CN220262134U - Pressing assembly cooling device of press - Google Patents
Pressing assembly cooling device of press Download PDFInfo
- Publication number
- CN220262134U CN220262134U CN202321957059.0U CN202321957059U CN220262134U CN 220262134 U CN220262134 U CN 220262134U CN 202321957059 U CN202321957059 U CN 202321957059U CN 220262134 U CN220262134 U CN 220262134U
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- China
- Prior art keywords
- valve
- press
- water inlet
- pipeline
- proximity switch
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- 238000003825 pressing Methods 0.000 title claims abstract description 38
- 238000001816 cooling Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000007921 spray Substances 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Press Drives And Press Lines (AREA)
- Forging (AREA)
Abstract
The utility model discloses a pressing assembly cooling device of a press, which comprises a water jacket arranged at the outer side of a press die and a spray pipe; the spray pipe is arranged between the die and a punch of the press; the spray pipe is provided with a spray hole; one end of the bypass pipeline is communicated with a water inlet pipeline at the upper side of the first valve, and the other end of the bypass pipeline is communicated with a water inlet of the spray pipe; the bypass pipe is provided with a second valve. The advantages are that: the pressing assembly is cooled through the spray pipe, so that the cooling effect is improved, and the service life of the pressing assembly is guaranteed. The proximity switch is fixedly arranged in the displacement direction of the plunger, when the plunger rises to the highest position, the proximity switch contact of the control circuit is closed, the valve and the booster pump of the pipeline are automatically controlled through the intermediate relay and the alternating current contactor, the water jacket and the spray pipe synchronously cool the pressing assembly, and when the plunger descends to leave the proximity switch, the proximity switch contact is disconnected, cooling is stopped, and normal pressing operation is guaranteed.
Description
Technical field:
the utility model relates to the technical field of hot pressing devices, in particular to a pressing component cooling device of a press.
The background technology is as follows:
the manufacturing of high-precision parts requires the use of a press machine, such as a particle steel hot briquetting machine used in a particle steel briquetting production line, and the press machine drives a pressing assembly to apply a process force to a workpiece through a transmission mechanism so as to finish pressing. The pressing assembly is a core component of the pressing assembly, and generally the pressing assembly consists of a die, a punch rod and a punch head arranged at the bottom end of the punch rod, and the working process mainly comprises the following steps: (1) Charging, heating the filler to a required temperature and adding the filler into a mould; (2) Pressing, namely starting a hydraulic system after filling, and applying high pressure through a punch rod and a punch head to enable the filling to flow in a die to form a specific shape; (3) And cooling, namely cooling the die of the press by using a cooling system after the pressing operation is completed.
The existing press is mainly used for cooling the die through the water jacket, but in the pressing process, the punch rod and the punch head of the pressing assembly are also in contact with high-temperature materials, so that the whole pressing assembly is high in temperature, when the pressing assembly is at high temperature for a long time, the strength of the pressing assembly is reduced, the service life of the pressing assembly is reduced, and the pressing assembly needs to be replaced once every month on average, so that the normal operation of a hot pressing production line is seriously influenced, and the quality of hot pressing products is also influenced.
The utility model comprises the following steps:
the utility model aims to provide a cooling device for effectively cooling a punch rod of a punch and prolonging the service life of a pressing assembly.
The utility model is implemented by the following technical scheme: the pressing component cooling device of the press comprises a water jacket arranged on the outer side of a press die, wherein a water inlet of the water jacket is communicated with a water inlet pipeline, a water return port of the water jacket is communicated with a water return pipeline, a first valve is arranged on the water inlet pipeline, and the pressing component cooling device further comprises a bypass pipeline and a spray pipe; the spray pipe is arranged between the die and a punch of the press; the spray pipe is provided with a spray hole; one end of the bypass pipeline is communicated with the water inlet pipeline at the upper side of the first valve, and the other end of the bypass pipeline is communicated with the water inlet of the spray pipe; and a second valve is arranged on the bypass pipeline.
