Water pump shaft grinding device capable of preventing displacement

By designing fixing components with multi-directional fixing and limiting mechanisms in the water pump shaft grinding device, the problem of easy rotation of the water pump shaft in the prior art is solved, and higher machining stability and accuracy are achieved.

CN222680391UActive Publication Date: 2025-03-28NINGBO YINZHOU CHENGKAI PUMP IND CO LTD
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Patent Information

Application Number
CN202420726004.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-03-28
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

The fixing device of the existing water pump shaft grinding device is insufficient, which can easily cause the water pump shaft to rotate during processing, affecting accuracy and quality.

Method used

A water pump shaft grinding device including a first fixing assembly and a second fixing assembly is designed to avoid rotation and lateral movement of the water pump shaft through a multi-directional fixing and limiting mechanism.

Benefits of technology

Effectively prevent the water pump shaft from displaced during grinding, improve processing stability and accuracy, and ensure product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water pump shaft grinding device capable of preventing displacement, which relates to the technical field of water pump shaft grinding devices and comprises a bottom frame, a support and a support are fixedly connected to the top of the bottom frame, a fixing cylinder is rotatably sleeved with the support, and a mounting shell is fixedly connected to the outside of the fixing cylinder. A first fixing assembly is arranged in the mounting shell, a rotating assembly is arranged outside the support, and a second fixing assembly is arranged in the support. The water pump shaft can be prevented from transversely moving during grinding through the arranged first fixing assembly, then one rotating shaft is rotated through the using tool again, the water pump shaft can be prevented from rotating during grinding through the arranged second fixing assembly, and therefore the water pump shaft is more stable in the machining process; and the machining angle of the water pump shaft can be adjusted through the arranged rotating assembly, so that operation is more convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of water pump shaft grinding devices, in particular to a water pump shaft grinding device which can prevent displacement. Background Art

[0002] The pump shaft is mainly used to transmit power and support the rotor components. The pump shaft transmits the torque of the prime mover to the impeller of the centrifugal pump or the moving element of the rotary positive displacement pump, enabling it to operate normally. At the same time, the pump shaft can also support the rotor components to ensure the stable operation of the rotor and prevent the rotor from vibrating or axially moving when rotating. When the pump is running, the pump shaft causes the pump rotor to produce a concentric effect in the shaft hole of the pump housing, thereby improving the working efficiency of the pump.

[0003] After the rough blank of the water pump shaft is manufactured, it needs to be ground. During the grinding process, it is crucial to stably fix the water pump shaft. However, the fixing device of the traditional grinding device currently used has the problem of insufficient stability, which easily causes the water pump shaft to rotate during the processing, thus affecting the processing accuracy and product quality.

[0004] Therefore, it is necessary to invent a water pump shaft grinding device that prevents displacement to solve the above problems. Utility Model Content

[0005] To this end, the utility model provides a water pump shaft grinding device that prevents displacement, which fixes the water pump shaft in multiple directions through a first fixing component and a second fixing component to solve the problems in the prior art.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides the following technical solutions: a displacement-preventing water pump shaft grinding device, comprising a base frame, a support and a bracket are fixedly connected to the top of the base frame, a fixed cylinder is rotatably sleeved inside the support, a mounting shell is fixedly connected to the outside of the fixed cylinder, a first fixing component is arranged inside the mounting shell, a rotating component is arranged outside the support, and a second fixing component is arranged inside the bracket;

[0007] The first fixing assembly includes a mounting plate, the mounting plate is fixedly connected to the inside of the mounting shell, and the mounting plate is movably sleeved on the outside of the fixing cylinder, the inside of the mounting plate is rotatably connected with three rotating shafts, the outsides of the three rotating shafts are all fixedly connected with driven gears, and the three driven gears are all located on a side of the mounting plate away from the bracket, the outside of the fixing cylinder is fixedly connected with a driving gear, and the three driven gears are all meshed with the teeth of the driving gear;

