Spray pipe assembly and slicing machine cutting chamber

Abstract

The utility model provides a spray pipe assembly and a slicing machine cutting chamber. The spray pipe assembly comprises a spray pipe, the spray pipe is communicated with a plurality of first spray nozzles and a plurality of second spray nozzles, the first spray nozzles are arranged from one end to the other end of a spray pipe body and face the outer surface of an organ cover of a feeding table in a cutting chamber in the slicing machine, and the second spray nozzles face the side face of the organ cover. According to the slicing machine cutting chamber, a spraying pipe assembly is installed in the cutting chamber and is arranged close to an organ cover of a feeding table in the cutting chamber. According to the spray pipe assembly and the slicing machine cutting chamber, the cleaning effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cleaning equipment, in particular to a spray pipe assembly and a slicing machine cutting chamber. BACKGROUND

[0002] The slicing machine is a very key device in the single crystal and polycrystalline silicon slicing process, which is used to cut the silicon ingot into thin slices (i.e. silicon wafers), and the silicon wafers will be processed into solar cells. In the photovoltaic slicing process, the cleanliness of the cutting chamber in the slicing machine is crucial to the slicing quality. Incomplete cleaning will cause problems such as wire jumping and wire breaking during slicing, thereby affecting the product quality.

[0003] At present, the cleaning of the existing cutting chamber is mainly completed by manual spray during the interval of the tool change of the slicing machine, which has a large dependence on people.

[0004] However, the existing method has the problem of poor cleaning effect when cleaning the cutting chamber. CONTENT OF THE INVENTION

[0005] The present application provides a spray pipe assembly and a slicing machine cutting chamber to solve the problem of poor cleaning effect of the existing method when cleaning the cutting chamber.

[0006] In a first aspect, the present application provides a spray pipe assembly, which comprises a spray pipe, and the spray pipe is communicated with a first nozzle and a second nozzle, wherein the first nozzle is arranged and disposed with a plurality of first nozzles from one end to the other end of the spray pipe body, and is arranged towards the outer surface of the organ case of the feeding table in the cutting chamber of the slicing machine, and the second nozzle is arranged towards the side surface of the organ case.

[0007] In a possible implementation, the first nozzle is a wide-angle fan-shaped nozzle, and the spray surface of each first nozzle is arranged obliquely relative to the vertical plane.

[0008] In a possible implementation, the second nozzle is connected to the spray pipe through a connecting pipe, and the connecting pipe and the spray pipe are movably connected.

[0009] In a possible implementation, the second nozzle is a solid cone nozzle.

[0010] In a possible implementation, the spray pipe is further provided with a third nozzle, and the third nozzle has a plurality of third nozzles, wherein at least one third nozzle is arranged towards the spindle box at both ends of the main shaft in the cutting chamber, and at least one third nozzle is arranged towards the ceiling in the cutting chamber.

[0011] In a possible implementation, the third nozzle is a rotary nozzle.

[0012] In a possible implementation, the spray pipe is further provided with a water inlet quick release connector, and the water inlet quick release connector is connected with an external water source.

[0013] In a second aspect, the application provides a cutting chamber of a microtome, wherein a spray pipe assembly is installed in the cutting chamber, and the spray pipe assembly is arranged close to the organ case of the feeding table in the cutting chamber.

[0014] In a possible implementation, the spray pipe assembly comprises two or more spray pipes, and the spray pipes are arranged around the organ case of the feeding table in the cutting chamber.

[0015] In a possible implementation, the spray pipe is fixed to the inner wall of the cutting chamber through a mounting flange.

[0016] The spray pipe assembly and the cutting chamber of the microtome provided by the embodiments of the application can clean the crease part of the organ case of the feeding table in the cutting chamber by installing the spray pipe assembly in the cutting chamber and arranging the first nozzle and the second nozzle on the spray pipe assembly to face the outer surface of the organ case of the feeding table in the cutting chamber, thereby improving the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.

[0018] Figure 1 FIG. 1 is a structural schematic diagram of a spray pipe assembly provided by an embodiment of the application;

[0019] Figure 2 FIG. 2 is a structural schematic diagram of a cutting chamber of a microtome provided by an embodiment of the application.

[0020] Legend of reference signs:

[0021] 100-spray pipe; 110-first nozzle; 120-second nozzle; 121-connection pipe; 130-third nozzle; 140-water inlet quick release connector; 150-mounting flange;

[0022] 200-cutting chamber; 210-organ case; 220-main shaft box.

