Cutting device for water pump impeller production and machining and machining method thereof

Abstract

The invention relates to the technical field of water pump impeller production, and discloses a cutting device for water pump impeller production and machining and a machining method thereof. According to the water pump impeller blade cutting device, the cutting limiting mechanism keeps attached to one surface of a blade of a water pump impeller, the position between the cutting executing mechanism and the cutting limiting mechanism can be adjusted within a limited range, and the cutting executing mechanism can cut the other surface of the blade of the impeller to be machined; the cutting executing mechanism can move within a small range under the limitation of the cutting limiting mechanism, so that the blade surface of the impeller can be more accurately cut and machined, and the defects existing on the surface of the water pump impeller to be machined can be removed; and the cutting machining process of the two water pump impellers can be conducted in the one-time cavity sealing operation process, and then the batch production and machining efficiency of the water pump impellers can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water pump impeller production, and specifically to a cutting device and a processing method for water pump impeller production and processing. Background Art

[0002] As a core component of fluid machinery, the geometric accuracy of the water pump impeller directly affects the head, efficiency and cavitation performance of the water pump. The traditional impeller processing mainly adopts the process route of casting blanks and then milling into shape by a numerically controlled machine tool. With the development of the intelligent manufacturing equipment industry, the popularization of the complex curved surface impeller design of water pump impellers and the lightweight requirement, the use of high-strength alloy materials has put forward higher requirements for cutting technology.

[0003] Existing cutting devices are mostly based on the scheme of a five-axis linkage numerically controlled machine tool equipped with a rotary tool, and the impeller surface is cut layer by layer through a preset program. However, this process has significant limitations: First, when the robotic arm moves along a complex three-dimensional trajectory, affected by the response delay of the servo system and the joint clearance, the repeat positioning accuracy usually fails to meet the contour accuracy requirements of the leading edge of the new impeller blade; Second, with the increase in the degrees of freedom of the robotic arm, when the robotic arm expands to the maximum working radius, the position drift of the end effector increases significantly, resulting in a decrease in processing accuracy. At the same time, in a closed cutting processing space, usually only one water pump impeller can be processed, and the reciprocating closing process and the repositioning process after closing of the cutting processing space significantly affect the processing efficiency of the water pump impeller. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides a cutting device and a processing method for water pump impeller production and processing.

[0005] To solve the above technical problems, the present invention provides the following technical solutions: A cutting device for the production and processing of a water pump impeller, comprising a support pedestal and an outer protection frame. An operation cavity is formed between the support pedestal and the outer protection frame. Impeller clamping mechanisms are respectively arranged on both sides of the support pedestal. The two impeller clamping mechanisms can respectively clamp and extend the impeller to be processed into the operation cavity. A translation driving mechanism is arranged on one side of the support pedestal. The translation driving mechanism can drive a sliding support plate to translate between the two impeller clamping mechanisms. A cutting moving arm is fixedly arranged on the top of the sliding support plate. An angle adjusting mechanism is arranged at the movable end of the cutting moving arm. The angle adjusting mechanism comprises an angle adjustment unit and a cutting installation connecting plate. A cutting execution mechanism and a cutting limiting mechanism are respectively arranged at both ends of the cutting installation connecting plate. The cutting moving arm can move the cutting execution mechanism and the cutting limiting mechanism to the two surfaces of the blade of the impeller to be processed respectively by driving the cutting installation connecting plate. The angle adjustment unit can drive the cutting execution mechanism and the cutting limiting mechanism to simultaneously change the included angle with the impeller to be processed by driving the cutting installation connecting plate to rotate. The cutting limiting mechanism can be attached to one surface of the blade of the impeller to be processed. The position between the cutting execution mechanism and the cutting limiting mechanism can be adjusted within a limited range. The cutting execution mechanism can cut the other surface of the blade of the impeller to be processed.

