Batch dipping frame and dipping equipment for ceramic-based composite material

By designing a multi-stage impregnation rack and an automated lifting and stirring system, the problems of low automation and uneven impregnation in existing impregnation equipment have been solved, enabling mass production of ceramic matrix composites and adapting to the efficient development of the aerospace industry.

CN223719770UActive Publication Date: 2025-12-26CHENGDU CHENGWEI PRECISION MASCH MFG CO LTD
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Patent Information

Application Number
CN202520245751.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-26
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing impregnation equipment cannot automatically lift and lower, making it inconvenient to load and unload materials, resulting in weak batch processing capabilities, rough temperature and viscosity control, large errors in manual batching, and inefficient stirring. This leads to uneven impregnation of ceramic matrix composite materials, making it difficult to meet the large-scale production needs of the aerospace industry.

Method used

A batch impregnation rack for ceramic matrix composites was designed, including a multi-impregnation station impregnation rack body and a lifting mechanism. Combined with a stirring mechanism and a feeding pipe, it achieves automated control. A nano-ceramic coating is used to reduce friction and improve the automation level of the equipment.

Benefits of technology

It enables mass impregnation of ceramic matrix composites, preventing material slippage, ensuring impregnation uniformity and automation, reducing labor costs, and adapting to the large-scale production of the aerospace industry.

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Abstract

The utility model discloses a batch dipping frame and dipping equipment for ceramic-based composite materials, relates to the technical field of ceramic-based composite materials, and can solve the problem that batch dipping processing of the ceramic-based composite materials is difficult at present. The batch impregnation frame for the ceramic-based composite materials comprises an impregnation frame body, the impregnation frame body comprises a cubic outer frame, two first inclined supporting rods arranged on the two opposite sides of the outer frame, and two separation frames fixed in the outer frame through the outer frame and the first inclined supporting rods; the two first inclined supporting rods are arranged in parallel; the two separation frames are arranged in the length direction of the first inclined supporting rod in a spaced mode, and the bottoms of the two separation frames are fixed to the first inclined supporting rod. The limiting frame is used for preventing the ceramic-based composite plate from sliding out, and the limiting frame is located in the outer frame and is arranged close to the lower side of the first inclined supporting rod; a plurality of dipping stations are formed by the limiting frames, the separating frames and the first inclined supporting rods which are positioned in the outer frame.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic matrix composite material technical field, concretely relates to a kind of batch impregnation frame and impregnation equipment of ceramic matrix composite material. BACKGROUND

[0002] The rapid development of aircraft poses unprecedented challenges to material properties. Ceramic matrix composites stand out with their excellent high-temperature resistance, low density and high strength characteristics, becoming the focus of material selection for critical parts. However, the current impregnation equipment has obvious shortcomings: most cannot automatically lift, making it inconvenient to load and unload materials, and labor costs are high; batch processing capacity is weak, making it difficult to meet the needs of the aviation industry's large-scale production; temperature and viscosity control is rough, leading to uneven impregnation and fluctuations in material properties; ingredients are manually prepared, resulting in large errors; stirring is inefficient and time-consuming. These problems seriously hinder the widespread application of ceramic matrix composites and the efficient development of the aviation industry.

[0003] Based on the above background, the inventors have designed a batch impregnation frame and impregnation equipment for ceramic matrix composites, which solves at least one of the above problems, thus the present application is proposed. SUMMARY

[0004] The purpose of the present application is to provide a batch impregnation frame and impregnation equipment for ceramic matrix composites. It solves the problem of difficulty in batch impregnation processing of ceramic matrix composites in the prior art.

[0005] To solve the above technical problems, the utility model adopts the following scheme:

[0006] On the one hand, the present application provides a batch impregnation frame for ceramic matrix composites, which comprises an impregnation frame main body, the impregnation frame main body comprises an outer frame in the shape of a cube, at least two first inclined support rods arranged on opposite sides of the outer frame, and at least two partition frames fixed to the inside of the outer frame through the outer frame and the first inclined support rods;

[0007] The two first inclined support rods are arranged parallel to each other;

[0008] The two partition frames are arranged in the length direction of the first inclined support rods, and the bottom of each partition frame is fixed to the first inclined support rod;

[0009] It also includes a limiting frame for blocking the sliding out of the ceramic matrix composite plate, which is located inside the outer frame and is arranged on the side closer to the lower side of the first inclined support rod;

[0010] The limiting frame, partition frame and first inclined support rod located inside the outer frame form a plurality of impregnation stations arranged in an array.