Preferably, the intelligent control device further comprises a control circuit, wherein the control circuit comprises a proximity switch, an intermediate relay and an alternating current contactor; the proximity switch is arranged in the displacement direction of a punch rod of the press, and the proximity switch is closed when the punch rod rises to the highest point; the proximity switch and the coil of the intermediate relay are connected in series to form a closed loop, the normally open contact of the intermediate relay and the coil of the alternating current contactor are connected in series to form a closed loop, and the normally open contact of the alternating current contactor and the second valve are connected in series to form a closed loop.
Preferably, a spraying booster pump is arranged on the bypass pipe, and a motor of the spraying booster pump is connected in parallel with two ends of the second valve.
Preferably, a water inlet booster pump is arranged on the water inlet pipeline between the first valve and the water jacket.
Preferably, the first valve is connected in series with the motor of the water inlet booster pump and then connected in parallel with two ends of the second valve.
The utility model has the advantages that: a communicated bypass pipeline and a spray pipe are arranged on the water inlet pipeline; the spray pipe is used for cooling the pressing assembly, so that the die can be further cooled, the cooling effect is improved, the punch rod and the punch head can be cooled, and the service life of the pressing assembly is guaranteed. The pressing device is characterized in that a proximity switch is fixedly arranged in the displacement direction of the plunger, when pressing is completed and the plunger rises to the highest position, the contact of the proximity switch of the control circuit is closed, the valve and the booster pump on the pipeline are automatically controlled through the intermediate relay and the alternating current contactor, the water jacket and the spray pipe synchronously cool the pressing assembly, and when the plunger descends to leave the proximity switch, the contact of the proximity switch is disconnected, cooling is stopped, and normal pressing is guaranteed.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.
Fig. 2 is a schematic view of the shower pipe structure of example 1.
Fig. 3 is a circuit diagram of embodiment 1.
Water jacket 1 、 Intake pipe 2 、 Return water pipeline 3 、 Inlet booster pump 4 、 Mould 5 、 Bypass line 6 、 Shower pipe 7 、 Spray holes 7.1 、 Punch 8 、 Spray booster pump 9 、 Punch 10 、 First valve ST1 、 The second valve ST2 is close to the switch SQ, the intermediate relay KA and the alternating current contactor KM.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
the pressing assembly cooling device of the press machine shown in fig. 1-3 comprises a water jacket 1 arranged on the outer side of a press machine die, wherein a water inlet of the water jacket 1 is communicated with a water inlet pipeline 2, a water return port of the water jacket 1 is communicated with a water return pipeline 3, a first valve ST1 is arranged on the water inlet pipeline 2, a water inlet booster pump 4 is arranged on the water inlet pipeline 2 between the first valve ST1 and the water jacket 1, and circulating water cooling is carried out on the die 5 through the water jacket 1.
The cooling device also comprises a bypass pipeline 6 and a spray pipe 7; wherein the spray pipe 7 is arranged between the die 5 and the punch 8 of the press; the spray pipe 7 is provided with spray holes 7.1. One end of the bypass pipeline 6 is communicated with the water inlet pipeline 2 at the upper side of the first valve ST1, and the other end of the bypass pipeline 6 is communicated with the water inlet of the spray pipe 7; the bypass line 6 is provided with a second valve ST2 and a spray booster pump 9.
The control circuit is used for controlling the valve and the pump of the pipeline, and specifically comprises a proximity switch SQ, an intermediate relay KA and an alternating current contactor KM; the proximity switch SQ is provided in the displacement direction of the ram 10 of the press, and is closed when the ram 10 rises to the highest point. The proximity switch SQ and the coil of the intermediate relay KA are connected in series to form a closed loop, the normally open contact KA1 of the intermediate relay and the coil of the alternating current contactor KM are connected in series to form a closed loop, and the normally open contact KM1 of the alternating current contactor and the second valve ST2 are connected in series to form a closed loop.
The motors of the spraying booster pump 9 are connected in parallel at two ends of the second valve ST2, and after the motors of the first valve ST1 and the water inlet booster pump 4 are connected in series, the motors are connected in parallel at two ends of the second valve ST 2.
