Machining equipment for low-temperature ethylene pump space guide vane

Abstract

The invention discloses machining equipment for a low-temperature ethylene pump space guide vane, and relates to the technical field of machining of the low-temperature ethylene pump space guide vane. The device comprises a center supporting electric cylinder, an edge adjusting electric cylinder, a disc plate and a displacement assembly, and automatic and accurate adjustment of the spatial orientation and angle of the guide vane is achieved; guide vanes of different specifications can be efficiently clamped through the double-three-jaw chuck structure; the cutting device is provided with inner and outer reinforcing sleeves to improve the rigidity of the cutter and prevent deformation; double motors are adopted to drive planetary gears for transmission, stepless speed change of the cutter is achieved, and the machining requirements of different materials are met; the multiple stages of displacement assemblies work cooperatively, the axial position, the radial position and the rotating position of the guide vane are flexibly controlled, and efficient and high-precision machining of a complex curved surface is completed through multi-degree-of-freedom linkage.

Description

Technical Field

[0001] The invention relates to the technical field of processing space guide vanes of a low-temperature ethylene pump, in particular to processing equipment for processing space guide vanes of a low-temperature ethylene pump. Background Art

[0002] Cryogenic ethylene pump guide vanes are widely used in key equipment in the petrochemical industry. Their surfaces are usually complex irregular three-dimensional surfaces. Traditional turning equipment usually has a relatively simple structure and generally only uses a single-axis or simple multi-axis feed system with a fixed tool to process the guide vanes. The existing technology is usually unable to automatically and accurately adjust the processing angle and orientation of the guide vanes, resulting in the need to repeatedly stop the machine and manually adjust the guide vane installation position and fixture angle when processing complex surfaces. The operation is cumbersome and time-consuming, which seriously restricts production efficiency. At the same time, the tools of traditional equipment are not rigid enough, and vibration and deformation are prone to occur during processing, which seriously affects the accuracy and surface quality of the guide vanes. The tool speed cannot usually be accurately and steplessly adjusted, making it difficult to adapt to the different materials and precision requirements of the guide vanes. Summary of the invention

[0003] In order to overcome the defects of the above-mentioned prior art, the present invention provides the following technical solutions: a processing equipment for the spatial guide vanes of a low-temperature ethylene pump, comprising a central supporting electric cylinder and four edge adjusting electric cylinders surrounding the outer side of the central supporting electric cylinder, and the four edge adjusting electric cylinders are arranged in a circular array equidistant from each other with the axis of the central supporting electric cylinder; a disc plate is movably mounted on the end of the telescopic rod of the central supporting electric cylinder through a ball seat, and the end of the telescopic rod of each edge adjusting electric cylinder is in contact and sliding cooperation with the lower surface of the disc plate, and two three-jaw chucks are mounted on the disc plate through a displacement assembly, and the two three-jaw chucks are used to clamp the guide vanes required for turning processing; and also includes a tool for turning the guide vanes, the tool is driven to rotate by a driving assembly, wherein the distance and angle between the bottom end of the tool and the guide vanes required for turning processing are controlled by the central supporting electric cylinder and the edge adjusting electric cylinder.

[0004] Preferably, the driving assembly includes a cutting seat, a sunken groove is provided on the cutting seat, a gear ring disk is rotatably installed in the sunken groove, a driving spindle is rotatably installed at the axial position of the cutting seat, the top of the driving spindle is fixedly matched with the gear ring disk, the lower surface of the cutting seat is located on the outer side of the driving spindle and an external reinforcing sleeve is fixedly installed, the inner wall of the external reinforcing sleeve is slidably provided with an internal reinforcing sleeve, and the internal reinforcing sleeve is slidably and rotatably sleeved on the outer surface of the driving spindle.

[0005] Preferably, a spline cam is fixedly provided at the top end of the tool, and a groove into which the spline cam can be inserted is provided at the bottom end of the driving spindle. Through the groove, the spline cam and the driving spindle can slide and fit along their own axial splines, and the spline cam and the driving spindle can also be magnetically attracted to each other, wherein the internal reinforcing sleeve can also slide and rotate to fit with the outer surface of the tool.