[0023] The above drawings have shown the specific embodiments of the application, and the following will have a more detailed description. The drawings and the written description are not intended to limit the scope of the concept of the application by any means, but to illustrate the concept of the application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0024] The exemplary embodiments will be described in detail herein with reference to the accompanying drawings. In the following description, like reference numerals refer to like elements throughout the description. The following exemplary embodiments described herein represent illustrations only of the devices and methods consistent with the present application as detailed in the claims. They are not intended to represent that the present application in its broadest form is to be limited to any of these illustrative embodiments.

[0025] First, the terms related to the present application are explained:

[0026] A slicer can refer to a precision device specifically used to cut single crystal or polycrystalline silicon ingots into thin slices (silicon wafers), widely used in the photovoltaic and semiconductor industries. It forms an accurate cutting seam on the silicon ingot by a high-speed moving diamond wire saw, ensuring high quality and high efficiency of slicing. The slicer usually includes a cutting chamber, a diamond wire saw, a tension control system, a cooling system and an automatic control system to realize a stable and reliable cutting process.

[0027] The cleanliness of the cutting chamber is crucial to the quality of slicing, so the slicer needs to be cleaned regularly to ensure the cleanliness of the cutting chamber and reduce the problems of unstable wire jumping and wire breaking during the cutting process caused by the attachment of residual cutting fluid, silicon powder and other impurities on the diamond wire saw or deposition in the cutting chamber due to the unclean cutting chamber.

[0028] In the prior art, due to the unevenness of the cutting chamber in each part, it is difficult to thoroughly clean the entire cutting chamber in a short time, especially the folded parts of the top and feed table organ cover. The cutting chamber protection door is usually not opened during the tool withdrawal gap, so these parts cannot be cleaned basically. In order to clean these parts, the feed table needs to be moved down to the lowest position after the tool is withdrawn, and then slowly returned, and the person needs to clean each fold with a shower. Since the feed table organ cover has four sides, the overall cleaning time is relatively long. In addition, manual cleaning is highly dependent on individuals, and the cleaning effect is difficult to quantify. Manual cleaning takes a long time, resulting in a large amount of pure water consumption, and is not conducive to the implementation of overall automation and unmanned of slicing.

[0029] The spray pipe assembly and the cutting chamber of the slicer provided by the embodiments of the present application can be provided with a first spray nozzle facing the outer surface of the organ cover of the feed table in the cutting chamber and a second spray nozzle facing the side surface of the organ cover, so that when the spray pipe assembly is used for cleaning, the four surfaces of the feed table organ cover can be thoroughly cleaned by spraying, thereby improving the cleaning effect, avoiding the problem of equipment damage caused by bumping during manual cleaning due to the limited space in the cutting chamber, and avoiding the limitation that cleaning can only be performed after the tool is withdrawn.

[0030] Figure 1 A schematic structural diagram of a spray pipe assembly is provided for the embodiments of the present application, as shown in the figure, the spray pipe assembly comprises: a spray pipe 100, the spray pipe 100 is communicated with a first nozzle 110 and a second nozzle 120, wherein the first nozzle 110 is arranged and disposed from one end to the other end of the spray pipe 100 body, and is arranged towards the outer surface of the organ case of the feeding table in the cutting chamber of the slicing machine, and the second nozzle 120 is arranged towards the side surface of the organ case. Figure 1

[0031] The spray pipe 100 can be the main body of the spray pipe 100 assembly, and the spray pipe 100 can be a tubular structure arranged in any shape according to the needs of the use environment. In order to ensure that the spray pipe 100 can effectively avoid the influence of water stains and other pollutants during cleaning, and at the same time ensure the corrosion resistance and durability during long-term use, the material of the spray pipe 100 can be selected from stainless steel, polytetrafluoroethylene (PTFE), polyether ether ketone (PEEK), nylon, copper alloy and the like.

[0032] The first nozzle 110 can refer to a nozzle for spraying and cleaning the outer surface of the organ case of the feeding table in the cutting chamber of the slicing machine, wherein the outer surface of the organ case can refer to the front and / or back of the organ case. In order to improve the cleaning effect, multiple first nozzles 110 can be arranged, and multiple first nozzles 110 can be arranged in any manner, such as sequentially arranged from one end to the other end of the spray pipe 100 body.

[0033] The second nozzle 120 can refer to a nozzle for spraying and cleaning the side surface of the organ case of the feeding table in the cutting chamber of the slicing machine.