[0011] Optionally, the outer frame comprises vertical rods, longitudinal rods and horizontal rods arranged between each other;

[0012] The two ends of the first inclined supporting rod are fixed on the vertical rods, and one end of the first inclined supporting rod is higher than the other end;

[0013] The two ends of the top of the partition frame are respectively fixed on the two longitudinal rods of the top of the outer frame;

[0014] The two ends of the top of the limiting frame are respectively fixed on the two longitudinal rods of the top of the outer frame, and the two ends of the bottom of the limiting frame are respectively fixed on the two longitudinal rods of the bottom of the outer frame.

[0015] Optionally, the partition frame comprises an upper supporting rod and a lower supporting rod arranged in parallel with each other;

[0016] The two ends of the upper supporting rod are respectively fixed on the two longitudinal rods of the top of the outer frame, and the two ends of the lower supporting rod are respectively fixed on the two first inclined supporting rods;

[0017] The partition frame further comprises a plurality of partition rods arranged in parallel with each other, the two ends of each partition rod are respectively fixed on the upper supporting rod and the lower supporting rod, and the partition rods are arranged in parallel with the vertical rods.

[0018] Optionally, the outer frame further comprises two second inclined supporting rods arranged in parallel with the first inclined supporting rods, and the second inclined supporting rods are arranged above the first inclined supporting rods;

[0019] The partition frame further comprises a middle supporting rod arranged between the upper supporting rod and the lower supporting rod, and the two ends of the middle supporting rod are respectively fixed on the two second inclined supporting rods.

[0020] Optionally, the limiting frame comprises two limiting supporting rods and at least one limiting blocking rod;

[0021] The limiting supporting rods are arranged in parallel with the vertical rods, and the two ends of each limiting supporting rod are respectively fixed on the two longitudinal rods;

[0022] The two ends of the limiting blocking rod are fixed on the two limiting supporting rods, and the height of the limiting supporting rods is higher than the height of the lower supporting rod.

[0023] Optionally, the four corners of the bottom of the outer frame extend downward to form supporting legs.

[0024] In another aspect, the application provides a batch impregnation device for ceramic matrix composites, which comprises any one of the batch impregnation frames for ceramic matrix composites described above, and further comprises an impregnation barrel body having a cavity inside, and a lifting mechanism and a stirring mechanism arranged inside the impregnation barrel body;

[0025] The lifting mechanism comprises a lifting plate for placing the impregnation frame body, and the stirring mechanism is arranged below the lifting plate;

[0026] The impregnation barrel body is further provided with a feeding pipe in communication with the cavity inside the impregnation barrel body, and a heating coil arranged in the peripheral wall of the impregnation barrel body.

[0027] Optionally, the inner wall of the impregnation barrel body is provided with a nano ceramic coating, and the thickness of the nano ceramic coating ranges from 0.2mm to 0.5mm.

[0028] Optionally, the bottom of the impregnation barrel body is further provided with a partition plate for separating the internal cavity into an impregnation main cavity and a power device cavity.

[0029] The stirring mechanism comprises stirring blades arranged in the impregnation main cavity and a stirring motor for driving the stirring blades to rotate, and the stirring motor is arranged in the power device cavity.

[0030] The lifting mechanism further comprises a lifting rod arranged in the impregnation main cavity and a lifting motor for driving the lifting rod to rotate, and the lifting motor is arranged in the power device cavity.

[0031] The lifting rod comprises a rotating shaft section rotationally connected with the partition plate and a threaded section threadedly connected with the lifting plate, and the threaded section is coaxially fixedly connected with the rotating shaft section.

[0032] Optionally, the lifting rod further comprises a limiting ring protrusion arranged between the rotating shaft section and the threaded section, the outer diameter of the limiting ring protrusion is larger than that of the threaded section, and the horizontal position of the limiting ring protrusion is higher than that of the stirring blades.

