CN211679932U - Novel circulative cooling system of die casting machine - Google Patents
Novel circulative cooling system of die casting machine Download PDFInfo
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- CN211679932U CN211679932U CN202020067667.4U CN202020067667U CN211679932U CN 211679932 U CN211679932 U CN 211679932U CN 202020067667 U CN202020067667 U CN 202020067667U CN 211679932 U CN211679932 U CN 211679932U
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Abstract
The utility model discloses a novel circulating cooling system of a die casting machine, which comprises an injection punch head, a connector arranged at one end of the injection punch head, an injection rod arranged at one end of the connector far away from the injection punch head, a cooling device arranged outside the injection rod, and a controller arranged on the cooling device; the cooling device comprises a buffer water tank, a circulating water pump, a water inlet pipe, a water discharge pipe, a water return pipe, a double-loop heat dissipation part, a temperature sensor, a high-level water tank and a water replenishing pipe; the double-loop radiating part comprises a main path radiating pipe and a bypass radiating pipe; through the two return circuit radiating part that sets up, break down in the main road cooling tube, the changeable bypass cooling tube that arrives dispels the heat to circulating line, the maintenance of main road cooling tube can not influence the smooth production of die casting machine, has still set up bleeder pipe and moisturizing pipe and has carried out the temperature to circulating line and adjust, prevents to lead to the die casting machine to shut down because of two return circuit radiating part can not satisfy the heat dissipation requirement, has improved the production efficiency of die casting machine.
Description
Technical Field
The utility model relates to a die casting machine cooling system, concretely relates to novel circulative cooling system of die casting machine.
Background
At present, a die casting machine is a common device in the technical field of forming in the mechanical industry, and is an industrial machine which injects molten metal liquid into a die to be cooled and formed under the action of pressure and obtains a solid metal casting after die opening.
Chinese patent CN 208214266U discloses a cooling system for an injection rod of a die casting machine, belonging to the field of cooling systems, and comprising an injection punch head, a connector, an injection rod, a cooling device, a controller fixedly arranged on the cooling device and a water pump; the injection punch is fixedly connected with the injection rod through a connector; the injection punch head is provided with a punch head part and a connecting part, and a cooling cavity is arranged inside the punch head part; the connector is provided with a first connecting body, a sealing part, a second connecting body and a water injection hole; the injection punch, the connector and the cooling device comprise a cooling water tank, a water inlet pipe, an electromagnetic valve, a water inlet hose, a water outlet pipe and a water outlet hose; the water outlet pipe is provided with a temperature sensor and a heat exchanger; the electromagnetic valve, the temperature sensor and the water pump are all electrically connected with the controller, the utility model has the advantages of simple structure, convenient use, realization of the cyclic utilization of cooling water, large cooling area, uniform cooling, high effect efficiency and improvement of the practical service life of the injection rod; the problems that exist are that: in the operation process of reality, the heat exchanger breaks down the back, need stop the die casting machine earlier, could overhaul the heat exchanger again, the heat exchanger overhauls the completion back, could open the die casting machine and continue production, and because the cooling water is in the circulation state always, the condition that the heat exchanger can't reach and carry out the heat transfer to the cooling water often appears, the temperature of cooling water can constantly rise along with the increase of circulation number of times in the pipeline, lead to having to stop the die casting machine, wait that the temperature reduces to the die casting machine of opening again in the acceptable range, the production efficiency of die casting machine has greatly been influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a can guarantee that die casting machine production goes on smoothly, improve die casting machine production efficiency's novel circulative cooling system of die casting machine.
In order to solve the technical problem, the technical scheme of the utility model is that: a novel circulating cooling system of a die casting machine comprises an injection punch head, a connector arranged at one end of the injection punch head, an injection rod arranged at one end of the connector far away from the injection punch head, a cooling device arranged outside the injection rod and a controller arranged on the cooling device; the cooling device comprises a buffer water tank, a circulating water pump, a water inlet pipe, a water outlet pipe, a water return pipe, a double-loop heat dissipation part, a temperature sensor, a high-level water tank and a water replenishing pipe, wherein the circulating water pump is arranged on one side of the buffer water tank and is communicated with the buffer water tank; the high-level water tank can prevent the back suction phenomenon from occurring in the water return pipe, and can perform the adjusting function of how much the water return pipe is returned and supplemented.
