Special turning device for water pump shell

Abstract

The invention discloses a special turning device for a water pump shell, and belongs to the technical field of water pump turning, the special turning device comprises a main body mechanism for placing the water pump shell to be turned, and the main body mechanism is provided with a turning tool mechanism for turning the water pump shell and a driving mechanism for driving the turning tool mechanism to lift and rotate; by arranging the four-station rotating mechanism capable of achieving automatic switching, continuous feeding and machining of the water pump shell are achieved, due to the matched design of a quarter gear and a shifting rod mechanism, stations are automatically switched after two times of turning, and the production efficiency is remarkably improved; the turning tool mechanism is linked with an external air pump through an inner dirt suction pipe and an outer dirt suction pipe, metal chippings are adsorbed and removed in real time in the turning process, and the situation that the machining quality is affected or a tool is damaged due to accumulation of the chippings is avoided; the center bearing, the side bearings and the rolling ball structure are arranged, friction and vibration of moving parts are reduced, it is guaranteed that equipment operates stably for a long time, and the service life is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of water pump turning, in particular to a special turning device for a water pump shell. Background Art

[0002] As a key component of the fluid conveying system, the processing accuracy of the water pump casing directly affects the sealing, durability and work efficiency of the water pump. Traditional water pump casing turning processing usually adopts general lathes or CNC lathes, but due to the complex structure and large size of the water pump casing and the need for multiple processing steps, the traditional processing method has the following shortcomings: traditional lathes can only process one workpiece at a time, and the workpiece needs to be manually replaced after processing, resulting in low production efficiency and difficulty in meeting mass production needs; workpiece clamping, tool adjustment and waste chip cleaning rely on manual operation, which is not only labor-intensive, but also easily affected by human factors. The tool feed and workpiece positioning accuracy of ordinary lathes are limited, which easily leads to substandard surface roughness or dimensional deviation, affecting the assembly performance of the water pump casing; metal debris generated during the turning process is easy to accumulate in the processing area. If not cleaned in time, it may scratch the workpiece surface or interfere with the tool movement, reducing the processing quality. Currently, some automated turning equipment on the market uses rotary tables or multi-station designs to improve efficiency. However, these systems still suffer from complex station switching mechanisms, insufficient transmission stability, and the resulting positioning errors. Furthermore, they lack efficient chip collection systems, impacting the reliability of continuous machining. Therefore, there is an urgent need for an automated device specifically designed for turning water pump casings that can achieve rapid multi-station switching, high-precision tool control, and real-time chip removal to improve machining efficiency and quality. Summary of the Invention

[0003] In response to the above technical problems, the present invention adopts the following technical solutions: a water pump housing turning device, comprising a main body for placing the water pump housing to be turned, the main body comprising a housing, a turning tool mechanism for turning the water pump housing, and a driving mechanism for driving the turning tool mechanism to lift and rotate; The driving mechanism includes an operating gear rotatably mounted on a housing, and a lifting frame is slidably mounted on the housing; The main body mechanism comprises a vertical shaft rotatably mounted in the shell, and a power gear, a top gear, a three-quarter gear and a quarter gear are fixedly mounted on the vertical shaft.

[0004] Furthermore, the main mechanism also includes a switching turntable rotatably mounted on the outer shell, on which four placement trays for placing the water pump outer shell are fixedly mounted, and an upper gear and a lower gear are rotatably mounted in the outer shell through a gear shaft, and the upper gear is engaged with a quarter gear.

[0005] Furthermore, a bottom slot plate is fixedly installed under the switching turntable, and four toggle slots are provided on the bottom slot plate. A toggle lever is rotatably installed in the outer shell, and a toggle lever gear is fixedly installed on the toggle lever, which is engaged with the lower gear. A toggle lever column is fixedly installed on the toggle lever, and when the toggle lever column enters the toggle slot, the bottom slot plate is driven to rotate by sliding the toggle lever column and the toggle slot.

[0006] Furthermore, a closing plate is slidably mounted on the shell, and a plurality of closing springs are provided between the closing plate and the shell, so that the inside of the shell is sealed by the closing plate.

