Grinding device for industrial pump impeller passage
By combining the design of the extrusion plate and the reverse lead screw with the gear transmission driven by the motor, the problem of complicated installation of the impeller flow channel grinding device is solved, realizing the quick installation and disassembly of the impeller, and improving the grinding efficiency and device stability.
Patent Information
- Application Number
- CN202423245956.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In the existing technology, the grinding device for the impeller flow channel is cumbersome to install and disassemble and is not suitable for repeated disassembly and assembly, which leads to loosening of the device and affects the grinding effect.
The impeller is designed with a combination of a pressing plate, a movable rod, a reverse screw, and a limiting sleeve. By rotating the handle, the reverse screw is rotated, which allows for easy installation and removal of the impeller. At the same time, the driven gear is driven by a motor to mesh with the transmission gear, which drives the mounting rod to rotate for grinding.
It enables quick installation and removal of the impeller, improves grinding efficiency, ensures device stability, and enhances grinding results.
Smart Images

Figure CN223848930U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the impeller production technical field, in particular to a polishing device for an industrial pump impeller flow channel. BACKGROUND
[0002] The impeller refers to a disk provided with moving blades and is a component part of an impulse steam turbine rotor, and can refer to the total of the disk and the rotating blades installed thereon, and the impeller can be classified according to shapes and opening and closing conditions.
[0003] In the related art, in order to solve the problem that the smoothness of the impeller flow channel has a certain influence on the efficiency of the water pump, since the flow channel of the centrifugal pump is a curved flow line and is clamped between front and rear cover plates, the casting burrs and sand inclusions in the flow channel are not easy to remove by manual grinding, a polishing device for improving the smoothness of the impeller flow channel is provided in the patent with the publication number CN21255671U, the polishing device for improving the smoothness of the impeller flow channel drives the second belt pulley to rotate through the transmission belt, and then drives the main shaft to rotate in the sand box under the action of the bearing, the impeller rotates in the corundum, the corundum is continuously thrown out by the impeller blades through the impeller flow channel, the throwing direction is consistent with the profile direction of the impeller flow channel, since the corundum is fine and has high hardness, the impeller flow channel is polished smooth through the scouring of the corundum, and the grinding efficiency of the impeller is greatly improved.
[0004] The prior art in the above has the effect of polishing the impeller flow channel through the transmission belt to drive the second belt pulley to rotate, greatly improving the grinding efficiency of the impeller, but still has the following defects: in the process of polishing the impeller, the traditional impeller is installed in a bolt fixing manner, which can ensure stability, but is relatively cumbersome during installation and disassembly, and the bolt fixing is not suitable for repeated disassembly and assembly, and repeated wear can easily cause the device to loosen and affect the polishing effect of the impeller.
[0005] In view of this, we propose a polishing device for an industrial pump impeller flow channel. CONTENT OF THE UTILITY MODEL
[0006] 1. TECHNICAL PROBLEM TO BE SOLVED
[0007] The purpose of the application is to provide a polishing device for an industrial pump impeller flow channel, which solves the technical problem that bolt fixing is not suitable for repeated disassembly and assembly, repeated wear can easily cause the device to loosen and affect the polishing effect of the impeller, and achieves the technical effect of convenient and rapid installation and disassembly of the impeller.
[0008] 2. TECHNICAL SCHEME
[0009] The application provides a polishing device for an industrial pump impeller channel, which comprises a polishing box, a first door plate and a second door plate, a feeding port is fixedly installed on the top of the polishing box, a mounting rod is rotatably installed on one side of the polishing box, a limiting sleeve is abuttingly installed on one side of the mounting rod, an impeller main body is fixedly installed on one side of the limiting sleeve, a fixing sleeve is fixedly installed in the mounting rod, a movable rod is threadedly installed in the fixing sleeve through a reverse screw rod, an extrusion plate matched with the limiting sleeve is movably installed on the outer side of the movable rod, an installation block is movably installed at the front end of the first door plate, a fixing frame corresponding to the installation block is fixedly installed at the front end of the second door plate, an installation sleeve is fixedly installed at the front end of the fixing frame, and a butt joint rod is movably installed in the installation sleeve.
