Coating tool for CVD (Chemical Vapor Deposition) process of ceramic matrix composite

Abstract

The utility model discloses a coating tool for a CVD (Chemical Vapor Deposition) process of a ceramic matrix composite material, relates to the technical field of fastener production, and can solve the problems that the hoisting is unstable, the coating space is easy to interfere and the like when an existing workpiece is subjected to surface coating treatment. The coating tool for the CVD process of the ceramic matrix composite comprises a lifting frame cover, and the lifting frame cover comprises a barrel cover main body and a lifting frame structure fixedly hung at the bottom of the barrel cover main body; a plurality of hoisting grooves which are distributed at intervals are formed in the hanging bracket structure; the bucket cover further comprises a bracket assembly, the bracket assembly comprises a hanging rod fixed to the bottom of the bucket cover body and a bracket body fixed to the hanging rod, and the distance between the bracket body and the bucket cover body is larger than that between the hanging bracket structure and the bucket cover body. A plurality of connecting holes distributed at intervals are formed in the bracket body.

Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic matrix composite production technical field, concretely relates to a kind of coating tool for ceramic matrix composite CVD process. BACKGROUND

[0002] At present, in the manufacturing process of ceramic matrix composite, using CVD technology to complete the last step of sealing hole (i.e. surface coating) of component is more traditional surface treatment technology, and the most common CVD technology is to complete workpiece surface coating by lifting mode, and by lifting mode, uniform distribution coating surface can be realized on the surface of component without die, clamp shielding or covering.

[0003] But in actual production and manufacturing process, hoisting coating has many quality hidden troubles, such as workpiece swinging, falling, coating space interference, which causes workpiece damage, uneven surface coating and other phenomena, and sometimes because of constantly adjusting lifting mode to prevent workpiece interference, certain time waste is generated.

[0004] Therefore, suitable tool needs to be designed to solve the above problems. UTILITY MODEL CONTENT

[0005] The purpose of the present application is to provide a kind of coating tool for ceramic matrix composite CVD process, solve the problem of unstable lifting, coating space interference and other problems when existing workpiece is carried out surface coating treatment.

[0006] To solve the above technical problems, the utility model adopts the following scheme:

[0007] The present application provides a kind of coating tool for ceramic matrix composite CVD process, including hoisting frame cover, hoisting frame cover includes barrel cover main part and the hanger structure suspendedly fixed on the bottom of barrel cover main part;

[0008] A plurality of hoisting grooves are arranged on the hanger structure in an interval manner;

[0009] It further includes bracket assembly, bracket assembly includes hanger bar fixed on the bottom of barrel cover main part, and bracket main body fixed on hanger bar, and the distance between bracket main body and barrel cover main body is greater than the distance between hanger structure and barrel cover main body;

[0010] A plurality of connecting holes are arranged on the bracket main body in an interval manner.

[0011] Further, a plurality of pull rods are arranged on the barrel cover main body in a perpendicular manner to the bottom surface of barrel cover main body, and the hanger structure is fixedly connected to one end of pull rod away from barrel cover main body.

[0012] Further, the hanger structure is in the form of a circular ring, and the hoisting grooves arranged thereon are uniformly distributed along the circumference thereof.

[0013] Further, the bracket body is detachably connected with the hanger.

[0014] Further, the hanger is provided with a plurality of pin holes which are spaced along the axial direction of the hanger.

[0015] The bracket assembly further comprises a connecting member which is inserted into the pin hole, and the bracket body is detachably connected with the hanger through the connecting member.

[0016] Further, the connecting member is a pin or a bolt.

[0017] Further, the bracket body comprises a connecting rod, a sliding sleeve and a bracket structure which is in the shape of a ring, wherein:

[0018] The bracket structure and the sliding sleeve are coaxially arranged, and the two ends of the connecting rod are fixed on the sliding sleeve and the bracket structure, respectively.

[0019] A plurality of connecting holes are uniformly and spacedly arranged on the bracket structure along the circumferential direction of the bracket structure, and the sliding sleeve is provided with two oppositely arranged adjusting holes.

[0020] The size of the adjusting hole is greater than or equal to the size of the pin hole.

[0021] Further, the bucket cover body is further provided with at least one air hole and at least one hook structure on the top thereof.

[0022] Further, the utility model further comprises a crucible bucket body which is matched with the bucket cover body.

[0023] The depth of the crucible bucket body is greater than the depth of the hanger.

[0024] Further, the utility model further comprises a plurality of connecting ropes which are respectively fixed on the connecting holes and the lifting grooves.

[0025] The utility model has the advantages of:

[0026] The utility model sets the hanger structure and the bracket body, and the hanger structure and the bracket body are respectively provided with a plurality of spaced lifting grooves and connecting holes, so that the two ends of the workpiece are fixed through the lifting grooves and the connecting holes, thereby effectively solving the problem that the workpieces excessively shake in the transfer process and the gas deposition process, the workpieces interfere with each other, and the surface coating after chemical deposition is uneven. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The drawings are structural schematic diagrams of the embodiments of the utility model.

[0028] Figure 2 The drawings are structural schematic diagrams of the embodiments of the utility model.

