CN219445659U - Wire cutting machine - Google Patents

Abstract

The utility model relates to the technical field of wire cutting, in particular to a wire cutting machine, which aims to solve the problem of large occupied area of the wire cutting machine due to the fact that the wire cutting machine is provided with a plurality of cooling systems. For this purpose, the wire cutting machine provided by the utility model is provided with a plurality of cutting stations which are arranged in a ring shape, the wire cutting machine comprises a plurality of external circulation cooling systems for providing cutting fluid for the cutting stations, the external circulation cooling systems are arranged in one-to-one correspondence with the cutting stations, and the cutting stations are arranged outside the external circulation cooling systems. The beneficial effects of the utility model are as follows: the cutting station and the external circulation cooling system not only adopt a one-to-one corresponding arrangement mode, but also adopt an annular arrangement mode, so that the overall symmetry of the wire cutting machine is improved, and the stability of the wire cutting machine in the working state is improved. Further, a plurality of cutting stations are located the outside of a plurality of outer circulation cooling systems, are convenient for carry out the change of machined part, have improved machining efficiency.

Description

Wire cutting machine

Technical Field

The utility model relates to the technical field of wire cutting, and particularly provides a wire cutting machine.

Background

Wire cutting is a processing method for cutting a piece to be cut by a cutting wire by reciprocating the cutting wire at a high speed and relatively moving the cutting wire with respect to the piece to be cut (such as a material of a photovoltaic silicon rod, a semiconductor, silicon carbide, sapphire, a magnetic material, etc.). The slicing process of the workpiece to be cut is realized by a slicing machine.

In order to improve the machining efficiency, the number of cutting stations of the wire cutting machine is increased, but the working pressure of the cooling system is increased, so that the power of a power source in the cooling system has to be improved, which not only increases the production cost of the wire cutting machine, but also improves the failure rate of the wire cutting machine. In order to solve the problem, some wire cutting machines on the market adopt a mode of adopting a plurality of cooling systems, but the plurality of cooling systems cause the problem that the space layout of the wire cutting machine is disordered and the occupied area is large.

Accordingly, there is a need in the art for a new wire cutting machine that addresses the above-described problems.

Disclosure of Invention

The utility model aims to solve the technical problem that the wire cutting machine has a plurality of cooling systems, so that the occupied area is large. For this purpose, the utility model provides a wire cutting machine, which is provided with a plurality of cutting stations which are arranged in a ring shape, wherein the wire cutting machine comprises a plurality of external circulation cooling systems for providing cutting fluid for the cutting stations, the external circulation cooling systems are arranged in a one-to-one correspondence with the cutting stations, the cutting stations are arranged outside the external circulation cooling systems, and the external circulation cooling systems are arranged in a ring shape.

In the specific embodiment of the wire cutting machine, the number of the cutting stations and the number of the external circulation cooling systems are two.

In the specific embodiment of the wire cutting machine, the two cutting stations and the two external circulation cooling systems are arranged in a mode of symmetry of a central vertical plane, the two cutting stations are located on the outer side, and the two external circulation cooling systems are located on the inner side.

In a specific embodiment of the wire cutting machine, the external circulation cooling system comprises a liquid supply device, a filtering device and a recovery device which are sequentially communicated, the recovery device comprises a reflux device and a reflux pipeline, the filtering device drains overflowed cooling liquid to the reflux device by means of the reflux pipeline, and the reflux device is communicated with the liquid supply device.

In the specific embodiment of the wire cutting machine, the filtering device comprises a first filtering barrel and a second filtering barrel which are sequentially communicated, and the first filtering barrel and the second filtering barrel are communicated with the reflux device by virtue of the reflux pipeline.

In the specific embodiment of the wire cutting machine, the external circulation cooling system further comprises a heat exchange device, and the heat exchange device is respectively communicated with the first filter vat and the second filter vat.

In a specific embodiment of the wire cutting machine, the heat exchange device comprises a heat exchanger and a heat exchange pipeline, wherein the heat exchanger is arranged between the first filter vat and the second filter vat and is communicated with an external cooling source by means of the heat exchange pipeline.

In the specific embodiment of the wire cutting machine, the heat exchanger is a jacket type heat exchanger, an immersed coil heat exchanger, a spray type heat exchanger, a plate type heat exchanger, a shell-and-tube heat exchanger or a double-tube plate heat exchanger.

In a specific embodiment of the wire cutting machine, the number of the heat exchangers is plural and the heat exchangers are all arranged between the first filter vat and the second filter vat.

In the specific embodiment of the wire cutting machine, a plurality of heat exchangers are connected in series.