[0008] One end of the three rotating shafts close to the bracket is fixedly connected to the first bevel gear, one side of the mounting plate close to the bracket is fixedly connected to three fixing seats, the insides of the three fixing seats are fixedly sleeved with first threaded sleeves, the outsides of the three first threaded sleeves are fixedly connected with second bevel gears, and the three second bevel gears are respectively meshed with the corresponding first bevel gears, the insides of the three first threaded sleeves are threadedly sleeved with first screws, the one side of the mounting plate close to the bracket is fixedly connected to three sliding sleeves, and the three sliding sleeves are communicated with the fixing tube, the insides of the three sliding sleeves are slidably sleeved with clamping rods, and the first screw is fixedly connected to one end of the clamping rod away from the fixing tube;

[0009] A socket is formed at one end of the clamping rod away from the first screw rod, a replacement block is movably sleeved inside the socket, and a magnet is fixedly connected inside the socket.

[0010] As a preferred embodiment of the present invention, the rotating assembly includes a ring gear, which is fixedly connected to the outside of the fixed cylinder, the outside of the support is rotatably connected to the center shaft, the outside of the center shaft is fixedly connected to a first gear and a worm gear, and the first gear is meshed with the ring gear, the outside of the support is rotatably connected to a worm, and the worm is meshed with the worm gear, and the top of the worm is fixedly connected to a first hand wheel.

[0011] As a preferred solution of the utility model, the second fixing assembly includes a limiting sleeve, the limiting sleeve is fixedly connected to the inside of the bracket, the limiting sleeve is fixedly connected to the second threaded sleeve at one end away from the mounting shell, a movable rod is slidably connected to the inside of the limiting sleeve, the movable rod is rotatably connected to the top block at one end close to the mounting shell, the other end of the movable rod is rotatably connected to the second screw, and the second screw is threadedly sleeved in the inside of the second threaded sleeve, and the second screw is fixedly connected to the second hand wheel at one end away from the limiting sleeve;

[0012] The interior of the fixing cylinder is fixedly connected with a top plate.

[0013] As a preferred solution of the present utility model, the replacement block is T-shaped, and one end of the replacement block away from the clamping rod is an arc shape adapted to the surface of the water pump shaft.

[0014] As a preferred solution of the utility model, the end of the rotating shaft away from the bracket is in the shape of a hexagonal prism, and the rotating shaft is rotatably sleeved inside the mounting shell.

[0015] As a preferred solution of the utility model, a drawer is arranged inside the base frame.

[0016] As a preferred solution of the utility model, a non-slip pad is fixedly connected to a side of the top plate close to the bracket.

[0017] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0018] 1. The first fixing component can be set to avoid lateral movement when grinding the water pump shaft, and then one of the rotating shafts can be rotated again using a tool. The second fixing component can be set to avoid rotation when grinding the water pump shaft, thereby making the water pump shaft more stable during processing;

[0019] 2. The processing angle of the water pump shaft can be adjusted by setting the rotating component, making the operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall side structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of one side of the interior of the installation shell of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the other side inside the installation shell of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the clamping rod and the replacement block of the utility model;

[0025] Figure 6 for Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 7 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 8 for Figure 3 Schematic diagram of the enlarged structure at point C in the middle.

