A pump parts contour cutting workbench

Abstract

The present invention discloses a pump component contour cutting processing workbench in the field of pump component processing technology, including a cutting table and a cutting assembly. The cutting table includes: a first support seat, a positioning table fixedly connected to the top of the first support seat; an annular seat, four tracks distributed in an annular array fixedly connected to the inner ring surface of the annular seat, and positioning seats are slidably provided on the four tracks. The present invention pushes the four positioning seats through the pneumatic assembly, so that the four positioning seats move on the four tracks until the clamping plate clamps the inner wall of the pump cover. During the clamping process, the clamping plate presses the pressure sensor, and the pressure sensor detects the pressure. The pressure detected by the pressure sensor is the clamping force of the clamping plate on the inner wall of the pump cover, thereby realizing the monitoring of the clamping force and adjusting the air pressure value of the pneumatic assembly according to the need of the clamping force, thereby helping to avoid the situation where the pump cover is deformed due to excessive clamping force, and providing favorable conditions for cutting the contour.

Description

Technical Field

[0001] The invention relates to the technical field of pump component processing, in particular to a pump component contour cutting processing workbench. Background Art

[0002] During the process of processing the pump cover, the cutting table needs to clamp the inside of the pump cover so that the outer surface of the pump cover is exposed. During the clamping process, rigid clamping is mostly used. During the clamping process, it is not convenient to monitor the clamping force. Excessive clamping force will cause deformation of the pump cover and affect the accuracy of the cutting component in cutting the surface contour of the pump cover.

[0003] Based on this, the present invention designs a pump component contour cutting workbench to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a pump component contour cutting workbench to solve the problem raised in the above background technology that rigid clamping is mostly used in the clamping process, which makes it inconvenient to monitor the clamping force. Excessive clamping force will cause deformation of the pump cover and affect the accuracy of the cutting assembly in cutting the surface contour of the pump cover.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a pump component contour cutting workbench, comprising a cutting table and a cutting assembly, wherein the cutting table comprises:

[0006] A first support seat, wherein a positioning platform is fixedly connected to the top of the first support seat, and a through opening is formed on the positioning platform;

[0007] An annular seat, the annular seat is rotatably connected to the top end of the first support seat and is opposite to the through opening, four tracks distributed in an annular array are fixedly connected to the inner annular surface of the annular seat, and positioning seats are slidably provided on the four tracks. A mounting groove is opened on the surface of the positioning seat, and a connecting seat is slidably provided in the mounting groove. The connecting seat is fixedly connected to the clamping plate after passing through the mounting groove;

[0008] A pressure sensor, the pressure sensor being fixedly mounted on the inner wall of the mounting groove, with a detection end in contact with the connecting seat;

[0009] The pneumatic component is used to push the four connecting seats to move, so that the clamping plates on the four connecting seats clamp the inner wall of the pump cover.

[0010] As a technical solution of the present invention, the pneumatic assembly includes a connecting plate, the connecting plate is fixedly connected to the inner wall of the through port, the top of the connecting plate is rotatably connected to a plug pin, an annular vent shell is fixedly connected to the surface of the plug pin, the annular vent shell is fixedly connected to four tracks, four tube bodies distributed in an annular array are fixedly connected to the surface of the annular vent shell, a first piston plate is slidably provided inside the tube body, a piston rod is fixedly connected to the surface of the first piston plate, and the end of the piston rod is fixedly connected to the positioning seat;

[0011] The bottom of the annular vent shell is rotatably connected to an annular plate, the bottom of the annular plate is fixedly connected to an external pipeline, and a pressure regulating valve is fixedly installed on the external pipeline.

[0012] As a technical solution of the present invention, it also includes a controller, which is used to control the pressure regulating valve to adjust the air pressure according to the pressure information detected by the pressure sensor.

[0013] As a technical solution of the present invention, a ventilation cavity is provided at the top of the plug pin, and two mounting openings are provided at the top of the inner wall of the ventilation cavity, a support slider is fixedly connected in the mounting opening, and a pressure block is provided in each of the two mounting openings, and an inclined groove is provided on the surface of the pressure block, and the inclined groove is slidably provided on the surface of the support slider, and a linkage plate is slidably inserted on the two pressure blocks, and the bottoms of the two linkage plates are provided with slots, and pushing blocks are provided in the two slots, and both ends of the pushing block are provided with inclined surfaces, and the two inclined surfaces are in contact with the top of the inner wall of the slot, and a limiting plate is slidably inserted between the two linkage plates, and the limiting plate is fixedly connected to the inner wall of the mounting opening, and a pushing component is provided in the mounting opening, and the pushing component is used to provide pushing power to the pushing block.