In the specific embodiment of the wire cutting machine, the number of the first filter barrels and the number of the second filter barrels are the same.

In the specific embodiment of the wire cutting machine, the external circulation cooling system further comprises a spraying device, and the spraying device is communicated with the second filter vat and used for spraying cooling liquid to the working area.

In a specific embodiment of the wire cutting machine, the spraying device comprises a spraying pipe and a nozzle, wherein the spraying pipe is communicated with the second filter vat, and the nozzle is arranged on the spraying pipe.

In a specific embodiment of the above wire cutting machine, the recycling device further includes a funnel, and the funnel is located below the nozzle and above the liquid supply device.

In a specific embodiment of the wire cutting machine, the cutting station is provided with a cutting chamber, a cutting mechanism is arranged in the cutting chamber, and the opening of the nozzle faces the cutting mechanism.

In a specific embodiment of the wire cutting machine, the liquid supply device comprises a liquid supply cylinder and a liquid supply pump, wherein the liquid supply pump is arranged on the liquid supply cylinder and is used for supplying cooling liquid to the filtering device.

In a specific embodiment of the above wire cutting machine, the wire cutting machine is a slicer.

The wire cutting machine provided by the utility model has the beneficial effects that: the cutting station and the external circulation cooling system not only adopt a one-to-one corresponding arrangement mode, but also adopt an annular arrangement mode, so that the overall symmetry of the wire cutting machine is improved, and the stability of the wire cutting machine in the working state is improved. Further, a plurality of cutting stations are located the outside of a plurality of outer circulation cooling systems, are convenient for carry out the change of machined part, have improved machining efficiency.

Drawings

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of two sets of internal circulation systems in a symmetrical form provided by the utility model;

fig. 2 is a schematic structural diagram of a single internal circulation system provided by the utility model.

In the figure: 1. the liquid supply device comprises a liquid supply device 11, a liquid supply cylinder 12, a liquid supply pump 2, a filtering device 21, a first filtering barrel 22, a second filtering barrel 3, a recycling device 31, a reflux device 32, a reflux pipeline 4, a heat exchange device 41, a heat exchanger 42, a heat exchange pipeline 5 and a spraying device.

Detailed Description

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directional or positional relationships, and are based on the directional or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the relevant 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 utility model. Furthermore, the ordinal terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

As shown in fig. 1 and 2, the present utility model provides a wire cutting machine, which has a plurality of cutting stations arranged in a ring shape, the wire cutting machine includes a plurality of external circulation cooling systems for providing cutting fluid to the cutting stations, the external circulation cooling systems are arranged in one-to-one correspondence with the cutting stations, the cutting stations are arranged outside the external circulation cooling systems, and the plurality of external circulation cooling systems are arranged in a ring shape.

In this embodiment, wire-electrode cutting has a plurality of cutting stations that are annular arrangement to wire-electrode cutting machine includes a plurality of outer circulation cooling system that are used for providing cutting fluid for cutting stations, a plurality of outer circulation cooling system and a plurality of cutting stations take the mode of one-to-one to set up, a plurality of outer circulation cooling system also adopt annular setting mode, cutting stations are located the outside of outer circulation cooling system, from overlooking the annular outside that the angle of view cutting station formed, cutting stations are located the outside, be convenient for carry out the change of machined part, machining efficiency has been improved, outer circulation cooling system symmetry sets up the inboard, wire-electrode cutting machine's occupation space has been reduced, the outer circulation cooling system of symmetry setting form has still improved wire-electrode cutting machine's overall stability.

Further, as shown in fig. 1 and 2, the cutting station and the external circulation cooling system are two. The two cutting stations and the two external circulation cooling systems are arranged in a plane symmetrical mode, the two cutting stations are located on the outer side, and the two external circulation cooling systems are located on the inner side.

In this embodiment, on the premise of considering production cost, the wire cutting machine is set to be in the form of two cutting stations, and the two external circulation cooling systems are correspondingly arranged, in addition, in order to make the center of the wire cutting machine closer to the center of gravity, the two cutting stations are arranged in the form of symmetrical central vertical planes, that is, the cutting stations are arranged in a left-right symmetrical or left-right symmetrical mode when seen from the front of the wire cutting machine, and similarly, the two external circulation cooling systems are also arranged in the form of symmetrical central vertical planes, that is, the external circulation cooling systems are arranged in the form of identical cutting stations, and only the two external circulation cooling systems are arranged between the two cutting stations.