[0006] Preferably, the cutting execution mechanism comprises a cutting fixed base, a cutting elevation angle adjustment unit, a cutting installation base and a rotary cutter. The cutting fixed base is fixed to one end of the cutting installation connecting plate. The cutting elevation angle adjustment unit comprises an elevation angle adjustment plate and an elevation angle adjustment motor. The cutting installation base comprises a cutting connection ring plate, a plurality of micro-adjustment cylinders and a cutting installation substrate. The rotary cutter comprises a cutting tool holder and a rotary driving motor.

[0007] Preferably, the elevation angle adjustment plate is fixed to the cutting connection ring plate. Both ends of the cutting connection ring plate are rotatably connected to the cutting fixed base. The cutting tool holder is rotatably connected to the cutting installation substrate. The elevation angle adjustment motor is fixed to the cutting fixed base. The elevation angle adjustment motor is power-transmitted to the elevation angle adjustment plate through an elevation angle adjustment gear. The elevation angle adjustment motor can adjust the elevation angle of the cutting tool clamped inside the cutting tool holder by adjusting the elevation angle of the cutting connection ring plate.

[0008] Preferably, both ends of each of the micro-adjustment cylinders are fixed between the cutting connection ring plate and the cutting mounting substrate respectively, and each of the micro-adjustment cylinders can expand and contract synchronously to drive the adjustment of the distance between the cutting tool clamped inside the cutting tool holder and the cutting mounting base; the rotary drive motor is power-connected to the cutting tool holder, and the rotary drive motor can drive the cutting tool clamped inside the cutting tool holder to rotate and cut the impeller to be processed during the movement of the cutting tool clamped inside the cutting tool holder.

[0009] Preferably, the cutting limit mechanism includes a limit connecting rod, a limit extension rod and two fitting limit link rods. One end of the limit connecting rod is fixed to the other end of the cutting mounting connecting plate, and the other end of the limit connecting rod is rotatably connected to the middle of the limit extension rod; the two fitting limit link rods are respectively fixed to both ends of the limit extension rod, and fitting balls are embedded at the ends of the two fitting limit link rods away from the limit extension rod. Each of the fitting limit link rods can expand and contract under the elastic force of the spring arranged inside, and drive the fitting balls to fit with the surface of the blade of the impeller to be processed.

[0010] Preferably, the angle adjustment unit includes an angle adjustment support and at least two angle adjustment cylinders. The angle adjustment support is rotatably connected to the cutting mounting connecting plate. The fixed ends of each of the angle adjustment cylinders are fixed to the angle adjustment support respectively, and the movable ends of each of the angle adjustment cylinders are fixed to the cutting mounting connecting plate respectively; during the synchronous expansion and contraction of the movable ends of each of the angle adjustment cylinders, it can drive the relative rotation between the cutting mounting connecting plate and the angle adjustment support, and can limit the maximum angle of the relative rotation between the cutting mounting connecting plate and the angle adjustment support through the movable stroke of each of the angle adjustment cylinders.

[0011] Preferably, each of the impeller clamping mechanisms includes a clamping connection shaft seat. A clamping angle adjustment shaft is rotatably installed inside the clamping connection shaft seat. Three-jaw chucks are fixedly arranged at the ends of the clamping angle adjustment shafts close to the operation cavity. The ends of the clamping angle adjustment shafts away from the operation cavity are power-transmitted to the clamping angle adjustment motors respectively; the three-jaw chucks can clamp the impeller to be processed, and the clamping angle adjustment motors can drive the clamping angle adjustment shafts to rotate to adjust the angle of the impeller to be processed clamped by the three-jaw chucks.

[0012] Preferably, the translation driving mechanism further includes driving units symmetrically arranged on both sides of the support pedestal. A translation track is further arranged at the top end of the support pedestal, and the bottom end of the sliding support plate is embedded inside the translation track; each driving unit includes a translation motor and a translation driving screw. Extension connecting plates are respectively arranged at both ends of the sliding support plate, and the two extension connecting plates are respectively in threaded engagement with the two translation driving screws. The translation motor can drive the sliding support plate to translate between the two impeller clamping mechanisms by driving the translation driving screw to rotate.