Preferably, the circulating water pump and the temperature sensor are electrically connected with the controller.
Preferably, the water inlet pipe is provided with a first electric valve, the water outlet pipe is provided with a second electric valve, the water return pipe is provided with a third electric valve, and the water supplementing pipe is provided with a fourth electric valve; the first electric valve, the second electric valve, the third electric valve and the fourth electric valve are electrically connected with the controller; the first and third electrically operated valves remain normally open, the second and fourth electrically operated valves remain normally closed, when the double-loop heat dissipation part can not meet the heat dissipation requirement, the temperature sensor transmits the detected temperature signal to the controller, when the controller receives the water temperature signal of the water return pipe and the water temperature is higher than the warning line, the controller controls to open the second electric valve to drain water to the circulating pipeline, meanwhile, the controller controls to open the fourth electric valve to supplement water to the buffer water tank, so as to keep the water level of the buffer water tank stable, when the temperature sensor transmits the detected water temperature signal of the water return pipe to the controller, and when the controller receives the water temperature signal of the water return pipe and the water temperature is lower than the warning line, and the controller controls to close the second electric valve to stop water drainage, and simultaneously controls to close the fourth electric valve to stop water supplement.
Preferably, the double-loop radiating part comprises a main radiating pipe and a bypass radiating pipe; the main path radiating pipe comprises a first main path electric valve, a second main path electric valve and a first heat exchanger; the first heat exchanger is positioned between the first main circuit electric valve and the second main circuit electric valve; the bypass radiating pipe comprises a first bypass electric valve, a second bypass electric valve and a second heat exchanger, and the second heat exchanger is positioned between the first bypass electric valve and the second bypass electric valve; the first main path electric valve, the second main path electric valve, the first heat exchanger, the first bypass electric valve, the second bypass electric valve and the second heat exchanger are electrically connected with the controller; the first main circuit electric valve, the first heat exchanger and the second main circuit electric valve of the main circuit radiating pipe are kept in a normally open state, the first bypass electric valve, the second heat exchanger and the second bypass electric valve of the bypass radiating pipe are kept in a normally closed state, only when the main circuit radiating pipe cannot meet the radiating requirement of a pipeline, the controller controls the first bypass electric valve, the second bypass electric valve and the second heat exchanger to be opened, the second heat exchanger also participates in the process of reducing the water temperature of the circulating pipeline, when the first heat exchanger of the main circuit radiator breaks down and needs to be repaired, a worker can open the first bypass electric valve, the second bypass electric valve and the second heat exchanger of the bypass radiating part firstly through the controller, enable the bypass radiating pipe to participate in the process of reducing the water temperature of the circulating pipeline, then close the first main circuit, the second electric valve and the first heat exchanger, and conduct water cooling to the first main circuit, The motorised valve of second main road and first heat exchanger carry out the outage and handle the back, just can maintain first heat exchanger and handle, and at this in-process, cooling device still cools off the die casting machine, need not to stop the die casting machine, and the die casting machine can continue to produce.
Preferably, the injection punch head comprises a punch head part, and the punch head part is fixedly connected with the connecting part; the interior of the punch head is provided with a cooling cavity.
Preferably, the connector comprises a first connecting body, a sealing body arranged at one end of the first connecting body, a second connecting body arranged at one end, far away from the first connecting body, of the sealing body, and a water through hole which is arranged in the first connecting body, the sealing body and the second connecting body and sequentially penetrates through the first connecting body, the sealing body and the second connecting body.
Preferably, the first connecting body is provided with a circular cavity along the axial direction, the upper surface of the sealing body is provided with a water outlet hole which is recessed downwards, the water outlet hole is communicated with the circular cavity and is not directly communicated with the water through hole, the lower surface of the sealing body is provided with a water discharging hole which is recessed upwards, the water discharging hole is communicated with the circular cavity and is communicated with the water discharging pipe, and the water discharging hole is not directly communicated with the water through hole.
Preferably, an axial water through hole is formed in the axial direction of the injection rod, a radial water through hole is formed in the radial direction of the injection rod, and the axial water through hole is communicated with the radial water through hole; after the injection punch, the connector and the injection rod are fixedly connected, the cooling cavity is communicated with the water through hole, and the water through hole is communicated with the axial water through hole.
