Spraying device and cutting machine
By designing a spray device that includes stacked spraying components and rotatably connected flow guides, the problem of insufficient retraction spraying effect in the prior art is solved, and a large flow rate of water flow closer to the spray point is achieved, and the silicon wafer yield rate is improved.
Patent Information
- Application Number
- CN202420154039.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-22
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-01-22
AI Technical Summary
In the prior art, the cutting machine has a weak tool retraction spraying effect, which makes it difficult for the cutting wire mesh to exit from the silicon wafer, thereby reducing the yield of the silicon wafer.
A spray device is designed, including a first spray assembly, a second spray assembly and a flow guide member. By stacking the spray assembly and a rotatable connection of the flow guide member, uniform flow of liquid and large flow of water are achieved, thereby enhancing the effect of retracting the spray.
In a limited cutting space, the retracted spray is closer to the spray point, providing a large flow of water flow, effectively impacting the separation of the silicon wafer, avoiding interference between the silicon wafer and the cutting wire network, facilitating the exit of the cutting wire network, and improving the yield rate of the silicon wafer.
Smart Images

Figure CN222571261U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to silicon wafer production technology, and in particular to a spray device and a cutting machine. Background Art
[0002] The cutting machine is a device that cuts hard and brittle material rods into thin slices. Taking silicon rods as an example, the silicon rods move from top to bottom and pass between two main rollers. The main rollers rotate, driving the cutting wire to move at high speed to cut the silicon rods into thin slices.
[0003] Spraying devices are provided on both sides of the silicon rod, which are used to spray cutting liquid on the cutting wire net during the cutting process, to cool the cutting wire net, and to wash away the silicon powder on the wire saw, which can be called cutting spray; or to spray the cutting wire net and the cut silicon rod after cutting, so as to facilitate the withdrawal of the cutting wire net from the cut silicon rod, which can be called retreat spray. In the prior art, the retreat spray of the cutting machine is usually realized by using a steel pipe with a row of nozzles installed, which is attached to the cutting spray and adopts the nozzle spraying method. Due to space limitations, the cutting liquid pipeline is far away from the retreat spray point, and the water spraying amount is limited by the position of the nozzle, and the spraying effect is weak, which makes it difficult for the cutting wire net to withdraw from the silicon wafer, thereby reducing the yield of the silicon wafer. Utility Model Content
[0004] In order to solve one of the above-mentioned technical defects, a spray device and a cutting machine are provided in the embodiment of the present application, which can make the retracting spray closer to the spray point in a limited cutting space, and at the same time can provide a large flow of water to achieve the impact separation effect on the silicon wafer.
[0005] According to a first aspect of an embodiment of the present application, a spray device is provided for spraying liquid on a cutting wire net when a cutting machine is cutting or retracting, comprising a first spray assembly, a second spray assembly and a flow guide, wherein the first spray assembly and the second spray assembly are stacked, and liquid inlets of the first spray assembly and the second spray assembly are both used to communicate with a liquid supply system of the cutting machine through a pipeline, and the flow guide is rotatably connected to the first spray assembly; liquid from the liquid supply system flows into the first spray assembly through the pipeline, and liquid in the first spray assembly flows out after the flow guide.
[0006] In the spray device as described above, the first spray component and the second spray component are arranged in parallel, and the first spray component is located above the second spray component.
[0007] In the spray device as described above, the first spray assembly includes a first spray pipe and a first cavity, the first spray pipe is connected to the first cavity, and the flow guide is rotatably connected to the first cavity; after the liquid enters the first cavity through the first spray pipe, it flows out through the flow guide;
[0008] Wherein, the guide member is arranged at an angle, one end of the guide member is connected to the first cavity, and the other end is used to face the cutting wire net.
[0009] In the spray device as described above, a liquid separator is provided in the first spray pipe, a first liquid outlet is provided at the bottom of the first spray pipe, and the liquid in the first spray pipe is separated by the liquid separator and then flows to the first cavity through the first liquid outlet;
[0010] Wherein, the liquid separation plate is located above the first liquid outlet hole, and the liquid separation plate is tiltedly arranged in the first spray pipe.
[0011] As described above, the spray device, a first partition and a second partition are provided in the first cavity, one of the first partition and the second partition is provided at the top of the first cavity and extends to the bottom of the first cavity, and the other is provided at the bottom of the first cavity and extends to the top of the first cavity; the first partition and the second partition are arranged alternately up and down; the liquid in the first cavity passes through the first partition and the second partition in sequence and then flows to the guide member; there is at least one first partition and at least one second partition.