[0033] According to the present application, the following beneficial effects are achieved:

[0034] I. The multiple impregnation station design of the impregnation frame body can place ceramic matrix composite plates in batches, perform batch impregnation operation, and avoid the problem that the ceramic matrix composite plates are easily slipped out of the impregnation station through the design of the first inclined supporting rod, thereby solving the problem of current batch impregnation processing difficulty.

[0035] II. The lifting mechanism, stirring mechanism and feeding pipe arranged in the impregnation barrel body can effectively improve the automation degree of the entire impregnation equipment, thereby solving the problem of low automation degree of the current impregnation equipment. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 FIG. 1 is a structural schematic diagram of Embodiment 1 of the present application.

[0037] Figure 2 FIG. 2 is a three-dimensional structural schematic diagram of Embodiment 1 of the present application.

[0038] Figure 3 FIG. 3 is a structural schematic diagram of Embodiment 2 of the present application.

[0039] Explanation of reference numerals: 1 - impregnation frame main body, 11 - outer frame, 111 - vertical rod, 112 - longitudinal rod, 113 - transverse rod, 121 - first inclined support rod, 122 - second inclined support rod, 13 - partition frame, 131 - upper support rod, 132 - partition rod, 133 - lower support rod, 134 - middle support rod, 14 - limiting frame, 141 - limiting support rod, 142 - limiting stop rod, 2 - ceramic matrix composite plate, 3 - impregnation barrel main body, 301 - impregnation main cavity, 302 - power device cavity, 31 - heating coil, 32 - partition plate, 41 - lifting support plate, 42 - lifting rod, 421 - screw segment, 422 - rotating shaft segment, 423 - limiting ring protrusion, 43 - lifting motor, 51 - stirring blade, 52 - stirring motor, 6 - feeding pipe. DETAILED DESCRIPTION

[0040] The utility model will be described in further detail below in combination with the embodiments and drawings, but the implementation mode of the utility model is not limited to this.

[0041] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom" and the like is the orientation or position relationship based on the drawings shown or the orientation or position relationship commonly placed when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0042] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "open", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] The utility model will be described in further detail below in combination with the embodiments and drawings, but the implementation mode of the utility model is not limited to this.

[0044] Example 1:

[0045] As Figure 1 and Figure 2As shown, the embodiment provides a batch impregnation frame for ceramic matrix composites, which comprises an impregnation frame body 1, the impregnation frame body 1 comprises an outer frame 11 in the shape of a cube, at least two first inclined supporting rods 121 arranged on opposite sides of the outer frame 11, and at least two partition frames 13 fixed inside the outer frame 11 through the outer frame 11 and the first inclined supporting rods 121;

[0046] The two first inclined supporting rods 121 are arranged in parallel with each other;

[0047] The two partition frames 13 are arranged in the length direction of the first inclined supporting rods 121, and the bottoms of the two partition frames 13 are fixed on the first inclined supporting rods 121;

[0048] It also comprises a limiting frame 14 for blocking the sliding out of the ceramic matrix composite plate 2, the limiting frame 14 is arranged inside the outer frame 11 and close to the lower side of the position of the first inclined supporting rod 121;

[0049] The limiting frame 14, the partition frame 13 and the first inclined supporting rod 121 inside the outer frame 11 form a plurality of impregnation stations arranged in an array.

[0050] The impregnation frame body 1 in the embodiment is made of titanium alloy material with a strength of more than 800MPa, and after spark processing, the positioning accuracy is ±0.2mm, which ensures that the forces of each workpiece are uniform and consistent during batch impregnation.

[0051] The embodiment can place the ceramic matrix composite plate 2 in batches through the design of the multiple impregnation stations of the impregnation frame body 1, and can perform batch impregnation operation, and through the design of the first inclined supporting rod 121, the problem that the ceramic matrix composite plate 2 is easy to slide out of the impregnation station is avoided, and the current batch impregnation processing difficulty problem can be solved.

[0052] Specifically, in the embodiment, as shown in Figure 1 and Figure 2 The outer frame 11 comprises vertical rods 111, longitudinal rods 112 and transverse rods 113 arranged between each other;

[0053] Both ends of the first inclined supporting rod 121 are fixed on the vertical rods 111, and one end of the first inclined supporting rod 121 is higher than the other end;

[0054] Both ends of the top of the partition frame 13 are fixed on the two longitudinal rods 112 at the top of the outer frame 11;

[0055] Both ends of the top of the limiting frame 14 are fixed on the two longitudinal rods 112 at the top of the outer frame 11, and both ends of the bottom of the limiting frame 14 are fixed on the two longitudinal rods 112 at the bottom of the outer frame 11.

