Grinding machine for producing carbon dioxide delivery pump shaft

Abstract

The application relates to the technical field of carbon sequestration, in particular to a grinding machine for carbon dioxide conveying pump shaft production, which comprises a base, a controller is installed on the base, a first support is fixedly installed on one side of the base, a grinding mechanism is arranged in the first support, two slide ways which are spaced apart are fixedly installed in the base, a second support is arranged in the base, the lower end of the second support extends into the two slide ways, a first annular seat is rotatably installed in the second support, an inner groove body is arranged in the first annular seat, and a plurality of pressing rod pieces which are arranged in a circumferential array pass through the inner groove body; the grinding machine for carbon dioxide conveying pump shaft production can fix pump shafts with different shaft diameters through the fixing effect of the pressing rod pieces and the pressing blocks, the grinding machine can flexibly adapt to pump shafts with different shaft diameters, the clamp or the equipment does not need to be frequently replaced or adjusted, the flexibility and the efficiency of machining are greatly improved, and machining errors caused by clamp loosening or inaccurate positioning are effectively avoided.

Description

Technical Field

[0001] This invention relates to the field of carbon sequestration technology, and in particular to a grinding machine for producing carbon dioxide delivery pump shafts. Background Technology

[0002] Carbon sequestration is a technology aimed at reducing the concentration of carbon dioxide (CO2) in the atmosphere. It involves the process of capturing, collecting, and safely storing carbon emissions. Specifically, carbon sequestration refers to technologies that replace the direct emission of CO2 into the atmosphere by capturing and safely storing carbon. It aims to stabilize both solid and dissolved forms of carbon, thereby mitigating the trend of global warming.

[0003] In carbon sequestration technology, carbon dioxide transfer pumps are primarily used to transport captured carbon dioxide from the capture site to the storage site. During this process, the transfer pumps must overcome various factors such as pipeline resistance and gravity to ensure stable and efficient delivery of carbon dioxide to the storage site. Grinding machines are used in the production of the pump shafts for carbon dioxide transfer pumps. These machines are mainly used for precision machining of the pump shafts to achieve the required dimensional accuracy, shape accuracy, and surface quality. Grinding removes burrs, oxide layers, and other defects from the pump shaft surface, improving its wear resistance, corrosion resistance, and service life. Commonly used grinding machine types in pump shaft machining include external cylindrical grinding machines, internal cylindrical grinding machines, and surface grinding machines. The specific type of grinding machine selected depends on the size, shape, and machining requirements of the pump shaft. However, existing grinding machines used for carbon dioxide transfer pump shaft production cannot process pump shafts of different specifications. Because these grinding machines are not adaptable to different sizes of pump shafts, it may be necessary to change the grinding machine or adjust its parameters when processing pump shafts of different sizes, which will lead to production interruptions and wasted time. In addition, frequent changes of grinding machines or adjustments of parameters will increase the burden on operators and reduce overall production efficiency. To solve the above technical problems, we propose a grinding machine for the production of carbon dioxide delivery pump shafts. Summary of the Invention

[0004] The purpose of this invention is to solve the problems existing in the prior art by proposing a grinding machine for producing carbon dioxide delivery pump shafts.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a grinding machine for producing carbon dioxide delivery pump shafts, comprising a base, a controller mounted on the base, a first support fixedly mounted on one side of the base, and a grinding mechanism disposed within the first support, the grinding mechanism being used to grind the pump shaft inside.

[0006] The base has two spaced-apart slides fixedly installed inside. A second support is provided inside the base, with its lower end extending into the two slides. The lower end of the second support is slidably positioned within the slides. The slides are internally configured with cross-shaped grooves. A first annular seat is rotatably installed inside the second support. An inner groove is provided inside the first annular seat. Multiple inner rods are fixed between the inner groove and the first annular seat. Multiple pressure rods arranged in a circumferential array pass through the inner groove. Flexible anti-slip pads are fixedly connected to the ends of each pressure rod. Magnetic limiting plates are fixedly installed at the other ends of each pressure rod. Multiple electromagnets are fixedly installed inside the first annular seat, each facing the limiting plate. A rechargeable power supply is fixedly installed at the outer end of the inner groove, and the rechargeable power supply is electrically connected to the multiple electromagnets.

