Device for sealing cavity
By designing a device for sealing the cavity, the oil port of the cavity is sealed with components such as pressure plates, tripods and side plates, the problem of oil and iron filings entering the cavity during processing is solved, and the cleaning of the cavity is achieved and improve processing efficiency.
Patent Information
- Application Number
- CN202323542241.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-25
AI Technical Summary
When processing the bearing housing of the unit, it is difficult to clean the oil and iron chips inside the cavity, which affects the cleaning quality and working progress of the workpiece.
A device for sealing the cavity is designed, including a pressure plate, a tripod, a side plate, a bolt A and a bolt B. The oil port of the cavity is sealed through these components to ensure that the processed cavity is free of debris. .
Effectively prevent iron filings and coolant from entering the cavity, simplifying the cleaning process, and improving the cleaning quality and processing efficiency of the workpiece.
Smart Images
Figure CN222163536U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of steam turbine unit bearing housings, and in particular relates to a device for sealing a cavity. Background Art
[0002] When processing the bearing housing parts of a certain unit, Figure 3 As shown, since there is a complex cavity inside the shell, the cavity has three windows for circulating oil. The windows need to be blocked with cotton cloth each time processing is performed. However, when the machine tool rotates during processing, coolant and oil will flow into the cavity, and sometimes the cotton cloth will be rotated out. In this way, some iron cuttings and oil will enter the cavity, making it difficult for the fitter to clean the oil and iron cuttings during the later cleaning, affecting the work progress. Utility Model Content
[0003] The utility model provides a device for sealing a cavity to overcome the shortcomings of the prior art. The device ensures that there is no debris inside the cavity of a processed workpiece, which helps to ensure the clean quality of the workpiece.
[0004] A device for sealing a mold cavity comprises a pressure plate, a tripod, a side plate, a bolt A and a bolt B;
[0005] The pressure plate is arranged outside the two upper oil ports of the cavity body, and the pressure plate is fixed to the cavity body by bolts A screwed into the screw holes of the cavity body to block the two upper oil ports.
[0006] A tripod is provided in the cavity below the pressure plate, the pressure plate is connected to the tripod, one end of bolt B is fixed on the tripod, the other end of bolt B extends out of the horizontal oil port and passes through the hole on the side plate, and the side plate is fixed to the cavity by a nut screwed on bolt B to seal the horizontal oil port.
[0007] Furthermore, the tripod is a triangular plate, comprising a flat plate and a V-shaped plate, the open side of the V-shaped plate is fixed on the flat plate, the flat plate is arranged at one of the upper oil ports, a bolt A is provided in one of the upper oil ports, the bolt A is passed through the pressure plate and the flat plate, the pressure plate and the flat plate 1 are fixed to the mold cavity by bolts and nuts, and one of the upper oil ports is blocked.
[0008] Furthermore, the bolt B is a single-head bolt, the bare rod end of the single-head bolt is fixed on the tripod, and the side plate is fixed to the cavity body by a nut screwed on the single-head bolt.
[0009] Compared with the prior art, the utility model has the following beneficial effects:
[0010] The utility model device is used for sealing the cavity of the bearing housing. No iron cuttings or coolant will enter the cavity in either lathe machining or milling machining, thus solving the problem of difficult cleaning by fitters. The cleaning of workpieces meets the technical requirements.
[0011] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and embodiments: BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is an exploded view of the utility model;
[0013] Figure 2 It is a schematic diagram of the tripod of the utility model;
[0014] Figure 3 A three-dimensional diagram of the bearing housing. DETAILED DESCRIPTION
[0015] The following is a detailed description of the embodiments of the technical solution of the utility model in conjunction with the accompanying drawings. Unless otherwise specified, the technical terms or scientific terms used in this application should be the common meanings understood by those skilled in the art to which the utility model belongs.
[0016] Figure 1 A device for sealing a cavity is shown, which comprises a pressure plate 1, a tripod 2, a side plate 3, a bolt A4 and a bolt B5;
[0017] The pressure plate 1 is arranged outside the two upper oil ports 6-1 of the cavity 6. The pressure plate 1 is fixed to the cavity 6 by means of bolts A4 screwed into the screw holes 6-2 of the cavity, thereby blocking the two upper oil ports 6-1.
[0018] A tripod 2 is provided in the cavity below the pressure plate 1, and the pressure plate 1 is connected to the tripod 2. One end of the bolt B5 is fixed on the tripod 2, and the other end of the bolt B5 extends out of the horizontal oil port 6-3 and passes through the hole on the side plate 3. The side plate 3 is fixed to the cavity 6 by a nut screwed on the bolt B5, thereby blocking the horizontal oil port 6-3.
[0019] Specifically, the pressing plate 1 and the side plate 3 are both steel plates.
[0020] Specifically, a rubber pad is provided between the pressing plate 1 and the cavity 6 .
[0021] Specifically, a rubber pad is provided between the side plate 3 and the cavity 6 .