[0007] When in use, the water pump casing to be turned is placed on the placement tray, and the vertical shaft rotates continuously. When the quarter gear meshes with the upper gear, the three-quarter gear does not mesh with the docking gear, and the quarter gear drives the upper gear and the lower gear to rotate, thereby driving the lever gear and the lever to rotate 180 degrees, and the lever drives the lever column to enter the toggle slot. As the lever rotates, the lever column and the toggle slot slide, driving the bottom slot plate and the switching dial to rotate 90 degrees, and then the lever column leaves the toggle slot, thereby causing the placement tray to rotate 90 degrees, and the water pump casing that has been completed by the previous turning is removed from under the turning tool mechanism, and the next water pump casing to be turned arrives under the turning tool mechanism with the placement tray. When the quarter gear meshes with the upper gear again, the lever gear and the lever rotate 180 degrees again. At this time, the lever column will not enter the toggle slot, and the switching dial will not rotate, that is, the quarter gear meshes with the upper gear twice, and the bottom slot plate and the switching dial rotate 90 degrees, so that the turning tool mechanism has enough time to perform two turning processes on the water pump casing below it.

[0008] Furthermore, the driving mechanism also includes a motor fixedly installed in the outer shell, a motor gear fixedly installed on the motor shaft of the motor, an output transmission belt wrapped around the motor gear and the power gear, a bidirectional threaded column rotatably installed in the outer shell, a bidirectional external thread is provided on the bidirectional threaded column, two inner convex balls are fixedly installed on the lifting frame, the inner convex balls slide in the bidirectional external thread of the bidirectional threaded column, a docking gear is fixedly installed on the bidirectional threaded column, and the docking gear is meshed with the three-quarter gear.

[0009] Furthermore, a transmission gear and a pinion are rotatably mounted on the housing via a gear shaft, the pinion is engaged with the top gear, and a top transmission belt is wound around the transmission gear and the operating gear.

[0010] The motor drives the motor gear to rotate, and drives the power gear, vertical shaft, three-quarter gear, top gear and quarter gear to rotate through the output transmission belt. The top gear drives the small gear and the transfer gear to rotate, and drives the working gear to rotate through the top transmission belt. When the three-quarter gear is engaged with the docking gear, the quarter gear is not engaged with the upper gear. The three-quarter gear drives the docking gear and the two-way threaded column to rotate, and the inner convex ball slides in the two-way external thread of the two-way threaded column to drive the lifting frame to rise and fall along the outer shell. Each time the three-quarter gear engages with the docking gear, it drives the lifting frame to descend to the bottom and then return to the top.

[0011] Furthermore, the turning tool mechanism includes an inner rotating column fixedly installed below the working gear, a lifting column is slidably installed outside the inner rotating column, four turning tools are fixedly installed below the lifting column, a turntable is fixedly installed on the lifting column, and a plurality of rolling balls are rotatably installed on the turntable.

[0012] Furthermore, a processing frame is fixedly installed on the lifting frame, the turntable rotates in the processing frame, the ball rolls along the groove in the processing frame, a plurality of flexible sleeves are fixedly installed on the processing frame, side bearings are rotatably installed outside the flexible sleeves, a center bearing is rotatably installed outside the lifting column, and the center bearing is in contact with the side bearings.

[0013] Furthermore, an inner sewage suction pipe is fixedly installed in the inner rotating column, a sewage suction head is fixedly installed below the inner sewage suction pipe, an outer sewage suction pipe is rotatably installed on the inner rotating column, the outer sewage suction pipe is fixedly installed with the outer shell, and the outer sewage suction pipe is connected to an external air pump.

[0014] The rotation of the working gear drives the inner rotating column to rotate, and the inner rotating column drives the lifting column and the turning tool to rotate. The center bearing and side bearings provide support for the inner rotating column and reduce the friction of the lifting column rotation. The friction is further reduced by multiple balls. The lifting frame drives the processing frame to move up and down, thereby driving the lifting column and the turning tool to move up and down. The lifting column slides up and down relative to the inner rotating column, and the water pump housing below it is turned by the turning tool. During processing, the external air pump removes the residue and other debris produced by cutting through the external suction pipe, the internal suction pipe and the suction head. The lifting frame is lifted and lowered twice, and the switching turntable rotates ninety degrees. That is, after the turning tool has turned the water pump housing twice, the water pump housing leaves the bottom of the turning tool along the switching turntable. The quality of the water pump housing turning is improved through two turnings.