[0007] As a further technical solution of the present invention, a second annular seat is provided at intervals on one side of the first annular seat. The second annular seat is rotatably mounted on the second support. The second annular seat is provided with a plurality of pressure blocks arranged in a circumferential array inside. A telescopic rod is installed between each pressure block and the second annular seat. The telescopic rod is used to guide the pressure block. Two symmetrically distributed elastic plates are fixedly connected to each pressure block. The ends of the elastic plates are fixedly connected to the inner side of the second annular seat.

[0008] As a further technical solution of the present invention, one end of the pressing block is provided with an inclined surface.

[0009] As a further technical solution of the present invention, a screw is rotatably mounted on the controller housing, the screw passes through the second support and is threadedly connected to the second support, and a turntable is fixedly mounted on the end of the screw.

[0010] As a further technical solution of the present invention, an annular ring is rotatably mounted on the controller housing, a connecting frame is fixedly mounted on the annular ring, two spaced movable rods pass through the connecting frame, the movable rods can slide on the connecting frame, one end of the movable rods is fixedly connected to the inner groove, and a driving mechanism is provided on the controller housing, the driving mechanism is connected to the annular ring, and the driving mechanism is used to drive the annular ring to rotate.

[0011] As a further technical solution of the present invention, the driving mechanism includes an external gear ring, which is sleeved outside the annular ring and fixedly connected to the annular ring. A servo motor is fixedly installed on the controller housing, and a drive wheel is fixedly installed on the output shaft end of the servo motor. The drive wheel meshes with the external gear ring. The servo motor is electrically connected to the controller, and the controller is used to control the operation of the servo motor.

[0012] As a further technical solution of the present invention, a protective cover is fixedly installed on the controller housing, and the protective cover covers the drive wheel and the outer gear ring.

[0013] As a further technical solution of the present invention, the grinding mechanism includes a plurality of grinding components installed inside the first support. The plurality of grinding components are arranged in a circumferential array. Each grinding component includes a bracket located inside the first support. A power motor is fixedly installed on the bracket. A grinding wheel is fixedly installed on the output shaft end of the power motor. Guide rods are passed through the four corners of the first support. The ends of the guide rods are fixedly connected to the inside of the first support. A plurality of hydraulic cylinders are fixedly installed inside the first support. The output ends of the hydraulic cylinders are respectively fixedly connected to the bracket.

[0014] As a further technical solution of the present invention, oil tanks are fixed on both sides of the bracket, and oil filling pipes are installed on the oil tanks and detachable sealing plugs are provided at the oil filling pipes. Oil filling nozzles are connected to and fixed on the oil tanks and are all oriented towards the grinding wheel. Pipes are fixedly installed on the first support and are connected to the inner cavities of multiple oil tanks. A pressure pump is fixedly installed on the first support, and a valve is installed on the air inlet pipe of the pressure pump. The exhaust pipe of the pressure pump is connected to the pipeline, and the pressure pump pressurizes multiple oil tanks through the pipeline.

[0015] The grinding machine for producing carbon dioxide delivery pump shafts proposed in this invention has the following advantages:

[0016] The grinding machine for producing carbon dioxide delivery pump shafts disclosed in this application applies a repulsive force to the limiting plate, causing the flexible anti-slip pad at one end of the pressure rod to move toward the pump shaft. Multiple flexible anti-slip pads work together to press and fix one end of the pump shaft, while the other end of the pump shaft is fixed by multiple pressure blocks. Through the fixing action of the pressure rod and the pressure blocks, pump shafts of different diameters can be fixed. This grinding machine can flexibly adapt to pump shafts of different diameters without the need for frequent changes of fixtures or adjustments to equipment, thereby greatly improving the flexibility and efficiency of processing and effectively avoiding processing errors caused by loose fixtures or inaccurate positioning.

[0017] The grinding machine for producing carbon dioxide delivery pump shafts disclosed in this application rotates a turntable to drive a screw, adjusting the synchronous movement of the pump shaft between the first and second annular seats. This allows for adjustment of the pump shaft's horizontal position. By moving the pump shaft, the relative position between the pump shaft and the grinding mechanism can be adjusted, enabling the processing of pump shafts of different lengths. Furthermore, by moving different positions of the pump shaft within the grinding mechanism, different parts of the pump shaft can be processed. This grinding machine can process pump shafts of varying lengths while ensuring consistency in the dimensions and shape of all parts of the pump shaft.