[0022] Specifically, the tripod 2 is a triangular plate, comprising a flat plate 2-1 and a V-shaped plate 2-2. The open side of the V-shaped plate 2-2 is fixed on the flat plate 2-1. The flat plate 2-1 is arranged at one of the upper oil ports 6-1. A bolt A4 is provided in one of the upper oil ports 6-1. The bolt A4 is passed through the flat plate 2-1 and the pressure plate 1. The flat plate 2-1 and the pressure plate 1 are fixed to the mold cavity 6 by the bolt A4 and the nut, and one of the upper oil ports 6-1 is blocked. A bolt B5 is fixed to one plate surface of the V-shaped plate 3-2.
[0023] When this embodiment is in use, nuts are pre-welded to the lower surface of the flat plate 2-1, and holes are opened on the flat plate 2-1 and the pressure plate 1 at corresponding nut positions to facilitate the passage of the bolt A4. The assembled tripod 2 is placed in the cavity 6 from the upper oil port, and the bolt A4 passes through the pressure plate 1, the upper oil port and the flat plate 2-1 in turn and is screwed on the nut. The pressure plate 1 and the tripod 2 are clamped and fixed on the cavity 6 to achieve sealing of the upper oil port 6-1.
[0024] Specifically, the bolt B5 is a single-head bolt, the bare end of the single-head bolt is fixed to the tripod 2, and the side plate 3 is fixed to the cavity 6 by a nut screwed on the single-head bolt. The assembled tripod 2 and the bolt B5 are placed in the cavity 6 from the upper oil port, and the side plate 3 is fixed to the cavity 6 by a nut screwed on the single-head bolt, so as to seal the transverse oil port 6-3.
[0025] Example
[0026] Take a steel plate about 520mm long and 60mm wide as the pressure plate 1, which is used to seal the two upper oil ports 6-1. Use the two M10 screw holes of the cavity as the cavity body screw holes 6-2 and bolts A4 to fix the pressure plate 1. Then use a tripod 2 under the pressure plate 1 and use M10 bolts as bolts A4 to fix the tripod 2 and the pressure plate 1 together. At the same time, extend an M10 bolt from one side of the tripod 2 as bolt B5 for sealing the horizontal oil port 6-3. Use a steel plate 60mm wide and 110mm long as the side plate 3 and tighten it with bolts B5. In order to ensure further sealing, a 1mm thick rubber pad is placed on the surface of each plate to better seal.
[0027] Put the tripod 2, the pressure plate and the side plate 3 in order, tighten the 4 bolts A4 at the top, apply a force of 30N, and then tighten the bolts B5 and nuts on the side, and apply a force of 25N. This ensures that there is no debris inside the cavity after processing, and ensures the clean quality of the workpiece.
[0028] The present invention has been disclosed as above with preferred implementation cases, but it is not used to limit the present invention. Any technician familiar with the profession can make slight changes or modifications to equivalent implementation cases with equivalent changes by using the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention, which still fall within the scope of the technical solution of the present invention.
Claims
1. A device for sealing a cavity, characterized in that: It comprises a pressing plate (1), a tripod (2), a side plate (3), a bolt A (4) and a bolt B (5); The pressure plate (1) is arranged outside the two upper oil ports (6-1) of the cavity body (6). The pressure plate (1) is fixed to the cavity body (6) by means of a bolt A (4) screwed into a screw hole (6-2) of the cavity body, thereby blocking the two upper oil ports (6-1). A tripod (2) is provided in the cavity body below the pressure plate (1), the pressure plate (1) is connected to the tripod (2), one end of a bolt B (5) is fixed on the tripod (2), the other end of the bolt B (5) extends out of the horizontal oil port (6-3) and passes through the hole on the side plate (3), the side plate (3) is fixed to the cavity body (6) by a nut screwed on the bolt B (5), and the horizontal oil port (6-3) is blocked.
2. A device for sealing a mold cavity according to claim 1, characterized in that: The pressing plate (1) and the side plate (3) are both steel plates.
3. A device for sealing a mold cavity according to claim 1, characterized in that: A rubber pad is provided between the pressing plate (1) and the cavity body (6).
4. A device for sealing a mold cavity according to claim 1, characterized in that: A rubber pad is provided between the side plate (3) and the cavity (6).
5. The device for sealing a mold cavity according to claim 1, characterized in that: The tripod (2) is a triangular plate, comprising a flat plate (2-1) and a V-shaped plate (2-2). The open side of the V-shaped plate (2-2) is fixed on the flat plate (2-1). The flat plate (2-1) is arranged at one of the upper oil ports (6-1). A bolt A (4) is arranged in one of the upper oil ports (6-1). The bolt A (4) passes through the flat plate (2-1) and the pressure plate (1). The flat plate (2-1) and the pressure plate (1) are fixed to the mold cavity (6) by means of the bolt A (4) and a nut, thereby blocking one of the upper oil ports (6-1).
6. The device for sealing a mold cavity according to claim 1, characterized in that: The bolt B (5) is a single-head bolt, the bare end of the single-head bolt is fixed on the tripod (2), and the side plate (3) is fixed on the cavity body (6) by means of a nut screwed on the single-head bolt.