[0010] Preferably, a transmission gear is fixedly installed on the outer side of the mounting rod, a motor is fixedly installed on one side of the polishing box, a driven gear meshed with the transmission gear is fixedly installed on the output end of the motor, and the polishing box and the motor are fixedly installed through a support frame.
[0011] Preferably, the mounting rod and the limiting sleeve are fixedly limited through a fixing knob, one end of the reverse screw rod is fixedly installed with a handle extending out of the fixing sleeve, and the first door plate and the installation block are rotatably installed through a rotating shaft.
[0012] Preferably, the movable rod and the reverse screw rod are threadedly installed through a threaded sleeve, and the movable rod is movably connected with the extrusion plate and the threaded sleeve through installation seats at both ends.
[0013] Preferably, one end of the butt joint rod extends into the inside of the installation block, and the installation block is provided with a butt joint hole corresponding to the butt joint rod.
[0014] Preferably, a limiting block is fixedly installed on the outer side of the butt joint rod, and the butt joint rod in the installation sleeve is sleeved with a spring on the outer side.
[0015] 3. Beneficial effects
[0016] One or more technical solutions provided in the embodiments of the application have at least the following technical effects or advantages:
[0017] 1、The application is limited by the cooperation between the extrusion plate, the movable rod, the mounting seat, the reverse screw and the limiting sleeve. By rotating the handle, the reverse screw can be rotated synchronously. During the rotation of the reverse screw, the threaded sleeve can move along the thread direction outside the reverse screw. The movable rod can conveniently drive the extrusion plate to extrude outward, so that the extrusion plate can be attached to the limiting sleeve. Thus, the extrusion plate and the limiting sleeve are limited and installed. The impeller body can be conveniently installed. The rotation of the motor output end can make the driven gear mesh with the transmission gear, so as to drive the mounting rod to rotate, so that the impeller body rotates in the inside of the polishing box. The abrasive grains can be introduced into the polishing box through the feed inlet to polish the impeller body.
[0018] 2、The application is limited by the cooperation between the mounting block, the butt joint hole, the butt joint rod and the spring. By pulling the butt joint rod, the butt joint rod can slide along the inside of the mounting sleeve. The limiting block can extrude the spring outside the butt joint rod. Rotating the mounting block makes the mounting block placed on the fixed frame. The butt joint rod can be connected between one end of the butt joint rod and the butt joint hole under the rebound of the spring, so as to install the mounting block and the fixed frame, and limit the first door plate and the second door plate. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The appearance of a preferred embodiment of the application is disclosed as a whole structure schematic diagram;
[0020] Figure 2 The driven gear and the transmission gear installation structure schematic diagram of a preferred embodiment of the application is disclosed;
[0021] Figure 3 The inside of the mounting rod is disclosed as a three-dimensional structure schematic diagram of a preferred embodiment of the application;
[0022] Figure 4 The inside of the fixed sleeve is disclosed as a three-dimensional structure schematic diagram of a preferred embodiment of the application;
[0023] Figure 5 The mounting sleeve is disclosed as a three-dimensional structure schematic diagram of a preferred embodiment of the application.
[0024] Explanation of reference numerals in the drawing: 1, polishing box; 2, feed inlet; 3, first door plate; 4, second door plate; 5, motor; 6, support frame; 7, driven gear; 8, mounting rod; 9, transmission gear; 10, impeller body; 11, fixed knob; 12, limiting sleeve; 13, fixed sleeve; 14, reverse screw; 15, threaded sleeve; 16, movable rod; 17, mounting seat; 18, extrusion plate; 19, handle; 20, rotating shaft; 21, mounting block; 22, butt joint hole; 23, fixed frame; 24, mounting sleeve; 25, butt joint rod; 26, limiting block; 27, spring. DETAILED DESCRIPTION
[0025] The application will be further described in detail below with reference to the accompanying drawings.