Further, as shown in fig. 1 and 2, the external circulation cooling system includes a liquid supply device 1, a filtering device 2, and a recovery device 3 which are sequentially communicated, the recovery device 3 includes a return pipe 31 and a return pipe 32, the filtering device 2 drains overflowed cooling liquid to the return pipe 31 via the return pipe 32, and the return pipe 31 communicates with the liquid supply device 1.

In this embodiment, the liquid supply device 1 is used for holding a cooling liquid, the liquid supply device 1 is communicated with the filtering device 2 and is used for providing the cooling liquid to the filtering device 2, the filtering device 2 is used for filtering the cooling liquid, impurities in the cooling liquid are removed, the cooling liquid passing through the filtering device 2 is supplied to a working area and enters the recovery device 3 after passing through the working area, and the recovery device 3 is used for recovering the cooling liquid and conveying the recovered cooling liquid to the liquid supply device 1 so as to complete the recycling of the cooling liquid. In order to avoid the waste of the cooling liquid caused by the overflow of the cooling liquid in the filtering device 2, the filtering device 2 comprises a filtering barrel, the recovery device 3 comprises a reflux device 31 and a reflux pipeline 32, the filtering barrel is communicated with the reflux device 31 by means of the reflux pipeline 32, the reflux device 31 is communicated with the liquid supply device 1, when the cooling liquid in the filtering barrel is more, the cooling liquid enters the reflux device 31 through the reflux pipeline 32 and then enters the liquid supply device 1 from the reflux device 31, so that the overflow of the cooling liquid in the filtering barrel caused by the excessive cooling liquid is avoided, and the waste of the cooling liquid is caused.

Further, as shown in fig. 1 and 2, the filtering apparatus 2 includes a first filter vat 21 and a second filter vat 22 which are sequentially communicated, and both the first filter vat 21 and the second filter vat 22 are communicated with a return 31 by means of a return line 32.

In this embodiment, in order to fully filter the cooling liquid, the cooling liquid may be subjected to multi-stage filtration, where the filter vat is divided into a first filter vat 21 and a second filter vat 22, the cooling liquid enters the first filter vat 21 for filtration, and then enters the second filter vat 22 for filtration, and due to the two-stage filtration, the first filter vat 21 can filter impurities with larger size, and then the second filter vat 22 filters the impurities remaining in the cooling liquid. The two-stage filtration form is also beneficial to reducing the occurrence of blockage of the filter vat. In order to prevent the coolant from overflowing, both the first filter vat 21 and the second filter vat 22 are communicated with the return 31 by means of a return line 32.

Further, as shown in fig. 1 and 2, the external circulation cooling system further includes a heat exchanging device 4, and the heat exchanging device 4 is respectively communicated with the first filter vat 21 and the second filter vat 22.

In this embodiment, since the cooling liquid needs to be cooled down before entering the working area, the heat exchange device 4 may be disposed between the first filter vat 21 and the second filter vat 22, the medium in the heat exchange device 4 is not in direct contact with the cooling liquid, and in order to improve the heat exchange efficiency, the flow direction of the medium in the heat exchange device 4 and the flow direction of the cooling liquid are set in opposite forms. In the wire cutting machine specifically protected by the present utility model, the second filter vat 22 is downstream of the flow meter, i.e., the coolant flowing out of the first filter vat 21 first passes through the flow meter and then flows into the second filter vat 22.

It should be noted that, from the standpoint of cooling the cooling liquid alone, the heat exchange device 4 may be disposed before the first filter vat 21 or after the second filter vat 22. The heat exchange device 4 is arranged between the first filter vat 21 and the second filter vat 22, which is considered from the point of view of the overall arrangement of the wire cutting machine, namely, in the wire cutting machine to be protected, the cooling liquid supplied by the liquid cylinder passes through the first filter vat to be cooled in the heat exchange device and then flows into the spray assembly, but impurities in the components can enter the cooling liquid due to the components such as a flowmeter, a longer pipeline and the like between the plate heat exchanger and the spray assembly, so that the cooling liquid entering the spray assembly is contaminated, and finally, the wire cutting machine frequently has the problem of jumper or wire breakage in the working state. In order to solve the above problem, a second filter vat is arranged between the flowmeter and the spray assembly, and the second filter vat can filter the cooling liquid which is about to enter the spray assembly again so as to remove most of impurities in the cooling liquid.

Further, as shown in fig. 1 and 2, the heat exchanging device 4 includes a heat exchanger 41 and a heat exchanging pipe 42, the heat exchanger 41 being disposed between the first filter vat 21 and the second filter vat 22 and communicating with an external cooling source via the heat exchanging pipe 42.