[0015] Compared with the prior art, the present invention has the following advantages: (1) The present invention realizes continuous loading and processing of the water pump housing by setting up a four-station rotating mechanism that can be switched automatically. The coordinated design of the quarter gear and the lever mechanism enables the station to be automatically switched after every two turnings, which reduces manual intervention, significantly improves production efficiency, and is suitable for batch processing; (2) The turning tool mechanism provided by the present invention adopts a double turning process, that is, each workpiece is turned twice, and is combined with a gear transmission system to ensure that the lifting and rotating motion of the tool is stable and controllable, effectively reducing processing errors and improving the dimensional accuracy and surface finish of the water pump housing; (3) The turning tool mechanism provided by the present invention is linked to the external air pump through the internal suction pipe and the external suction pipe, and absorbs and removes metal debris in real time during the turning process, avoiding the accumulation of waste chips affecting the processing quality or damaging the tool, while reducing the frequency of manual cleaning and improving the reliability of continuous operation of the equipment; (4) The center bearing, side bearing, and ball structure provided by the turning tool mechanism provided by the present invention reduce the friction and vibration of the moving parts, ensure that the equipment runs smoothly for a long time, and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 The main structure of the present invention is shown in FIG. Figure 1 .

[0018] Figure 3 The main structure of the present invention is shown in FIG. Figure 2 .

[0019] Figure 4 The main structure of the present invention is shown in FIG. Figure 3 .

[0020] Figure 5 Schematic diagram of the driving mechanism structure of the present invention Figure 1 .

[0021] Figure 6 Schematic diagram of the driving mechanism structure of the present invention Figure 2 .

[0022] Figure 7 Schematic diagram of the driving mechanism structure of the present invention Figure 3 .

[0023] Figure 8 The turning tool mechanism structure of the present invention is shown in FIG. Figure 1 .

[0024] Figure 9 The turning tool mechanism structure of the present invention is shown in FIG. Figure 2 .

[0025] Figure 10 The turning tool mechanism structure of the present invention is shown in FIG. Figure 3 .

[0026] Figure 11 The turning tool mechanism structure of the present invention is shown in FIG. Figure 4 .

[0027] Reference numerals: 101 - housing; 102 - switching dial; 103 - placement tray; 104 - closing plate; 105 - closing spring; 106 - bottom slot plate; 107 - lever gear; 108 - upper gear; 109 - lower gear; 110 - vertical shaft; 111 - quarter gear; 112 - three-quarter gear; 113 - power gear; 114 - top gear; 115 - lever; 116 - lever column; 117 - toggle slot; 201 - motor; 202 - motor gear; 203 - output Output transmission belt; 204-two-way threaded column; 205-docking gear; 206-pinion; 207-transmission gear; 208-operating gear; 209-top transmission belt; 210-lifting frame; 211-inner convex ball; 301-processing frame; 302-center bearing; 303-flexible sleeve; 304-side bearing; 305-turntable; 306-rolling ball; 307-lifting column; 308-turning tool; 309-inner rotating column; 310-sewage suction head; 311-inner sewage suction pipe; 312-outer sewage suction pipe. DETAILED DESCRIPTION

[0028] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0029] Example: Reference Figures 1-11 A turning device for a water pump housing includes a main body for placing the water pump housing to be turned, the main body including a housing 101, a turning tool mechanism for turning the water pump housing, and a driving mechanism for driving the turning tool mechanism to rise and fall and rotate. The driving mechanism includes an operating gear 208 rotatably mounted on the housing 101 , and a lifting frame 210 is slidably mounted on the housing 101 ; The main mechanism includes a vertical shaft 110 rotatably mounted in the housing 101 , and a power gear 113 , a top gear 114 , a three-quarter gear 112 and a quarter gear 111 are fixedly mounted on the vertical shaft 110 .

[0030] like Figure 2-Figure 4 As shown, the main mechanism also includes a switching turntable 102 rotatably mounted on the outer shell 101, on which four placement trays 103 for placing the water pump outer shell are fixedly mounted, and an upper gear 108 and a lower gear 109 are rotatably mounted in the outer shell 101 through a gear shaft, and the upper gear 108 is engaged with a quarter gear 111.

[0031] like Figure 2-Figure 4As shown, a bottom slot plate 106 is fixedly installed below the switching dial 102, and four toggle slots 117 are provided on the bottom slot plate 106. A toggle lever 115 is rotatably installed in the outer shell 101, and a toggle lever gear 107 is fixedly installed on the toggle lever 115. The toggle lever gear 107 is engaged with the lower gear 109, and a toggle lever column 116 is fixedly installed on the toggle lever 115. When the toggle lever column 116 enters the toggle slot 117, the bottom slot plate 106 is driven to rotate by sliding between the toggle lever column 116 and the toggle slot 117.