[0026] Embodiment one
[0027] Referring to Figures 1-5 The embodiment of the application discloses a polishing device for an industrial pump impeller flow channel, which comprises a polishing box 1, a first door plate 3 and a second door plate 4. The top of the polishing box 1 is fixedly provided with an inlet 2. One side of the polishing box 1 is rotatably provided with a mounting rod 8. One side of the mounting rod 8 is buttedly provided with a limiting sleeve 12. One side of the limiting sleeve 12 is fixedly provided with an impeller main body 10. The inside of the mounting rod 8 is fixedly provided with a fixed sleeve 13. The inside of the fixed sleeve 13 is screwedly provided with a movable rod 16 through a reverse screw rod 14. The outside of the movable rod 16 is movably provided with a pressing plate 18 matched with the limiting sleeve 12. The front end of the first door plate 3 is movably provided with a mounting block 21. The front end of the second door plate 4 is fixedly provided with a fixed frame 23 corresponding to the mounting block 21. The front end of the fixed frame 23 is fixedly provided with a mounting sleeve 24. The inside of the mounting sleeve 24 is movably provided with a butt joint rod 25. The reverse screw rod 14 can be rotated synchronously by rotating a handle 19. The threaded sleeve 15 can move along the thread direction outside the reverse screw rod 14 in the process of rotating the reverse screw rod 14, so that the movable rod 16 can conveniently drive the pressing plate 18 to extrude outward, the pressing plate 18 can be attached to the limiting sleeve 12, the pressing plate 18 and the limiting sleeve 12 are limitedly installed, and the impeller main body 10 can be conveniently installed.
[0028] Further, the outside of the butt joint rod 25 is fixedly provided with a limiting block 26, and the outside of the butt joint rod 25 in the inside of the mounting sleeve 24 is sleeved with a spring 27. The butt joint rod 25 can slide along the inside of the mounting sleeve 24 by pulling the butt joint rod 25, the spring 27 outside the butt joint rod 25 can be extruded by the limiting block 26, the mounting block 21 is placed on the fixed frame 23 by rotating the mounting block 21, and the butt joint rod 25 can be butted between one end of the butt joint rod 25 and the butt joint hole 22 under the rebounding action of the spring 27.
[0029] Embodiment two
[0030] Compared with the embodiment one, please refer to Figure 2 and Figure 3The outer side of the mounting rod 8 is fixedly mounted with a transmission gear 9, one side of the polishing box 1 is fixedly mounted with a motor 5, the output end of the motor 5 is fixedly mounted with a driven gear 7 engaged with the transmission gear 9, the polishing box 1 and the motor 5 are fixedly mounted through a support frame 6, the mounting rod 8 and the limiting sleeve 12 are limitingly fixed through a fixed knob 11, one end of the reverse screw rod 14 is fixedly mounted with a handle 19 extending out of a fixed sleeve 13, the first door plate 3 and the mounting block 21 are rotatably mounted through a rotating shaft 20. The rotation of the output end of the motor 5 can make the driven gear 7 engage with the transmission gear 9, so as to drive the mounting rod 8 to rotate, and make the impeller main body 10 rotate in the polishing box 1, and the abrasive grains of diamond sand used for polishing can be introduced into the polishing box 1 through the feeding port 2 to polish the impeller main body 10.
[0031] Further, the movable rod 16 is threadedly mounted between the reverse screw rod 14 and the threaded sleeve 15, the two ends of the movable rod 16 are movably connected between the extrusion plate 18 and the threaded sleeve 15 through the mounting seat 17, one end of the butt joint rod 25 extends into the inside of the mounting block 21, and the mounting block 21 is provided with a butt joint hole 22 corresponding to the butt joint rod 25. The butt joint rod 25 slides along the inside of the mounting sleeve 24, the limiting block 26 can extrude the spring 27 outside the butt joint rod 25, the mounting block 21 is placed on the fixed frame 23 by rotating the mounting block 21, the butt joint rod 25 is released and can be butt jointed between one end of the butt joint rod 25 and the butt joint hole 22 under the rebounding action of the spring 27, so as to mount the mounting block 21 and the fixed frame 23.
