CN206484744U - A kind of cutting liquid double loop cooling device - Google Patents

Abstract

The utility model provides a kind of cutting liquid double loop cooling device, can be prevented effectively from deposition of the silicon bits powder in heat exchanger and pipeline, can guarantee that the unimpeded of coolant transfer passage, heat exchanger effectiveness is high, and can improve chipping qualities, reduces the cost of repairs；Cutting liquid a mixing bowl connects filter, plate type heat exchanger connects filter, plate type heat exchanger passes through the cutting liquid outlet connection that is sequentially connected, cutting liquid delivery pipe two, hose coupling is connected with electromagnetic flowmeter, electromagnetic flowmeter is connected with the C joints of cutting liquid distribution circuit, the D joints of cutting liquid distribution circuit are connected after being connected with the first diaphragm valve with A backflow fittings, the E joints of cutting liquid distribution circuit are connected after being connected with the second diaphragm valve with three-way pipe Single port, cutting chamber is accessed in three-way pipe other two port after connecting cutting liquid delivery pipe three respectively, A backflow fittings lead directly to B backflow fittings and are connected, and B backflow fittings are through return hose, cutting liquid a mixing bowl is connected after backflow fittings.

Description

A dual-circuit cooling device for cutting fluid

technical field

The utility model relates to the automation field of numerical control machine tools, in particular to a double-circuit cooling device for cutting fluid.

Background technique

Under the premise of developing green energy, there are more and more cutting equipment for silicon ingots. At present, most of the slicing equipment for silicon ingots on the market use plate heat exchangers, cutting chambers, cutting fluid cylinders, and filters in sequence. Although this traditional cooling method is effective, once the equipment is shut down and the cutting fluid pump is no longer working, the cutting fluid in the pipeline will easily cause silicon Swarf powder is deposited in the plate heat exchanger and pipeline, and it is difficult to remove it, which may easily cause impact on the pipeline when the pump body is restarted, and the sediment will peel off and enter the cutting wire network during the cutting process, affecting the quality of the slice, seriously Otherwise, all the silicon wafers of the knife will be scrapped. Even if the impact when restarting is not considered, the silicon powder deposited in the plate heat exchanger and the pipeline will gradually block the cooling liquid delivery channel and reduce the heat exchange efficiency. Affect production, reduce slice quality, and the cost of repair is higher.

Contents of the invention

In view of the above problems, the utility model provides a dual-circuit cooling device for cutting fluid, which can effectively avoid the deposition of silicon powder in the heat exchanger and the pipeline, ensure the smooth flow of the cooling fluid delivery channel, high heat exchange efficiency, and It can improve the slice quality and reduce the maintenance cost.

Its technical solution is as follows, which includes a cutting fluid mixing cylinder, the cutting fluid mixing cylinder is connected to a filter through a cutting fluid delivery pipe, and the plate heat exchanger is connected to the filter, and it is characterized in that: the plate heat exchanger Connect the electromagnetic flowmeter through the cutting fluid outlet joint, cutting fluid delivery pipe 2, and hose joint connected in sequence. The electromagnetic flowmeter is connected to the C joint of the cutting fluid distribution pipeline. The cutting fluid distribution pipeline The D joint is connected to the first diaphragm valve and then connected to the A return joint through the internal circulation hose joint and the internal circulation hose. The E joint of the cutting fluid distribution pipeline is connected to the second diaphragm valve and connected to the three-way pipe. The other two ports of the three-way pipe are respectively connected to the cutting fluid delivery pipe three and then connected to the cutting chamber. The A return connector is directly connected to the B return connector, and the B return connector passes through the return hose, return After the joint, connect the cutting fluid mixing cylinder.

It is further characterized in that the cutting fluid mixing cylinder is provided with a cutting fluid primary filter system, a mixing system and a cutting fluid output pump connected to each other; the filter is connected to one end of the cutting fluid inlet tee through the cutting fluid delivery pipe four , the flange end of the cutting fluid inlet tee pipe is connected to the plate heat exchanger, the other end of the cutting fluid inlet tee pipe is connected to the third diaphragm valve, the B return joint is a tee joint, and the The third diaphragm valve is connected to the B return connection.

The beneficial effect of the utility model is that the plate heat exchanger is connected with the cutting fluid distribution pipeline after being connected with the electromagnetic flowmeter, the D joint of the cutting fluid distribution pipeline is connected with the A return joint after being connected with the first diaphragm valve, and the cutting fluid The E joint of the distribution pipeline is connected to the second diaphragm valve and then connected to the first port of the three-way pipe. The other two ports of the three-way pipe are respectively connected to the cutting fluid delivery pipe three and then connected to the cutting chamber. The A return joint is directly connected to the B return joint. connection, and the B return connector is connected to the cutting fluid mixing cylinder through the return hose and the return connector, thereby forming a double-loop cooling structure, that is, in normal use, the cutting fluid enters the cutting fluid through the E connector, the second diaphragm valve, and the three-way pipe. When the equipment is shut down, close the second diaphragm valve and open the first diaphragm valve, so that the cutting fluid enters the cutting fluid mixing cylinder along the D joint, A return joint, and B return joint after passing through the plate heat exchanger and the electromagnetic flowmeter. This ensures the flow of coolant between the pipeline and the plate heat exchanger, avoids the deposition and clogging of silicon powder, ensures the smooth flow of the coolant delivery channel, improves the heat exchange efficiency, thereby improving the quality of the slices, and cleaning and Maintenance is also quite convenient, which is conducive to normal production and greatly reduces maintenance and repair costs.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a side view of the utility model.