[0006] Preferably, a cutting motor support plate is fixedly installed on the cutting seat, a planetary gear driving plate is rotatably arranged between the cutting motor support plate and the cutting seat, three planetary gears are rotatably installed on the planetary gear driving plate, an inner gear is rotatably arranged at the center position of the inner side of the gear ring plate, and the inner gear and the gear ring plate are meshed and driven by three planetary gears.

[0007] Preferably, a cutting motor and a control motor are fixedly mounted on the cutting motor support plate, wherein the output shaft of the control motor and the planetary gear drive plate are matched by adjusting the transmission belt, and the output shaft of the cutting motor passes through the planetary gear drive plate and is fixedly matched with the inner gear, wherein the output shaft of the cutting motor and the planetary gear drive plate are rotationally matched.

[0008] Preferably, the displacement assembly includes two bottom displacement slide bar supporting side plates fixedly matched with the disc plate, two parallel bottom displacement slide bars are fixedly installed between the two bottom displacement slide bar supporting side plates, bottom displacement brackets are slidably installed on the two bottom displacement slide bars, a driving crossbeam is fixedly provided in the middle of the bottom displacement bracket, a bottom displacement driving electric cylinder is fixedly installed on one of the bottom displacement slide bar supporting side plates, and the telescopic rod end of the bottom displacement driving electric cylinder is fixedly matched with the driving crossbeam.

[0009] Preferably, two middle displacement support side plates are fixedly installed on the bottom displacement bracket, and two parallel middle displacement screw rods are rotatably installed between the two middle displacement support side plates, wherein the middle displacement screw rod and the bottom displacement slide rod are vertically arranged in space, and one end of the two middle displacement screw rods is connected through a middle displacement synchronous transmission belt, and one end of one of the middle displacement screw rods is fixedly matched with the output shaft of the middle displacement drive motor, and the housing of the middle displacement drive motor is fixedly installed on the middle displacement support side plate.

[0010] Preferably, each middle displacement screw rod is provided with a threaded transmission sleeve and a top displacement support side plate, and a parallel top displacement bidirectional screw rod and a top displacement spline shaft are rotatably installed between the two top displacement support side plates, wherein the threaded sleeve on the top displacement bidirectional screw rod is provided with two symmetrically arranged three-jaw chuck brackets, and the three-jaw chuck bracket is also slidably arranged on the outer surface of the top displacement spline shaft.

[0011] Preferably, a spline pulley bracket is also fixedly mounted on the three-jaw chuck bracket, a spline pulley is rotatably arranged between the spline pulley bracket and the three-jaw chuck bracket, the spline pulley is sleeved on the top displacement spline shaft by a spline sliding manner, the spline pulley and the three-jaw chuck are connected by a rotating transmission belt, wherein the three-jaw chuck is rotatably mounted on the three-jaw chuck bracket; a top displacement drive motor and a top rotation drive motor are respectively fixedly mounted on the two top displacement support side plates, wherein the output shaft of the top displacement drive motor is fixedly matched with the top displacement bidirectional screw rod, and the output shaft of the top rotation drive motor is fixedly matched with the top displacement spline shaft, and the outer sides of the top displacement spline shaft and the top displacement bidirectional screw rod are both sleeved with bellows sleeves, and both ends of the bellows sleeves are fixed to the two three-jaw chuck brackets.