In this embodiment, the heat exchange device 4 includes a heat exchanger 41 and a heat exchange pipeline 42, the heat exchanger 41 is disposed between the first filter vat 21 and the second filter vat 22, the communication pipeline between the first filter vat 21 and the second filter vat 22 passes through the heat exchanger 41, the heat exchanger 41 is communicated with an external cooling source by means of the heat exchange pipeline 42, the cooling source provides a medium with a low temperature for the heat exchanger 41, and the medium replaces heat in the cooling liquid.

The external cooling source may be selected as a cold water system configured in the plant, or may be selected as a heating system in the plant. Further, the medium in the external cooling source may be a liquid or alternatively a gas.

Further, as shown in fig. 1 and 2, the heat exchanger 41 is a jacket type heat exchanger 41, an immersed coil heat exchanger 41, a shower type heat exchanger 41, a plate type heat exchanger 41, a shell-and-tube heat exchanger 41 or a double tube plate heat exchanger 41.

In this embodiment, the common type of heat exchanger 41 is selected, which is beneficial to reducing the cost and improving the cooling efficiency.

Further, as shown in fig. 1 and 2, the number of heat exchangers 41 is plural and each is provided between the first filter vat 21 and the second filter vat 22.

In this embodiment, in order to further reasonably plan the spatial layout of the whole machine, the number of heat exchangers 41 can be reasonably designed on the premise of improving the heat exchange efficiency. Whether in the form of one heat exchanger 41 or in the form of a plurality of heat exchangers 41, all the heat exchangers 41 are disposed between the first filter vat 21 and the second filter vat 22

Further, as shown in fig. 1 and 2, a plurality of heat exchangers 41 are connected in series.

In this embodiment, in order to reduce the number of pipelines in the whole slicer and reasonably plan the layout of the pipelines, when the number of the heat exchangers 41 exceeds one, all the heat exchangers 41 are connected in series, and the pipelines between the first filter vat 21 and the second filter vat 22 sequentially pass through the heat exchangers 41.

Further, as shown in fig. 1 and 2, the number of the first filter vat 21 and the second filter vat 22 is the same.

In this embodiment, in order to reduce the production cost, the number of the first filter vat 21 and the second filter vat 22 are set to be the same, and in order to further reduce the production cost, the difference between the first filter vat 21 and the second filter vat 22 is only that the gaps of the filter elements are different, and other parts are identical.

Further, as shown in fig. 1 and 2, the external circulation cooling system further includes a spray device 5, and the spray device 5 is communicated with the second filter vat 22 and is used for spraying the cooling liquid to the working area.

In this embodiment, spray set 5 is used for spraying the workspace with the coolant liquid, and spray set 5 intercommunication second filter vat 22, the coolant liquid after the second filter vat 22 filters contains very little impurity to the temperature is lower, is favorable to playing better lubrication and cooling effect to the work piece course of working.

Further, as shown in fig. 1 and 2, the shower device 5 includes a shower pipe and a nozzle, the shower pipe is communicated with the second filter vat 22, and the nozzle is provided on the shower pipe.

In this embodiment, in order to better spray the cooling liquid onto the workpiece, the spray device 5 includes a spray pipe and a nozzle, the spray pipe is disposed above the processing area and is communicated with the second filter vat 22, the nozzle is disposed on the spray pipe and the nozzle is directed toward the workpiece.

It should be noted that the shower pipe may take a moving form or a fixed form. When the spray pipe adopts a moving mode, the nozzle moves along with the spray pipe.

Further, as shown in fig. 1 and 2, the recovery device 3 further comprises a funnel, which is located below the nozzle and above the liquid supply device 1.

In this embodiment, in order to achieve efficient recovery of the cooling liquid, the recovery device 3 further includes a funnel, which is located below the nozzle and also below the workpiece, but above the liquid supply device 1, and after the cooling liquid is sprayed onto the workpiece through the nozzle, the cooling liquid flows onto the funnel along the workpiece, and then flows into the liquid supply device 1 along the funnel. The opening cross-sectional area of the funnel is larger than the outlet cross-sectional area, so that more cooling liquid can be guaranteed to flow back into the liquid supply device 1, and the waste of the cooling liquid is further reduced.

Further, as shown in fig. 1 and 2, the liquid supply device 1 includes a liquid supply cylinder 11 and a liquid supply pump 12, and the liquid supply pump 12 is provided on the liquid supply cylinder 11 and is configured to supply the cooling liquid to the filtering device 2.

