Tool for local repair of chemical vapor deposition

Abstract

The utility model relates to the field of workpiece deposition repair, in particular to a tool for chemical vapor deposition local repair, which comprises an air inlet component, an air exhaust component and a deposition component, the deposition component comprises a deposition cover and a deposition support, the deposition cover forms a deposition cavity and is supported on the deposition support, the bottom of the deposition cover is provided with a deposition hole, and the deposition hole is communicated with the deposition cavity. The deposition hole is arranged to allow a workpiece to extend into the deposition cavity; the deposition support comprises at least three deposition supporting rods, and each deposition supporting rod is formed by stacking a plurality of deposition pieces which are detachably connected. The gas inlet assembly and the gas exhaust assembly are both connected to the deposition cover and communicate with the deposition cavity, the gas inlet assembly comprises a gas inlet pipe, and the gas inlet pipe is arranged in the deposition cover in a penetrating mode and used for inputting deposition gas into the deposition cavity; and the air exhaust assembly is used for exhausting the deposition gas from the deposition cavity, so that the workpiece can be locally repaired, waste of the deposition gas is reduced, and the deposition thickness of the surface of the deposited workpiece is relatively uniform.

Description

Technical Field

[0001] The utility model relates to the field of workpiece deposition repair, in particular to a tool for local repair by chemical vapor deposition. Background Art

[0002] Fiber-reinforced ceramic-based composite materials have the advantages of high strength, good toughness, and high-temperature oxidation resistance. However, during use, this material is prone to local bumps and other damage to the surface deposition layer. Local damage is difficult to repair, and overall deposition easily causes deposition on other parts while repairing the damaged part, resulting in uneven deposition thickness on the workpiece surface. If no repair is performed, the workpiece needs to be replaced, which will increase the cost of use and cause waste of the workpiece.

[0003] The present invention designs a tool for local repair of chemical vapor deposition, which can bond and fill defects such as pits on the local surface of a workpiece, reduce the waste of deposition gas, and make the deposition thickness on the surface of the workpiece after deposition more uniform. Utility Model Content

[0004] The purpose of the utility model is to provide a tool for local repair of chemical vapor deposition, so as to locally repair the workpiece, reduce the waste of deposition gas, and make the thickness of the deposition layer on the surface of the workpiece after deposition more uniform.

[0005] To achieve the above objectives, on the one hand, the present invention adopts the following technical solutions:

[0006] A tool for local repair of chemical vapor deposition, comprising an air intake component, an air extraction component and a deposition component, wherein:

[0007] The deposition assembly includes a deposition hood and a deposition bracket. The deposition hood forms a deposition chamber. The deposition hood is supported on the deposition bracket. A deposition hole is opened at the bottom of the deposition hood. The deposition hole is configured to allow a workpiece to extend into the deposition chamber.

[0008] The deposition support comprises at least three deposition rods, each of which is composed of a plurality of detachably connected deposition pieces stacked together;

[0009] The air intake assembly and the air exhaust assembly are both connected to the deposition hood and communicated with the deposition chamber. The air intake assembly includes an air intake pipe, which is arranged in the deposition hood to input deposition gas into the deposition chamber; the air exhaust assembly is used to extract the deposition gas from the deposition chamber.

[0010] In this solution, when a part of the workpiece is damaged and needs to be repaired by deposition, the workpiece to be repaired is placed in the deposition box through the deposition hole. According to the position of the local surface to be repaired, the number of deposition parts that make up the deposition support rod is adjusted. By superimposing the deposition parts, the height at which the deposition cover is lifted is adjusted so that the air inlet pipe is aligned with the position of the local workpiece to be repaired. The deposition gas is released through the air inlet pipe to accurately repair the surface of the workpiece, thereby improving the repair effect while reducing the waste of deposition gas, and having a better repair effect on the workpiece.

[0011] A further technical solution of the present invention is that a connection protrusion is fixedly provided on one side of the deposition member, and a connection groove matching the connection protrusion is provided on the other side.