[0028] In the figure: 1, base frame; 2, support; 3, fixed cylinder; 4, mounting shell; 5, mounting plate; 6, rotating shaft; 7, driven gear; 8, driving gear; 9, first bevel gear; 10, first threaded sleeve; 11, first screw; 12, second bevel gear; 13, sliding sleeve; 14, clamping rod; 15, replacement block; 16, magnet; 17, socket; 18, ring gear; 19, center axis; 20, first gear; 21, worm gear; 22, worm; 23, first hand wheel; 24, top plate; 25, anti-slip pad; 26, limit sleeve; 27, movable rod; 28, top block; 29, second threaded sleeve; 30, second screw; 31, second hand wheel; 32, bracket; 33, fixed seat; 34, drawer. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] The utility model provides Figure 1-8 A displacement-preventing water pump shaft grinding device shown in the figure comprises a base frame 1, a support 2 and a bracket 32 ​​are fixedly connected to the top of the base frame 1, a fixing cylinder 3 is rotatably sleeved inside the support 2, a mounting shell 4 is fixedly connected to the outside of the fixing cylinder 3, a first fixing component is arranged inside the mounting shell 4, a rotating component is arranged outside the support 2, and a second fixing component is arranged inside the bracket 32. The water pump shaft can be fixed by the first fixing component, so as to avoid rotation when the water pump shaft is ground, the water pump shaft can be horizontally limited by the second fixing component, so as to avoid lateral movement when the water pump shaft is ground, and the angle of the water pump shaft can be adjusted by the rotating component, so as to facilitate processing thereof;

[0031] The first fixing assembly includes a mounting plate 5, which is fixedly connected to the inside of the mounting shell 4 and movably sleeved on the outside of the fixing cylinder 3. The inside of the mounting plate 5 is rotatably connected with three rotating shafts 6, and the outsides of the three rotating shafts 6 are all fixedly connected with driven gears 7, and the three driven gears 7 are all located on the side of the mounting plate 5 away from the bracket 32. The outside of the fixing cylinder 3 is fixedly connected with a driving gear 8, and the three driven gears 7 are all meshed with the driving gear 8.

[0032] The ends of the three rotating shafts 6 close to the bracket 32 ​​are fixedly connected with the first bevel gear 9, and the side of the mounting plate 5 close to the bracket 32 ​​is fixedly connected with three fixing seats 33, the interiors of the three fixing seats 33 are fixedly sleeved with the first threaded sleeves 10, the exteriors of the three first threaded sleeves 10 are fixedly connected with the second bevel gears 12, and the three second bevel gears 12 are respectively meshed with the corresponding first bevel gears 9, the interiors of the three first threaded sleeves 10 are threadedly sleeved with the first screw 11, the side of the mounting plate 5 close to the bracket 32 ​​is fixedly connected with three sliding sleeves 13, and the three sliding sleeves 13 are connected with the fixed cylinder 3, the interiors of the three sliding sleeves 13 are slidably sleeved with clamping rods 14, and the first screw 11 is fixedly connected to the end of the clamping rod 14 away from the fixed cylinder 3, and the water pump shaft can be fixed by the three clamping rods 14 approaching the center of the fixed cylinder 3;

[0033] A socket 17 is formed at one end of the clamping rod 14 away from the first screw rod 11 , and a replacement block 15 is movably sleeved inside the socket 17 . A magnet 16 is fixedly connected inside the socket 17 , and the replacement block 15 can be fixed by the magnet 16 .

[0034] Furthermore, in the above technical solution, the rotating assembly includes a ring gear 18, which is fixedly connected to the outside of the fixed cylinder 3, and the outside of the support 2 is rotatably connected to the center shaft 19, and the outside of the center shaft 19 is fixedly connected to the first gear 20 and the worm wheel 21, and the first gear 20 is meshed with the ring gear 18, and the outside of the support 2 is rotatably connected to the worm 22, and the worm 22 is meshed with the worm wheel 21, and the top of the worm 22 is fixedly connected to the first hand wheel 23. Through the cooperation of the worm 22 and the worm wheel 21, a limiting effect can be played to prevent the fixed cylinder 3 from rotating when processing the water pump shaft.

[0035] Further, in the above technical solution, the second fixing assembly includes a limiting sleeve 26, the limiting sleeve 26 is fixedly connected to the inside of the bracket 32, the end of the limiting sleeve 26 away from the mounting shell 4 is fixedly connected to the second threaded sleeve 29, the inside of the limiting sleeve 26 is slidably connected to the movable rod 27, the end of the movable rod 27 close to the mounting shell 4 is rotatably connected to the top block 28, the other end of the movable rod 27 is rotatably connected to the second screw 30, and the second screw 30 is threadedly sleeved in the inside of the second threaded sleeve 29, and the end of the second screw 30 away from the limiting sleeve 26 is fixedly connected to the second hand wheel 31;

[0036] The interior of the fixed cylinder 3 is fixedly connected to the top plate 24. The second screw 30 is arranged to rotate inside the second threaded sleeve 29 to push the movable rod 27 to move, so that the water pump shaft can be clamped between the top plate 24 and the top block 28, thereby fixing the water pump shaft.

