, the rapid work speed and the decrease of the die are solved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an automatic heat sink of punching machine mould which characterized in that includes:

wherein the second exhaust hood is arranged on the other side of the top of the inner wall of the first box body, the third fan, the second radiator and the fourth fan are sequentially arranged inside the second exhaust hood from top to bottom, the inside of the second exhaust hood is of a hollow structure, the top of the second exhaust hood is communicated with the second exhaust port, one side of the second exhaust hood is communicated with the second air inlet, the second water pump is arranged on the top of the inner wall of the first box body and is positioned on one side of the second exhaust hood, one end of the second water outlet pipe is communicated with the water outlet of the second water pump, and the other end of the second water outlet pipe is sequentially communicated with the other side of the second exhaust hood, the second radiator, the second fan and the bottom of the second exhaust hood and extends to the outside of the second exhaust hood, one end of the third spring tube is communicated with the other end of the second water outlet pipe, the other end of the third spring tube sequentially penetrates through the bottom of the inner wall of the first box body and the top of the first water tank and is communicated with one end of the second heat exchange device, the second limiting block is arranged on the surface of one end, close to the second water outlet pipe, of the third spring tube and is used for fixing the position, close to one end of the second water outlet pipe, of the third spring tube, one end of the second water inlet pipe is communicated with the water inlet of the second water pump, one end of the fourth spring tube is communicated with the other end of the second water inlet pipe, the other end of the fourth spring tube sequentially penetrates through the bottom of the inner wall of the first box body and the top of the first water tank and is communicated with the other end of the second heat exchange device, and the second limiting block is arranged on the surface, close to the one end of the second water inlet pipe, of the fourth spring tube, the position of one end, close to the second water inlet pipe, of the fourth spring pipe is fixed;

a fourth heat dissipation assembly, including a third heat exchange device, a fifth spring tube, a sixth spring tube, and a second heat conduction block;

2. The automatic cooling device for the die of the punching machine according to claim 1, wherein: the first heat exchange device comprises a first heat conduction pipe and a first heat conduction sheet, the first heat conduction pipe is transversely arranged in the first water tank, the number of the first heat conduction sheets is at least larger than one, the first heat conduction sheets are transversely arranged on the surface of the first heat conduction pipe, one end of the first heat conduction pipe is communicated with the other end of the first spring tube, one end of the first heat conduction pipe is communicated with the other end of the second spring tube, and water is arranged in the first water outlet pipe, the second water outlet pipe, the first water inlet pipe, the second water inlet pipe, the first heat conduction pipe, the first spring tube, the second spring tube, the third spring tube and the fourth spring tube.

3. The automatic cooling device for the die of the punching machine according to claim 1, wherein: the second heat exchange device comprises a second heat pipe and a second heat conducting sheet, the second heat pipe is transversely arranged in the first water tank, the number of the second heat conducting sheets is at least larger than one, and the second heat conducting sheets are transversely arranged on the surface of the second heat pipe, one end of the second heat pipe is communicated with the other end of the third spring pipe, one end of the second heat pipe is communicated with the other end of the fourth spring pipe, the third heat pipe is distributed in the first heat conducting block in an S shape, one end of the third heat pipe is communicated with one end, close to the third spring pipe, of the second heat pipe, the other end of the third heat pipe is communicated with one end, close to the fourth spring pipe, of the second heat pipe, the fifth spring pipe, the sixth spring pipe and the third heat pipe, and water is arranged in the second heat pipe, the fifth spring pipe, the sixth spring pipe and the third heat pipe.

4. The automatic cooling device for the die of the punching machine according to claim 1, wherein: first radiator includes first cooling tube and first fin, first cooling tube set up in the inside of first exhaust hood, first outlet pipe with first cooling tube intercommunication, the second radiator includes second cooling tube and second fin, the second cooling tube set up in the inside of second exhaust hood, the second outlet pipe with second cooling tube intercommunication, first cooling tube with the inside of second cooling tube all is provided with water.

5. The automatic cooling device for the die of the punching machine according to claim 1, wherein: the second water outlet pipe penetrates through the edge of the fourth fan, a gap is formed between the second water outlet pipe and the blades of the fourth fan and used for not influencing the normal operation of the fourth fan, the first water outlet pipe penetrates through the edge of the second fan and a gap is formed between the first water outlet pipe and the blades of the second fan and used for not influencing the normal operation of the second fan.

6. The automatic cooling device for the die of a punching machine according to claim 3, wherein: the third heat exchange device comprises a fourth heat pipe and a third heat conducting sheet, the fourth heat pipe is transversely arranged in the second box body, the number of the third heat conducting sheets is at least more than one, one side, close to the lower die, of the third heat conducting sheet penetrates through the top of the second box body from bottom to top and is connected with the bottom of the second heat conducting block, one end of a fifth spring pipe is communicated with one end of the fourth heat pipe, the other end of the fifth spring pipe is communicated with one end, close to the third spring pipe, of the second heat pipe, one end of the sixth spring pipe is communicated with the other end of the fourth heat pipe, and the other end of the fifth spring pipe is communicated with one end, close to the fourth spring pipe, of the second heat pipe.

7. The automatic cooling device for the die of the punching machine according to claim 1, wherein: first evaporation plant includes first pipeline, first sponge and first filter screen, first filter screen set up in the inside of first exhaust hood is located the below of second fan, first outlet pipe top-down link up first filter screen, the one end of first pipeline with the second water tank is close to one side intercommunication of first water pump, the other end of first pipeline link up first exhaust hood is close to one side of first water pump with first filter screen contact, first sponge set up in the inside of first pipeline, first sponge with first filter screen contact.

8. The automatic cooling device for the die of the punching machine according to claim 1, wherein: the second evaporation plant comprises a second pipeline, a second sponge and a second filter screen, the second filter screen is arranged in the second exhaust hood and located below the fourth fan, a second water outlet pipe is communicated with the second filter screen from top to bottom, one end of the second pipeline is communicated with one side of the second water pump, the other end of the second pipeline is communicated with the second exhaust hood, one side of the second water pump is communicated with the second filter screen, the second sponge is arranged in the second pipeline, and the second sponge is contacted with the second filter screen.

9. The automatic cooling device for the die of the punching machine according to claim 1, wherein: the exhaust pipe is arranged in the first water tank, one end, far away from the first water tank, of the exhaust pipe is bent towards the first water tank to be parallel to the first water tank, the height of the highest point horizontal position of one end, far away from the first water tank, of the exhaust pipe is larger than that of the highest point horizontal position of the first water tank, and water is arranged in the second tank body, the first water tank and the second water tank.

10. A method of operating an automatic temperature reducing device for a press tool according to any one of claims 1 to 9, comprising: the method comprises the following steps:

s3, after the water temperature in the first water tank is high through secondary heat exchange, hot water rises to the upper part of the interior of the first water tank and is transmitted to the first heat conducting sheet and the interior of the first heat conducting pipe, a first water pump conveys water in the second spring pipe and the first heat conducting pipe to the interior of the first heat radiating pipe through a first water inlet pipe, heat in the first heat radiating pipe is transmitted to the first heat radiating sheet, the first fan and the second fan suck air through a first air inlet, the heat is taken away by heat exchange with the first heat radiating sheet, the temperature of the water in the first heat radiating pipe is reduced, and the first water pump conveys the cooled water to the interiors of the first spring pipe and the second heat conducting pipe through the first water outlet pipe;