[0012] A further technical solution of the present invention is that a plurality of connection protrusions are provided on each of the deposition members, and a plurality of connection grooves are also provided corresponding to the connection protrusions.

[0013] A further technical solution of the present invention is that the deposition hood includes a bottom plate, a top plate, and a side wall connected between the bottom plate and the top plate, the deposition hole is opened on the bottom plate, and a plurality of ventilation holes are opened on the side wall and / or the top plate;

[0014] There is at least one air inlet pipe, which is connected to the deposition chamber through one or more of the plurality of vents and is used to transport deposition gas into the deposition hood;

[0015] The deposition assembly further includes a plurality of seals, each seal being detachably connected to one of the vent holes.

[0016] A further technical solution of the present invention is that the sealing member is detachably connected to the vent hole via a snap-fit structure.

[0017] A further technical solution of the present invention is that the sealing member is configured as a threaded member, and the sealing member is threadedly connected to the vent hole.

[0018] A further technical solution of the present invention is that a threaded pipe is detachably connected to the air inlet pipe, and the threaded pipe is threadedly connected to the vent hole.

[0019] A further technical solution of the present invention is that the bottom plate is provided with a connecting groove corresponding to the connecting protrusion on the deposition member, or the bottom plate is provided with a connecting protrusion corresponding to the connecting groove on the deposition member.

[0020] A further technical solution of the present invention is that a mounting bar is provided at the bottom of the deposition hood, and the bottom plate is detachably connected to the mounting bar.

[0021] A further technical solution of the present invention is that the exhaust assembly includes an exhaust pipe and an exhaust pump, the exhaust pipe is connected to the deposition chamber through a vent, and the exhaust pump is connected to the exhaust pipe for extracting the gas in the deposition container.

[0022] The beneficial effects are as follows: by placing the workpiece that needs local deposition repair on the base, adjusting the number of deposition parts that make up the deposition support rod to adjust the depth of the deposition workpiece inserted into the deposition hood, and then by inserting the air inlet pipe into the vent hole corresponding to the position to be deposited, the remaining vent holes are sealed by sealing parts; rotating the air inlet pipe, and adjusting the depth of the threaded pipe inserted into the deposition hood through the cooperation between the threaded rod on the air inlet pipe and the thread of the vent hole, so that the air inlet pipe can be aligned with the position on the surface of the deposition workpiece that needs to be deposited, inputting deposition gas into the inside of the deposition hood through the air inlet component, depositing the workpiece surface, and then timely extracting the unreacted gas through the exhaust component to achieve local deposition repair on the workpiece surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 is an exploded schematic diagram showing the connection protrusion;

[0025] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle;

[0026] Figure 4 It is an exploded schematic diagram showing the connection groove;

[0027] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle.

[0028] In the figure: 1-deposition assembly, 11-deposition cover, 12-deposition bracket, 121-base, 122-deposition part, 2-bottom plate, 21-deposition hole, 3-vent, 31-seal, 4-connecting protrusion, 41-connecting groove, 5-mounting bar, 6-air intake assembly, 61-air storage tank, 62-air intake pipe, 7-exhaust assembly, 71-exhaust pipe, 72-exhaust pump; 8-threaded pipe. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-Figure 5 The specific implementation methods of the present utility model are further described.

[0030] like Figure 1 and Figure 2As shown, the utility model discloses a tool for local repair of chemical vapor deposition, including a deposition assembly 1, an air inlet assembly 6, and an air extraction assembly 7. The deposition assembly 1 includes a deposition hood 11 and a deposition bracket 12. The deposition hood 11 is arranged on the deposition bracket 12. A rectangular deposition chamber is formed inside the deposition hood 11 of the present application. A bottom plate 2 is provided at the bottom of the deposition hood 11. A deposition hole 21 for a workpiece to pass through is opened on the bottom plate 2. The deposition hood 11 is used to perform vapor deposition on the workpiece placed inside.