[0012] As described above, in the spray device, the first cavity has a first guide portion, which is arranged at an angle and extends from the top of the first cavity to above the second partition; a first plate body is also provided on the outside of the first cavity, and the first plate body is connected and fixed to the first guide portion and presses the first guide portion.
[0013] The spray device as described above, wherein the first plate body comprises a first pressing portion and a second guiding portion, wherein the first pressing portion is attached to an outer wall of the first guiding portion, the second guiding portion is connected to the first pressing portion, and the second guiding portion extends downward from the first pressing portion;
[0014] The bottom wall of the first cavity and the bottom end of the second guide portion form a first outflow port; the first cavity and the first plate body together enclose a first liquid flow space.
[0015] As described above, the second spray assembly includes a second spray pipe and a second cavity, the second spray pipe is connected to the second cavity, a second liquid outlet is provided at the bottom of the second spray pipe, and the liquid in the second spray pipe flows to the second cavity through the second liquid outlet.
[0016] As described above, the spray device, a third partition and a fourth partition are provided in the second cavity; one of the third partition and the fourth partition is provided at the top of the second cavity and extends to the bottom of the second cavity, and the other is provided at the bottom of the second cavity and extends to the top of the second cavity; the third partition and the fourth partition are arranged alternately up and down; the liquid in the second cavity flows out after passing through the third partition and the fourth partition in sequence; there is at least one third partition and at least one fourth partition.
[0017] In the spray device as described above, there are two third partitions, the two third partitions are arranged at an interval, and the fourth partition is located between the two third partitions.
[0018] As described above, in the spraying device, the second cavity has a third guide portion, which is arranged at an angle and extends from the top of the second cavity to above the third partition; a second plate body is also provided on the outside of the second cavity, and the second plate body is connected and fixed to the third guide portion and presses the third guide portion.
[0019] The spray device as described above, wherein the second plate body comprises a second pressing portion and a fourth guide portion, wherein the second pressing portion is attached to the outer wall of the third guide portion, the fourth guide portion is connected to the second pressing portion, and the fourth guide portion extends downward from the second pressing portion;
[0020] The bottom wall of the second cavity and the bottom end of the fourth guide portion form a second outflow port; the second cavity and the second plate body together enclose a second liquid flow space.
[0021] According to a second aspect of an embodiment of the present application, a cutting machine is provided, comprising:
[0022] A spray device as described in any one of the above items;
[0023] and a main cutting roller, on which a cutting wire net is wound;
[0024] Wherein, the spray device is located above the cutting main roller. When cutting, the liquid flows from the second outlet to the cutting wire net on the cutting main roller; when retracting the knife, the liquid flows from the first outlet along the guide member to the cutting wire net entrance.
[0025] By using the spray device and cutting machine provided in the embodiment of the present application, when cutting, the liquid in the liquid supply system of the cutting machine flows through the second spray pipe through the pipeline, and finally flows to the cutting wire net along the second flow outlet, so that the cutting fluid achieves lubrication, cooling and cleaning effects; more specifically, the liquid flows into the second spray pipe, and flows from the second liquid outlet at the bottom of the second spray pipe to the two third partitions arranged at intervals, and the fourth partition arranged between the two third partitions, so that the liquid flows more smoothly, and finally flows to the cutting wire net along the second flow outlet, so that the cutting fluid achieves lubrication, cooling and cleaning effects while reducing the impact on the cutting wire net. When retracting the knife, the liquid flows through the first spray pipe, and finally is evenly guided to the wire net entry edge along the angled guide piece, flushing the silicon wafers on both sides of the cutting line, facilitating the withdrawal of the wire net. The spray device can realize the retracting spray closer to the spray point, and directly and evenly flows out after passing through the guide piece, which can provide a large flow of water, can better flush the silicon wafers on both sides of the cutting line, and facilitate the withdrawal of the wire net. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0027] Figure 1 Schematic diagram of the structure of the spray assembly in the embodiment of the present application.
[0028] Figure 2 It is a cross-sectional view of the spray assembly in the embodiment of the present application.
[0029] Figure 3 Schematic diagram of the structure of the spray assembly in the embodiment of the present application.
