Tool for machining flushing hole of centrifugal pump

Abstract

The utility model discloses a tool for machining a flushing hole of a centrifugal pump. A base is included; the supporting plate is connected to the base and extends in the direction away from the base; the positioning plate is connected to the end, away from the base, of the supporting plate, the positioning plate and the base are arranged in a spaced mode, and a protruding positioning circular truncated cone is formed on the surface of the side, away from the supporting plate, of the positioning plate; the included angle between the central axis of the positioning circular truncated cone and the supporting plate is equal to the included angle between the central axis of the centrifugal pump flushing hole and the rotating axis of the centrifugal pump.

Description

Technical Field

[0001] The present application belongs to the technical field of centrifugal pump processing, and more specifically, relates to a tooling for processing flushing holes of a centrifugal pump. Background Art

[0002] The processing of flushing holes is an important step in the production and maintenance of centrifugal pumps. The purpose of flushing holes is to remove impurities and particles inside the pump to prevent them from accumulating and affecting the performance and life of the pump.

[0003] In actual production, there is generally an angle of 30° between the flushing hole and the rotation center axis of the centrifugal pump body. Since the weight of the centrifugal pump body can reach 4 to 5 tons, if there is no special tooling, the existing equipment cannot conveniently process the angle hole on the pump body. Therefore, it is necessary to solve the above technical problems. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a tool for machining flushing holes of a centrifugal pump, so as to solve the technical problem in the prior art that it is difficult to machine flushing holes in the pump body of a centrifugal pump.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted in this application is: to provide a tool for processing flushing holes of a centrifugal pump, comprising:

[0006] Base;

[0007] A support plate connected to the base and extending in a direction away from the base;

[0008] A positioning plate is connected to one end of the support plate away from the base and is spaced apart from the base. A raised positioning cone is formed on the surface of the positioning plate facing away from the support plate. The angle between the central axis of the positioning cone and the support plate is equal to the angle between the central axis of the flushing hole of the centrifugal pump and the rotation axis of the centrifugal pump.

[0009] Optionally, a plurality of support plates are arranged along the central axis of the base.

[0010] Optionally, the top edge of the positioning cone is chamfered.

[0011] Optionally, the positioning plate is provided with a through hole close to the positioning frustum, and the through hole corresponds to a pump body threaded hole on the centrifugal pump.

[0012] Optionally, a plurality of through holes are arranged around the central axis of the positioning cone.

[0013] Optionally, the angle between the central axis of the positioning cone and the support plate is 30°.

[0014] Optionally, the centrifugal pump flushing hole processing tooling further includes a pull rod and a pressure plate;

[0015] The pressing plate and the positioning plate are detachably connected to the two ends of the pull rod, respectively, and the pull rod is parallel to the central axis of the positioning truncated table.

[0016] Optionally, the pressing plate is threadedly connected to the pull rod, and a fastening nut is connected to the end of the pull rod close to the pressing plate.

[0017] Optionally, a fastening threaded hole adapted to the pull rod is provided on the positioning truncated table, and the pull rod is connected to the positioning truncated table via the fastening threaded hole.

[0018] Optionally, a plurality of fastening threaded holes are arranged at intervals on the positioning circular platform.

[0019] The beneficial effect of the tooling for processing the flushing hole of a centrifugal pump provided in the present application is that compared with the prior art, a support plate and a positioning plate are provided in the present application, a positioning frustum is provided on the positioning plate, and the angle between the central axis of the positioning frustum and the support plate is equal to the angle between the central axis of the flushing hole of the centrifugal pump and the rotation axis of the centrifugal pump. In this way, when the centrifugal pump is installed on the positioning frustum, the processing axis of the flushing hole can be made parallel to the extension direction of the support plate. When the support plate is set vertically, the central axis of the flushing hole can be set vertically, which greatly facilitates the processing of the flushing hole and is far superior to the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 The overall structure of the centrifugal pump flushing hole processing tool provided in the embodiment of the present application is schematically shown. Figure 1 ;

[0022] Figure 2 The overall structure of the centrifugal pump flushing hole processing tool provided in the embodiment of the present application is schematically shown. Figure 2 .