[0014] As a technical solution of the present invention, the pushing assembly includes a second piston plate and two air vents. The second piston plate is slidably arranged on the inner wall of the ventilation cavity. The top of the second piston plate is fixedly connected to the pushing block. The two air vents pass through the plug pin and the annular ventilation shell, so that the ventilation cavity is connected to the inner cavity of the annular ventilation shell.

[0015] As a technical solution of the present invention, a sliding groove is provided on the surface of the linkage plate, a connecting slider is slidably connected in the sliding groove, and the connecting slider is fixedly connected to the pressing block.

[0016] As a technical solution of the present invention, an annular slide rail is fixedly installed on the top of the positioning platform, and an annular groove slidably connected to the annular slide rail is provided on the inner annular surface of the annular seat.

[0017] As a technical solution of the present invention, a rotation drive assembly for driving the annular seat to rotate is also provided on the top of the positioning platform. The rotation drive assembly includes a first motor and a gear ring. The first motor is fixedly installed on the top of the positioning platform. The output end of the first motor is fixedly connected to a driving gear. The gear ring is fixedly sleeved on the surface of the annular seat, and the gear ring is engaged with the driving gear.

[0018] As a technical solution of the present invention, four support columns are fixedly connected between the positioning platform and the first support seat, so that a clearance space is left between the first support seat and the positioning platform, and the external pipe passes through the opening and the clearance space in sequence.

[0019] As a technical solution of the present invention, the cutting assembly includes a support frame, a first adjustment seat is slidably provided on the support frame, a second adjustment seat is slidably provided on the first adjustment seat, a second motor is fixedly mounted on the second adjustment seat, and a cutting head is fixedly connected to the output end of the second motor.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The four positioning seats are pushed by the pneumatic components, so that the four positioning seats move on the four tracks until the clamping plate clamps the inner wall of the pump cover. During the clamping process, the clamping plate will press the pressure sensor, and the pressure sensor will detect the pressure. The pressure detected by the pressure sensor is the clamping force of the clamping plate on the inner wall of the pump cover, which realizes the monitoring of the clamping force and adjusts the air pressure value of the pneumatic component according to the need of the clamping force, which helps to avoid the deformation of the pump cover caused by excessive clamping force, and provides favorable conditions for cutting the contour.

[0022] 2. Compressed air enters the annular vent shell through the pressure regulating valve. The air pressure will act on the pipe body connected to the annular vent shell, thereby pushing the piston rod to generate clamping force. By adjusting the air pressure through the pressure regulating valve, the strength of the clamping force can be controlled, which helps to avoid deformation of the workpiece due to overload.

[0023] 3. The connecting end on the top of the pump cover will be plugged into the surface of the plug pin. After gas with a certain pressure is introduced into the annular vent shell, the air pressure will act on the second piston plate, and the second piston plate will push the push block. The two inclined surfaces of the push block will push the two linkage plates away from each other. The two linkage plates will drive the two pressure blocks to move away from each other. The two pressure blocks will move obliquely with the cooperation of the inclined groove and the supporting slider until the top of the pump cover is pressed down. In the process of clamping the inner wall of the pump cover, the linkage pressure block presses the top of the pump cover, which is conducive to ensuring the stability of the pump cover during the cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 for Figure 1 Enlarged view of part A;

[0026] Figure 3 It is a structural schematic diagram of the second piston plate, the push block, the linkage plate and the pressure block of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the plug pin, annular vent shell, track and positioning seat of the present invention;

[0028] Figure 5 It is a structural cross-sectional view of the plug pin, annular vent shell, track and positioning seat of the present invention;

[0029] Figure 6 It is a structural schematic diagram of the annular seat and the annular slide rail of the present invention;

[0030] Figure 7 It is a structural schematic diagram of the first support seat and positioning platform of the present invention.