[0012] Preferably, the center support electric cylinder and all edge adjustment electric cylinders are fixedly mounted on the bottom surface of the inner wall of the protective support shell, and the top of the protective support shell is fixedly matched with the cutting seat; a gap is provided between the circumferential edge of the disc plate and the inner wall of the protective support shell to facilitate the free swinging of the disc plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention realizes precise adjustment of the guide vane angle and position by cooperating with a central support electric cylinder and a plurality of edge adjustment electric cylinders. The disc plate can freely swing at multiple angles, so that the complex irregular curved surface structure of the guide vane can be efficiently processed, avoiding the disadvantage that the traditional equipment needs to adjust the tooling multiple times for a single processing angle, thereby improving the processing efficiency and the accuracy of the guide vane, and being able to quickly adapt to the requirements of different guide vane shapes; (2) The present invention can realize precise axial positioning of the guide vane and flexibly adjust the distance between the two chucks through the cooperation of the double three-jaw chuck bracket with the top displacement bidirectional screw rod and the top displacement spline shaft, thereby realizing rapid clamping and switching of guide vanes of different specifications, effectively shortening the workpiece replacement time, and also The applicability and automation of the equipment are improved, and the production cost is greatly reduced; (3) The present invention adopts an internal and external reinforcing sleeve matching structure. During the tool cutting process, the position and size of the internal reinforcing sleeve can be timely adjusted according to the tool rod diameter and processing requirements, which effectively improves the tool rigidity and reduces the risk of cutting vibration and deformation, thereby increasing the tool life and cutting accuracy, improving the processing surface quality, and ensuring the consistency of the guide vane finished product; (4) The cutting motor and the control motor of the present invention cooperate to drive the tool to rotate. The control motor can flexibly adjust the revolution speed of the planetary gear to achieve stepless speed change and dual power functions. The tool speed and output torque can be adjusted at any time while the cutting motor maintains a constant speed, effectively coping with different guide vane materials and processing conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the protective support shell structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the protective support shell of the present invention; Figure 3 It is a structural schematic diagram of the ball seat of the present invention; Figure 4 This is a schematic diagram of the structure of the drive assembly of the present invention; Figure 5 This is a schematic diagram of the structure of the bottom displacement driving electric cylinder of the present invention; Figure 6 It is a structural schematic diagram of the middle displacement synchronous transmission belt of the present invention; Figure 7 It is a schematic diagram of the structure of the bellows sleeve of the present invention.

[0015] In the figure: 101-protective support housing; 102-edge adjustment electric cylinder; 103-center support electric cylinder; 104-disc plate; 105-ball seat; 106-cutting seat; 107-external reinforcement sleeve; 108-driving spindle; 109-spline cam; 110-internal reinforcement sleeve; 111-tool; 112-cutting motor support plate; 113-cutting motor; 114-control motor; 115-planetary gear drive plate; 116-adjusting transmission belt; 117-planetary gear; 118-tooth ring plate; 119-inner gear; 120-bottom displacement slide rod support side plate; 121-bottom displacement slide Rod; 122-bottom displacement bracket; 123-driving crossbeam; 124-bottom displacement driving electric cylinder; 125-middle displacement supporting side plate; 126-middle displacement synchronous transmission belt; 127-middle displacement lead screw; 128-top displacement supporting side plate; 129-middle displacement driving motor; 130-top displacement driving motor; 131-top rotation driving motor; 132-top displacement bidirectional lead screw; 133-top displacement spline shaft; 134-spline pulley bracket; 135-three-jaw chuck bracket; 136-spline pulley; 137-rotating transmission belt; 138-corrugated pipe sleeve; 139-three-jaw chuck. DETAILED DESCRIPTION

[0016] The following is combined with Figure 1-Figure 7 , and further illustrate the technical solution of the present invention through specific implementation methods.

[0017] The present invention provides a processing device for a space guide vane of a low-temperature ethylene pump, comprising a central support electric cylinder 103 and four edge adjustment electric cylinders 102 surrounding the outer side of the central support electric cylinder 103, and the four edge adjustment electric cylinders 102 are arranged in a circular array equidistantly with the axis of the central support electric cylinder 103; a disc plate 104 is movably mounted on the end of a telescopic rod of the central support electric cylinder 103 through a ball seat 105, and the end of the telescopic rod of each edge adjustment electric cylinder 102 is in contact and sliding cooperation with the lower surface of the disc plate 104, and two three-jaw chucks 139 are mounted on the disc plate 104 through a displacement component, and the two three-jaw chucks 139 are used to clamp the guide vanes required for turning processing, and the two three-jaw chucks 139 can also drive the clamped guide vanes to rotate; and also includes a tool 111 for turning the guide vanes, the tool 111 is driven to rotate by a driving component, wherein the distance and angle between the bottom end of the tool 111 and the guide vanes required for turning processing are controlled by the central support electric cylinder 103 and the edge adjustment electric cylinder 102.