[0023] Among them, the reference numerals in the figure are: 101, base; 102, support plate; 103, positioning plate; 104, positioning cone; 105, through hole; 106, pull rod; 107, pressure plate; 108, fastening nut; 109, fastening threaded hole; 200, centrifugal pump body; 201, flushing hole; 202, pump body threaded hole. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] Please also read Figure 1 and Figure 2 , a centrifugal pump flushing hole processing tool provided in an embodiment of the present application is now described, and the centrifugal pump flushing hole processing tool comprises a base 101, a support plate 102 and a positioning plate 103. Among them, the support plate 102 is connected to the base 101 and extends in a direction away from the base 101, the positioning plate 103 is connected to one end of the support plate 102 away from the base 101 and is spaced from the base 101, and a raised positioning truncated cone 104 is formed on the surface of the side of the positioning plate 103 away from the support plate 102, and the angle between the central axis of the positioning truncated cone 104 and the support plate 102 is equal to the angle between the central axis of the centrifugal pump flushing hole 201 and the rotation axis of the centrifugal pump.

[0029] According to the above structure provided in this embodiment, since the positioning plate 103 is provided with a positioning truncated cone 104 and the angle between the central axis of the positioning truncated cone 104 and the support plate 102 is equal to the angle between the central axis of the flushing hole of the centrifugal pump and the rotation axis of the centrifugal pump, when the centrifugal pump is installed on the positioning truncated cone 104, the processing axis of the flushing hole 201 can be made parallel to the extension direction of the support plate 102. When the support plate 102 is set vertically, the central axis of the flushing hole 201 can be set vertically. The processing angle of the parts is ensured by using the angle of the tooling, and the angle processing requirements of the flushing hole 201 of the pump body can be ensured, which greatly facilitates the processing of the flushing hole 201, which is far superior to the prior art. In addition, the positioning truncated cone 104 can be designed to different angles according to the design requirements to meet the processing requirements of different angles.

[0030] In another embodiment of the present application, please refer to Figure 1 and Figure 2 , a plurality of support plates 102 are arranged along the central axis of the base 101. In this embodiment, by providing a plurality of evenly distributed support plates 102, the installation stability of the positioning plate 103 can be improved, and the support strength of the centrifugal pump flushing hole processing tooling can be further improved, thereby expanding the application range of the centrifugal pump flushing hole processing tooling.

[0031] In another embodiment of the present application, please refer to Figure 1 and Figure 2 , the top edge of the positioning truncated platform 104 is provided with a chamfer. According to the above structure provided in this embodiment, the chamfer provided on the top edge of the positioning truncated platform 104 is conducive to the rapid installation of the centrifugal pump body 200, and improves the processing efficiency. It can be understood that the chamfer provided in this embodiment can be a straight edge chamfer commonly used in the art, or a rounded chamfer, etc.

[0032] In another embodiment of the present application, please refer to Figure 1 and Figure 2 The positioning plate 103 is provided with a through hole 105 close to the positioning truncated cone 104, and the through hole 105 corresponds to the pump body threaded hole 202 on the centrifugal pump. In this embodiment, by providing the through hole 105 structure, a bolt can be passed through the through hole 105 and screwed and tightened with the pump body threaded hole 202 to stably install the centrifugal pump body 200 on the positioning disc, thereby improving the processing accuracy and stability of the flushing hole 201. Furthermore, a plurality of through holes 105 are arranged around the central axis of the positioning truncated cone 104, which can further improve the installation stability of the centrifugal pump body 200.

[0033] In another embodiment of the present application, please refer to Figure 1 and Figure 2, the angle between the central axis of the positioning truncated cone 104 and the support plate 102 is 30°. According to the above structure, when the angle between the central axis of the centrifugal pump flushing hole 201 and the centrifugal pump rotation axis is 30°, the central axis of the flushing hole 201 can be set vertically, which greatly facilitates the processing of the flushing hole 201.

[0034] In another embodiment of the present application, please refer to Figure 1 and Figure 2 , the tooling for processing the flushing hole of the centrifugal pump also includes a pull rod 106 and a pressure plate 107; the pressure plate 107 and the positioning plate 103 are detachably connected to the two ends of the pull rod 106, respectively, and the pull rod 106 is parallel to the central axis of the positioning truncated table 104. According to the above structure provided in this embodiment, the pressure plate 107 can cooperate with the positioning truncated table 104 under the action of the pull rod 106 to clamp the centrifugal pump body 200 between the pressure plate 107 and the positioning truncated table 104, further improving the installation stability of the centrifugal pump body 200, significantly reducing the vibration phenomenon during processing, and ensuring the accuracy of the flushing hole 201. In addition, the two ends of the pull rod 106 are detachably connected to the pressure plate 107 and the positioning truncated table 104, respectively, which greatly facilitates the installation of the centrifugal pump body 200 and is conducive to improving the processing efficiency of the flushing hole 201.