[0013] Preferably, the outer protection frame is arranged outside the support pedestal. The outer protection frame includes a fixed frame and a movable door panel. The movable door panel is slidably connected to the fixed frame. The opening and closing of the movable door panel can open and isolate the operation cavity; the fixed end of the cutting moving arm is fixed to the sliding support plate. The cutting moving arm includes at least three free dimensions, and the cooperation of the respective free dimensions of the cutting moving arm can drive the movable end of the cutting moving arm to move inside the operation cavity.

[0014] A processing method for manufacturing a water pump impeller uses the above-mentioned cutting device for manufacturing a water pump impeller, and includes the following steps: S1. Fix the cast water pump impeller inside the impeller clamping mechanism, and close the operation cavity through the outer protection frame. Two water pump impellers can be cut simultaneously inside the operation cavity; S2. The translation driving mechanism drives the sliding support plate to carry the cutting moving arm to move to the water pump impeller clamped by one impeller clamping mechanism; S3. Through the driving of the cutting moving arm, the cutting execution mechanism and the cutting limiting mechanism respectively arranged at both ends of the cutting installation connecting plate are moved to the two surfaces of the blade of the water pump impeller; S4. The cutting limiting mechanism keeps in contact with one surface of the blade of the water pump impeller. The position between the cutting execution mechanism and the cutting limiting mechanism can be adjusted within a limited range, and the cutting execution mechanism can cut the other surface of the blade of the impeller to be processed; S5. After one water pump impeller is cut, the translation driving mechanism drives the sliding support plate to carry the cutting moving arm to move to the water pump impeller clamped by the other impeller clamping mechanism, and cut the other water pump impeller.

[0015] Compared with the prior art, the present invention provides a cutting device and a processing method for manufacturing a water pump impeller, having the following beneficial effects: 1. The cutting device for the production and processing of the water pump impeller blades maintains contact with one surface of the water pump impeller blade through the cutting limit mechanism. The position between the cutting execution mechanism and the cutting limit mechanism can be adjusted within a limited range. The cutting execution mechanism can cut the other surface of the impeller blade to be processed, so that the cutting execution mechanism can move within a small range under the restriction of the cutting limit mechanism, and can more accurately cut the surface of the impeller blade, so as to remove the defects existing on the surface of the water pump impeller to be processed, effectively process the water pump impeller, eliminate the defects of the water pump impeller, and improve the rotational balance of the water pump impeller. After one water pump impeller is cut, the translation drive mechanism drives the sliding support plate to carry the cutting moving arm to move to the water pump impeller clamped by another impeller clamping mechanism, and cut another water pump impeller, so that the cutting process of two water pump impellers can be carried out during the closing process of the operation cavity at one time, and thus the efficiency of batch production and processing of the water pump impeller can be improved.

[0016] 2. The cutting device for the production and processing of the water pump impeller can adjust the elevation angle of the cutting connection ring plate under the drive of the elevation adjustment motor through the gear meshing transmission between the elevation adjustment gear and the elevation adjustment plate, and then adjust the elevation angle of the cutting tool clamped inside the cutting tool holder, so as to adjust the angle between the cutting tool and the blade. Since the cutting tool holder is rotatably connected to the cutting installation base plate, the distance between the cutting tool clamped inside the cutting tool holder and the cutting installation base can be adjusted by the synchronous telescoping of each micro-adjustment cylinder, so as to adjust the distance between the cutting tool and the blade. Then, during the cutting process, the cutting tool clamped inside the cutting tool holder is driven to rotate by the rotation drive motor, so as to cooperate with the change of the angle between the cutting tool and the blade and the distance between the cutting tool and the blade, and accurately and effectively cut the surface of the water pump impeller blade, thereby eliminating the defects existing on the surface of the water pump impeller.