[0032] In summary, the polishing device for the industrial pump impeller flow channel disclosed in the embodiment of the application can drive the reverse screw rod 14 to rotate by rotating the handle 19, the threaded sleeve 15 can move along the thread direction outside the reverse screw rod 14 in the process of rotating the reverse screw rod 14, the movable rod 16 can conveniently drive the extrusion plate 18 to extrude outward, the extrusion plate 18 can be attached to the limiting sleeve 12, the extrusion plate 18 and the limiting sleeve 12 are limitingly mounted, the impeller main body 10 can be conveniently mounted, the driven gear 7 can engage with the transmission gear 9 by the rotation of the output end of the motor 5, the mounting rod 8 is driven to rotate, the impeller main body 10 rotates in the polishing box 1, the abrasive grains of diamond sand used for polishing can be introduced into the polishing box 1 through the feeding port 2 to polish the impeller main body 10, the butt joint rod 25 can slide along the inside of the mounting sleeve 24 by pulling the butt joint rod 25, the limiting block 26 can extrude the spring 27 outside the butt joint rod 25, the mounting block 21 is placed on the fixed frame 23 by rotating the mounting block 21, the butt joint rod 25 is released and can be butt jointed between one end of the butt joint rod 25 and the butt joint hole 22 under the rebounding action of the spring 27, so as to mount the mounting block 21 and the fixed frame 23, and limit the first door plate 3 and the second door plate 4.
[0033] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.
[0034] Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A grinding apparatus for an industrial pump impeller passage, comprising: The polishing box (1), the first door plate (3) and the second door plate (4) are characterized in that: the top of the polishing box (1) is fixedly installed with a feeding port (2), one side of the polishing box (1) is rotatably installed with a mounting rod (8), one side of the mounting rod (8) is butt-jointedly installed with a limiting sleeve (12), one side of the limiting sleeve (12) is fixedly installed with an impeller main body (10), the inside of the mounting rod (8) is fixedly installed with a fixed sleeve (13), the inside of the fixed sleeve (13) is screwedly installed with a movable rod (16) through a reverse screw rod (14), the outer side of the movable rod (16) is movably installed with a pressing plate (18) matched with the limiting sleeve (12), the front end of the first door plate (3) is movably installed with a mounting block (21), the front end of the second door plate (4) is fixedly installed with a fixed frame (23) corresponding to the mounting block (21), the front end of the fixed frame (23) is fixedly installed with a mounting sleeve (24), and the inside of the mounting sleeve (24) is movably installed with a butt-jointing rod (25).
2. A polishing device for the flow passage of an industrial pump impeller according to claim 1, characterized in that: The outer side of the mounting rod (8) is fixedly installed with a transmission gear (9), one side of the polishing box (1) is fixedly installed with a motor (5), the output end of the motor (5) is fixedly installed with a driven gear (7) meshedly installed with the transmission gear (9), and the polishing box (1) and the motor (5) are fixedly installed through a supporting frame (6).
3. A polishing device for the flow passage of an industrial pump impeller as defined in claim 1, characterized in that: The mounting rod (8) and the limiting sleeve (12) are limitingly fixed through a fixed knob (11), one end of the reverse screw rod (14) is fixedly installed with a handle (19) extending out of the fixed sleeve (13), and the first door plate (3) and the mounting block (21) are rotatably installed through a rotating shaft (20).
4. A polishing device for the flow passage of an industrial pump impeller as defined in claim 1, wherein: The movable rod (16) and the reverse screw rod (14) are screwedly installed through a threaded sleeve (15), and the two ends of the movable rod (16) and the pressing plate (18) and the threaded sleeve (15) are movably connected through mounting seats (17).
5. A polishing device for the flow passage of an industrial pump impeller as defined in claim 1, wherein: One end of the butt-jointing rod (25) extends into the inside of the mounting block (21), and the mounting block (21) is provided with a butt-jointing hole (22) corresponding to the butt-jointing rod (25).
6. A polishing device for an industrial pump impeller passage according to claim 1, characterized in that: The outer side of the butt-jointing rod (25) is fixedly installed with a limiting block (26), and the outer side of the butt-jointing rod (25) in the inside of the mounting sleeve (24) is sleeved with a spring (27).