[0034] Therefore, by installing the spray pipe 100 assembly in the cutting chamber, and arranging the first nozzle 110 towards the outer surface of the organ case of the feeding table in the cutting chamber of the slicing machine and the second nozzle 120 towards the side surface of the organ case on the spray pipe 100 assembly, the spray pipe 100 on the spray pipe 100 assembly can be used to clean the wrinkled part of the organ case of the feeding table in the cutting chamber, thereby improving the cleaning effect.

[0035] ​In the embodiment of the present application, the first nozzle 110 can be a wide-angle fan-shaped nozzle. The wide-angle fan-shaped nozzle has the characteristics of wide-angle spraying, uniform distribution, adjustable angle, and high-pressure application. That is, the wide-angle fan-shaped nozzle can produce a fan-shaped water curtain during use, covering a large area and effectively cleaning large surfaces. At the same time, the uniform distribution of the water flow sprayed by the wide-angle fan-shaped nozzle can also ensure that every corner is thoroughly cleaned. In addition, the angle of the wide-angle fan-shaped nozzle can be adjusted to adapt to different cleaning needs and space limitations. Therefore, the use of the wide-angle fan-shaped nozzle in the embodiment of the present application can effectively improve the cleaning efficiency and coverage, especially when dealing with uneven surfaces. By setting different angles and positions, the cleaning efficiency of the creased parts of the feed organ case can be improved.

[0036] In the embodiment of the present application, in order to improve cleaning coverage, enhance cleaning effect, reduce water stains and residues, and optimize water flow path, the spray surface of each first nozzle 110 can be inclined relative to the vertical plane. For example, the spray surface of the first nozzle 110 can be inclined by 5 degrees relative to the vertical plane.

[0037] In this way, the water curtain sprayed by the nozzle can form a larger contact area with the surface of the cutting chamber. Especially for uneven surfaces, it can better cover every corner. At the same time, the inclined spray angle can reduce the cleaning dead angle and ensure that the water flow can reach areas that are difficult to reach by vertical spraying, such as the creased parts of the feed organ case.

[0038] In addition, the inclined setting can also make the water flow produce a greater lateral impact force when hitting the surface, which helps to remove stubborn stains and residues. Through the multi-angle cleaning effect formed, it can ensure that the surface is cleaned in all directions. It can also help the water flow flow faster along the surface, reduce the formation of water stains and residues, and make the cutting chamber easier to dry after cleaning. The inclined spray angle can make the water flow more evenly distributed on the surface, avoiding local over-wetting or uneven drying. The water flow sprayed vertically can easily bounce off when hitting the surface, forming splashes, making the water flow more concentrated on the target surface, and making the water flow stay on the surface for a longer time, thereby improving the cleaning effect.

[0039] In the embodiment of the present application, in order to facilitate the use of the second nozzle 120, the second nozzle 120 can be connected to the spray pipe 100 through the connecting pipe 121, and the connecting pipe 121 and the spray pipe 100 are movably connected. Therefore, when using the second nozzle 120 to spray, the position can be adjusted as needed to better spray and clean the side surface of the feed organ case.

[0040] In some embodiments, the connection pipe 121 is connected to the spray pipe 100 through a flexible hose. When the material of the flexible hose is a low-strength plastic hose, in order to protect the flexible hose from being affected by cutting debris, a protective sleeve can be sleeved on the flexible hose. One end of the protective sleeve is fixedly sleeved on the nozzle of the spray pipe 100, and the other end is sleeved on the connection pipe 121 close to the position of the flexible hose. In some embodiments, a moving space is left between the protective sleeve and the flexible hose. The inner sleeve wall of one end of the protective sleeve is provided with a first clamping block, and the outer wall of the nozzle can be provided with a first clamping buckle corresponding to the first clamping block. The inner sleeve wall of the other end of the protective sleeve is provided with a second clamping block, and the outer wall of the nozzle can be provided with a second clamping buckle corresponding to the second clamping block. Therefore, no matter how the flexible hose stretches, bends and moves, the protective sleeve can be stably sleeved on the flexible hose.

[0041] In the embodiments of the present application, the second nozzle 120 can be a solid cone nozzle. The solid cone nozzle has the characteristics of solid cone spraying, multi-angle spraying, high pressure applicability and adjustable flow. That is, the solid cone nozzle can produce a solid cone-shaped water column with a wide coverage area and uniform water distribution. It can also produce different angle sprays, suitable for surfaces of different shapes and sizes. At the same time, it can work under high pressure to provide stronger impact force, which helps to remove stubborn stains. In addition, the flow of the solid cone nozzle can be adjusted to meet different cleaning needs. Therefore, using the solid cone nozzle can effectively improve the cleaning efficiency and coverage when dealing with complex and irregular surfaces.