[0017] 3. During the cutting process of the cutting device for the production and processing of the water pump impeller, the clamping angle adjustment motor drives the clamping angle adjustment shaft to rotate to adjust the angle of the impeller to be processed clamped by the three-jaw chuck to cooperate with the cutting process of the water pump impeller; the translation motor drives the sliding support plate to translate between the two impeller clamping mechanisms under the restriction of the translation track, and then drives the cutting moving arm to drive the cutting execution mechanism and the cutting limit mechanism to move. The free dimensions of the cutting moving arm cooperate with each other to drive the movable end of the cutting moving arm to move inside the operation cavity, so that the cutting execution mechanism can be driven to move to any required cutting position of the water pump impeller to cooperate with the cutting execution mechanism and the cutting limit mechanism to execute the defect elimination of the cutting process. Description of the Drawings

[0018] Figure 1Schematic three-dimensional structure diagram of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 2 Schematic three-dimensional structure diagram of the outer protection frame of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 3 One of the schematic internal structure diagrams of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 4 Another schematic internal structure diagram of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 5 Schematic three-dimensional structure diagram of an impeller clamping mechanism of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 6 Schematic three-dimensional structure diagram of the cutting moving arm of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 7 One of the schematic three-dimensional structure diagrams of the angle adjustment mechanism, cutting execution mechanism, and cutting limit mechanism of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 8 Another schematic three-dimensional structure diagram of the angle adjustment mechanism, cutting execution mechanism, and cutting limit mechanism of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 9 One of the schematic three-dimensional structure diagrams of the cutting execution mechanism of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 10 Another schematic three-dimensional structure diagram of the cutting execution mechanism of a cutting device for the production and processing of a water pump impeller according to the present invention; Figure 11 Partial schematic structure diagram of the cutting execution mechanism of a cutting device for the production and processing of a water pump impeller according to the present invention.

[0019] In the figure: 1. Support pedestal; 11. Translation track; 2. Outer protection frame; 21. Fixed frame; 22. Movable door panel; 3. Impeller clamping mechanism; 31. Clamping connection shaft seat; 32. Clamping angle adjustment shaft; 33. Three-jaw chuck; 34. Clamping angle adjustment motor; 4. Translation drive mechanism; 41. Sliding support plate; 411. Extension connecting plate; 42. Drive unit; 421. Translation motor; 422. Translation drive screw; 5. Cutting moving arm; 6. Angle adjustment mechanism; 61. Angle adjustment unit; 611. Angle adjustment support; 612. Angle adjustment cylinder; 62. Cutting installation connecting plate; 7. Cutting execution mechanism; 71. Cutting fixed base; 72. Cutting elevation angle adjustment unit; 721. Elevation angle adjustment plate; 722. Elevation angle adjustment motor; 73. Cutting installation base; 731. Cutting connection ring plate; 732. Micro-adjustment cylinder; 733. Cutting installation base plate; 74. Rotary cutter; 741. Cutting tool holder; 742. Rotary drive motor; 8. Cutting limit mechanism; 81. Limit connecting rod; 82. Limit extension rod; 83. Fitting limit connecting rod; 84. Fitting ball. Detailed implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] As introduced in the background technology, there are deficiencies in the prior art. To solve the above technical problems, this application proposes a cutting device for the production and processing of water pump impellers and its processing method.