[0032] like Figure 2-Figure 4 As shown, a closing plate 104 is slidably mounted on the housing 101 , and a plurality of closing springs 105 are provided between the closing plate 104 and the housing 101 , so that the interior of the housing 101 is sealed by the closing plate 104 .

[0033] When in use, the water pump housing to be turned is placed on the placement tray 103, and the vertical shaft 110 rotates continuously. When the quarter gear 111 is engaged with the upper gear 108, the three-quarter gear 112 is not engaged with the docking gear 205. The quarter gear 111 drives the upper gear 108 and the lower gear 109 to rotate, thereby driving the lever gear 107 and the lever 115 to rotate 180 degrees. The lever 115 drives the lever column 116 to enter the toggle groove 117. As the lever 115 rotates and the lever column 116 slides with the toggle groove 117, the bottom groove plate 106 and the switching dial 102 are driven to rotate 90 degrees. Then the lever column 116 leaves the toggle groove 117. As a result, the placement tray 103 is rotated ninety degrees, and the water pump housing that has been turned on is removed from under the turning tool mechanism, and the next water pump housing to be turned arrives under the turning tool mechanism along with the placement tray 103. When the quarter gear 111 is engaged with the upper gear 108 again, the shift lever gear 107 and the shift lever 115 are rotated one hundred and eighty degrees again. At this time, the shift lever column 116 will not enter the shift slot 117, and the switching dial 102 will not rotate, that is, the quarter gear 111 is engaged with the upper gear 108 twice, and the bottom slot plate 106 and the switching dial 102 are rotated ninety degrees, so that the turning tool mechanism has enough time to perform two turning processes on the water pump housing below it.

[0034] like Figure 5-Figure 7 As shown, the drive mechanism also includes a motor 201 fixedly mounted in the housing 101, a motor gear 202 fixedly mounted on the motor shaft of the motor 201, an output transmission belt 203 wrapped around the motor gear 202 and the power gear 113, a bidirectional threaded column 204 is rotatably mounted in the housing 101, and a bidirectional external thread is provided on the bidirectional threaded column 204, two inner convex balls 211 are fixedly mounted on the lifting frame 210, the inner convex balls 211 slide in the bidirectional external thread of the bidirectional threaded column 204, a docking gear 205 is fixedly mounted on the bidirectional threaded column 204, and the docking gear 205 is engaged with the three-quarter gear 112.

[0035] like Figure 5-Figure 7 As shown, a transmission gear 207 and a pinion 206 are rotatably mounted on the housing 101 via a gear shaft. The pinion 206 is engaged with the top gear 114 . A top transmission belt 209 is wound around the transmission gear 207 and the working gear 208 .

[0036] The motor 201 drives the motor gear 202 to rotate, and drives the power gear 113, the vertical shaft 110, the three-quarter gear 112, the top gear 114 and the quarter gear 111 to rotate through the output transmission belt 203. The top gear 114 drives the small gear 206 and the transfer gear 207 to rotate, and drives the working gear 208 to rotate through the top transmission belt 209. When the three-quarter gear 112 is engaged with the docking gear 205, the quarter gear 111 is not engaged with the upper gear 108. The three-quarter gear 112 drives the docking gear 205 and the two-way threaded column 204 to rotate, and the inner convex ball 211 slides in the two-way external thread of the two-way threaded column 204, driving the lifting frame 210 to rise and fall along the housing 101. Each time the three-quarter gear 112 engages with the docking gear 205, it drives the lifting frame 210 to descend to the bottom and then return to the top.

[0037] like Figures 8-11 As shown, the turning tool mechanism includes an inner rotating column 309 fixedly mounted below the working gear 208, a lifting column 307 is slidably mounted outside the inner rotating column 309, four turning tools 308 are fixedly mounted below the lifting column 307, a turntable 305 is fixedly mounted on the lifting column 307, and a plurality of rolling balls 306 are rotatably mounted on the turntable 305.

[0038] like Figures 8-11 As shown, a processing frame 301 is fixedly mounted on the lifting frame 210, a turntable 305 rotates inside the processing frame 301, and a ball 306 rolls along the groove inside the processing frame 301. A plurality of flexible sleeves 303 are fixedly mounted on the processing frame 301, and side bearings 304 are rotatably mounted on the outside of the flexible sleeves 303. A center bearing 302 is rotatably mounted on the outside of the lifting column 307, and the center bearing 302 is in contact with the side bearings 304.