[0042] In the embodiments of the present application, in order to further improve the cleaning effect in the cutting chamber, the spray pipe 100 is also provided with a third nozzle 130. There are multiple third nozzles 130, at least one of which is arranged towards the spindle box at both ends of the spindle in the cutting chamber, and at least one of which is arranged towards the ceiling in the cutting chamber.

[0043] Therefore, in combination with the first nozzle 110, the second nozzle 120 and the third nozzle 130, the corners and positions in the cutting chamber can be cleaned.

[0044] In the embodiments of the present application, the third nozzle 130 can be a rotating nozzle. Therefore, when the third nozzle 130 is used to clean the spindle box, since the spindle box is a key component of the slicing machine, its cleanliness directly affects the precision and stability of slicing. Therefore, the rotating nozzle can continuously change the spraying direction to ensure that every corner inside and around the spindle box is fully cleaned. When cleaning the ceiling, the entire surface of the ceiling can also be covered to ensure that there is no missed area.

[0045] Further, the spindle box and the ceiling usually have a complex structure, and it is difficult for traditional manual cleaning to completely cover these areas. The rotating nozzle can ensure that every corner of these complex structures is thoroughly cleaned by constantly changing the spray angle, reducing cleaning dead angles. At the same time, the multi-angle spray of the rotating nozzle can quickly cover a large area, greatly shortening the cleaning time, improving the cleaning efficiency, and reducing the dependence on manual labor, reducing labor intensity and the influence of human factors, and ensuring the consistency of the cleaning effect. In addition, the rotating nozzle can reduce the rebound of the water flow, making the water flow more concentrated on the target surface, prolonging the cleaning time, and reducing the formation and residue of water stains, making the cutting chamber easier to dry after cleaning.

[0046] In the embodiments of the present application, the spray pipe 100 is also provided with a water inlet quick release joint 140, which is used to connect with an external water source, so that each nozzle on the spray pipe 100 can spray and flush the cutting chamber.

[0047] In the embodiments of the present application, as shown in Figure 1 The first nozzle 110 on the spray pipe 100 can be provided with 5, the second nozzle 120 is provided with 1, and is provided outside the spray pipe 100 through the connecting pipe 121, the third nozzle 130 can be provided with 4, and two of them are provided towards the ceiling, and the other two are provided towards the spindle box, that is, the spray direction of two third nozzles 130 provided towards the ceiling is higher than that of the first nozzle 110, and the spray direction of the first nozzle 110 is higher than that of the other two third nozzles 130 provided towards the spindle box. In this way, when the two third nozzles 130 provided towards the ceiling are used, even if the dust and residues on the ceiling fall, the influence of the falling objects can be reduced by the second nozzle 120 and the two third nozzles 130 provided towards the spindle box, so as to ensure that the quality of slicing is not affected during slicing.

[0048] In the embodiments of the present application, the two third nozzles 130 provided towards the ceiling can be correspondingly provided with the two outermost first nozzles 110, and the two third nozzles 130 provided towards the spindle box can be symmetrically provided outside the two third nozzles 130 provided towards the ceiling, thereby realizing full coverage of the cleaning of the ceiling and the spindle box, and ensuring the cleaning effect of the complex structure, so that the water flow is more uniformly distributed, thereby reducing the dead angle and improving the cleaning efficiency.

[0049] In use, the first nozzle 110 in the embodiments of the present application flushes the outer surface of the organ case of the feeding table when the feeding table moves up and down, wherein the wide-angle fan-shaped nozzle line area is the shape of the spray surface, which is generally installed at an angle of 5°, and different numbers are set according to the size of the sprayed area, so as to realize complete coverage of the organ case of the feeding table.

[0050] The second nozzle 120 in the embodiment of the present application can be a small-angle spray, such as a 35-degree solid cone nozzle, which mainly washes the side surface of the feeding table.

[0051] The third nozzle 130 in the embodiment of the present application is used to rotate the rotating nozzle by water pressure and wash the main shaft box at both ends of the main shaft. The other two rotating nozzles wash the ceiling of the cutting chamber. When the rotating nozzle washes, the shape of the cross section can be a 360° spherical surface, so that any surface in the effective area can be completely covered by washing.