[0022] Embodiment 1: Please refer to Figures 1 - 11, A cutting device for the production and processing of a water pump impeller, including a support pedestal 1 and an outer protection frame 2. An operation cavity is formed between the support pedestal 1 and the outer protection frame 2. Impeller clamping mechanisms 3 are respectively arranged on both sides of the support pedestal 1. The two impeller clamping mechanisms 3 can respectively clamp and extend the impeller to be processed into the operation cavity; A translation driving mechanism 4 is arranged on one side of the support pedestal 1. The translation driving mechanism 4 can drive the sliding support plate 41 to translate between the two impeller clamping mechanisms 3; A cutting moving arm 5 is fixedly arranged on the top of the sliding support plate 41. An angle adjusting mechanism 6 is arranged at the movable end of the cutting moving arm 5. The angle adjusting mechanism 6 includes an angle adjustment unit 61 and a cutting installation connecting plate 62. A cutting execution mechanism 7 and a cutting limit mechanism 8 are respectively arranged at both ends of the cutting installation connecting plate 62; The cutting moving arm 5 can move the cutting execution mechanism 7 and the cutting limit mechanism 8 to the two surfaces of the blade of the impeller to be processed respectively by driving the cutting installation connecting plate 62; The angle adjustment unit 61 can drive the cutting installation connecting plate 62 to rotate, and drive the cutting execution mechanism 7 and the cutting limit mechanism 8 to change the included angle with the impeller to be processed at the same time; The cutting limit mechanism 8 can fit one surface of the blade of the impeller to be processed. The position between the cutting execution mechanism 7 and the cutting limit mechanism 8 can be adjusted within a limited range. The cutting execution mechanism 7 can cut the other surface of the blade of the impeller to be processed.

[0023] In use, a water pump impeller (the water pump impeller can be an impeller blank processed by casting, or a semi-finished impeller processed by welding, etc., which needs to be cut and trimmed) is fixed inside the impeller clamping mechanism 3 (in this embodiment, two water pump impellers can be cut and processed at one time. Specifically, the two water pump impellers are respectively clamped inside the two impeller clamping mechanisms 3). Then, the operation cavity is enclosed by the outer protection frame 2. Inside the operation cavity, the cutting process of two water pump impellers can be carried out simultaneously: First, the translation drive mechanism 4 drives the sliding support plate 41 to carry the cutting moving arm 5 to move to the water pump impeller clamped by one impeller clamping mechanism 3, and cut and process the water pump impeller. At this time, driven by the cutting moving arm 5, the cutting execution mechanism 7 and the cutting limit mechanism 8 respectively arranged at both ends of the cutting installation connecting plate 62 are moved to the two surfaces of the blade of the water pump impeller. The cutting limit mechanism 8 is kept in contact with one surface of the blade of the water pump impeller. The position between the cutting execution mechanism 7 and the cutting limit mechanism 8 can be adjusted within a limited range. The cutting execution mechanism 7 can cut the other surface of the blade of the impeller to be processed, so that the cutting execution mechanism 7 can move within a small range under the restriction of the cutting limit mechanism 8, and the blade surface of the impeller can be cut more precisely, so as to remove the defects existing on the surface of the water pump impeller to be processed (defects such as excess burrs generated by casting or welding, or positions that need to be cut and removed after the dynamic balance test of the water pump impeller), and effectively process the water pump impeller to eliminate the defects of the water pump impeller and improve the rotational balance of the water pump impeller. After one water pump impeller is cut, the translation drive mechanism 4 drives the sliding support plate 41 to carry the cutting moving arm 5 to move to the water pump impeller clamped by the other impeller clamping mechanism 3, and cut the other water pump impeller. Thus, the cutting process of two water pump impellers can be carried out during the closing process of the operation cavity once, and the efficiency of batch production and processing of the water pump impeller can be improved accordingly.

[0024] Embodiment Two: Please refer to Figures 1 - 11 , which is different from the above embodiment in that the cutting execution mechanism 7 includes a cutting fixed base 71, a cutting elevation angle adjustment unit 72, a cutting installation base 73, and a rotary cutter 74. The cutting fixed base 71 is fixed to one end of the cutting installation connecting plate 62; the cutting elevation angle adjustment unit 72 includes an elevation angle adjustment plate 721 and an elevation angle adjustment motor 722. The cutting installation base 73 includes a cutting connection ring plate 731, a plurality of micro-adjustment cylinders 732, and a cutting installation substrate 733. The rotary cutter 74 includes a cutting tool holder 741 and a rotary drive motor 742.