Preferably, the punch head part of the injection punch head is sleeved with a sealing ring; the connecting portion is internally provided with a groove, and a sealing ring for preventing cooling water from leaking is arranged in the groove.
The utility model discloses technical effect mainly embodies: through the two return circuit radiating part that sets up, break down in the main road cooling tube, the changeable bypass cooling tube that arrives dispels the heat to circulating line, the maintenance of main road cooling tube can not influence the smooth production of die casting machine, has still set up bleeder pipe and moisturizing pipe and has carried out the temperature to circulating line and adjust, prevents to lead to the die casting machine to shut down because of two return circuit radiating part can not satisfy the heat dissipation requirement, has improved the production efficiency of die casting machine.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the connecting head of FIG. 1;
fig. 3 is a schematic perspective view of the connecting head of fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
As shown in fig. 1-3, a novel circulating cooling system of a die casting machine comprises an injection punch 1, a connector 2 arranged at one end of the injection punch 1, an injection rod 3 arranged at one end of the connector 2 far away from the injection punch 1, a cooling device 4 arranged outside the injection rod 3, and a controller 5 arranged on the cooling device 4; preferably, the injection punch 1 comprises a punch part 11, and the punch part 11 is fixedly connected with a connecting part 12; the interior of the punch portion 11 is provided with a cooling cavity 111. Connector 2 includes first connecting body 21, sets up the sealed main part 22 of first connecting body 21 one end sets up sealed main part 22 keeps away from the second connecting body 23 of the one end of first connecting body 21, sets up the inside of first connecting body 21, sealed main part 22 and second connecting body 23 and run through the limbers 24 of first connecting body 21, sealed main part 22 and second connecting body 23 in proper order. Preferably, the first connecting body 21 is provided with a circular cavity 211 along an axial direction, the upper surface of the sealing body 22 is recessed downward to form a water outlet hole 221, the water outlet hole 221 is communicated with the circular cavity 211, the water outlet hole 221 is not directly communicated with the water through hole 24, the lower surface of the sealing body 22 is recessed upward to form a water discharge hole 222, the water discharge hole 222 is communicated with the circular cavity 211, the water discharge hole 222 is communicated with the water discharge pipe 44, and the water discharge hole 222 is not directly communicated with the water through hole 24. Further, an axial water through hole 31 is provided in the axial direction of the injection rod 3, a radial water through hole 32 is provided in the radial direction of the injection rod 3, and the axial water through hole 31 communicates with the radial water through hole 32; after the injection punch 1, the connector 2 and the injection rod 3 are fixedly connected, the cooling cavity 111 is communicated with the water through hole 24, and the water through hole 24 is communicated with the axial water through hole 31. Further, the punch part 11 of the injection punch 1 is sleeved with a seal ring 101; a groove is arranged in the connecting part 12, and a sealing ring 102 for preventing cooling water from leaking is arranged in the groove.