[0056] In the embodiment, the vertical rods 111, the horizontal rods 113 and the longitudinal rods 112 are all provided with four rods, and the intersection points between the vertical rods 111, the horizontal rods 113 and the longitudinal rods 112 are all fixed by welding.

[0057] Specifically, in the embodiment, as shown in Figure 1 and Figure 2 illustrated, the partition frame 13 includes upper supporting rods 131 and lower supporting rods 133 arranged in parallel with each other;

[0058] The two ends of the upper supporting rods 131 are respectively fixed on the two longitudinal rods 112 at the top of the outer frame 11, and the two ends of the lower supporting rods 133 are respectively fixed on the two first inclined supporting rods 121;

[0059] The partition frame 13 further includes a plurality of partition rods 132 arranged in parallel with each other, the two ends of the partition rods 132 are respectively fixed on the upper supporting rods 131 and the lower supporting rods 133, and the partition rods 132 are arranged in parallel with the vertical rods 111. Through the partition rods 132, the ceramic matrix composite plates 2 have a certain gap between each other, so as to avoid the mutual influence of the multiple ceramic matrix composite plates 2 during the impregnation process, thereby affecting the impregnation processing effect.

[0060] Specifically, in the embodiment, as shown in Figure 1 and Figure 2 illustrated, it further includes two second inclined supporting rods 122 arranged in parallel with the first inclined supporting rods 121, and the second inclined supporting rods 122 are arranged above the first inclined supporting rods 121;

[0061] The partition frame 13 further includes a middle supporting rod 134 arranged between the upper supporting rods 131 and the lower supporting rods 133, and the two ends of the middle supporting rod 134 are respectively fixed on the two second inclined supporting rods 122.

[0062] By arranging the second inclined supporting rods 122, the number of impregnation stations in the impregnation frame in the embodiment can be increased, and the number of processing in a single impregnation process can be increased. In some embodiments, the technician can also arrange a third inclined supporting rod (not shown in the figure), a fourth inclined supporting rod (not shown in the figure) and the like according to the needs, so as to increase the number of impregnation processing in a single process.

[0063] Specifically, in the embodiment, as shown in Figure 2 illustrated, the limiting frame 14 includes two limiting supporting rods 141 and at least one limiting rod;

[0064] The limiting supporting rods 141 are arranged in parallel with the vertical rods 111, and the two ends of the limiting supporting rods 141 are respectively fixed on the two longitudinal rods 112;

[0065] The two ends of the limiting stop lever are fixed on the two limiting support rods 141, and the height of the limiting support rod 141 is higher than the height of the lower supporting rod 133. In this embodiment, a limiting stop lever is also arranged obliquely above the middle supporting rod 134.

[0066] Specifically, in this embodiment, as shown in Figure 1 and Figure 2 The four corners of the bottom of the outer frame 11 extend downward to have supporting legs, which facilitate the carrying and transferring of the entire impregnation frame body 1.

[0067] Embodiment 2:

[0068] On the basis of the above-mentioned embodiment 1, the present embodiment provides a batch impregnation equipment for ceramic matrix composites, which comprises any one of the above-mentioned batch impregnation frames for ceramic matrix composites, and further comprises an impregnation barrel body 3 with an internal cavity, and a lifting mechanism and a stirring mechanism arranged inside the impregnation barrel body 3.

[0069] The lifting mechanism comprises a lifting supporting plate 41 for placing the impregnation frame body 1, and the stirring mechanism is arranged below the lifting supporting plate 41.

[0070] The impregnation barrel body 3 is further provided with a feeding pipe 6 communicating with the internal cavity thereof, and a heating coil 31 arranged in the peripheral wall thereof.