[0037] Furthermore, in the above technical solution, the replacement block 15 is T-shaped, and the end of the replacement block 15 away from the clamping rod 14 is an arc shape adapted to the surface of the water pump shaft. By replacing the corresponding replacement block 15, the contact area with the surface of the water pump shaft can be increased, thereby increasing the stability of the fixation.

[0038] Furthermore, in the above technical solution, the end of the shaft 6 away from the bracket 32 ​​is hexagonal, and the shaft 6 is rotatably sleeved inside the mounting shell 4. The hexagonal shaft 6 makes it more convenient to rotate the shaft 6 using tools such as a wrench.

[0039] Furthermore, in the above technical solution, a drawer 34 is provided inside the base frame 1, and the drawer 34 can be used to store related accessory tools.

[0040] Furthermore, in the above technical solution, a non-slip pad 25 is fixedly connected to a surface of the top plate 24 close to the bracket 32 ​​.

[0041] The utility model provides a water pump shaft grinding device that prevents displacement. When in use, its working process is as follows:

[0042] When the water pump shaft needs to be ground, first place the water pump shaft between the three replacement blocks 15, then use a tool to rotate one of the rotating shafts 6, and then drive the corresponding driven gear 7 to rotate, and then drive the other two driven gears 7 to rotate through the driving gear 8, and then the other two rotating shafts 6 can be driven to rotate synchronously, and then the first threaded sleeve 10 is driven to rotate through the meshing first bevel gear 9 and the second bevel gear 12, and then the first screw rod 11 is moved toward the center of the fixed cylinder 3 under the action of the thread, and then the clamping rod 14 is pushed to slide toward the center of the fixed cylinder 3. By sliding the three clamping rods 14 toward the center of the fixed cylinder 3, the three replacement blocks 1 5 is fitted with the water pump shaft, thereby completing the preliminary fixation, and then the second hand wheel 31 is turned to drive the second screw rod 30 to rotate in the second threaded sleeve 29, and then the second screw rod 30 is conveniently moved toward the mounting shell 4 under the action of the thread, and then the second screw rod 30 pushes the movable rod 27 to slide in the limiting sleeve 26, and then the top block 28 pushes the water pump shaft, so that the water pump shaft can be clamped between the top block 28 and the top plate 24, thereby avoiding lateral movement when the water pump shaft is ground, and then the tool is used to rotate one of the rotating shafts 6 again, so that the three replacement blocks 15 can clamp the water pump shaft, thereby avoiding rotation when the water pump shaft is ground;

[0043] When the processing angle of the water pump shaft needs to be adjusted, the first hand wheel 23 is rotated, and then the worm 22 is driven to rotate, and then the center shaft 19 is driven to rotate with the cooperation of the worm gear 21, and then the first gear 20 is driven to rotate, and then the fixed cylinder 3 can be driven to rotate through the ring gear 18 meshing with the first gear 20, so that the processing angle of the water pump shaft can be adjusted, making the operation more convenient.