Furthermore, the cooling device 4 comprises a buffer water tank 41, a circulating water pump 42 arranged on one side of the buffer water tank 41 and communicated with the buffer water tank 41, a water inlet pipe 43 arranged on one end of the circulating water pump 42 far away from the buffer water tank 41 and communicated with the circulating water pump 42, a water outlet pipe 44 arranged below the connector 2 and communicated with the connector 2, a water return pipe 45 arranged on one side of the buffer water tank 41 and used for communicating the connector 2 with the buffer water tank 41, a double-loop heat dissipation part 46 arranged on the water return pipe 45 and communicated with the water return pipe 45, and a heat dissipation part arranged on the water return pipe 45, a temperature sensor 47 disposed between the double-circuit heat sink 46 and the buffer tank 41, a head tank 48 disposed above the return pipe 45 and communicating with the return pipe 45, and a water replenishment pipe 49 disposed on one side of the buffer tank 41 and communicating with the buffer tank 41; the high-level water tank 48 can prevent the reverse suction from occurring in the return pipe, and can adjust how much the return pipe 45 is returned and replenished. The circulating water pump 42 and the temperature sensor 47 are electrically connected with the controller 5. The water inlet pipe 43 is provided with a first electric valve 431, the water outlet pipe 44 is provided with a second electric valve 441, the water return pipe 45 is provided with a third electric valve 451, and the water supplementing pipe 49 is provided with a fourth electric valve 491; the first electric valve 431, the second electric valve 441, the third electric valve 451 and the fourth electric valve 491 are electrically connected with the controller 5; the first electric valve 431 and the third electric valve 451 are kept in a normally open state, the second electric valve 441 and the fourth electric valve 491 are kept in a normally closed state, when the dual-loop heat dissipation part 46 can not meet the heat dissipation requirement, the temperature sensor 47 transmits the detected temperature signal to the controller 5, when the controller 5 receives the water temperature signal of the water return pipe 45 and the water temperature is higher than the alarm line, the controller 5 controls to open the second electric valve 441 to enable the water outlet pipe 44 to discharge water to the circulation pipeline, simultaneously, the controller 5 controls to open the fourth electric valve 491 to enable the water supply pipe 49 to supply water to the buffer water tank 41, the water level of the buffer water tank 41 is kept stable, when the temperature sensor 47 transmits the detected water temperature signal of the water return pipe 45 to the controller 5, and when the water temperature of the water return pipe 45 is received by the controller 5 and the water temperature is lower than the alarm line, the controller 5 controls the second electric valve 441 to close so that the water outlet pipe 44 stops discharging water to the circulation pipeline, and at the same time, the controller controls the fourth electric valve 491 to close so that the water replenishing pipe 49 stops replenishing water to the buffer water tank 41.
Further, the dual-loop heat dissipating part 46 includes a main heat dissipating pipe 461 and a bypass heat dissipating pipe 462; the main circuit radiating pipe 461 comprises a first main circuit electric valve 4611, a second main circuit electric valve 4612 and a first heat exchanger 4613; the first heat exchanger 4613 is located between the first main circuit electrically operated valve 4611 and the second main circuit electrically operated valve 4612; the bypass heat dissipation pipe 462 comprises a first bypass electric valve 4621, a second bypass electric valve 4622 and a second heat exchanger 4623, wherein the second heat exchanger 4623 is positioned between the first bypass electric valve 4621 and the second bypass electric valve 4622; the first main electric valve 4611, the second main electric valve 4612, the first heat exchanger 4613, the first bypass electric valve 4621, the second bypass electric valve 4622 and the second heat exchanger 4623 are electrically connected to the controller 5; the first main electric valve 4611, the first heat exchanger 4613 and the second main electric valve 4612 of the main radiating pipe 461 are kept in a normally open state, the first bypass electric valve 4621, the second heat exchanger 4623 and the second bypass electric valve 4622 of the bypass radiating pipe 462 are kept in a normally closed state, only when the main radiating pipe 461 cannot meet the radiating requirement of the pipeline, the controller controls to open the first bypass electric valve 4621, the second bypass electric valve 4622 and the second heat exchanger 4623, the second heat exchanger 4623 also participates in the process of reducing the water temperature of the circulating pipeline, and when the first heat exchanger 4613 of the main radiating pipe 461 has a fault and needs to be repaired, a worker can open the first bypass electric valve 4621, the second bypass electric valve 4622 and the second heat exchanger 4623 of the bypass radiating part 462 through the controller 5 to participate in the process of reducing the water temperature of the circulating pipeline, and then close the first main electric valve 4611, the second bypass electric valve 4623, Second main way motorised valve 4612 and first heat exchanger 4613 to just can carry out maintenance to first heat exchanger 4613 after carrying out outage processing to first main way motorised valve 4611, second main way motorised valve 4612 and first heat exchanger 4613, but in this in-process, cooling device 4 still cools off the die casting machine, need not to stop the die casting machine, and the die casting machine can continue to produce.
The model of the circulating water pump 42 is 25LG3, the model of the first heat exchanger 4613 is BR0.55, and the model of the second heat exchanger 4623 is BR 0.55.