[0071] The impregnation barrel body 3 in this embodiment is in the shape of a cuboid as a whole, and can accommodate the impregnation frame. The feeding pipe 6 in this embodiment communicates with an external feeding and adjusting system, and the impregnation barrel body 3 is further provided with an on-line viscosity monitor (not shown in the figure) for feeding back the viscosity of the impregnation liquid inside, so as to provide data support for the feeding of the feeding and adjusting system. After the feeding and adjusting system feeds the impregnation barrel body 3, the stirring mechanism can stir the impregnation liquid inside the impregnation barrel body 3, so as to ensure the concentration balance at each position inside the impregnation barrel body 3. Therefore, the lifting mechanism, the stirring mechanism and the feeding pipe 6 arranged inside the impregnation barrel body 3 can effectively improve the automation degree of the entire impregnation equipment, and solve the problem of low automation degree of the current impregnation equipment.

[0072] Specifically, in this embodiment, as shown in Figure 2 , the inner wall of the impregnation barrel body 3 is provided with a nano ceramic coating (not shown in the figure), and the thickness of the nano ceramic coating ranges from 0.2 mm to 0.5 mm, so that the friction coefficient of the inner peripheral wall of the impregnation barrel body 3 is as low as 0.02, and the impregnation environment is stable.

[0073] Specifically, in this embodiment, as shown in Figure 3 , the bottom of the impregnation barrel body 3 is further provided with a partition plate 32 for separating the internal cavity into an impregnation main cavity 301 and a power equipment cavity 302.

[0074] The stirring mechanism comprises stirring blades arranged in the main immersion cavity 301 and a stirring motor 52 for driving the stirring blades to rotate, and the stirring motor 52 is arranged in the power equipment cavity 302.

[0075] The lifting mechanism further comprises a lifting rod 42 arranged in the main immersion cavity 301 and a lifting motor 43 for driving the lifting rod 42 to rotate, and the lifting motor 43 is arranged in the power equipment cavity 302.

[0076] The lifting rod 42 comprises a rotating shaft section 422 rotationally connected with the partition plate 32 and a threaded section screw-connected with the lifting supporting plate 41, and the threaded section is coaxially fixedly connected with the rotating shaft section 422.

[0077] The lifting mechanism and the stirring mechanism in the embodiment are both common mechanisms, and will not be described here, and those skilled in the art can also replace the lifting mechanism with an electric push rod, a hydraulic push rod or other common mechanisms, which will not be described here.

[0078] Specifically, the lifting rod 42 further comprises a limiting ring protrusion 423 arranged between the rotating shaft section 422 and the threaded section, the outer diameter of the limiting ring protrusion 423 is larger than that of the threaded section, and the horizontal position of the limiting ring protrusion 423 is higher than that of the stirring blades 51, so as to prevent the lifting supporting plate 41 of the lifting mechanism from colliding with the stirring mechanism.

[0079] The remaining structures of the embodiment are the same as those of the above-described embodiment 1, and will not be described here.

[0080] It can be understood that the above embodiments are only exemplary embodiments adopted for illustrating the principles of the present application, and the present application is not limited thereto. Those skilled in the art can make various modifications and improvements without departing from the spirit and essence of the present application, and these modifications and improvements are also regarded as the protection scope of the present application.

Claims

1. A batch impregnation frame for a ceramic matrix composite, characterized by, The impregnation frame comprises an impregnation frame body (1), the impregnation frame body (1) comprises an outer frame (11) in the shape of a cube, at least two first inclined supporting rods (121) arranged on opposite sides of the outer frame (11), and at least two partition frames (13) fixed to the inside of the outer frame (11) through the outer frame (11) and the first inclined supporting rods (121); The two first inclined supporting rods (121) are arranged in parallel with each other; The two partition frames (13) are arranged in parallel along the length direction of the first inclined supporting rods (121), and the bottom of each of the two partition frames (13) is fixed to the first inclined supporting rods (121); The impregnation frame further comprises a limiting frame (14) for blocking the sliding out of the ceramic matrix composite plate (2), the limiting frame (14) is arranged inside the outer frame (11) and close to the lower side of the first inclined supporting rods (121); The limiting frame (14), the partition frame (13) and the first inclined supporting rods (121) arranged inside the outer frame (11) form a plurality of impregnation stations arranged in an array.