[0018] The driving assembly includes a cutting seat 106, which is provided with a sunken groove, in which a gear ring disk 118 is rotatably installed, and a driving spindle 108 is rotatably installed at the axial position of the cutting seat 106, and the top of the driving spindle 108 is fixedly matched with the gear ring disk 118. The lower surface of the cutting seat 106 is located on the outer side of the driving spindle 108 and an external reinforcing sleeve 107 is fixedly installed, and an internal reinforcing sleeve 110 is slidably provided on the inner wall of the external reinforcing sleeve 107, and the internal reinforcing sleeve 110 is slidably and rotatably sleeved on the outer surface of the driving spindle 108. The top of the tool 111 is fixedly provided with a spline cam 109, and the bottom of the driving spindle 108 is provided with a groove into which the spline cam 109 can be inserted, through which the spline cam 109 and the driving spindle 108 can slide and cooperate along their own axial splines, and the spline cam 109 and the driving spindle 108 can also be magnetically attracted to each other, wherein the internal reinforcing sleeve 110 also slides and rotates to cooperate with the outer surface of the tool 111. A cutting motor support plate 112 is fixedly installed overhead on the cutting seat 106, and a planetary gear driving plate 115 is rotatably provided between the cutting motor support plate 112 and the cutting seat 106, and three planetary gears 117 are rotatably installed on the planetary gear driving plate 115, and an inner gear 119 is rotatably provided at the center position of the inner side of the gear ring plate 118, and the inner gear 119 and the gear ring plate 118 are meshed and driven by three planetary gears 117. A cutting motor 113 and a control motor 114 are fixedly mounted on the cutting motor support plate 112, wherein the output shaft of the control motor 114 is coupled with the planetary gear drive plate 115 via an adjustable transmission belt 116, and the output shaft of the cutting motor 113 passes through the planetary gear drive plate 115 and is fixedly coupled with the inner gear 119, wherein the output shaft of the cutting motor 113 is rotationally coupled with the planetary gear drive plate 115.

[0019] The displacement assembly includes two bottom displacement slide bar supporting side plates 120 fixedly matched with the disc plate 104, two parallel bottom displacement slide bars 121 are fixedly installed between the two bottom displacement slide bar supporting side plates 120, bottom displacement brackets 122 are slidably installed on the two bottom displacement slide bars 121, and a driving cross beam 123 is fixedly provided in the middle of the bottom displacement bracket 122, a bottom displacement driving electric cylinder 124 is fixedly installed on one of the bottom displacement slide bar supporting side plates 120, and the telescopic rod end of the bottom displacement driving electric cylinder 124 is fixedly matched with the driving cross beam 123. Two middle displacement support side plates 125 are fixedly installed on the bottom displacement bracket 122, and two parallel middle displacement screw rods 127 are rotatably installed between the two middle displacement support side plates 125, wherein the middle displacement screw rod 127 is vertically arranged in space with the bottom displacement slide rod 121, and one end of the two middle displacement screw rods 127 is connected through a middle displacement synchronous transmission belt 126, and one end of one of the middle displacement screw rods 127 is fixedly matched with the output shaft of the middle displacement drive motor 129, and the outer shell of the middle displacement drive motor 129 is fixedly installed on the middle displacement support side plate 125. Each middle displacement screw rod 127 is provided with a top displacement support side plate 128 on a threaded transmission sleeve, and a top displacement bidirectional screw rod 132 and a top displacement spline shaft 133 arranged in parallel are rotatably mounted between the two top displacement support side plates 128, wherein the top displacement bidirectional screw rod 132 is provided with two symmetrically arranged three-jaw chuck brackets 135 on a threaded sleeve, and the three-jaw chuck bracket 135 is also sleeved and slidably mounted on the outer surface of the top displacement spline shaft 133. A spline pulley bracket 134 is also fixedly mounted on the three-jaw chuck bracket 135, and a spline pulley 136 is rotatably mounted between the spline pulley bracket 134 and the three-jaw chuck bracket 135, and the spline pulley 136 is sleeved on the top displacement spline shaft 133 in a spline sliding manner, and the spline pulley 136 is connected to the three-jaw chuck 139 through a rotating transmission belt 137, wherein the three-jaw chuck 139 is rotatably mounted on the three-jaw chuck bracket 135; the two top displacement support side plates 128 A top displacement drive motor 130 and a top rotation drive motor 131 are fixedly mounted on the top, wherein the output shaft of the top displacement drive motor 130 is fixedly matched with the top displacement bidirectional screw rod 132, and the output shaft of the top rotation drive motor 131 is fixedly matched with the top displacement spline shaft 133, and the outer sides of the top displacement spline shaft 133 and the top displacement bidirectional screw rod 132 are both sleeved with a bellows sleeve 138, and the two ends of the bellows sleeve 138 are fixed with two three-jaw chuck brackets 135. The center support electric cylinder 103 and all edge adjustment electric cylinders 102 are fixedly mounted on the bottom surface of the inner wall of the protective support shell 101, and the top of the protective support shell 101 is fixedly matched with the cutting seat 106; a gap is set between the circumferential edge of the disc plate 104 and the inner wall of the protective support shell 101, so that the disc plate 104 can swing freely.