[0030] Figure 4 This is a schematic diagram of the structure of the spray assembly in the embodiment of the present application.
[0031] Reference numerals:
[0032] 1-first spray assembly; 11-first spray pipe; 111-liquid separation plate; 112-first liquid outlet; 12-first cavity; 121-first partition; 122-second partition; 123-first guide portion; 124-first plate; 1241-first pressing portion; 1242-second guide portion; 125-first flow outlet; 13-first liquid flow space;
[0033] 2-second spray assembly; 21-second spray pipe; 22-second cavity; 221-second liquid outlet; 222-third partition; 223-fourth partition; 224-third guide portion; 225-second plate; 2251-second pressing portion; 2252-fourth guide portion; 226-second flow outlet; 23-second liquid flow space;
[0034] 3- flow guide;
[0035] 4-support frame; 41-column; 42-adapter plate. DETAILED DESCRIPTION
[0036] In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0037] A spray device and a cutting machine are provided in the embodiment of the present application, which can realize that the knife retraction spray is closer to the spray point in a limited cutting space, and at the same time can provide a large flow of water to achieve the impact separation effect on the silicon wafer, avoid the interference between the silicon wafer and the cutting wire net when the cutting wire net is withdrawn from the silicon wafer, facilitate the withdrawal of the cutting wire net, and improve the silicon wafer yield.
[0038] like Figure 1-Figure 4 As shown, the spray device according to the embodiment of the present application is used to spray liquid on the cutting wire net when cutting or retracting. The cutting machine is connected to the liquid supply system through a pipeline, including a first spray component 1, a second spray component 2 and a guide 3. The liquid inlets of the first spray component 1 and the second spray component 2 are both used to communicate with the liquid supply system of the cutting machine. The first spray component 1 and the second spray component 2 are stacked, and the guide 3 is rotatably connected to the first spray component 1. The liquid in the liquid supply system flows into the first spray component 1 through the pipeline, and the liquid in the first spray component 1 flows out after the guide 3. It can be understood that the liquid is water or pure water.
[0039] Among them, the pipeline includes a retracting liquid inlet pipe and a cutting liquid inlet pipe. The first spray component 1 is connected to the retracting liquid inlet pipe. When retracting the knife, the liquid flows out from the first spray component 1 and flows to the cutting edge of the wire mesh; the second spray component 2 is connected to the cutting liquid inlet pipe. When cutting, the liquid flows out from the second spray component 2 and flows to the cutting wire mesh.
[0040] Specifically, the first spray assembly 1 and the second spray assembly 2 are arranged in parallel, and the first spray assembly 1 is located above the second spray assembly 2 .
[0041] Furthermore, the first spray assembly 1 includes a first spray pipe 11 and a first cavity 12, the first spray pipe 11 is connected to the first cavity 12, and the guide member 3 is rotatably connected to the first cavity 12; after the liquid enters the first cavity 12 through the first spray pipe 11, it flows out through the guide member 3; the guide member 3 is arranged at an angle, one end of the guide member 3 is connected to the first cavity 12 for guiding the liquid to flow out, and the other end faces the cutting wire mesh to guide the liquid to the cutting wire mesh.
[0042] The guide member 3 may be a guide plate or other components with a guide effect, which is not limited here. The guide member 3 may be connected to the first outlet 125 of the first cavity 12 through a fixing screw and a swing shaft, and the swing angle of the guide member 3 may be adjusted; or the guide member 3 may be fixed to the first outlet 125 of the first cavity 12 after the angle is set.
[0043] Furthermore, a liquid separator 111 is provided in the first spray pipe 11 for evenly distributing the liquid in the first spray pipe 11. A first liquid outlet 112 is provided at the bottom of the first spray pipe 11. The first liquid outlet 112 is connected to the first cavity 12. After the liquid in the first spray pipe 11 is separated by the liquid separator 111, it flows to the first cavity 12 through the first liquid outlet 112; the liquid separator 111 is located above the first liquid outlet 112, and the liquid separator 111 is inclined in the first spray pipe 11.
[0044] At least one first partition 121 and at least one second partition 122 are provided in the first cavity 12, one of the first partition 121 and the second partition 122 is provided at the top of the first cavity 12 and extends to the bottom of the first cavity 12, and the other is provided at the bottom of the first cavity 12 and extends to the top of the first cavity 12; the first partition 121 and the second partition 122 are alternately arranged up and down; the liquid in the first cavity 12 passes through the first partition 121 and the second partition 122 in sequence and then flows to the flow guide member 3.