[0031] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0032] First support seat 1, positioning platform 2, support column 3, through port 4, annular seat 5, track 6, positioning seat 7, mounting groove 8, connecting seat 9, clamping plate 10, pressure sensor 11, connecting plate 12, plug pin 13, annular vent shell 14, tube body 15, first piston plate 16, piston rod 17, annular plate 18, external pipeline 19, pressure regulating valve 20, controller 21, ventilation cavity 22, mounting port 23, support slider 24, pressure block 25, inclined groove 26, linkage plate 27, notch 28, push block 29, limit plate 30, second piston plate 31, vent 32, slide groove 33, connecting slider 34, annular slide rail 35, annular groove 36, first motor 37, gear ring 38, support frame 39, first adjusting seat 40, second adjusting seat 41, second motor 42, cutting head 43, support platform 44, drive gear 45, end cover 46, pump cover 47, overlap ring 48. DETAILED DESCRIPTION

[0033] like Figures 1 to 7 As shown, in one embodiment, a pump component contour cutting workbench includes a cutting table and a cutting assembly, wherein the cutting table includes:

[0034] A first support base 1, a positioning platform 2 is fixedly connected to the top of the first support base 1, and a through opening 4 is opened on the positioning platform 2;

[0035] The annular seat 5 is rotatably connected to the top of the first support seat 1 and is opposite to the through-port 4. Four tracks 6 distributed in an annular array are fixedly connected to the inner annular surface of the annular seat 5. Positioning seats 7 are slidably provided on the four tracks 6. A mounting groove 8 is provided on the surface of the positioning seat 7. A connecting seat 9 is slidably provided in the mounting groove 8. The connecting seat 9 passes through the mounting groove 8 and is fixedly connected to a clamping plate 10;

[0036] The pressure sensor 11 is fixedly mounted on the inner wall of the mounting groove 8, and the detection end is in contact with the connecting seat 9;

[0037] Pneumatic assembly, the pneumatic assembly is used to push the four connecting seats 9 to move, so that the clamping plates 10 on the four connecting seats 9 clamp the inner wall of the pump cover 47.

[0038] The pneumatic assembly includes a connecting plate 12, which is fixedly connected to the inner wall of the through-port 4. A plug pin 13 is rotatably connected to the top of the connecting plate 12. An annular vent shell 14 is fixedly connected to the surface of the plug pin 13. The annular vent shell 14 is fixedly connected to the four tracks 6. Four tube bodies 15 distributed in an annular array are fixedly connected to the surface of the annular vent shell 14. A first piston plate 16 is slidably provided inside the tube body 15. A piston rod 17 is fixedly connected to the surface of the first piston plate 16. The end of the piston rod 17 is fixedly connected to the positioning seat 7.

[0039] The bottom of the annular vent shell 14 is rotatably connected to an annular plate 18 , and the bottom of the annular plate 18 is fixedly connected to an external pipe 19 , on which a pressure regulating valve 20 is fixedly installed.

[0040] Specifically, a rubber sheet is pasted on the clamping surface of the clamping plate 10 .

[0041] It should be understood that in the process of machining the pump cover 47, the existing cutting table needs to clamp the inside of the pump cover 47 so that the outer surface of the pump cover 47 is exposed. In the clamping process, rigid clamping is often used. During the clamping process, it is not convenient to monitor the clamping force. Excessive clamping force may cause deformation of the pump cover 47, affecting the accuracy of the cutting assembly in cutting the surface profile of the pump cover 47. This embodiment can solve the above problem. The specific cutting process is as follows:

[0042] First, the pump cover 47 is set on the four positioning seats 7, and then the four positioning seats 7 are pushed by the pneumatic assembly, so that the four positioning seats 7 move on the four rails 6 until the clamping plate 10 clamps the inner wall of the pump cover 47. During the clamping process, the clamping plate 10 presses the pressure sensor 11, and the pressure sensor 11 detects the pressure. The pressure detected by the pressure sensor 11 is the clamping force of the clamping plate 10 on the inner wall of the pump cover 47, which realizes the monitoring of the clamping force and adjusts the air pressure value of the pneumatic assembly according to the need of the clamping force, thereby preventing the deformation of the pump cover 47 caused by excessive clamping force, providing favorable conditions for cutting the contour, and ensuring the accuracy of the cutting of the surface contour of the pump cover 47 by the cutting assembly;

[0043] Then, after the pump cover 47 is clamped, the annular seat 5 can be rotated so that the annular seat 5 drives the track 6, the track 6 drives the annular vent shell 14, the annular vent shell 14 drives the plug pin 13 to rotate, and then drives the pump cover 47 to rotate, so as to adjust the required cutting position of the pump cover 47.