[0020] The working principle of a processing device for a low-temperature ethylene pump space guide vane disclosed in the present invention is as follows: the top displacement drive motor 130 is controlled, and the output shaft of the top displacement drive motor 130 drives the top displacement bidirectional screw rod 132 to rotate, and the rotation of the top displacement bidirectional screw rod 132 drives two three-jaw chuck brackets 135 to move relative to each other (away from or close to each other, and the three-jaw chuck brackets 135 will also slide on the top displacement spline shaft 133), so as to adjust the distance between the two three-jaw chucks 139, and the two three-jaw chucks 139 fix the guide vanes to be turned, and the top rotation drive motor is controlled. Machine 131, the output shaft of the top rotating drive motor 131 drives the top displacement spline shaft 133 to rotate, the top displacement spline shaft 133 drives the spline pulley 136 to rotate, the spline pulley 136 drives the rotating transmission belt 137 to rotate, the rotating transmission belt 137 drives the three-jaw chuck 139 to rotate, and the three-jaw chuck 139 will drive the guide vane that needs to be turned to rotate, so as to realize turning at different positions (because the outer contour of the guide vane is not circular, it is necessary to cooperate with the continuous extension and retraction of the telescopic rod of the center support electric cylinder 103 and the edge adjustment electric cylinder 102 to control the distance between the guide vane and the tool 111). The middle displacement drive motor 129 is controlled. The output shaft of the middle displacement drive motor 129 drives the middle displacement screw 127 to rotate. The two middle displacement screws 127 rotate synchronously through the middle displacement screw 127. The rotation of the two middle displacement screws 127 drives the top displacement support side plate 128 to move, thereby driving the guide vane to move along the axial direction of the middle displacement screw 127 to achieve cutting at different positions (such as a processed flat section). The telescopic rod of the bottom displacement drive electric cylinder 124 is controlled. The telescopic rod of the bottom displacement drive electric cylinder 124 drives the bottom displacement bracket 122 to move on the bottom displacement slide bar 121 through the driving crossbeam 123. The bottom displacement bracket 122 drives the middle displacement support side plate 125 to move. At this time, the guide vane can be driven to move synchronously, which is used for turning along the axial direction of the guide vane.

[0021] For example, if the guide vane has an irregular curved surface, it is necessary to adjust the angle with the tool 111. At this time, the swing angle of the disc plate 104 can be controlled by controlling the extension amount of the telescopic rod of the electric cylinder 102 at different positions (the central support electric cylinder 103 does not move, Figure 2 , Figure 3 The middle part of the middle disc plate 104 is hollowed out to facilitate the discharge of iron chips), thereby controlling the swing of the guide vanes on the disc plate 104, and coordinating with the movement of the upper guide vanes to process irregular surfaces (feeding requires controlling the synchronous extension and retraction of all edge adjustment electric cylinders 102 and center support electric cylinders 103).