[0045] When the first partition 121 is disposed at the top of the first cavity 12, there is a gap between the bottom end of the first partition 121 and the bottom wall of the first cavity 12 for liquid to flow; when the second partition 122 is disposed at the bottom of the first cavity 12, there is a gap between the top end of the second partition 122 and the top wall of the first cavity 12 for liquid to flow. The provision of the first partition 121 and the second partition 122 can make the liquid flow more smoothly in the first cavity 12 and reduce the liquid pressure.
[0046] Specifically, the first cavity 12 has a first guide portion 123, which is inclined and extends from the top of the first cavity 12 to above the second partition 122. There is a gap between the bottom end of the first guide portion 123 and the top of the second partition 122 for liquid flow; a first plate body 124 is also provided on the outside of the first cavity 12, and the first plate body 124 is connected and fixed to the first guide portion 123 and presses the first guide portion 123. The first plate body 124 and the first guide portion 123 are fastened and fixed by bolts.
[0047] The first plate 124 includes a first pressing portion 1241 and a second guide portion 1242. The first pressing portion 1241 is tilted and fits the outer wall of the first guide portion 123. The second guide portion 1242 is connected to the first pressing portion 1241. The second guide portion 1242 extends downward from the first pressing portion 1241. The bottom wall of the first cavity 12 and the bottom end of the second guide portion 1242 form a first flow outlet 125. The first cavity 12 and the first plate 124 together enclose a first liquid flow space 13. The flow direction of the liquid in the first cavity 12 is: after flowing out from the first liquid outlet 112 of the first spray pipe 11 into the first cavity 12, it passes through the first partition 121, the second partition 122 and the second guide portion 1242 in sequence, and then flows out from the first flow outlet 125 to the guide member 3. The liquid flows along the guide member 3 to the wire mesh.
[0048] Furthermore, the second spray assembly 2 includes a second spray pipe 21 and a second cavity 22. The second spray pipe 21 is connected to the second cavity 22. A second liquid outlet 221 is provided at the bottom of the second spray pipe 21. The second spray pipe 21 is connected to the second cavity 22. The liquid in the second spray pipe 21 flows to the second cavity 22 after being evenly distributed through the second liquid outlet 221.
[0049] At least one third partition plate 222 and at least one fourth partition plate 223 are provided in the second cavity 22; one of the third partition plate 222 and the fourth partition plate 223 is provided at the top of the second cavity 22 and extends to the bottom of the second cavity 22, and the other is provided at the bottom of the second cavity 22 and extends to the top of the second cavity 22, and the third partition plate 222 and the fourth partition plate 223 are arranged alternately up and down; the liquid in the second cavity 22 flows out after passing through the third partition plate 222 and the fourth partition plate 223 in turn, so that the liquid flows more smoothly.
[0050] When the third partition plate 222 is disposed at the bottom of the second cavity 22, a gap is provided between the top of the third partition plate 222 and the top wall of the second cavity 22 for liquid to flow; when the fourth partition plate 223 is disposed at the top of the second cavity 22, a gap is provided between the bottom end of the fourth partition plate 223 and the bottom wall of the second cavity 22 for liquid to flow.
[0051] Preferably, there are two third partitions 222, the two third partitions 222 are spaced apart, and the fourth partition 223 is located between the two third partitions 222. The liquid in the second cavity 22 flows to the second outflow port 226 after passing through the first third partition 222, the fourth partition 223, and the second third partition 222 in sequence.
[0052] Furthermore, the second cavity 22 has a third guide portion 224, which is inclined and extends from the top of the second cavity 22 to above the third partition plate 222. A gap is provided between the bottom end of the third guide portion 224 and above the third partition plate 222 for liquid flow. A second plate body 225 is also provided on the outside of the second cavity 22. The second plate body 225 is connected and fixed to the third guide portion 224 and presses the third guide portion 224. The second plate body 225 and the third guide portion 224 are fastened and fixed by bolts.