[0018] The grinding machine for producing carbon dioxide transfer pump shafts disclosed in this application uses a pressure pump to pressurize multiple oil tanks through pipelines. Lubricating fluid is discharged from multiple grease fittings, which spray the lubricating fluid onto the surfaces of the grinding wheel and pump shaft. The lubricating fluid effectively reduces friction between the grinding wheel and pump shaft, thereby reducing energy consumption and improving grinding efficiency. The lubricating fluid also acts as a coolant, preventing material deformation or damage caused by high temperatures generated during friction, thus ensuring machining accuracy. Attached Figure Description

[0019] Figure 1 This invention presents a schematic diagram of the structure of a grinding machine for producing carbon dioxide delivery pump shafts. Figure 1 .

[0020] Figure 2 This invention presents a schematic diagram of the structure of a grinding machine for producing carbon dioxide delivery pump shafts. Figure 2 .

[0021] Figure 3 This is a partial enlarged schematic diagram of a grinding machine for producing carbon dioxide delivery pump shafts proposed in this invention. Figure 1 .

[0022] Figure 4 This is a partial enlarged schematic diagram of a grinding machine for producing carbon dioxide delivery pump shafts proposed in this invention. Figure 2 .

[0023] Figure 5 This is an enlarged schematic diagram of a portion of the mechanism in the inner groove of a grinding machine for producing carbon dioxide delivery pump shafts, as proposed in this invention.

[0024] Figure 6 This is an enlarged schematic diagram of a portion of the structure of the first annular seat of a grinding machine for producing a carbon dioxide delivery pump shaft, as proposed in this invention.

[0025] Figure 7 This is an enlarged cross-sectional view of a portion of the structure of the second annular seat of a grinding machine for producing a carbon dioxide delivery pump shaft, as proposed in this invention.

[0026] Figure 8 This is an enlarged schematic diagram of a portion of the grinding mechanism of a grinding machine for producing carbon dioxide delivery pump shafts, as proposed in this invention.

[0027] In the diagram: 1. Base; 2. Controller; 3. First support; 4. Slide; 5. Second support; 6. First annular seat; 7. Inner groove; 8. Inner rod; 9. Pressure rod; 10. Flexible anti-slip pad; 11. Limiting plate; 12. Electromagnet; 13. Power supply; 14. Second annular seat; 15. Pressure block; 16. Telescopic rod; 17. Elastic plate; 18. Inclined surface; 19. Screw; 20. Turntable; 21. Annular ring; 22. Connecting frame; 23. Movable rod; 24. External gear ring; 25. Servo motor; 26. Drive wheel; 27. Protective cover; 28. Bracket; 29. ​​Power motor; 30. Grinding wheel; 31. Guide rod; 32. Hydraulic cylinder; 33. Oil tank; 34. Oil nozzle; 35. Pipeline; 36. Pressure pump; 37. Pump shaft; 38. Transparent isolation cover. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0029] Example 1

[0030] Reference Figure 1-8 As shown, a grinding machine for producing carbon dioxide transfer pump shafts includes a base 1, a controller 2 mounted on the base 1, a first support 3 fixedly mounted on one side of the base 1, and a grinding mechanism provided inside the first support 3 for grinding the pump shaft inside. Two spaced slide rails 4 are fixedly installed inside the base 1. A second support 5 is provided inside the base 1. The lower end of the second support 5 extends into the two slide rails 4 and is slidably disposed inside the slide rails 4. The slide rails 4 are configured with cross grooves. A first annular seat 6 is rotatably installed inside the second support 5. An inner groove 7 is provided inside the first annular seat 6. Multiple inner rods 8 are fixed between the inner groove 7 and the first annular seat 6. Multiple pressure rods 9 arranged in a circular array pass through the inner groove 7. Flexible anti-slip pads 10 are fixedly connected to the ends of the pressure rods 9. A magnetic limiting piece 11 is fixedly installed at the other end of the pressure rods 9. Multiple electromagnets 12 are fixedly installed inside the first annular seat 6. The electromagnets 12 are respectively positioned facing the limiting piece 11. A rechargeable power supply 13 is fixedly installed at the outer end of the inner groove 7. The rechargeable power supply 13 is electrically connected to the multiple electromagnets 12. A second annular seat 14 is spaced apart on one side of the first annular seat 6. The second annular seat 14 is rotatably mounted on the second support 5. The second annular seat 14 contains multiple pressure blocks 15 arranged in a circular array. Telescopic rods 16 are installed between each pressure block 15 and the second annular seat 14 to guide the pressure block 15. Two symmetrically distributed elastic plates 17 are fixedly connected to each pressure block 15, with the ends of the elastic plates 17 fixedly connected to the inner side of the second annular seat 14. One end of each pressure block 15 has a bevel 18.