[0022] The rotation of the tool 111 needs to be achieved by controlling the cutting motor 113 and the control motor 114. Specifically, when the cutting motor 113 is started, the control motor 114 also needs to be started. The output shaft of the cutting motor 113 drives the inner gear 119 to rotate. The inner gear 119 drives the gear ring disk 118 to rotate through the planetary gear 117. The gear ring disk 118 drives the driving spindle 108 to rotate. The driving spindle 108 drives the tool 111 to rotate through the spline cam 109 (to replace a different tool 111, it is only necessary to pull the tool 111 off the driving spindle 108, and then insert the new tool 111 and the spline cam 109 into the driving spindle 108). In order to reduce the deformation of the tool 111 during the cutting process, the internal reinforcement sleeve 110 is reinforced from the outside at this time. The reinforcing sleeve 107 is drawn out and sleeved on the tool 111 to achieve the effect of strengthening the tool 111 (the internal reinforcing sleeve 110 is replaced synchronously with the change of the rod diameter of the tool 111), wherein the output shaft of the control motor 114 drives the planetary gear driving disk 115 to rotate by adjusting the transmission belt 116, and the rotation of the planetary gear driving disk 115 drives all the planetary gears 117 to revolve. At this time, the control motor 114 can control the revolving speed and direction of the planetary gears 117. Therefore, when the output shaft speed of the cutting motor 113 remains unchanged, the transmission ratio between the output shaft of the cutting motor 113 and the driving spindle 108 can be controlled. Therefore, the function of the cutting motor 113 and the control motor 114 jointly driving the tool 111 to rotate can be realized, and it also has the function of stepless speed regulation.

Claims

1. A processing equipment for low temperature ethylene pump space guide vanes, characterized in that: The invention comprises a central supporting electric cylinder (103) and four edge adjusting electric cylinders (102) surrounding the outside of the central supporting electric cylinder (103), and the four edge adjusting electric cylinders (102) are arranged in a circular array equidistantly around the axis of the central supporting electric cylinder (103); a disc plate (104) is movably mounted on the end of the telescopic rod of the central supporting electric cylinder (103) through a ball seat (105), and the end of the telescopic rod of each edge adjusting electric cylinder (102) is in contact and sliding cooperation with the lower surface of the disc plate (104), and the disc plate (104) is movably mounted on the end of the telescopic rod of the central supporting electric cylinder (103) through a ball seat (105). Two three-jaw chucks (139) are installed on the disc plate (104) via a displacement assembly, the two three-jaw chucks (139) are used to clamp the guide vanes required for turning, and the two three-jaw chucks (139) drive the clamped guide vanes to rotate; and the disc plate (104) also includes a tool (111) for turning the guide vanes, the tool (111) is driven to rotate by a driving assembly, wherein the distance and angle between the bottom end of the tool (111) and the guide vanes required for turning are controlled by a central support electric cylinder (103) and an edge adjustment electric cylinder (102).

2. The processing equipment for the space guide vane of a low-temperature ethylene pump according to claim 1 is characterized in that: The driving assembly comprises a cutting seat (106), a sunken groove is provided on the cutting seat (106), a gear ring disk (118) is rotatably installed in the sunken groove, a driving spindle (108) is rotatably installed at the axial position of the cutting seat (106), the top end of the driving spindle (108) is fixedly matched with the gear ring disk (118), an external reinforcing sleeve (107) is fixedly installed on the lower surface of the cutting seat (106) and located outside the driving spindle (108), an internal reinforcing sleeve (110) is slidably provided on the inner wall of the external reinforcing sleeve (107), and the internal reinforcing sleeve (110) is slidably and rotatably sleeved on the outer surface of the driving spindle (108).

3. The processing equipment for the space guide vane of a low-temperature ethylene pump according to claim 2 is characterized in that: The top end of the tool (111) is fixedly provided with a spline cam (109), and the bottom end of the driving spindle (108) is provided with a groove into which the spline cam (109) can be inserted, so that the spline cam (109) and the driving spindle (108) can slide and fit along their own axial splines through the groove, and the spline cam (109) and the driving spindle (108) can also be magnetically attracted to each other, wherein the internal reinforcement sleeve (110) can also slide and rotate to fit with the outer surface of the tool (111).

4. The processing equipment for the space guide vane of a low-temperature ethylene pump according to claim 3 is characterized in that: A cutting motor support plate (112) is fixedly mounted on the cutting seat (106) in the air, a planetary gear driving plate (115) is rotatably mounted between the cutting motor support plate (112) and the cutting seat (106), three planetary gears (117) are rotatably mounted on the planetary gear driving plate (115), an inner gear (119) is rotatably mounted at the center of the inner side of the gear ring plate (118), and the inner gear (119) and the gear ring plate (118) are meshed and driven by the three planetary gears (117).