[0039] like Figures 8-11 As shown, an inner sewage suction pipe 311 is fixedly installed in the inner rotating column 309, a sewage suction head 310 is fixedly installed below the inner sewage suction pipe 311, an outer sewage suction pipe 312 is rotatably installed on the inner rotating column 309, the outer sewage suction pipe 312 is fixedly installed on the outer shell 101, and the outer sewage suction pipe 312 is connected to an external air pump.

[0040] The working gear 208 rotates to drive the inner rotating column 309 to rotate, and the inner rotating column 309 drives the lifting column 307 and the turning tool 308 to rotate. The central bearing 302 and the side bearing 304 provide support for the inner rotating column 309 and reduce the friction of the lifting column 307. The friction is further reduced by multiple rolling balls 306. The lifting frame 210 is raised and lowered to drive the processing frame 301 to rise and fall, thereby driving the lifting column 307 and the turning tool 308 to rise and fall. The lifting column 307 is relative to the inner rotating column 309. It slides downward and uses the turning tool 308 to turn the water pump housing below it. During processing, the external air pump removes the residue and other debris produced by cutting through the external suction pipe 312, the internal suction pipe 311 and the suction head 310. The lifting frame 210 is lifted and lowered twice and the switching turntable 102 is rotated ninety degrees. That is, after the turning tool 308 turns the water pump housing twice, the water pump housing leaves the bottom of the turning tool 308 along with the switching turntable 102. The quality of the turning of the water pump housing is improved through two turning operations.

[0041] The working principle of a special turning device for water pump casing disclosed in the present invention is as follows: when in use, the water pump casing to be turned is placed on the placing tray 103, the motor 201 drives the motor gear 202 to rotate, and drives the power gear 113, the vertical shaft 110, the three-quarter gear 112, the top gear 114 and the quarter gear 111 to rotate through the output transmission belt 203, the top gear 114 drives the small gear 206 and the transmission gear 207 to rotate, and drives the working gear 208 to rotate through the top transmission belt 209, and the vertical shaft 110 rotates continuously. When the quarter gear 111 is engaged with the upper gear 108, the three-quarter gear 112 is not engaged with the docking gear 205, and the quarter gear 111 drives the upper gear 108 and the lower gear 109 to rotate, thereby driving the shift lever gear 107 and the shift lever 115 to rotate 180 degrees, and the shift lever 115 drives the shift lever column 116 to enter the shift lever position. The lever column 116 does not enter the toggle slot 117 at this time, and the switching turntable 102 does not rotate. That is, the quarter gear 111 is engaged with the upper gear 108 twice, and the bottom slot plate 106 and the switching turntable 102 rotate ninety degrees, so that the turning tool mechanism has enough time to perform two turning processes on the water pump housing below it. When the three-quarter gear 112 is engaged with the docking gear 205, the quarter gear 111 is not engaged with the upper gear 108. The three-quarter gear 112 drives the docking gear 205 and the bidirectional threaded column 204 to rotate, and the inner convex ball 211 slides in the bidirectional external thread of the bidirectional threaded column 204, driving the lifting frame 210 to rise and fall along the housing 101. Each time the three-quarter gear 112 engages with the docking gear 205, it drives the lifting frame 210 to descend to the bottom and then return to the top.The working gear 208 rotates to drive the inner rotating column 309 to rotate, and the inner rotating column 309 drives the lifting column 307 and the turning tool 308 to rotate. The central bearing 302 and the side bearing 304 provide support for the inner rotating column 309 and reduce the friction of the lifting column 307. The friction is further reduced by multiple rolling balls 306. The lifting frame 210 is raised and lowered to drive the processing frame 301 to rise and fall, thereby driving the lifting column 307 and the turning tool 308 to rise and fall. The lifting column 307 is relative to the inner rotating column 309. It slides downward and uses the turning tool 308 to turn the water pump housing below it. During processing, the external air pump removes the residue and other debris produced by cutting through the external suction pipe 312, the internal suction pipe 311 and the suction head 310. The lifting frame 210 is lifted and lowered twice and the switching turntable 102 is rotated ninety degrees. That is, after the turning tool 308 turns the water pump housing twice, the water pump housing leaves the bottom of the turning tool 308 along with the switching turntable 102. The quality of the turning of the water pump housing is improved through two turning operations.