[0044] The method of ventilating the pneumatic components is: a pressure regulating valve 20 is connected through an external pipe 19, the pressure regulating valve 20 is connected to the external pressurized air flow, and then the pressure of the air that can enter the external pipe 19 is controlled by the pressure regulating valve 20.

[0045] The annular plate 18 is rotatably connected to the bottom end of the annular vent shell 14 , so that the annular vent shell 14 maintains freedom with the external pipe 19 during rotation, thereby preventing the external pipe 19 from restricting the rotation of the annular vent shell 14 .

[0046] like Figure 1 As shown, in one embodiment, a controller 21 is further included. The controller 21 is used to control the pressure regulating valve 20 to adjust the air pressure according to the pressure information detected by the pressure sensor 11.

[0047] It should be understood that by setting up the controller 21, the controller 21 can judge the clamping force through the pressure value detected by the pressure sensor 11, and actively control the pressure regulating valve 20 according to the pressure value information. The specific control process is: the pressure sensor 11 will send the pressure value information to the controller 21. After receiving the pressure value information, the controller 21 generates control information. The control information requests the pressure regulating valve 20 to adjust the pressure threshold. When the clamping force is too large, the pressure regulating valve 20 is controlled to lower the pressure threshold, so that the air pressure in the air pressure annular vent shell 14 is reduced, and then The air pressure value applied to the first piston plate 16 is reduced, and the first piston plate 16 reduces the pushing force of the connecting seat 9 through the piston rod 17, thereby reducing the force of the connecting seat 9 on the clamping plate 10, thereby reducing the clamping force. When the clamping force is too small, the pressure regulating valve 20 is controlled to increase the pressure threshold, so that the air pressure in the annular vent shell 14 is increased, and the air pressure value applied to the first piston plate 16 is increased. The first piston plate 16 increases the pushing force of the connecting seat 9 through the piston rod 17, thereby increasing the force of the connecting seat 9 on the clamping plate 10, thereby increasing the clamping force.

[0048] Specifically, a support platform 44 is fixedly installed on the bottom of the first support seat 1 , and the controller 21 is fixedly installed on the surface of the support frame 39 .

[0049] like Figure 1 、 Figure 2 、 Figure 4 and Figure 5 As shown, in one embodiment, a ventilation cavity 22 is provided at the top of the plug pin 13, and two mounting openings 23 are provided at the top of the inner wall of the ventilation cavity 22. A support slider 24 is fixedly connected in the mounting opening 23, and a pressure block 25 is provided in each of the two mounting openings 23. An inclined groove 26 is provided on the surface of the pressure block 25, and the inclined groove 26 is slidably provided on the surface of the support slider 24. Linkage plates 27 are slidably inserted on the two pressure blocks 25, and notches 28 are provided at the bottom of the two linkage plates 27. Pushing blocks 29 are provided in the two notches 28. Both ends of the pushing block 29 are provided with inclined surfaces, and the two inclined surfaces are in contact with the top of the inner wall of the notch 28. A limiting plate 30 is slidably inserted between the two linkage plates 27, and the limiting plate 30 is fixedly connected to the inner wall of the mounting opening 23. A pushing component is provided in the mounting opening 23, and the pushing component is used to provide pushing power to the pushing block 29.

[0050] The pushing assembly includes a second piston plate 31 and two air vents 32. The second piston plate 31 is slidably set on the inner wall of the ventilation chamber 22. The top of the second piston plate 31 is fixedly connected to the pushing block 29. The two air vents 32 pass through the plug pin 13 and the annular ventilation shell 14, so that the ventilation chamber 22 is connected to the inner cavity of the annular ventilation shell 14.

[0051] It should be understood that the connecting end at the top of the pump cover 47 will be plugged into the surface of the plug pin 13. After gas with a certain air pressure is introduced into the annular vent shell 14, the air pressure will act on the second piston plate 31, and the second piston plate 31 will push the push block 29. The two inclined surfaces of the push block 29 will push the two linkage plates 27 away from each other. The two linkage plates 27 will drive the two pressure blocks 25 to move away from each other. The two pressure blocks 25 will move obliquely with the cooperation of the inclined groove 26 and the supporting slider 24 until the top of the pump cover 47 is pressed down, so that in the process of clamping the inner wall of the pump cover 47, the linkage pressure block 25 presses the top of the pump cover 47, which is beneficial to ensure the stability of the pump cover 47 during the cutting process.