[0035] In another embodiment of the present application, please refer to Figure 1 and Figure 2 The pressing plate 107 is threadedly connected to the tie rod 106, and the tie rod 106 is connected with a fastening nut 108 at the end close to the pressing plate 107. According to the above structure provided in this embodiment, the fastening nut 108 can further make the pressing plate 107 abut against the centrifugal pump body 200, so that the installation of the centrifugal pump body 200 is more stable, and it is also convenient to adjust the processing accuracy of the flushing hole 201.

[0036] In another embodiment of the present application, please refer to Figure 1 and Figure 2 The positioning truncated platform 104 is provided with a fastening threaded hole 109 adapted to the tie rod 106, and the tie rod 106 is connected to the positioning truncated platform 104 through the fastening threaded hole. According to the above structure provided in this embodiment, since the tie rod 106 is easy to process threads, it is convenient to form an easily disassembled connection between the tie rod 106 and the positioning truncated platform 104, which is conducive to improving the installation and disassembly of the centrifugal pump body 200.

[0037] In another embodiment of the present application, please refer to Figure 1 and Figure 2, a plurality of fastening threaded holes 109 are arranged at intervals on the positioning truncated table 104. In this embodiment, by providing a plurality of fastening threaded holes 109, on the one hand, the installation position of the tie rod 106 can be adjusted by using the plurality of fastening threaded holes 109, so as to better fit the centrifugal pump body 200; on the other hand, the pressing plate 107 can also be connected to the positioning truncated table through the plurality of tie rods 106, so as to improve the installation stability of the centrifugal pump body 200, which is conducive to improving the processing accuracy of the flushing hole 201.

[0038] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A tool for processing flushing holes of a centrifugal pump, characterized in that: include: Base(101); A support plate (102) connected to the base (101) and extending in a direction away from the base (101); A positioning plate (103) is connected to one end of the support plate (102) away from the base (101) and is spaced apart from the base (101); a raised positioning cone (104) is formed on a surface of the positioning plate (103) facing away from the support plate (102); an angle between the central axis of the positioning cone (104) and the support plate (102) is equal to an angle between the central axis of the flushing hole of the centrifugal pump and the rotation axis of the centrifugal pump.

2. The tooling for processing flushing holes for centrifugal pumps according to claim 1, characterized in that: A plurality of support plates (102) are arranged in a circle along the central axis of the base (101).

3. The tooling for processing flushing holes for centrifugal pumps according to claim 1, characterized in that: The top edge of the positioning truncated cone (104) is provided with a chamfer.

4. The tooling for processing flushing holes for centrifugal pumps according to claim 1, characterized in that: The positioning plate (103) is provided with a through hole (105) close to the positioning truncated cone (104), and the through hole (105) corresponds to a pump body threaded hole (202) on the centrifugal pump.

5. The tooling for processing flushing holes for centrifugal pumps as claimed in claim 4, characterized in that: A plurality of through holes (105) are arranged around the central axis of the positioning truncated cone (104).

6. The tooling for processing flushing holes for centrifugal pumps according to claim 1, characterized in that: The included angle between the central axis of the positioning truncated table (104) and the support plate (102) is 30°.

7. The tooling for processing flushing holes for centrifugal pumps according to claim 1, characterized in that: The centrifugal pump flushing hole machining tool further includes a pull rod (106) and a pressure plate (107); The pressing plate (107) and the positioning plate (103) are respectively detachably connected to two ends of the pull rod (106), and the pull rod (106) is parallel to the central axis of the positioning truncated table (104).

8. The tooling for processing flushing holes for centrifugal pumps according to claim 7, characterized in that: The pressing plate (107) is threadedly connected to the pull rod (106), and a fastening nut (108) is connected to the end of the pull rod (106) close to the pressing plate (107).

9. The tooling for processing flushing holes for centrifugal pumps according to claim 7, characterized in that: The positioning truncated table (104) is provided with a fastening threaded hole (109) adapted to the pull rod (106), and the pull rod (106) is connected to the positioning truncated table (104) via the fastening threaded hole.

10. The tooling for processing flushing holes for centrifugal pumps according to claim 9, characterized in that: A plurality of fastening threaded holes (109) are arranged at intervals on the positioning truncated table (104).

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