[0053] The second plate body 225 includes a second clamping portion 2251 and a fourth guide portion 2252. The second clamping portion 2251 is inclined and fits against the outer wall of the third guide portion 224. The fourth guide portion 2252 is connected to the second clamping portion 2251. The fourth guide portion 2252 extends downward from the second clamping portion 2251. The bottom wall of the second cavity 22 and the bottom end of the fourth guide portion 2252 form a second flow outlet 226. The second cavity 22 and the second plate 225 together enclose a second liquid flow space 23. The flow direction of the liquid in the second cavity 22 is: after flowing out from the second liquid outlet 221 of the second spray pipe 21 into the second cavity 22, it passes through the first third partition 222, the fourth partition 223, the second third partition 222 and the fourth guide part 2252 in sequence, and then flows from the second flow outlet 226 to the wire mesh; the liquid passes through the second liquid outlet 221 to distribute the liquid evenly, and then passes through the third partition 222 and the fourth partition 223 to make the liquid flow more smoothly.
[0054] By using the above-mentioned spraying device, four effects can be achieved during the silicon rod cutting process:
[0055] First, it can reduce the cutting temperature and prevent the silicon rod from thermally expanding due to excessive temperature during the cutting process, resulting in inconsistent silicon wafer thickness;
[0056] Second, it can play a lubricating role to prevent excessive friction between the cutting wire and the silicon rod, which may cause wire breakage;
[0057] Third, it can play a cleaning role, and the liquid flow process can take away a large amount of silicon powder;
[0058] Fourth, the above-mentioned spray device makes the knife retraction spray closer to the spray point, and flows out directly and evenly after passing through the guide piece, which can provide a large flow of water. In the knife retraction process after the cutting is completed, it can realize the impact separation effect on the silicon wafer, avoid the interference between the silicon wafer and the cutting wire net when the cutting wire net is withdrawn from the silicon wafer, facilitate the withdrawal of the cutting wire net, and improve the silicon wafer yield.
[0059] The present application also provides a cutting machine, comprising:
[0060] The above-mentioned spraying device;
[0061] and a cutting main roller, on which a cutting wire is wound;
[0062] Among them, the spray device is located above the cutting main roller. When cutting, the liquid flows from the second flow outlet 226 to the cutting wire net on the cutting main roller; when retracting the knife, the liquid flows from the first flow outlet 125 along the guide member 3 to the cutting wire net into the knife edge.
[0063] Optionally, support frames 4 are provided on both sides of the spray device, wherein a column 41 is provided on one side of the support frame 4, which is connected and fixed to a fixed seat of the cutting machine by adjusting the bracket, and a fitting part is provided on the adjusting bracket for fitting with the column 41, and the column 41 is clipped into the fitting part; the support frame 4 on the other side is connected and fixed to a fixed seat of the cutting machine through an adapter plate 42, and the support frame 4 and the adapter plate 42 are tightened and fixed by butterfly bolts.
[0064] By using the spray device and cutting machine provided in the embodiment of the present application, when cutting, the liquid flows from the cutting liquid inlet pipe into the second spray pipe 21, and flows from the second liquid outlet 221 at the bottom of the second spray pipe 21 to the two third partitions 222 arranged at intervals, and the fourth partition 223 arranged between the two third partitions 222, so that the liquid flows more smoothly, and finally flows along the second flow outlet 226 to the cutting wire net, so that the liquid can achieve lubrication, cooling and cleaning effects while reducing the impact on the cutting wire net; when retracting the knife, the liquid flows from the retracting liquid inlet pipe into the first spray pipe 11, is evenly distributed through the liquid separator 111, and then flows from the first liquid outlet 112 at the bottom of the second spray pipe 21 to the first partition 121 and the second partition 122, so that the liquid flows more smoothly, and finally flows along the angled guide member 3 to the wire net inlet. After being guided by the guide member, the liquid directly flows out evenly and forms a large flow of water, which flushes the silicon wafers on both sides of the cutting line to facilitate the withdrawal of the wire net. Its effects can be found in the technical effects of the spray device embodiment of the present application, and will not be described in detail.
[0065] Those skilled in the art will appreciate that the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application can adopt the form of complete hardware embodiments, complete software embodiments, or embodiments in combination with software and hardware. Moreover, the present application can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code. The scheme in the embodiments of the present application can be implemented in various computer languages, for example, C language, VHDL language, Verilog language, object-oriented programming language Java and literal scripting language JavaScript, etc.
[0066] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.
[0067] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.
[0068] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process in the computer or other programmable device. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.
[0069] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0070] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0071] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0072] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.
[0073] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.