[0052] The wide-angle fan nozzle in the spray assembly on both sides and the solid cone nozzle at both ends can completely cover the four surfaces of the feeding table for cleaning; the rotating nozzle can clean the top of the cutting chamber and the main shaft box, thereby realizing three-dimensional cleaning of the entire cutting chamber without dead angle.

[0053] Figure 2 The structure diagram of the cutting chamber of the slicing machine provided in the embodiment of the present application is shown in FIG. 1. Figure 2 As shown in FIG. 1, the cutting chamber 200 is provided with a spray pipe assembly, an organ case 210 and a main shaft box 220. The organ case 210 is located above the main shaft box 220, and the spray pipe assembly is arranged close to the organ case 210 of the feeding table.

[0054] In the embodiment of the present application, the spray pipe 100 in the spray pipe assembly can be two or more, and is arranged around the organ case 210 of the feeding table in the cutting chamber 200. For example,

[0055] When the spray pipe 100 in the spray pipe assembly is two, the first nozzle on one spray pipe 100 can be arranged opposite to the first side surface of the organ case 210, and the second nozzle 120 can be arranged opposite to the second side surface adjacent to the first side surface of the organ case 210. The first nozzle on the other spray pipe 100 can be arranged opposite to the third side surface of the organ case 210, and the second nozzle 120 can be arranged opposite to the fourth side surface adjacent to the first side surface of the organ case 210. Thus, the organ case 210 can be cleaned.

[0056] When the spray pipes 100 in the spray pipe assembly are three, the first spray pipe 100 can be arranged opposite to the first side of the organ case 210, the second spray pipe 120 can be arranged opposite to the second side of the organ case 210 through the connecting pipe 121, the first spray pipe 100 of the second spray pipe 100 can be arranged opposite to the third side of the organ case 210, the second spray pipe 120 can be arranged opposite to the second side of the organ case 210 through the connecting pipe 121, and the first spray pipe 100 of the third spray pipe 100 can be arranged opposite to the fourth side of the organ case 210, and the second spray pipe 120 can be arranged opposite to the second side of the organ case 210 through the connecting pipe 121.

[0057] When the spray pipes 100 in the spray pipe assembly are four, the first spray pipe 100 and the second spray pipe 100 can be arranged opposite to the first side of the organ case 210, the second spray pipe 120 can be arranged opposite to the second side of the organ case 210 through the connecting pipe 121, the first spray pipe 100 of the third spray pipe 100 and the fourth spray pipe 100 can be arranged opposite to the third side of the organ case 210, and the second spray pipe 120 can be arranged opposite to the fourth side of the organ case 210 through the connecting pipe 121.

[0058] In the embodiment of the present application, the spray pipe 100 is fixed to the inner wall of the cutting chamber 200 through the mounting flange 150. Thus, the spray pipe 100 can be arranged at any position as needed, thereby avoiding affecting the use of the slicing process.

[0059] In the embodiment of the present application, when one end of the spray pipe 100 is fixed to the inner wall of the cutting chamber 200 through the mounting flange 150, the other end of the spray pipe 100 can be mounted with a spray pipe plug or other spray pipes. Thus, by integrating different spray pipes, the full coverage of cleaning each corner inside the cutting chamber 200 is realized.

[0060] The working principle of the slicing machine cutting chamber 200 in the embodiments of the present application can be as follows: a set of pipeline booster pumps are arranged at the water inlet of the slicing machine, the water pressure of the spray water supply is increased through the booster pumps, and the water supply should meet the flow and pressure requirements of the spray nozzles. The spray assemblies are respectively installed on the two sides of the cutting chamber 200, and different parts of the cutting chamber 200 are cleaned through different spray nozzles. After the tool withdrawal program is started, the automatic machine cleaning function is started when the silicon rod leaves the wire net, and four groups of rotating spray nozzles on one side clean the top of the cutting chamber 200 and the shaft box respectively. The rotating spray nozzles are driven to rotate by high-pressure water, and 360-degree spherical coverage can be achieved, so that the silicon mud and impurities accumulated on the surface of the top of the cutting chamber 200 and the surface of the main shaft box 220 are washed. The wide-angle fan-shaped spray nozzles clean the surface of the feed table organ case 210 (part of the machine table is a helmet shield), the fan-shaped spray nozzles are installed at an inclination of 5 degrees, and the overall sprayed is a seamless water curtain, and the wrinkles can be fully cleaned as the feed table slowly retracts. The solid cone spray nozzles mainly clean the side surface of the organ case 210, and one or two spray nozzles can be arranged due to the small area of the side surface.