[0025] The elevation adjustment plate 721 is fixed to the cutting connection ring plate 731. Both ends of the cutting connection ring plate 731 are rotatably connected to the cutting fixed base 71. The cutting tool holder 741 is rotatably connected to the cutting mounting substrate 733. The elevation adjustment motor 722 is fixed to the cutting fixed base 71. The elevation adjustment motor 722 is power-transmitted to the elevation adjustment plate 721 through the elevation adjustment gear 723. The elevation adjustment motor 722 can adjust the elevation angle of the cutting tool held inside the cutting tool holder 741 by adjusting the elevation angle of the cutting connection ring plate 731.

[0026] Both ends of each micro-adjustment cylinder 732 are respectively fixed to the cutting connection ring plate 731 and the cutting mounting substrate 733. Each micro-adjustment cylinder 732 can perform synchronous telescoping to drive the adjustment of the distance between the cutting tool held inside the cutting tool holder 741 and the cutting mounting base 73. The rotation drive motor 742 is power-connected to the cutting tool holder 741. The rotation drive motor 742 can drive the cutting tool held inside the cutting tool holder 741 to rotate to cut the impeller to be processed during the movement of the cutting tool held inside the cutting tool holder 741.

[0027] During use, the cutting fixed base 71 is fixed to one end of the cutting mounting connecting plate 62. Driven by the elevation adjustment motor 722, through the gear meshing transmission between the elevation adjustment gear 723 and the elevation adjustment plate 721, the elevation angle of the cutting connection ring plate 731 can be adjusted, and then the elevation angle of the cutting tool held inside the cutting tool holder 741 can be adjusted, so that the angle between the cutting tool and the blade can be adjusted. Since the cutting tool holder 741 is rotatably connected to the cutting mounting substrate 733, the distance between the cutting tool held inside the cutting tool holder 741 and the cutting mounting base 73 can be adjusted by the synchronous telescoping of each micro-adjustment cylinder 732, so that the distance between the cutting tool and the blade can be adjusted. Then, during the cutting process, the rotation drive motor 742 drives the cutting tool held inside the cutting tool holder 741 to rotate, and can cooperate with the changes in the angle between the cutting tool and the blade and the distance between the cutting tool and the blade (and the cutting moving arm 5 can also cooperate to drive the cutting tool to move), so as to accurately and effectively cut the surface of the blade of the water pump impeller, and thus the defects existing on the surface of the water pump impeller can be eliminated.

[0028] Embodiment Three: Please refer to Figures 1 - 11, different from the above embodiment, the cutting limit mechanism 8 includes a limit connecting rod 81, a limit extension rod 82 and two fitting limit link rods 83. One end of the limit connecting rod 81 is fixed to the other end of the cutting mounting connecting plate 62, and the other end of the limit connecting rod 81 is rotatably connected to the middle of the limit extension rod 82; the two fitting limit link rods 83 are respectively fixed to both ends of the limit extension rod 82, and fitting balls 84 are embedded at the ends of the two fitting limit link rods 83 away from the limit extension rod 82. The fitting limit link rods 83 can be telescoped under the elastic force of the springs arranged inside, and drive the fitting balls 84 to fit with the blade surface of the impeller to be processed.

[0029] The angle adjustment unit 61 includes an angle adjustment support 611 and at least two angle adjustment cylinders 612. The angle adjustment support 611 is rotatably connected to the cutting mounting connecting plate 62. The fixed ends of the angle adjustment cylinders 612 are fixed to the angle adjustment support 611, and the movable ends of the angle adjustment cylinders 612 are fixed to the cutting mounting connecting plate 62; during the synchronous telescoping of the movable ends of the angle adjustment cylinders 612, relative rotation can be driven between the cutting mounting connecting plate 62 and the angle adjustment support 611, and the maximum angle of relative rotation between the cutting mounting connecting plate 62 and the angle adjustment support 611 can be limited through the stroke of the movable ends of the angle adjustment cylinders 612.