[0031] A schematic diagram of the device's operation can be found here. Figure 2As shown, one end of the pump shaft 37 is placed into the inner groove 7, and the other end of the pump shaft 37 is inserted into the second annular seat 14. By energizing the electromagnet 12, the electromagnet 12 applies a repulsive force to the limiting plate 11. The limiting plate 11 and the pressure rod 9 move synchronously. The flexible anti-slip pad 10 at one end of the pressure rod 9 moves toward the pump shaft 37. Multiple flexible anti-slip pads 10 cooperate to press and fix one end of the pump shaft 37. When the other end of the pump shaft 37 passes through the pressure block 15, the pump shaft 37 contacts the inclined surface 18. The pump shaft 37 applies a squeezing force to the pressure block 15, and the pressure block 15 moves to one side. The elastic plate 17 is compressed, thereby using multiple pressure blocks 15 to fix the other end of the pump shaft 37. Through the fixing action of the pressure rod 9 and the pressure block 15, pump shafts 37 with different shaft diameters can be fixed. This grinding machine can flexibly adapt to pump shafts with different shaft diameters without frequently changing fixtures or adjusting equipment, thereby greatly improving the flexibility and efficiency of processing. By precisely fixing the pump shaft, the grinding machine can ensure stability and accuracy during the machining process, effectively avoiding machining errors caused by loose fixtures or inaccurate positioning.

[0032] The controller 2 housing has a rotatable screw 19 that passes through and is threadedly connected to the second support 5. A turntable 20 is fixedly mounted at the end of the screw 19. An annular ring 21 is rotatably mounted on the controller 2 housing. A connecting frame 22 is fixedly mounted on the annular ring 21. Two spaced movable rods 23 pass through the connecting frame 22 and can slide on it. One end of each movable rod 23 is fixedly connected to the inner groove 7. A drive mechanism is provided on the controller 2 housing and connected to the annular ring 21. The drive mechanism drives the annular ring 21 to rotate. The drive mechanism includes an external gear ring 24, which is fitted around and fixedly connected to the annular ring 21. A servo motor 25 is fixedly mounted on the controller 2 housing. A drive wheel 26 is fixedly mounted on the output shaft of the servo motor 25. The drive wheel 26 meshes with the external gear ring 24. The servo motor 25 is electrically connected to the controller 2, and the controller 2 controls the operation of the servo motor 25. A protective cover 27 is fixedly installed on the housing of the controller 2, covering the drive wheel 26 and the outer gear ring 24. The protective cover 27 protects the drive wheel 26, the outer gear ring 24, the servo motor 25, and other structures.

[0033] Rotating the turntable 20 drives the screw 19 to rotate, which in turn moves the second support 5 along the slide rail 4, thereby causing other structures on the second support 5 to move synchronously. The first annular seat 6 and the second annular seat 14 on the second support 5 move synchronously, thus adjusting the synchronous movement of the pump shaft 37 between the first annular seat 6 and the second annular seat 14, which can adjust the horizontal position of the pump shaft 37. A grinding mechanism is then used to grind the pump shaft inside. One end of the pump shaft 37 extends into the grinding mechanism. By moving the pump shaft 37, the relative position between the pump shaft 37 and the grinding mechanism can be adjusted, allowing for the processing of pump shafts of different lengths. Simultaneously, by moving the pump shaft 37 to different positions within the grinding mechanism, different positions of the pump shaft 37 can be processed. This grinding machine can process pump shafts of different lengths while ensuring the consistency of the processed dimensions and shape of each part of the pump shaft.

[0034] Example 2

[0035] Reference Figure 5-8 As shown, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the grinding mechanism includes multiple grinding components installed inside the first support 3. The multiple grinding components are arranged in a circumferential array. The grinding components include a bracket 28 located inside the first support 3. A power motor 29 is fixedly installed on the bracket 28. A grinding wheel 30 is fixedly installed at the output shaft end of the power motor 29. Guide rods 31 pass through the four corners of the first support 3. The ends of the guide rods 31 are fixedly connected to the inside of the first support 3. Multiple hydraulic cylinders 32 are fixedly installed inside the first support 3. The output ends of the hydraulic cylinders 32 are respectively fixedly connected to the bracket 28.