[0061] Therefore, through the above different functions of the spray nozzles, full coverage cleaning of different parts is realized, and manual cleaning of the cutting chamber 200 can be completely replaced.

[0062] In some embodiments, the spray pipe 100 can also be arranged in a whole rotatable manner, corresponding spray nozzles are installed on the spray pipe 100, and full coverage of the cutting chamber 200 is realized by rotating the whole spray pipe 100.

[0063] In some embodiments, the spray pipe 100 can be erected at any position in the cutting chamber 200, such as the top of the side door and the observation window, the ceiling of the cutting chamber 200, and full coverage of the cutting chamber can be realized through the intervention of high-pressure water and the action of different specifications of spray nozzles.

[0064] In some embodiments, low-pressure water plus high-pressure compressed air and the action of two-fluid spray nozzles can be introduced to realize the effect of full coverage and efficient cleaning of the cutting chamber 200. When the spray pipe 100 is erected on the top of the cutting chamber 200, a waterfall washing mode can also be used, that is, a flat nozzle spray nozzle arranged in a line is used to wash down a large amount of water, which can also achieve the purpose of automatic cleaning of the cutting chamber. When in use, a water supply pipeline can be arranged on the inner wall of the ceiling of the cutting chamber 200, different spray nozzles are installed on the ceiling of the cutting chamber 200 through the spray pipe 100, and different functions of the spray nozzles (such as rotating spray nozzles and wide-angle spray nozzles) can also realize the function of automatic cleaning of the cutting chamber.

[0065] In summary, the spray pipe assembly and the slicing machine cutting chamber provided by the embodiments of the present application can effectively solve the following problems:

[0066] 1. Because of the unevenness of the cutting chamber, it is difficult to clean thoroughly in a short time, especially the top and the accordion cover of the feeding table. The cutting chamber protection door is usually not opened when the tool is withdrawn, so these parts are basically not cleaned. In order to clean these parts, the feeding table needs to be lowered to the lowest position after the tool is withdrawn, and then slowly returned, and then cleaned one by one by the artificial with the shower. Because the accordion cover of the feeding table has four sides, it takes a long time to clean the whole thing at a time;

[0067] 2. More dependent on manual work. Because of the difference in sensory and habits of each person, it is difficult to quantify whether it is clean or not;

[0068] 3. The manual cleaning time is relatively long, and the consumption of pure water is relatively large;

[0069] 4. Not conducive to the implementation of the whole automatic and unmanned slicing.

[0070] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the application being indicated by the following claims.

[0071] It should be understood that the application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The scope of the application is limited only by the appended claims.

Claims

1. A nozzle assembly, characterized by, The spray pipe assembly comprises a spray pipe, and a first nozzle and a second nozzle are communicated on the spray pipe, wherein the first nozzles are arranged from one end to the other end of the spray pipe body and are arranged towards the outer surface of the organ case of the feeding table in the cutting chamber of the slicing machine, and the second nozzle is arranged towards the side of the organ case.

2. The nozzle assembly of claim 1, wherein, The first nozzle is a wide-angle fan-shaped nozzle, and the spray surface of each first nozzle is arranged obliquely relative to the vertical plane.

3. The nozzle assembly of claim 1, wherein, The second nozzle is connected to the spray pipe through a connecting pipe, and the connecting pipe and the spray pipe are movably connected.

4. The nozzle assembly of claim 3, wherein, The second nozzle is a solid cone nozzle.

5. The nozzle assembly of claim 1, wherein, The spray pipe is further provided with a third nozzle, and the third nozzle has a plurality of nozzles, wherein at least one third nozzle is arranged towards the spindle box at both ends of the main shaft in the cutting chamber, and at least one third nozzle is arranged towards the ceiling in the cutting chamber.

6. The nozzle assembly of claim 5, wherein, The third nozzle is a rotary nozzle.

7. The nozzle assembly of claim 1, wherein The spray pipe is further provided with a water inlet quick release connector connected with an external water source.

8. A microtome cutting chamber, characterized by, The cutting chamber is provided with the spray pipe assembly of any one of claims 1-7, and the spray pipe assembly is arranged close to the organ case of the feeding table in the cutting chamber.

9. The microtome cutting chamber of claim 8, wherein, The spray pipe assembly has two or more spray pipes, and the spray pipes are arranged around the organ case of the feeding table in the cutting chamber.

10. The microtome cutting chamber of claim 8, wherein, The spray pipe is fixed to the inner wall of the cutting chamber through a mounting flange.

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