In this embodiment, the liquid supply device 1 includes a liquid supply cylinder 11 and a liquid supply pump 12, the liquid supply cylinder 11 is used for containing cooling liquid, the liquid supply pump 12 is used for providing the cooling liquid to the filtering device 2, especially to the first filtering barrel 21, and a driving device of the liquid supply pump 12 is also arranged on the liquid supply cylinder 11; the funnel can be directly located the top of supplying the hydraulic cylinder 11, also can guide the coolant liquid to supplying the hydraulic cylinder 11 with the help of the pipeline, when the funnel is located the top of supplying the hydraulic cylinder 11, the coolant liquid can flow into supplying the hydraulic cylinder 11 under the effect of dead weight in, has avoided increasing the power piece that the coolant liquid flowed into supplying the hydraulic cylinder 11 again.

Further, the wire cutting machine is a microtome.

The external circulation cooling system provided by the utility model is mainly applied to a slicing machine, and in order to improve the processing efficiency of the slicing machine, the optimal external circulation cooling system applied to the slicing machine comprises a liquid supply device 1, a filtering device 2, a spraying device 5, a recovery device 3 and a heat exchange device 4, wherein the liquid supply device 1, the filtering device 2, the spraying device 5 and the recovery device 3 form the circulation utilization of cooling liquid, and the heat exchange device 4 is used for cooling the cooling liquid. The spraying device 5 is used for spraying the processing station of the slicing machine, the sprayed cooling liquid is sprayed at the contact position of the diamond wire and the workpiece, and the funnel is positioned below the workpiece and used for collecting the cooling liquid.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (17)

1. The wire cutting machine is characterized by comprising a plurality of cutting stations which are annularly arranged, wherein the wire cutting machine comprises a plurality of external circulation cooling systems which are used for providing cutting fluid for the cutting stations, the external circulation cooling systems are arranged in one-to-one correspondence with the cutting stations, the cutting stations are arranged outside the external circulation cooling systems, and the external circulation cooling systems are annularly arranged.

2. The wire cutting machine of claim 1, wherein the cutting station and the external circulation cooling system are two.

3. The wire cutting machine according to claim 2, wherein two of the cutting stations and two of the external circulation cooling systems are each provided in a form symmetrical to a central vertical plane, two of the cutting stations being located on the outside and two of the external circulation cooling systems being located on the inside.

4. A wire cutting machine according to any one of claims 1 to 3, wherein the external circulation cooling system comprises a liquid supply device, a filtering device and a recovery device which are communicated in sequence, the recovery device comprising a return and a return line, the filtering device draining overflowed cooling liquid to the return by means of the return line, the return communicating with the liquid supply device.

5. The wire cutting machine of claim 4, wherein the filtering device comprises a first filter vat and a second filter vat in sequential communication, both of which communicate with the return via the return line.

6. The wire cutting machine of claim 5, wherein the external circulation cooling system further comprises a heat exchange device in communication with the first filter vat and the second filter vat, respectively.

7. The wire cutting machine of claim 6, wherein the heat exchange device comprises a heat exchanger and a heat exchange line, the heat exchanger being disposed between the first filter vat and the second filter vat and communicating with an external cooling source via the heat exchange line.

8. The wire cutting machine of claim 7, wherein the heat exchanger is a jacketed heat exchanger, submerged coil heat exchanger, spray heat exchanger, plate heat exchanger, shell and tube heat exchanger, or a double tube sheet heat exchanger.

9. The wire cutting machine of claim 7, wherein the number of heat exchangers is plural and each is provided between the first filter vat and the second filter vat.

10. The wire cutting machine of claim 9, wherein a plurality of the heat exchangers are connected in series.

11. The wire cutting machine of claim 7, wherein the number of the first filter barrels and the second filter barrels are the same.

12. The wire cutting machine of claim 5, wherein the external circulation cooling system further comprises a spray device in communication with the second filter vat and configured to spray a cooling fluid to a work area.

13. The wire cutting machine of claim 12, wherein the spray device comprises a spray pipe and a nozzle, the spray pipe is communicated with the second filter vat, and the nozzle is arranged on the spray pipe.

14. The wire cutting machine of claim 13, wherein the recovery device further comprises a funnel positioned below the nozzle and above the liquid supply device.

15. The wire cutting machine of claim 13, wherein the cutting station is provided with a cutting chamber having a cutting mechanism therein, the nozzle opening toward the cutting mechanism.

16. The wire cutting machine of claim 4, wherein the liquid supply device comprises a liquid supply cylinder and a liquid supply pump, the liquid supply pump being provided on the liquid supply cylinder and being configured to supply the cooling liquid to the filtering device.

17. A wire cutting machine according to any one of claims 1 to 3, wherein the wire cutting machine is a microtome.