[0036] The support 28 has oil tanks 33 fixed on both sides, each oil tank 33 equipped with a refill pipe and a removable sealing plug. Each oil tank 33 has a fixed and connected oil nozzle 34 facing the grinding wheel 30. A pipe 35 is fixedly installed on the first support 3, connecting to the inner cavities of multiple oil tanks 33. A pressure pump 36 is also fixedly installed on the first support 3, with a valve on its intake pipe and its exhaust pipe connected to the pipe 35. The pressure pump 36 pressurizes the multiple oil tanks 33 through the pipe 35. A transparent isolation cover 38 is fixedly installed on the base 1, positioned on one side of the grinding wheel 30, separating the grinding wheel 30 from the operator and providing protection.

[0037] One end of the pump shaft 37 extends into the grinding mechanism for grinding. A power motor 29 drives the grinding wheel 30 to rotate, which grinds the surface of the pump shaft 37. A hydraulic cylinder 32 moves the bracket 28 along the guide rod 31, adjusting the position of the grinding wheel 30 to process pump shafts 37 of different diameters. During processing, lubricating fluid is added to multiple oil tanks 33 for lubrication and cooling. A pressure pump 36 pressurizes the oil tanks 33 through pipelines 35, and the lubricating fluid is discharged from multiple grease fittings 34, spraying it onto the surfaces of the grinding wheel 30 and the pump shaft 37. The lubricating fluid effectively reduces friction between the grinding wheel 30 and the pump shaft 37, thus reducing energy consumption and improving grinding efficiency. The lubricating fluid also acts as a coolant, preventing material deformation or damage caused by high temperatures from friction, thereby ensuring processing accuracy.

[0038] General working principle:

[0039] One end of the pump shaft 37 is placed into the inner groove 7, and the other end of the pump shaft 37 is inserted into the second annular seat 14. By energizing the electromagnet 12, the electromagnet 12 applies a repulsive force to the limiting plate 11. The limiting plate 11 and the pressure rod 9 move synchronously. The flexible anti-slip pad 10 at one end of the pressure rod 9 moves toward the pump shaft 37. Multiple flexible anti-slip pads 10 cooperate to press and fix one end of the pump shaft 37. When the other end of the pump shaft 37 passes through the pressure block 15, the pump shaft 37 contacts the inclined surface 18. The pump shaft 37 applies a squeezing force to the pressure block 15, and the pressure block 15 moves to one side. The elastic plate 17 is compressed, thereby using multiple pressure blocks 15 to fix the other end of the pump shaft 37. Through the fixing action of the pressure rod 9 and the pressure block 15, pump shafts 37 with different shaft diameters can be fixed.

[0040] Rotating the turntable 20 drives the screw 19 to rotate, which in turn drives the second support 5 to move along the slide rail 4, thereby causing other structures on the second support 5 to move synchronously. The first annular seat 6 and the second annular seat 14 on the second support 5 move synchronously, thereby adjusting the synchronous movement of the pump shaft 37 between the first annular seat 6 and the second annular seat 14, which can adjust the horizontal position of the pump shaft 37. A grinding mechanism is used to grind the pump shaft inside. One end of the pump shaft 37 extends into the grinding mechanism. By moving the pump shaft 37, the relative position between the pump shaft 37 and the grinding mechanism can be adjusted. One end of the pump shaft 37 extends into the grinding mechanism and performs grinding work. The power motor 29 drives the grinding wheel 30 to rotate, and the grinding wheel 30 grinds the surface of the pump shaft 37. The hydraulic cylinder 32 drives the bracket 28 to move along the guide rod 31, thereby adjusting the position of the grinding wheel 30, allowing the grinding wheel 30 to process pump shafts 37 of different diameters. During the processing, lubricating fluid is added to multiple oil tanks 33 for lubrication and cooling. A pressurizing pump 36 pressurizes the multiple oil tanks 33 through pipelines 35. The lubricating fluid is discharged from multiple oil nozzles 34, which spray the lubricating fluid onto the surfaces of the grinding wheel 30 and the pump shaft 37.