The working description: the control of the punches 8, 10 is by means of conventional techniques in the art, which are not described in detail here. First, the heated filler is introduced into the die 5, and the filler is press-molded by the punch 10 and the punch 8. After the pressing is finished, the punch rod 10 moves upwards, the pressing workpiece is pushed out of the die 5, when the punch rod 10 ascends to the highest position to touch the proximity switch SQ, the contact of the proximity switch SQ is closed, the coil of the intermediate relay KA is electrified, the normally open contact KA1 is closed, the coil of the alternating current contactor KM is electrified, and the normally open contact KM1 of the alternating current contactor is closed, and meanwhile: (1) The motor of the water inlet booster pump 4 starts to rotate, and the water circulation in the water jacket 1 cools the die 5; (2) The second valve ST2 is started, the motor of the spraying booster pump 9 starts to rotate, and the punch 10, the punch 8 and the die 5 are further sprayed and cooled through the spraying holes 7.1 on the spraying pipe 7.
When the die 5 is completely pushed out of the die 5, the punch 10 and the punch 8 start to descend, and when the punch 10 descends away from the position of the proximity switch SQ, the contact of the proximity switch SQ is opened, the cooling system stops working, and one working cycle is completed.
The subsequent duty cycle is the same as the process described above.
After installation and debugging, the pressing assemblies of the same manufacturer, the same material and the same batch are tested, the feeding of the production line is increased from 3462 tons to 8806.6 tons, and the service life is prolonged by 2.5 times. The overhaul and replacement period of the pressing assembly is effectively increased, the overhaul time of the press is shortened, the equipment operation rate is improved, the material spare part cost is saved, and the productivity of the production line is improved.
Claims (5)
1. The pressing component cooling device of the press machine comprises a water jacket arranged on the outer side of a press machine die, wherein a water inlet of the water jacket is communicated with a water inlet pipeline, a water return port of the water jacket is communicated with a water return pipeline, and a first valve is arranged on the water inlet pipeline;
the spray pipe is arranged between the die and a punch of the press; the spray pipe is provided with a spray hole;
one end of the bypass pipeline is communicated with the water inlet pipeline at the upper side of the first valve, and the other end of the bypass pipeline is communicated with the water inlet of the spray pipe; and a second valve is arranged on the bypass pipeline.
2. The press assembly cooling apparatus of claim 1, further comprising a control circuit including a proximity switch, an intermediate relay, an ac contactor;
the proximity switch is arranged in the displacement direction of a punch rod of the press, and the proximity switch is closed when the punch rod rises to the highest point;
the proximity switch and the coil of the intermediate relay are connected in series to form a closed loop, the normally open contact of the intermediate relay and the coil of the alternating current contactor are connected in series to form a closed loop, and the normally open contact of the alternating current contactor and the second valve are connected in series to form a closed loop.
3. The pressing assembly cooling device of the press machine according to claim 2, wherein a spraying booster pump is arranged on the bypass pipe, and motors of the spraying booster pump are connected in parallel with two ends of the second valve.
4. A press assembly cooling device of a press machine according to claim 3, wherein a water inlet booster pump is provided on the water inlet line between the first valve and the water jacket.
5. The press assembly cooling apparatus of claim 4, wherein the first valve is connected in parallel with the motor of the intake booster pump after being connected in series to both ends of the second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957059.0U CN220262134U (en) | 2023-07-21 | 2023-07-21 | Pressing assembly cooling device of press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957059.0U CN220262134U (en) | 2023-07-21 | 2023-07-21 | Pressing assembly cooling device of press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220262134U true CN220262134U (en) | 2023-12-29 |
Family
ID=89306353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321957059.0U Active CN220262134U (en) | 2023-07-21 | 2023-07-21 | Pressing assembly cooling device of press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220262134U (en) |
-
2023
- 2023-07-21 CN CN202321957059.0U patent/CN220262134U/en active Active
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| GR01 | Patent grant |