[0042] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and inventive concept of the present invention within the technical scope of the present invention, which should be covered by the scope of protection of the present invention.

Claims

1. A water pump housing turning device, comprising a main body for placing the water pump housing to be turned, characterized in that: The main body mechanism comprises a housing (101), and a turning tool mechanism for turning the water pump housing and a driving mechanism for driving the turning tool mechanism to rise, fall and rotate are provided on the main body mechanism; The driving mechanism comprises an operating gear (208) rotatably mounted on the housing (101), and a lifting frame (210) is slidably mounted on the housing (101); The main body mechanism comprises a vertical shaft (110) rotatably mounted in the housing (101), and a power gear (113), a top gear (114), a three-quarter gear (112) and a quarter gear (111) are fixedly mounted on the vertical shaft (110).

2. A water pump housing turning device according to claim 1, characterized in that: The main mechanism further comprises a switching turntable (102) rotatably mounted on the housing (101); four placement supports (103) for placing the water pump housing are fixedly mounted on the switching turntable (102); an upper gear (108) and a lower gear (109) are rotatably mounted in the housing (101) via a gear shaft; the upper gear (108) is meshed with a quarter gear (111).

3. A water pump housing turning device according to claim 2, characterized in that: A bottom slot disk (106) is fixedly mounted below the switching turntable (102), and four toggle slots (117) are provided on the bottom slot disk (106). A toggle lever (115) is rotatably mounted in the housing (101), and a toggle lever gear (107) is fixedly mounted on the toggle lever (115). The toggle lever gear (107) is meshed with the lower gear (109), and a toggle lever column (116) is fixedly mounted on the toggle lever (115). When the toggle lever column (116) enters the toggle slot (117), the bottom slot disk (106) is driven to rotate by sliding between the toggle lever column (116) and the toggle slot (117).

4. A water pump housing turning device according to claim 3, characterized in that: A closing plate (104) is slidably mounted on the housing (101), and a plurality of closing springs (105) are provided between the closing plate (104) and the housing (101), so that the interior of the housing (101) is sealed by the closing plate (104).

5. The water pump housing turning device according to claim 1, characterized in that: The driving mechanism further comprises a motor (201) fixedly mounted in the housing (101), a motor gear (202) fixedly mounted on the motor shaft of the motor (201), an output transmission belt (203) wound around the motor gear (202) and the power gear (113), a bidirectional threaded column (204) rotatably mounted in the housing (101), the bidirectional threaded column (204) being provided with a bidirectional external thread, two inner convex balls (211) fixedly mounted on the lifting frame (210), the inner convex balls (211) sliding in the bidirectional external thread of the bidirectional threaded column (204), a docking gear (205) fixedly mounted on the bidirectional threaded column (204), the docking gear (205) meshing with the three-quarter gear (112).

6. A water pump housing turning device according to claim 5, characterized in that: A transmission gear (207) and a pinion gear (206) are rotatably mounted on the housing (101) via a gear shaft. The pinion gear (206) is meshed with the top gear (114). A top transmission belt (209) is wound around the transmission gear (207) and the operating gear (208).

7. The water pump housing turning device according to claim 1, characterized in that: The turning tool mechanism comprises an inner rotating column (309) fixedly mounted below the working gear (208); a lifting column (307) is slidably mounted outside the inner rotating column (309); four turning tools (308) are fixedly mounted below the lifting column (307); a turntable (305) is fixedly mounted on the lifting column (307); and a plurality of rolling balls (306) are rotatably mounted on the turntable (305).

8. A water pump housing turning device according to claim 7, characterized in that: A processing frame (301) is fixedly mounted on the lifting frame (210), a turntable (305) rotates in the processing frame (301), and a rolling ball (306) rolls along a groove in the processing frame (301). A plurality of flexible sleeves (303) are fixedly mounted on the processing frame (301), side bearings (304) are rotatably mounted on the outside of the flexible sleeves (303), and a central bearing (302) is rotatably mounted on the outside of the lifting column (307), and the central bearing (302) is in contact with the side bearings (304).

9. A water pump housing turning device according to claim 8, characterized in that: An inner sewage suction pipe (311) is fixedly installed in the inner rotating column (309), a sewage suction head (310) is fixedly installed below the inner sewage suction pipe (311), an outer sewage suction pipe (312) is rotatably installed on the inner rotating column (309), the outer sewage suction pipe (312) is fixedly installed on the outer shell (101), and the outer sewage suction pipe (312) is connected to an external air pump.

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