detailed description

As shown in Figure 1 and Figure 2, the utility model includes a cutting fluid mixing cylinder 1, which is provided with a cutting fluid primary filter system, a mixing system and a cutting fluid output pump connected to each other in the cutting fluid mixing cylinder 1; the cutting fluid mixing cylinder 1 passes The cutting fluid delivery pipe 12 is connected to the filter 3, and the plate heat exchanger 4 is connected to the filter 3. Specifically, the filter 3 is connected to one end of the cutting fluid inlet tee pipe 6 through the cutting fluid delivery pipe 45, and the cutting fluid inlet tee The flange end of the pipe 6 is connected to the plate heat exchanger 4, and the other end of the cutting fluid inlet tee pipe 6 is connected to the third diaphragm valve 7. The third diaphragm valve 7 is normally closed in normal use, and only when the plate heat exchanger 4 is overhauled Open, the plate heat exchanger 4 is provided with a cooling water inlet 8 and a cooling water outlet 9; the plate heat exchanger 4 is connected with the electromagnetic flow through the cutting fluid outlet joint 10, the cutting fluid delivery pipe 11 and the hose joint 12 connected in sequence. The flowmeter 13 is connected to each other, and the electromagnetic flowmeter 13 can feed back the real-time flow rate to the operation panel. After the user adjusts the flow rate on the panel, the system adjusts the cutting fluid output pump speed according to the preset program, so as to obtain the required flow rate of the process; the electromagnetic flowmeter 13 and the cutting fluid The C connector 15 of the distribution pipeline 14 is connected, the D connector 16 of the cutting fluid distribution pipeline 14 is connected to the first diaphragm valve 17, and then connected to the A return connector 20 through the internal circulation hose joint 18 and the internal circulation hose 19, The E joint 21 of the cutting fluid distribution pipeline 14 is connected to the second diaphragm valve 22 and then connected to the first port of the three-way pipe 23, and the other two ports of the three-way pipe 23 are respectively connected to the cutting fluid delivery pipe three 24 and then connected to the cutting chamber. The A return joint 20 is directly connected to the B return joint 25, and the B return joint 25 is connected to the cutting fluid mixing cylinder 1 through the return hose 26 and the return joint 27. The B return joint 25 is a three-way joint, and the third diaphragm valve 7 is connected to the B The return connection 25 is connected.

The working principle of the utility model is that when the equipment is in normal operation, the cutting fluid enters the two nozzles of the cutting chamber after passing through the E joint 21, the second diaphragm valve 22, and the three-way pipe 23; the cutting chamber needs to stop spraying water when the cutting is stopped for maintenance, etc. , close the second diaphragm valve 22, open the first diaphragm valve 17, so that the cutting fluid passes through the D joint 16, the first diaphragm valve 17, the internal circulation hose joint 18, The internal circulation hose 19 reaches the A return joint 20, the A return joint 20 is directly connected to the B return joint 25, the B return joint 25 is connected to the return hose 26, and the cutting fluid enters the cutting fluid through the return hose 26 and the return joint 27 for stirring Cylinder 1, so as to complete an internal circulation without passing through the cutting chamber, which can ensure the flow of coolant between the pipeline and the plate heat exchanger 4, avoid the deposition and blockage of silicon powder, and ensure the smooth flow of the coolant delivery channel. The heat exchange efficiency is improved, thereby improving the slice quality, and the cleaning and maintenance are also quite convenient, which is conducive to normal production, thereby greatly reducing maintenance and repair costs.

Claims (2)

1. A cutting fluid dual-circuit cooling device, which comprises a cutting fluid mixing cylinder, the cutting fluid mixing cylinder is connected to a filter through a cutting fluid delivery pipe, and a plate heat exchanger is connected to the filter, characterized in that: the The plate heat exchanger is connected to the electromagnetic flowmeter through the cutting fluid outlet joint, the cutting fluid delivery pipe 2 and the hose joint connected in sequence. The electromagnetic flowmeter is connected to the C joint of the cutting fluid distribution pipeline. The cutting fluid The D joint of the distribution pipeline is connected to the first diaphragm valve and then connected to the A return joint through the internal circulation hose joint and the internal circulation hose. The E joint of the cutting fluid distribution pipeline is connected to the second diaphragm valve and then connected to the One port of the three-way pipe is connected, and the other two ports of the three-way pipe are respectively connected to the cutting fluid delivery pipe three and then connected to the cutting chamber. The A return joint is directly connected to the B return joint, and the B return joint is passed through The hose and the return connector are connected to the cutting fluid mixing tank. 2. A kind of cutting fluid dual-circuit cooling device according to claim 1, characterized in that, the cutting fluid mixing cylinder is provided with an interconnected cutting fluid primary filter system, a stirring system and a cutting fluid output pump; The filter is connected to one end of the cutting fluid inlet tee pipe through the cutting fluid delivery pipe four, the flange end of the cutting fluid inlet tee pipe is connected to the plate heat exchanger, and the other end of the cutting fluid inlet tee pipe is connected to the plate heat exchanger. The third diaphragm valve is connected, the B return joint is a three-way joint, and the third diaphragm valve is connected to the B return joint.