Mold cooling device
Technical Field
The utility model discloses a die casting machine mould cooling field specifically says a be used for mould refrigerated equipment.
Background
In the prior art, when a mould pipeline is cooled, parts such as thin pin holes in some castings protrude out of the mould and cannot be well cooled, and moreover, when the thin pin holes are cooled, a thin water conveying pipe is needed to achieve a cooling effect, but the water conveying pipe is easily blocked.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to: a mold cooling apparatus with self-cleaning of the piping is provided.
The technical solution of the utility model is that: the utility model provides a mould cooling device, includes the casing, sets up PLC controller, the water tank of setting in the casing and the water pump of setting at the water tank top in the inside one side of casing, the casing outside is equipped with the branch accuse case, be equipped with cavity, its characterized in that in the branch accuse incasement: the water pump is characterized in that a flow detection unit, a water flow on-off unit and a back-blowing unit are arranged in the cavity, the outer side of the flow detection unit is connected with the water pump through a high-pressure water pipe, the outer side of the back-blowing unit is connected with a switching block arranged on the side wall of the shell through an air pipe, and a plurality of water outlet holes are formed in the front end of the sub-control box.
Further, the middle of the high-pressure water pipe is sequentially connected with a reversing valve, a water distribution block and a ball valve; a water hammer eliminating device is arranged at the top of the reversing valve, and a pressure sensor is arranged outside the reversing valve; the pressure sensor feeds back the water pressure to the PLC controller, and the PLC controller receives feedback adjustment water pump pressure, so that the PLC controller has the advantage of keeping the water pressure constant.
Further, the PLC controller is electrically connected with the reversing valve, the water distribution block and the pressure sensor.
Further, flow detection unit sets up at the cavity bottom, flow detection unit includes the mount pad, sets up a plurality of water conservancy diversion spare on mount pad top and sets up in mount pad one side and with the inductor of the corresponding installation of water conservancy diversion spare, mount pad inside is equipped with connects the main water route at high-pressure water pipe and all communicates many branch water routes with main water route, water conservancy diversion spare sets up in branch water route, the inside rotatable impeller that all is equipped with of water conservancy diversion spare, the inductor all is connected with the PLC controller electricity, can detect the liquid flow condition, detects whether the water pipe blocks up, possesses the reaction sensitivity, quick advantage, has improved intelligent degree.
Further, the water flow on-off unit is arranged on the middle layer of the cavity, the water flow on-off unit is provided with a plurality of electromagnetic valves (not shown), the electromagnetic valves (not shown) are all connected with the water outlet holes, and the electromagnetic valves (not shown) are all electrically connected with the PLC.
Further, the back-blowing unit is arranged on the top layer of the cavity, the back-blowing unit is provided with a plurality of one-way valves (not shown), the one-way valves (not shown) are connected to one end of the electromagnetic valve (not shown), the one-way valves (not shown) are electrically connected with the PLC, and the one-way valves prevent liquid from flowing backwards, so that the liquid-back-blowing device has the advantages of safety and simple structure.
Further, the end of the electromagnetic valve (not shown) far away from the one-way valve (not shown) is connected with the branch water path.
Use the utility model provides a flow detection device of mould cooling arrangement, its beneficial effect is: the flow detection unit, the back-blowing unit and the water flow on-off unit are integrated into the sub-control box, so that the flow detection device has the advantage of simple structure; the inductor gives the PLC controller with the liquid flow condition reaction in the flow detection unit, detects the water pipe and blocks up, and solenoid valve opens in check valve and the rivers break-make unit among the PLC controller control blowback unit, and high-pressure gas lets in the pipeline and washs the pipeline, and the event possesses the self-cleaning, and the advantage that intelligent degree is high has also possessed the advantage that improves work efficiency simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the flow detection unit of the present invention;
FIG. 3 is a schematic side sectional view of the middle flow detecting unit of the present invention;
fig. 4 is a schematic view of the middle flow rate detecting unit of the present invention.
Shown in the figure: 1-shell, 2-PLC controller, 3-water tank, 4-water pump, 41-water pumping pipe, 5-branch control box, 51-cavity, 6-flow detection unit, 61-mounting seat, 62-flow guide piece, 621-impeller, 63-inductor, 64-main water path, 65-branch water path, 66-pressing block, 7-water flow on-off unit, 8-back blowing unit, 9-high pressure water pipe, 10-air pipe, 11-switching block, 111-air inlet hole, 112-interface, 12-water outlet hole, 13-reversing valve, 131-water hammer eliminating device, 132-pressure sensor, 14-water dividing block and 15-ball valve.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1 to 4, a mold cooling apparatus includes a housing 1, a PLC controller 2 disposed at one side inside the housing 1, a water tank 3 disposed inside the housing 1, and a water pump 4 disposed at the top of the water tank 3; preferably, the bottom end of the water pump 4 is provided with a water pumping pipe 41 for pumping water; a sub-control box 5 is arranged on the outer side of the shell 1, a cavity 51 is arranged in the sub-control box 5, a flow detection unit 6, a water flow on-off unit 7 and a back-blowing unit 8 are arranged in the cavity 51, the outer side of the flow detection unit 6 is connected with the water pump 4 through a high-pressure water pipe 9, the outer side of the back-blowing unit 8 is connected with a switching block 11 arranged on the side wall of the shell 1 through an air pipe 10, and a plurality of water outlet holes 12 are formed in the front end of the sub-control box 5; preferably, the top end of the adapter block 11 is provided with an air inlet 111 for introducing high-pressure air, and the bottom end of the adapter 112 is provided with a connector 112 connected with the air pipe 10.