[0052] Specifically, an end cover 46 is inserted into the top of the ventilation cavity 22, and a lap ring 48 is fixedly connected to the surface of the plug pin 13. The lap ring 48 is used to support the top of the inner wall of the pump cover 47 and cooperate with the pressure block 25 to achieve clamping support for the top of the pump cover 47.

[0053] like Figure 3 and Figure 5 As shown, in one embodiment, a sliding groove 33 is formed on the surface of the linkage plate 27, and a connecting slider 34 is slidably connected in the sliding groove 33. The connecting slider 34 is fixedly connected to the pressure block 25. It should be understood that the sliding connection between the connecting slider 34 and the sliding groove 33 realizes the sliding connection of the pressure block 25 to the linkage plate 27.

[0054] like Figure 6 and Figure 7 As shown, in one embodiment, an annular slide rail 35 is fixedly mounted on the top of the positioning platform 2, and an annular groove 36 is formed on the inner annular surface of the annular seat 5, which is slidably connected to the annular slide rail 35. It should be understood that the sliding connection between the annular slide rail 35 and the annular groove 36 realizes the rotational connection of the annular seat 5 to the top surface of the positioning platform 2.

[0055] like Figure 1 As shown, in one embodiment, a rotation drive assembly for driving the annular seat 5 to rotate is further provided on the top of the positioning platform 2. The rotation drive assembly includes a first motor 37 and a gear ring 38. The first motor 37 is fixedly mounted on the top of the positioning platform 2. The output end of the first motor 37 is fixedly connected to a drive gear 45. The gear ring 38 is fixedly sleeved on the surface of the annular seat 5, and the gear ring 38 is engaged with the drive gear 45. It should be understood that when the pump cover 47 needs to be rotated, the first motor 37 is started, the first motor 37 drives the drive gear 45 to rotate, the drive gear 45 drives the gear ring 38, the gear ring 38 synchronously drives the annular seat 5 to rotate, and the annular seat 5 synchronously drives the pump cover 47 to rotate.

[0056] like Figure 1 and Figure 7As shown, in one embodiment, four support columns 3 are fixedly connected between the positioning platform 2 and the first support base 1, leaving a clearance space between the first support base 1 and the positioning platform 2. The external pipe 19 passes through the opening 4 and the clearance space in sequence. It should be understood that by leaving the clearance space, the external pipe 19 can be extended to a position that is convenient for operation.

[0057] like Figure 1 As shown, in one embodiment, the cutting assembly includes a support frame 39, a first adjustment seat 40 is slidably provided on the support frame 39, a second adjustment seat 41 is slidably provided on the first adjustment seat 40, a second motor 42 is fixedly mounted on the second adjustment seat 41, and a cutting head 43 is fixedly connected to the output end of the second motor 42. It should be understood that when cutting processing is required, the positions of the first adjustment seat 40 and the second adjustment seat 41 can be adjusted so that the cutting head 43 is close to the surface of the pump cover 47, and the pump cover 47 is cut. The first adjustment seat 40 can be adjusted in a first direction a, and the second adjustment seat 41 can be adjusted in a second direction b. The first direction a is to move the first adjustment seat 40 downward along the support frame 39 for adjustment, and the second direction b is to move the second adjustment seat 41 toward the front of the support frame 39 for adjustment.