[0031] Reference Figure 1 , a plurality of vent holes 3 are provided on the side wall of the deposition hood 11. In the present application, the number of vent holes 3 provided on one side wall is five, one vent hole 3 is located at the center of the side wall, and the remaining four vent holes 3 are arranged in a cross shape around the center vent hole 3, and each vent hole 3 is set as a threaded hole; one side of the deposition hood 11 is connected to the air intake assembly 6, and the air intake assembly 6 includes an air storage tank 61 and an air intake pipe 62. The air storage tank 61 is placed outside the deposition hood 11 and is connected to the air intake pipe 62. The air intake pipe 62 is connected to the deposition hood 11 for transporting deposition gas into the deposition hood 11. The air intake pipe 62 is set as a hose;

[0032] refer to Figure 1 , a threaded tube 8 is provided at one end of the air inlet pipe 62 away from the air storage tank 61, and the threaded tube 8 is threadedly connected to the vent hole 3. By rotating the threaded tube 8, the distance at which it penetrates into the deposition cover 11 can be adjusted; in other embodiments, the air inlet pipe 62 can be connected to threaded tubes 8 of different apertures to adjust the air output of the threaded tube, so as to repair the surface of the workpiece with different defect areas; the above-mentioned multiple vent holes 3 are opened on the side wall of the deposition cover 11; excluding the vent hole 3 connected to the air inlet pipe 62, each of the remaining vent holes 3 is correspondingly installed with a sealing member 31 for sealing the vent hole 3, The seal 31 is configured as a screw, and the seal 31 is threadedly connected to the vent 3 by rotation to seal the vent 3. This allows the air inlet pipe 62 to be inserted into the vent 3 at the corresponding position according to the different positions on the workpiece surface where deposition repair is required, and by rotating the air inlet pipe 62, the depth of the air inlet pipe 62 inserted into the deposition hood 11 can be adjusted to perform precise deposition repair on the workpiece surface and achieve local repair of the workpiece. In other embodiments, the seal 31 can be detachably connected to the vent 3 through a snap-fit structure.

[0033] refer to Figure 12. The other side of the deposition hood 11 is connected to the exhaust assembly 7. The exhaust assembly 7 is arranged outside the deposition hood 11 and is used to promptly extract the unused deposition gas inside the deposition hood 11. The exhaust assembly 7 includes an exhaust pipe 71 and an exhaust pump 72. The exhaust pipe 71 is connected to the vent 3 corresponding to the air inlet pipe 62. The exhaust pipe 71 is also configured as a hose. The exhaust pump 72 is connected to the exhaust pipe 71 to extract the gas in the deposition container.

[0034] Reference Figure 3 and Figure 4 The deposition support 1 includes a base 121 and at least three deposition rods disposed on the base 121, each deposition rod is composed of a plurality of deposition members 122 stacked together, one end of the deposition member 122 is integrally connected to a connecting protrusion 4, combined Figure 5 , the other end is provided with a connecting groove 41 corresponding to the connecting protrusion 4; the base 121 is also provided with a connecting protrusion 4 corresponding to the connecting groove 41; the number of connecting protrusions 4 on each deposition member 122 is set to multiple, and the number of connecting protrusions 4 in this application is set to two; by combining the connecting protrusions 4 on the two deposition members 122 with the connecting groove 41, the two deposition members 122 are superimposed, and the base 121 is also provided with a connecting protrusion 4, and through the cooperation between the connecting protrusion 4 and the deposition member 122, the deposition member 122 is stably placed on the base 12 1, supports the deposition cover 11, and the deposition cover 11 is also provided with a connecting groove 41 corresponding to the connecting protrusion 4, so that when the deposition piece 122 supports the deposition cover 11, the deposition cover 11 is placed more stably on the deposition piece 122. By adjusting the number of deposition pieces 122 that constitute the deposition support rod, the distance between the deposition cover 11 and the base 121 can be adjusted, so that after the deposition workpiece is placed on the base 121, the depth of the workpiece to be repaired penetrating into the deposition cover 11 is adjusted, and the deposition repair position of the workpiece is further adjusted in conjunction with the selection of the vent hole 3.