2. A ceramic matrix composite batch impregnation frame according to claim 1, wherein, The outer frame (11) comprises vertical rods (111), longitudinal rods (112) and horizontal rods (113) arranged alternately; Both ends of the first inclined supporting rods (121) are fixed to the vertical rods (111), and one end of the first inclined supporting rods (121) is higher than the other end; Both ends of the top of the partition frame (13) are fixed to the two longitudinal rods (112) at the top of the outer frame (11); Both ends of the top of the limiting frame (14) are fixed to the two longitudinal rods (112) at the top of the outer frame (11), and both ends of the bottom of the limiting frame (14) are fixed to the two longitudinal rods (112) at the bottom of the outer frame (11).

3. A ceramic matrix composite batch impregnation frame according to claim 2, wherein, The partition frame (13) comprises upper supporting rods (131) and lower supporting rods (133) arranged in parallel; Both ends of the upper supporting rods (131) are fixed to the two longitudinal rods (112) at the top of the outer frame (11), and both ends of the lower supporting rods (133) are fixed to the two first inclined supporting rods (121); The partition frame (13) further comprises a plurality of partition rods (132) arranged in parallel, both ends of the partition rods (132) are fixed to the upper supporting rods (131) and the lower supporting rods (133), and the partition rods (132) are arranged in parallel with the vertical rods (111).

4. A ceramic matrix composite batch impregnation frame according to claim 3, wherein, The impregnation frame further comprises two second inclined supporting rods (122) arranged in parallel with the first inclined supporting rods (121), and the second inclined supporting rods (122) are arranged above the first inclined supporting rods (121); The partition frame (13) further comprises a middle supporting rod (134) arranged between the upper supporting rods (131) and the lower supporting rods (133), both ends of the middle supporting rod (134) are fixed to the two second inclined supporting rods (122).

5. A ceramic matrix composite batch impregnation frame according to claim 2, wherein, The limiting frame (14) comprises two limiting supporting rods (141) and at least one limiting rod; The limiting supporting rods (141) are arranged in parallel with the vertical rods (111), and both ends of the limiting supporting rods (141) are fixed to the two longitudinal rods (112); Both ends of the limiting rod are fixed to the two limiting supporting rods (141), and the height of the limiting supporting rods (141) is higher than the height of the lower supporting rods (133).

6. A ceramic matrix composite batch impregnation frame as in claim 1, wherein, The outer frame (11) bottom four corners extend downward with the legs.

7. A ceramic matrix composite batch impregnation apparatus characterized by, The batch impregnation frame of any one of claims 1-6 further comprises an impregnation barrel body (3) with a cavity inside, and a lifting mechanism and a stirring mechanism arranged inside the impregnation barrel body (3); The lifting mechanism comprises a lifting tray (41) for placing the impregnation frame body (1), and the stirring mechanism is arranged below the lifting tray (41); The impregnation barrel body (3) is further provided with a feeding pipe (6) communicating with the cavity inside, and a heating coil (31) arranged in the peripheral wall thereof.

8. A ceramic matrix composite batch impregnation apparatus as defined in claim 7, wherein, The inner wall of the impregnation barrel body (3) is provided with a nano ceramic coating, and the thickness of the nano ceramic coating ranges from 0.2mm to 0.5mm.

9. A ceramic matrix composite batch impregnation apparatus as defined in claim 7, wherein, The bottom of the impregnation barrel body (3) is further provided with a partition plate (32) for separating the cavity inside into an impregnation main cavity (301) and a power equipment cavity (302); The stirring mechanism comprises stirring blades arranged in the impregnation main cavity (301), and a stirring motor (52) for driving the stirring blades to rotate, and the stirring motor (52) is arranged in the power equipment cavity (302); The lifting mechanism further comprises a lifting rod (42) arranged in the impregnation main cavity (301), and a lifting motor (43) for driving the lifting rod (42) to rotate, and the lifting motor (43) is arranged in the power equipment cavity (302); The lifting rod (42) comprises a rotating shaft section (422) rotatably connected with the partition plate (32), and a threaded section threadedly connected with the lifting tray (41), and the threaded section is coaxially fixedly connected with the rotating shaft section (422).

10. A ceramic matrix composite batch impregnation apparatus as defined in claim 9, wherein, The lifting rod (42) further comprises a limiting ring protrusion (423) arranged between the rotating shaft section (422) and the threaded section, the outer diameter of the limiting ring protrusion (423) is larger than that of the threaded section, and the horizontal position of the limiting ring protrusion (423) is higher than that of the stirring blades (51).