Claims

1. A pump component contour cutting workbench, comprising a cutting table and a cutting assembly, characterized in that: The cutting table comprises: A first support seat (1), wherein a positioning platform (2) is fixedly connected to the top of the first support seat (1), and a through opening (4) is provided on the positioning platform (2); An annular seat (5), the annular seat (5) is rotatably connected to the top end of the first support seat (1) and is opposite to the through-port (4), four tracks (6) distributed in an annular array are fixedly connected to the inner annular surface of the annular seat (5), and positioning seats (7) are slidably provided on the four tracks (6), a mounting groove (8) is provided on the surface of the positioning seat (7), a connecting seat (9) is slidably provided in the mounting groove (8), and the connecting seat (9) is fixedly connected to a clamping plate (10) after passing through the mounting groove (8); A pressure sensor (11), the pressure sensor (11) is fixedly mounted on the inner wall of the mounting groove (8), and the detection end is in contact with the connecting seat (9); A pneumatic assembly, wherein the pneumatic assembly is used to push the four connecting seats (9) to move, so that the clamping plates (10) on the four connecting seats (9) clamp the inner wall of the pump cover (47); The pneumatic assembly includes a connecting plate (12), the connecting plate (12) is fixedly connected to the inner wall of the through port (4), the top of the connecting plate (12) is rotatably connected to a plug pin (13), the surface of the plug pin (13) is fixedly connected to an annular vent shell (14), the annular vent shell (14) is fixedly connected to four tracks (6), the surface of the annular vent shell (14) is fixedly connected to four tube bodies (15) distributed in an annular array, a first piston plate (16) is slidably provided inside the tube body (15), a piston rod (17) is fixedly connected to the surface of the first piston plate (16), and the end of the piston rod (17) is fixedly connected to the positioning seat (7); The bottom of the annular vent shell (14) is rotatably connected to an annular plate (18), the bottom of the annular plate (18) is fixedly connected to an external pipe (19), and a pressure regulating valve (20) is fixedly installed on the external pipe (19); A ventilation cavity (22) is provided on the top of the plug pin (13), and two mounting openings (23) are provided on the top of the inner wall of the ventilation cavity (22). A support slider (24) is fixedly connected in the mounting opening (23). A pressure block (25) is provided in each of the two mounting openings (23). An inclined groove (26) is provided on the surface of the pressure block (25). The inclined groove (26) is slidably provided on the surface of the support slider (24). A linkage plate (27) is slidably connected to each of the two pressure blocks (25). The two linkage plates (27) are slidably connected to the two pressure blocks (25). The bottom of each movable plate (27) is provided with a slot (28), and a push block (29) is provided in each of the two slots (28). Both ends of the push block (29) are provided with an inclined surface, and the two inclined surfaces are in contact with the top of the inner wall of the slot (28). A limit plate (30) is slidably inserted between the two linkage plates (27), and the limit plate (30) is fixedly connected to the inner wall of the installation opening (23). A push component is provided in the installation opening (23), and the push component is used to provide a pushing force to the push block (29); The pushing assembly includes a second piston plate (31) and two vents (32). The second piston plate (31) is slidably arranged on the inner wall of the vent cavity (22). The top of the second piston plate (31) is fixedly connected to the pushing block (29). The two vents (32) pass through the plug pin (13) and the annular vent shell (14), so that the vent cavity (22) is connected to the inner cavity of the annular vent shell (14).

2. A pump component contour cutting workbench according to claim 1, characterized in that: It also includes a controller (21), which is used to control the pressure regulating valve (20) to adjust the air pressure according to the pressure information detected by the pressure sensor (11).

3. A pump component contour cutting workbench according to claim 1, characterized in that: A sliding groove (33) is provided on the surface of the linkage plate (27), a connecting slider (34) is slidably connected in the sliding groove (33), and the connecting slider (34) is fixedly connected to the pressing block (25).

4. A pump component contour cutting workbench according to claim 1, characterized in that: An annular slide rail (35) is fixedly mounted on the top of the positioning platform (2), and an annular groove (36) is provided on the inner annular surface of the annular seat (5) and is slidably connected to the annular slide rail (35).

5. The pump component contour cutting workbench according to claim 1, characterized in that: The top of the positioning platform (2) is also provided with a rotation drive assembly for driving the annular seat (5) to rotate, and the rotation drive assembly includes a first motor (37) and a gear ring (38). The first motor (37) is fixedly mounted on the top of the positioning platform (2), and the output end of the first motor (37) is fixedly connected to a driving gear (45). The gear ring (38) is fixedly sleeved on the surface of the annular seat (5), and the gear ring (38) is engaged with the driving gear (45).

6. A pump component contour cutting workbench according to claim 1, characterized in that: Four support columns (3) are fixedly connected between the positioning platform (2) and the first support seat (1), so that a clearance space is left between the first support seat (1) and the positioning platform (2), and the external pipe (19) passes through the opening (4) and the clearance space in sequence.

7. The pump component contour cutting workbench according to claim 1, characterized in that: The cutting assembly comprises a support frame (39), a first adjustment seat (40) is slidably provided on the support frame (39), a second adjustment seat (41) is slidably provided on the first adjustment seat (40), a second motor (42) is fixedly mounted on the second adjustment seat (41), and a cutting head (43) is fixedly connected to an output end of the second motor (42).

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