[0029] Figure 3 It is a structure schematic view of the bracket body in the embodiment of the present application.

[0030] Figure 4 It is a structure schematic view when the workpiece is hoisted and connected to the hoisting frame cover in the embodiment of the present application.

[0031] Explanation of reference signs:

[0032] 1-crucible barrel body, 2-hoisting frame cover, 21-barrel cover body, 211-hoisting hook structure, 212-air inlet hole, 22-pull rod, 23-hoisting frame structure, 231-hoisting groove, 3-bracket assembly, 31-hoisting rod, 311-pin hole, 32-bracket body, 321-bracket structure, 322-connection hole, 323-linkage, 324-sliding sleeve, 325-positioning hole, 33-pin shaft, 4-connection rope, 5-workpiece, 6-storage rack. DETAILED DESCRIPTION

[0033] The utility model will be further explained in detail in combination with the embodiments and drawings, but the implementation mode of the utility model is not limited to this.

[0034] 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 based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly placed when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0035] 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, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] The utility model will be further explained in detail in combination with the embodiments and drawings, but the implementation mode of the utility model is not limited to this.

[0037] As Figure 1 To Figure 4As shown, the application provides a coating tool for ceramic matrix composite CVD process, which comprises a lifting frame cover 2, the lifting frame cover 2 comprises a barrel cover body 21 and a lifting frame structure 23 suspended and fixed at the bottom of the barrel cover body 21;

[0038] The lifting frame structure 23 is provided with a plurality of lifting grooves 231 distributed at intervals;

[0039] Further comprising a bracket assembly 3, the bracket assembly 3 comprises a lifting rod 31 fixed at the bottom of the barrel cover body 21, and a bracket body 32 fixed on the lifting rod 31, and the distance between the bracket body 32 and the barrel cover body 21 is greater than the distance between the lifting frame structure 23 and the barrel cover body 21;

[0040] The bracket body 32 is provided with a plurality of connecting holes 322 distributed at intervals.

[0041] In this embodiment, the lifting frame structure 23 and the bracket body 32 are provided, and the lifting frame structure 23 and the bracket body 32 are respectively provided with a plurality of lifting grooves 231 and connecting holes 322 distributed at intervals, so that the two ends of the workpiece 5 are respectively fixed through the lifting grooves 231 and the connecting holes 322, thereby effectively solving the problem that the workpieces 5 shake excessively during the transfer process and the vapor deposition process, causing mutual interference between the workpieces 5, and further causing uneven chemical deposition surface coating.

[0042] Specifically, in this embodiment, as shown in the figure, Figure 1 The barrel cover body 21 is also provided with a plurality of pull rods 22 arranged vertically to the bottom surface of the barrel cover body 21, and the lifting frame structure 23 is fixedly connected to one end of the pull rod 22 away from the barrel cover body 21. In this embodiment, the pull rod 22 is provided with 4 pin shafts 33, which are uniformly distributed along the circumference of the lifting frame structure 23.

[0043] Specifically, in this embodiment, as shown in the figure, Figure 2 The lifting frame structure 23 is in the shape of a circular ring, and the lifting grooves 231 distributed at intervals thereon are uniformly distributed along the circumference thereof. The circular ring-shaped lifting frame structure 23 can lift more workpieces 5 at the same time, improving efficiency, and at the same time, ensuring the gap between the workpieces 5 and avoiding mutual interference.

[0044] Specifically, in this embodiment, the bracket body 32 and the lifting rod 31 are detachably fixedly connected, which facilitates the disassembly of the bracket body 32. In some embodiments, the bracket body 32 and the lifting rod 31 can also be fixedly connected in a non-detachable manner such as welding.

[0045] Specifically, in this embodiment, the lifting rod 31 is provided with a plurality of pin holes 311 distributed at intervals along the axial direction thereof;

[0046] The bracket assembly 3 also includes a connector that can be inserted into the pin hole 311. The bracket body 32 is detachably fixed to the hanger 31 by the connector. By setting multiple spaced pin holes 311, it can easily adapt to more types of workpieces 5.

[0047] Specifically, in this embodiment, the connector is a pin, but technicians can also use a bolt to improve the stability of the connection.

[0048] Specifically, in this embodiment, the bracket body 32 includes a connecting rod 323 and a sliding sleeve 324, as well as a bracket structure 321 in the shape of a ring, wherein:

[0049] The bracket structure 321 and the sliding sleeve 324 are coaxially arranged, and the two ends of the connecting rod 323 are respectively fixed on the sliding sleeve 324 and the bracket structure 321;

[0050] Several connecting holes 322 are evenly spaced along the circumference of the bracket structure 321, and two opposing adjustment holes 325 are provided on the sliding sleeve 324.

[0051] The size of the adjustment hole 325 is greater than or equal to the size of the pin hole 311. In this embodiment, by setting the sliding sleeve 324, the bracket structure 321 can slide on the hanger 31 through the connecting rod 323 and the sliding sleeve 324, while the bracket body 32 can be fixed on the hanger 31 through the pin, the adjustment hole 325, and the pin hole 311.