The middle of the high-pressure water pipe 9 is sequentially connected with a reversing valve 13, a water distribution block 14 and a ball valve 15; the top of the reversing valve 13 is provided with a water hammer eliminating device 131, the outside of the reversing valve 13 is provided with a pressure sensor 132, preferably, the reversing valve 13 adopts a five-way valve with a one-way stop function, so that the liquid in the system can be ensured not to flow back, the system pressure can be ensured not to leak under the condition that the water pump 4 stops, the water hammer eliminating device 131 can eliminate the water hammer, the influence of the water hammer on the pressure sensor 132 is reduced, the feedback stability of the pressure sensor 132 is improved, and the liquid pressure in the water pipe is more stable.
The PLC 2 is electrically connected with the reversing valve 13, the water diversion block 14 and the pressure sensor 132; preferably, the water pump 4 and the junction block 11 are electrically connected to the PLC controller 2.
As shown in fig. 2 to 4, the flow rate detecting unit 6 is disposed at the bottom of the cavity 51, the flow rate detecting unit 6 includes a mounting base 61, a plurality of flow guiding members 62 disposed at the top end of the mounting base 61, and a sensor 63 disposed at one side of the mounting base 61 and mounted corresponding to the flow guiding members 62, a main water path 64 connected to the high pressure water pipe 9 and a plurality of branch water paths 65 communicated with the main water path 64 are disposed inside the mounting base 61, the flow guiding members 62 are disposed inside the branch water paths 65, rotatable impellers 621 are disposed inside the flow guiding members 62, and the sensors 63 are electrically connected to the PLC controller 2; preferably, the flow guide 62 is fixed in the branch waterway 65 by a pressing block 66.
As shown in fig. 3, rotatable impellers 621 are longitudinally arranged in the flow guide part 62, the inductors 63 are arranged outside the impellers 621, and the inductors 63 and the impellers 621 are vertically distributed, so that the detection of the inductors 63 is facilitated, and the number sensed by the inductors 63 is more stable and reliable.
The water flow on-off unit 7 is arranged on the middle layer of the cavity 51, the water flow on-off unit 7 is provided with a plurality of electromagnetic valves (not shown), the electromagnetic valves (not shown) are all connected with the water outlet hole 12, and the electromagnetic valves (not shown) are all electrically connected with the PLC 2; preferably, a plurality of solenoid valves (not shown) are integrally mounted, so that the solenoid valves are convenient to mount and dismount and easy to manage.
The back blowing unit 8 is arranged at the top layer of the cavity 51, the back blowing unit 8 is provided with a plurality of one-way valves (not shown), the one-way valves (not shown) are connected to one end of an electromagnetic valve (not shown), and the one-way valves (not shown) are electrically connected with the PLC 2; preferably, a plurality of check valves (not shown) are also integrally installed, so that the installation and the disassembly are convenient, and the management is easy; the end of the solenoid valve (not shown) remote from the check valve (not shown) is connected to a branch water line 65.
Preferably, the main part of the pipeline is connected by a sanitary connector and a sanitary connector hoop, so that the pipeline is more closely and reliably connected and has good sealing performance.
The utility model discloses a concrete theory of operation as follows: under the control of the PLC controller 2, the water pump 4 pumps water in the water tank 3 into the pipeline; the water passes through the reversing valve 13, the top of the reversing valve 13 is provided with a water hammer eliminating device 131 for eliminating water hammer, the outer side of the reversing valve 13 is provided with a pressure sensor 132 for sensing the water pressure in the pipeline in real time and feeding back to the PLC controller 2 to keep the water pressure constant; the water continues to pass through the water distribution block 14 and the ball valve 15, and the ball valve 15 can be manually opened or closed to respond to emergency; then flows into the flow detection unit 6 in the branch control box 5 from the main waterway 64 through the high-pressure water pipe 9, and then flows into the water flow on-off unit 7 through the branch waterway 65, at this time, the water pressure causes the impeller 621 arranged in the diversion part 62 to rotate, the inductor 63 at the outer side feeds back the rotation condition of the impeller 621 to the PLC controller 2, and whether the pipeline is blocked or not is detected; meanwhile, the electromagnetic valve (not shown) is in an open state, water flows into the required mold from the water outlet hole 12 through the electromagnetic valve (not shown), and the one-way valve (not shown) in the back blowing unit 8 prevents water from flowing into the air channel pipeline. When inductor 63 detects out the pipeline and blocks up, PLC controller 2 control switching piece 11 is opened, high-pressure gas lets in blowback unit 8 through trachea 10, open check valve (not shown in the figure) through solenoid valve (not shown in the figure) in the top, let in the mould from apopore 12, form the air explosion effect in the mould pipeline again for high-pressure gas, play the cleaning performance to the impurity of pipeline, and can change the frequency of high-pressure gas according to the form of pipeline, reach the cleaning performance, realize the purpose of self-cleaning promptly, and is simple in structure, intelligent degree is high, the advantage of improvement production efficiency.
It is to be understood that the foregoing is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, which is defined by the following claims and drawings.