5. The processing equipment for low temperature ethylene pump space guide vanes according to claim 4, characterized in that: A cutting motor (113) and a control motor (114) are fixedly mounted on a cutting motor support plate (112), wherein an output shaft of the control motor (114) and a planetary gear drive plate (115) are transmission-matched by adjusting a transmission belt (116), and an output shaft of the cutting motor (113) passes through the planetary gear drive plate (115) and is fixedly matched with an inner gear (119), wherein the output shaft of the cutting motor (113) and the planetary gear drive plate (115) are rotationally matched.

6. The processing equipment for low temperature ethylene pump space guide vanes according to claim 5, characterized in that: The displacement assembly comprises two bottom displacement slide bar support side plates (120) fixedly matched with the disc plate (104); two bottom displacement slide bars (121) arranged in parallel are fixedly mounted between the two bottom displacement slide bar support side plates (120); bottom displacement brackets (122) are slidably mounted on the two bottom displacement slide bars (121); a driving crossbeam (123) is fixedly provided in the middle of the bottom displacement bracket (122); a bottom displacement driving electric cylinder (124) is fixedly mounted on one of the bottom displacement slide bar support side plates (120); and the end of the telescopic rod of the bottom displacement driving electric cylinder (124) is fixedly matched with the driving crossbeam (123).

7. The processing equipment for low temperature ethylene pump space guide vanes according to claim 6, characterized in that: Two middle displacement support side plates (125) are fixedly mounted on the bottom displacement bracket (122), and two parallel middle displacement screw rods (127) are rotatably mounted between the two middle displacement support side plates (125), wherein the middle displacement screw rod (127) and the bottom displacement slide rod (121) are vertically arranged in space, and one end of the two middle displacement screw rods (127) is connected to each other through a middle displacement synchronous transmission belt (126), and one end of one of the middle displacement screw rods (127) is fixedly matched with an output shaft of a middle displacement drive motor (129), and a housing of the middle displacement drive motor (129) is fixedly mounted on the middle displacement support side plate (125).

8. The processing equipment for low temperature ethylene pump space guide vanes according to claim 7, characterized in that: A threaded transmission sleeve is provided on each middle displacement screw rod (127) with a top displacement support side plate (128), and a top displacement bidirectional screw rod (132) and a top displacement spline shaft (133) arranged in parallel are rotatably mounted between the two top displacement support side plates (128), wherein the threaded sleeve on the top displacement bidirectional screw rod (132) is provided with two symmetrically arranged three-jaw chuck brackets (135), and the three-jaw chuck bracket (135) is also sleeved and slidably arranged on the outer surface of the top displacement spline shaft (133).

9. The processing equipment for low temperature ethylene pump space guide vanes according to claim 8, characterized in that: A spline pulley bracket (134) is also fixedly mounted on the three-jaw chuck bracket (135); a spline pulley (136) is rotatably mounted between the spline pulley bracket (134) and the three-jaw chuck bracket (135); the spline pulley (136) is sleeved on the top displacement spline shaft (133) in a spline sliding manner; the spline pulley (136) and the three-jaw chuck (139) are connected in transmission via a rotating transmission belt (137); the three-jaw chuck (139) is rotatably mounted on the three-jaw chuck bracket (135); A top displacement drive motor (130) and a top rotation drive motor (131) are respectively fixedly mounted on the two top displacement support side plates (128), wherein the output shaft of the top displacement drive motor (130) is fixedly matched with the top displacement bidirectional screw rod (132), and the output shaft of the top rotation drive motor (131) is fixedly matched with the top displacement spline shaft (133), and the outer sides of the top displacement spline shaft (133) and the top displacement bidirectional screw rod (132) are both sleeved with a bellows sleeve (138), and the two ends of the bellows sleeve (138) are fixed to the two three-jaw chuck brackets (135).

10. The processing equipment for low temperature ethylene pump space guide vanes according to claim 9, characterized in that: The central support electric cylinder (103) and all edge adjustment electric cylinders (102) are fixedly mounted on the bottom surface of the inner wall of the protective support shell (101), and the top of the protective support shell (101) is fixedly matched with the cutting seat (106); a gap is provided between the circumferential edge of the disc plate (104) and the inner wall of the protective support shell (101) to facilitate the free swing of the disc plate (104).

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