[0044] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pump shaft grinding device for preventing displacement, comprising a base frame (1), characterized in that: The top of the base frame (1) is fixedly connected to a support (2) and a bracket (32); a fixed cylinder (3) is rotatably sleeved inside the support (2); a mounting shell (4) is fixedly connected outside the fixed cylinder (3); a first fixing component is arranged inside the mounting shell (4); a rotating component is arranged outside the support (2); and a second fixing component is arranged inside the bracket (32); The first fixing assembly comprises a mounting plate (5), the mounting plate (5) being fixedly connected to the inside of the mounting shell (4), and the mounting plate (5) being movably sleeved on the outside of the fixing cylinder (3), the inside of the mounting plate (5) being rotatably connected to three rotating shafts (6), the outsides of the three rotating shafts (6) being fixedly connected to driven gears (7), and the three driven gears (7) being located on a side of the mounting plate (5) facing away from the bracket (32), the outside of the fixing cylinder (3) being fixedly connected to a driving gear (8), and the three driven gears (7) being meshed with the teeth of the driving gear (8); The ends of the three rotating shafts (6) close to the bracket (32) are all fixedly connected with the first bevel gear (9); the side of the mounting plate (5) close to the bracket (32) is fixedly connected with three fixing seats (33); the interiors of the three fixing seats (33) are all fixedly sleeved with first threaded sleeves (10); the exteriors of the three first threaded sleeves (10) are all fixedly connected with second bevel gears (12), and the three second bevel gears (12) are respectively meshed with the corresponding first bevel gears (9); the interiors of the three first threaded sleeves (10) are all threadedly sleeved with first screw rods (11); the side of the mounting plate (5) close to the bracket (32) is fixedly connected with three sliding sleeves (13), and the three sliding sleeves (13) are all connected with the fixing tube (3); the interiors of the three sliding sleeves (13) are all slidably sleeved with clamping rods (14), and the first screw rod (11) is fixedly connected to the end of the clamping rod (14) away from the fixing tube (3); A socket (17) is formed at one end of the clamping rod (14) away from the first screw rod (11), a replacement block (15) is movably sleeved inside the socket (17), and a magnet (16) is fixedly connected inside the socket (17).

2. A displacement-preventing water pump shaft grinding device according to claim 1, characterized in that: The rotating assembly comprises a ring gear (18), wherein the ring gear (18) is fixedly connected to the outside of the fixed cylinder (3); the outside of the support (2) is rotatably connected to a central shaft (19); the outside of the central shaft (19) is fixedly connected to a first gear (20) and a worm wheel (21), and the first gear (20) is meshed with the ring gear (18); the outside of the support (2) is rotatably connected to a worm (22), and the worm (22) is meshed with the worm wheel (21); and the top of the worm (22) is fixedly connected to a first hand wheel (23).

3. The water pump shaft grinding device for preventing displacement according to claim 1, characterized in that: The second fixing assembly comprises a limiting sleeve (26), the limiting sleeve (26) is fixedly connected to the inside of the bracket (32), the end of the limiting sleeve (26) away from the mounting shell (4) is fixedly connected to the second threaded sleeve (29), the inside of the limiting sleeve (26) is slidably connected to a movable rod (27), the end of the movable rod (27) close to the mounting shell (4) is rotatably connected to a top block (28), the other end of the movable rod (27) is rotatably connected to a second screw rod (30), and the second screw rod (30) is threadedly sleeved inside the second threaded sleeve (29), and the end of the second screw rod (30) away from the limiting sleeve (26) is fixedly connected to a second hand wheel (31); A top plate (24) is fixedly connected to the interior of the fixed cylinder (3).

4. The water pump shaft grinding device for preventing displacement according to claim 1, characterized in that: The replacement block (15) is T-shaped, and one end of the replacement block (15) away from the clamping rod (14) is in an arc shape adapted to the surface of the water pump shaft.

5. The water pump shaft grinding device for preventing displacement according to claim 1, characterized in that: The end of the rotating shaft (6) facing away from the bracket (32) is in the shape of a hexagonal prism, and the rotating shaft (6) is rotatably sleeved inside the mounting shell (4).

6. The displacement-preventing water pump shaft grinding device according to claim 1, characterized in that: A drawer (34) is arranged inside the base frame (1).

7. The water pump shaft grinding device for preventing displacement according to claim 3, characterized in that: A non-slip pad (25) is fixedly connected to one side of the top plate (24) close to the bracket (32).