[0052] In some embodiments, the bracket structure 321 may also take the form of a tray, which is directly fixed to the sliding sleeve 324. In some embodiments, the shape of the bracket structure 321 may also take other shapes such as square ring or elliptical ring, which will not be elaborated here.

[0053] Specifically, the barrel lid body 21 is also provided with at least one vent hole and at least one hook structure 211 located on its top. The vent hole facilitates the introduction of gas for gas phase deposition, and the hook structure 211 facilitates the lifting of the barrel lid body 21 by a crane and its transfer.

[0054] In this embodiment, as Figure 4 As shown in pin 33, before performing the vapor deposition step, when hoisting the workpiece 5 onto the barrel cover body 21, the barrel cover body 21 needs to be placed on the rack 6 first, and the workpiece 5 is manually hoisted onto the barrel cover body 21 to prevent the workpiece 5 on the barrel cover body 21 from shaking. Then, the entire crane is used to transfer the barrel cover body 21 to the crucible barrel 1.

[0055] Specifically, such as Figure 1 As shown, it also includes a crucible body 1 that is adapted to the lid body 21;

[0056] The depth of the crucible barrel 1 is greater than the depth of the lifting rod 31, so as to avoid the lifting rod 31 from pressing against the bottom of the crucible barrel 1.

[0057] Specifically, in the embodiment, a plurality of connecting ropes 4 are further included, one end of each of which is fixed to the connecting hole 322 and the lifting recess 231 respectively. In the embodiment, the connecting rope 4 is a carbon rope, and a steel wire rope can be used instead according to the needs of a technician.

[0058] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principles of the present application, and the present application is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present application, and these modifications and improvements are also considered as the protection scope of the present application.

Claims

1. A coating tool for ceramic matrix composite CVD processes, characterized in that The lifting frame cover (2) comprises a barrel cover body (21) and a lifting frame structure (23) suspendedly fixed to the bottom of the barrel cover body (21); The lifting frame structure (23) is provided with a plurality of lifting grooves (231) distributed at intervals; The bracket assembly (3) comprises a lifting rod (31) fixed to the bottom of the barrel cover body (21), and a bracket body (32) fixed to the lifting rod (31), and the distance between the bracket body (32) and the barrel cover body (21) is greater than the distance between the lifting frame structure (23) and the barrel cover body (21); The bracket body (32) is provided with a plurality of connecting holes (322) distributed at intervals.

2. The coating tool for ceramic matrix composite CVD process according to claim 1, characterized in that, The barrel cover body (21) is further provided with a plurality of pull rods (22) arranged perpendicularly to the bottom surface of the barrel cover body (21), and the lifting frame structure (23) is fixedly connected to one end of the pull rod (22) away from the barrel cover body (21).

3. The coating tool for ceramic matrix composite CVD process according to claim 1, characterized in that, The lifting frame structure (23) is in the shape of a ring, and the lifting grooves (231) distributed at intervals thereon are uniformly distributed along the circumference thereof.

4. The coating tool for ceramic matrix composite CVD process according to claim 1, characterized in that, The bracket body (32) and the lifting rod (31) are detachably fixed.

5. The coating tool for ceramic matrix composite CVD process according to claim 4, characterized in that The lifting rod (31) is provided with a plurality of pin holes (311) distributed at intervals along the axial direction thereof; The bracket assembly (3) further comprises a connecting piece that can be inserted into the pin hole (311), and the bracket body (32) is detachably fixed to the lifting rod (31) through the connecting piece.

6. The coating tool for ceramic matrix composite CVD process according to claim 5, characterized in that The connecting piece is a pin or a bolt.

7. The coating tool for ceramic matrix composite CVD process according to claim 5, wherein The bracket body (32) comprises a connecting rod (323) and a sliding sleeve (324), and a bracket structure (321) in the shape of a ring, wherein: The bracket structure (321) and the sliding sleeve (324) are coaxially arranged, and the two ends of the connecting rod (323) are fixed to the sliding sleeve (324) and the bracket structure (321) respectively; A plurality of connecting holes (322) are uniformly and interval ly distributed on the bracket structure (321) along the circumference thereof, and the sliding sleeve (324) is provided with two oppositely arranged position adjusting holes (325); The size of the position adjusting hole (325) is greater than or equal to the size of the pin hole (311).

8. The coating tool for ceramic matrix composite CVD process according to claim 1, wherein The barrel cover body (21) is further provided with at least one air vent and at least one lifting hook structure (211) located at the top thereof.

9. The coating tool for ceramic matrix composite CVD process according to claim 1, wherein The crucible barrel body (1) is further provided with at least one air vent and at least one lifting hook structure (211) located at the top thereof. The crucible barrel body (1) is further provided with at least one air vent and at least one lifting hook structure (211) located at the top thereof.

10. The coating tool for ceramic matrix composite CVD process according to claim 1, wherein The crucible barrel body (1) is further provided with at least one air vent and at least one lifting hook structure (211) located at the top thereof. The crucible barrel body (1) is further provided with at least one air vent and at least one lifting hook structure (211) located at the top thereof.

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