[0041] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A grinding machine for producing carbon dioxide delivery pump shafts, characterized in that, Includes a base (1), on which a controller (2) is installed, and a first support (3) is fixedly installed on one side of the base (1). A grinding mechanism is provided inside the first support (3), which is used to grind the pump shaft inside. The base (1) has two spaced slide rails (4) fixedly installed inside. The base (1) has a second support (5) inside. The lower end of the second support (5) extends into the two slide rails (4). The lower end of the second support (5) is slidably disposed in the slide rails (4). The slide rails (4) are configured with cross grooves inside. The second support (5) has a first annular seat (6) rotatably installed inside. The first annular seat (6) has an inner groove (7) inside. Multiple inner rods (8) are fixed between the inner groove (7) and the first annular seat (6). The inner groove (7) is permeated with multiple pressure rods (9) arranged in a circular array. Each end of the pressure rod (9) is fixedly connected with a flexible anti-slip pad (10). The other end of the pressure rod (9) is fixedly installed with a magnetic limiting plate (11). Multiple electromagnets (12) are fixedly installed on the inner side of the first annular seat (6). The electromagnets (12) are respectively positioned facing the limiting plate (11). A rechargeable power supply (13) is fixedly installed on the outer end of the inner groove (7). The rechargeable power supply (13) is electrically connected to the multiple electromagnets (12). A second annular seat (14) is provided on one side of the first annular seat (6). The second annular seat (14) is rotatably mounted on the second support (5). The second annular seat (14) is provided with a plurality of pressure blocks (15) arranged in a circular array inside. A telescopic rod (16) is installed between the pressure block (15) and the second annular seat (14). The telescopic rod (16) is used to guide the pressure block (15). Two symmetrically distributed elastic plates (17) are fixedly connected to the pressure block (15). The ends of the elastic plates (17) are fixedly connected to the inside of the second annular seat (14).

2. The grinding machine for producing carbon dioxide delivery pump shafts according to claim 1, characterized in that, The pressure block (15) has an inclined surface (18) at one end.

3. The grinding machine for producing carbon dioxide delivery pump shafts according to claim 1, characterized in that, A screw (19) is rotatably mounted on the housing of the controller (2). The screw (19) passes through the second support (5) and is threadedly connected to the second support (5). A turntable (20) is fixedly mounted at the end of the screw (19).

4. The grinding machine for producing carbon dioxide delivery pump shafts according to claim 3, characterized in that, The controller (2) has a ring (21) rotatably mounted on its outer shell. A connecting frame (22) is fixedly mounted on the ring (21). Two spaced movable rods (23) pass through the connecting frame (22). The movable rods (23) can slide on the connecting frame (22). One end of the movable rods (23) is fixedly connected to the inner groove (7). The controller (2) has a driving mechanism on its outer shell. The driving mechanism is connected to the ring (21) and is used to drive the ring (21) to rotate.

5. The grinding machine for producing carbon dioxide delivery pump shafts according to claim 4, characterized in that, The drive mechanism includes an external gear ring (24), which is sleeved on the outside of the annular ring (21) and fixedly connected to the annular ring (21). A servo motor (25) is fixedly installed on the housing of the controller (2). A drive wheel (26) is fixedly installed on the output shaft end of the servo motor (25). The drive wheel (26) meshes with the external gear ring (24). The servo motor (25) is electrically connected to the controller (2). The controller (2) is used to control the operation of the servo motor (25).

6. The grinding machine for producing carbon dioxide delivery pump shafts according to claim 5, characterized in that, A protective cover (27) is fixedly installed on the housing of the controller (2), and the protective cover (27) covers the drive wheel (26) and the outer gear ring (24).

7. The grinding machine for producing carbon dioxide delivery pump shafts according to claim 6, characterized in that, The grinding mechanism includes multiple grinding components installed inside the first support (3). The multiple grinding components are arranged in a circumferential array. Each grinding component includes a bracket (28) located inside the first support (3). A power motor (29) is fixedly installed on the bracket (28). A grinding wheel (30) is fixedly installed at the output shaft end of the power motor (29). Guide rods (31) are passed through the four corners of the first support (3). The ends of the guide rods (31) are fixedly connected to the inside of the first support (3). Multiple hydraulic cylinders (32) are fixedly installed inside the first support (3). The output ends of the hydraulic cylinders (32) are respectively fixedly connected to the bracket (28).

8. The grinding machine for producing carbon dioxide delivery pump shafts according to claim 7, characterized in that, Oil tanks (33) are fixed on both sides of the bracket (28). Each oil tank (33) is equipped with a refill pipe and a removable sealing plug. Each oil tank (33) is connected to and fixed with an oil nozzle (34). The oil nozzles (34) are all set towards the grinding wheel (30). A pipeline (35) is fixedly installed on the first support (3). The pipeline (35) is connected to the inner cavity of multiple oil tanks (33). A pressure pump (36) is fixedly installed on the first support (3). A valve is installed on the air inlet pipe of the pressure pump (36). The exhaust pipe of the pressure pump (36) is connected to the pipeline (35). The pressure pump (36) pressurizes multiple oil tanks (33) through the pipeline (35).

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