The utility model discloses technical effect mainly embodies: through the two return circuit radiating part that sets up, break down in the main road cooling tube, the changeable bypass cooling tube that arrives dispels the heat to circulating line, the maintenance of main road cooling tube can not influence the smooth production of die casting machine, has still set up bleeder pipe and moisturizing pipe and has carried out the temperature to circulating line and adjust, prevents to lead to the die casting machine to shut down because of two return circuit radiating part can not satisfy the heat dissipation requirement, has improved the production efficiency of die casting machine.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (9)
1. A novel circulating cooling system of a die casting machine comprises an injection punch head, a connector arranged at one end of the injection punch head, an injection rod arranged at one end of the connector far away from the injection punch head, a cooling device arranged outside the injection rod and a controller arranged on the cooling device; the method is characterized in that: the cooling device comprises a buffer water tank, a circulating water pump, a water inlet pipe, a water outlet pipe, a water return pipe, a double-loop heat dissipation part, a temperature sensor, a high-level water tank and a water replenishing pipe, wherein the circulating water pump is arranged on one side of the buffer water tank and is communicated with the buffer water tank; the double-loop radiating part comprises a main path radiating pipe and a bypass radiating pipe.
2. The novel circulating cooling system of the die casting machine as claimed in claim 1, wherein: and the circulating water pump and the temperature sensor are electrically connected with the controller.
3. The novel circulating cooling system of the die casting machine as claimed in claim 1, wherein: the water inlet pipe is provided with a first electric valve, the water outlet pipe is provided with a second electric valve, the water return pipe is provided with a third electric valve, and the water supplementing pipe is provided with a fourth electric valve; the first electric valve, the second electric valve, the third electric valve and the fourth electric valve are electrically connected with the controller.
4. The novel circulating cooling system of the die casting machine as claimed in claim 1, wherein: the main path radiating pipe comprises a first main path electric valve, a second main path electric valve and a first heat exchanger; the first heat exchanger is positioned between the first main circuit electric valve and the second main circuit electric valve; the bypass radiating pipe comprises a first bypass electric valve, a second bypass electric valve and a second heat exchanger, and the second heat exchanger is positioned between the first bypass electric valve and the second bypass electric valve; the first main path electric valve, the second main path electric valve, the first heat exchanger, the first bypass electric valve, the second bypass electric valve and the second heat exchanger are electrically connected with the controller.
5. The novel circulating cooling system of the die casting machine as claimed in claim 1, wherein: the injection punch head comprises a punch head part, and the punch head part is fixedly connected with a connecting part; the interior of the punch head is provided with a cooling cavity.
6. The novel circulating cooling system of the die casting machine as claimed in claim 1, wherein: the connector includes first connecting body, sets up the sealed main part of first connecting body one end sets up the sealed main part of keeping away from the one end of first connecting body sets up the inside of first connecting body, sealed main part and second connecting body and run through the limbers of first connecting body, sealed main part and second connecting body in proper order.
7. The novel circulating cooling system of the die casting machine as claimed in claim 6, wherein: the first connecting body is provided with a circular cavity along the axial direction, the upper surface of the sealing body is provided with a water outlet hole in a downward concave mode, the water outlet hole is communicated with the circular cavity and is not directly communicated with the water through hole, the lower surface of the sealing body is provided with a water discharging hole in an upward concave mode, the water discharging hole is communicated with the circular cavity and is communicated with a water discharging pipe, and the water discharging hole is not directly communicated with the water through hole.
8. The novel circulating cooling system of the die casting machine as claimed in claim 1, wherein: an axial water through hole is formed in the axial direction of the injection rod, a radial water through hole is formed in the radial direction of the injection rod, and the axial water through hole is communicated with the radial water through hole.
9. The novel circulating cooling system of the die casting machine as claimed in claim 5, wherein: the punch head part of the injection punch head is sleeved with a sealing ring; the connecting portion is internally provided with a groove, and a sealing ring for preventing cooling water from leaking is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067667.4U CN211679932U (en) | 2020-01-11 | 2020-01-11 | Novel circulative cooling system of die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067667.4U CN211679932U (en) | 2020-01-11 | 2020-01-11 | Novel circulative cooling system of die casting machine |
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| Publication Number | Publication Date |
|---|---|
| CN211679932U true CN211679932U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020067667.4U Active CN211679932U (en) | 2020-01-11 | 2020-01-11 | Novel circulative cooling system of die casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211679932U (en) |
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2020
- 2020-01-11 CN CN202020067667.4U patent/CN211679932U/en active Active
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