Claims
1. A spraying device for spraying liquid on a cutting wire web when a cutting machine is cutting or retracting the blade, characterized in that: It includes a first spray component, a second spray component and a guide member, the first spray component and the second spray component are stacked, the liquid inlets of the first spray component and the second spray component are both used to communicate with the liquid supply system of the cutting machine through a pipeline, and the guide member is rotatably connected to the first spray component; the liquid of the liquid supply system flows into the first spray component through the pipeline, and the liquid in the first spray component flows out after the guide member.
2. The spray device according to claim 1, characterized in that: The first spray assembly and the second spray assembly are arranged in parallel, and the first spray assembly is located above the second spray assembly.
3. The spray device according to claim 1 or 2, characterized in that: The first spray assembly includes a first spray pipe and a first cavity, the first spray pipe is connected to the first cavity, and the flow guide is rotatably connected to the first cavity; after the liquid enters the first cavity through the first spray pipe, it flows out through the flow guide; Wherein, the guide member is arranged at an angle, one end of the guide member is connected to the first cavity, and the other end is used to face the cutting wire net.
4. The spray device according to claim 3, characterized in that: A liquid separator is provided in the first spray pipe, and a first liquid outlet is provided at the bottom of the first spray pipe. After the liquid in the first spray pipe is separated by the liquid separator, it flows to the first cavity through the first liquid outlet; Wherein, the liquid separation plate is located above the first liquid outlet hole, and the liquid separation plate is tiltedly arranged in the first spray pipe.
5. The spray device according to claim 4, characterized in that: A first partition and a second partition are provided in the first cavity, one of the first partition and the second partition is provided at the top of the first cavity and extends to the bottom of the first cavity, and the other is provided at the bottom of the first cavity and extends to the top of the first cavity; the first partition and the second partition are arranged alternately up and down; the liquid in the first cavity passes through the first partition and the second partition in sequence and then flows to the guide member.
6. The spray device according to claim 5, characterized in that: The first cavity has a first guide portion, which is inclined and extends from the top of the first cavity to above the second partition. A first plate is also provided outside the first cavity, which is connected and fixed to the first guide portion and presses the first guide portion.
7. The spray device according to claim 6, characterized in that: The first plate body includes a first pressing portion and a second guiding portion, the first pressing portion is attached to the outer wall of the first guiding portion, the second guiding portion is connected to the first pressing portion, and the second guiding portion extends downward from the first pressing portion; The bottom wall of the first cavity and the bottom end of the second guide portion form a first outflow port; the first cavity and the first plate body together enclose a first liquid flow space.
8. The spray device according to any one of claims 1 to 7, characterized in that: The second spray assembly includes a second spray pipe and a second cavity. The second spray pipe is connected to the second cavity. A second liquid outlet is provided at the bottom of the second spray pipe. Liquid in the second spray pipe flows to the second cavity through the second liquid outlet.
9. The spray device according to claim 8, characterized in that: A third partition and a fourth partition are provided in the second cavity; one of the third partition and the fourth partition is provided at the top of the second cavity and extends to the bottom of the second cavity, and the other is provided at the bottom of the second cavity and extends to the top of the second cavity; the third partition and the fourth partition are arranged alternately up and down; the liquid in the second cavity flows out after passing through the third partition and the fourth partition in sequence.
10. The spray device according to claim 9, characterized in that: There are two third partitions, the two third partitions are arranged at an interval, and the fourth partition is located between the two third partitions.
11. The spray device according to claim 10, characterized in that: The second cavity has a third guide portion, which is inclined and extends from the top of the second cavity to above the third partition. A second plate is also provided outside the second cavity, which is connected and fixed to the third guide portion and presses the third guide portion.
12. The spray device according to claim 11, characterized in that: The second plate body includes a second pressing portion and a fourth guide portion, the second pressing portion is attached to the outer wall of the third guide portion, the fourth guide portion is connected to the second pressing portion, and the fourth guide portion extends downward from the second pressing portion; The bottom wall of the second cavity and the bottom end of the fourth guide portion form a second outflow port; the second cavity and the second plate body together enclose a second liquid flow space.
13. A cutting machine, characterized in that: include: The spray device according to any one of claims 1 to 12; and a main cutting roller, on which a cutting wire net is wound; Wherein, the spray device is located above the main cutting roller, and when cutting is performed, the liquid flows from the second outflow port to the cutting wire net on the main cutting roller; When the knife is retracted, the liquid flows from the first outlet along the guide member to the cutting line and enters the knife edge.