[0035] Reference Figure 2 A mounting bar 5 is fixedly installed at the lower end of the deposition hood 11. The mounting bar 5 is arranged along the length direction of the side wall of the deposition hood 11 and fixedly connected to the inner wall of the deposition hood 11. The mounting bars 5 on each side wall together form a rectangular frame structure; threaded holes are provided on the mounting bar 5, and threaded holes corresponding to the threaded holes on the mounting bar 5 are also provided on the base plate 2. The base plate 2 is threadedly connected to the mounting bar 5 through a screw to realize a detachable connection between the base plate 2 and the deposition hood 11; when deposition repair is required for workpieces of different shapes, a better repair effect on workpieces of different shapes can be achieved by installing a base plate 2 with deposition holes 21 of different shapes under the deposition hood 11.

Claims

1. A tool for local repair of chemical vapor deposition, characterized by: It includes an air intake component, an air extraction component and a deposition component, wherein: The deposition assembly includes a deposition hood and a deposition bracket. The deposition hood forms a deposition chamber. The deposition hood is supported on the deposition bracket. A deposition hole is opened at the bottom of the deposition hood. The deposition hole is configured to allow a workpiece to extend into the deposition chamber. The deposition support comprises at least three deposition rods, each of which is composed of a plurality of detachably connected deposition pieces stacked together; The air intake assembly and the air exhaust assembly are both connected to the deposition hood and communicated with the deposition chamber. The air intake assembly includes an air intake pipe, which is arranged in the deposition hood to input deposition gas into the deposition chamber; the air exhaust assembly is used to extract the deposition gas from the deposition chamber.

2. The chemical vapor deposition local repair tool according to claim 1, characterized in that: One side of the deposition piece is fixedly provided with a connection protrusion, and the other side is provided with a connection groove matching the connection protrusion.

3. The chemical vapor deposition local repair tool according to claim 2, characterized in that: There are multiple connection protrusions on each of the deposition members, and multiple connection grooves are also provided corresponding to the connection protrusions.

4. The chemical vapor deposition local repair tool according to claim 1, characterized in that: The deposition hood comprises a bottom plate, a top plate and a side wall connected between the bottom plate and the top plate, the deposition hole is opened on the bottom plate, and a plurality of ventilation holes are opened on the side wall and / or the top plate; There is at least one air inlet pipe, which is connected to the deposition chamber through one or more of the plurality of vents and is used to transport deposition gas into the deposition hood; The deposition assembly further comprises a plurality of seals, each seal being detachably connected to one of the vent holes.

5. The chemical vapor deposition local repair tool according to claim 4, characterized in that: The sealing member is detachably connected to the vent hole via a snap-fit structure.

6. The tool for local repair of chemical vapor deposition according to claim 4, characterized in that: The sealing member is configured as a threaded member, and the sealing member is threadedly connected to the vent hole.

7. The tool for local repair of chemical vapor deposition according to claim 4, characterized in that: The air inlet pipe is detachably connected with a threaded pipe, which is threadedly connected to the vent hole.

8. The tool for local repair of chemical vapor deposition according to claim 7, characterized in that: The bottom plate is provided with a connection groove corresponding to the connection protrusion on the deposition member, or the bottom plate is provided with a connection protrusion corresponding to the connection groove on the deposition member.

9. The tool for local repair of chemical vapor deposition according to claim 4, characterized in that: A mounting bar is provided at the bottom of the deposition hood, and the bottom plate is detachably connected to the mounting bar.

10. The tool for local repair of chemical vapor deposition according to claim 1, characterized in that: The exhaust assembly includes an exhaust pipe and an exhaust pump. The exhaust pipe is connected to the deposition chamber through a vent hole. The exhaust pump is connected to the exhaust pipe and is used to extract the gas in the deposition container.

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