[0030] During specific use, telescoping is carried out under the elastic force of the springs inside the two fitting limit link rods 83, driving the fitting balls 84 to fit with the blade surface of the impeller to be processed. Moreover, the other end of the limit connecting rod 81 is rotatably connected to the middle of the limit extension rod 82, so that the distance between the limit connecting rod 81 (the middle of the limit extension rod 82) and the blade surface of the water pump impeller can be kept at a relatively constant distance (changing within the range of millimeters), and through the action of the two fitting limit link rods 83, the influence of the curvature change at a single contact position on the position of the limit connecting rod 81 is reduced, and the distance between the limit connecting rod 81 and the cutting actuator 7 can be kept relatively constant (the telescoping of the fitting limit link rods 83 adapts to the change in the thickness of the water pump impeller along the direction of the connection line between the limit connecting rod 81 and the cutting actuator 7 caused by the change in the thickness and curvature of the water pump impeller). During specific use, through the synchronous telescoping of the movable ends of the angle adjustment cylinders 612, relative rotation is driven between the cutting mounting connecting plate 62 and the angle adjustment support 611, and the maximum angle of relative rotation between the cutting mounting connecting plate 62 and the angle adjustment support 611 can be limited through the stroke of the movable ends of the angle adjustment cylinders 612, so that the curvature of the water pump impeller can be adapted, and within a small cutting range of the cutting actuator 7, the blade surface of the water pump impeller can be effectively cut to eliminate defects.

[0031] Embodiment Four: Please refer toFigures 1 - 11 , the difference from the above embodiments is that the impeller clamping mechanism 3 includes clamping connection shaft seats 31. A clamping angle adjustment shaft 32 is rotatably installed inside the clamping connection shaft seat 31. At one end of the clamping angle adjustment shaft 32 close to the operation cavity, a three-jaw chuck 33 is fixedly arranged. Power transmission is provided between the other end of the clamping angle adjustment shaft 32 far from the operation cavity and a clamping angle adjustment motor 34. The three-jaw chuck 33 can clamp the impeller to be processed, and the clamping angle adjustment motor 34 can drive the clamping angle adjustment shaft 32 to rotate to adjust the angle of the impeller to be processed clamped by the three-jaw chuck 33.

[0032] The translation driving mechanism 4 further includes driving units 42 symmetrically arranged on both sides of the support pedestal 1. A translation track 11 is further arranged at the top of the support pedestal 1. The bottom end of the sliding support plate 41 is embedded inside the translation track 11. Each driving unit 42 includes a translation motor 421 and a translation driving screw 422. Extension connection plates 411 are respectively arranged at both ends of the sliding support plate 41. The two extension connection plates 411 are in threaded engagement with the two translation driving screws 422 respectively. The translation motor 421 can drive the sliding support plate 41 to translate between the two impeller clamping mechanisms 3 by driving the translation driving screw 422 to rotate.

[0033] The outer protection frame 2 is arranged outside the support pedestal 1. The outer protection frame 2 includes a fixed frame 21 and a movable door panel 22. The movable door panel 22 is slidably connected to the fixed frame 21. The opening and closing of the movable door panel 22 can open and isolate the operation cavity. The fixed end of the cutting moving arm 5 is fixed to the sliding support plate 41. The cutting moving arm 5 includes at least three free dimensions. The various free dimensions of the cutting moving arm 5 can cooperate together to drive the movable end of the cutting moving arm 5 to move inside the operation cavity.

[0034] During use, through the sliding connection between the movable door panel 22 and the fixed frame 21, the opening and closing of the movable door panel 22 can open and isolate the operation cavity, and effectively isolate the cutting process inside the operation cavity. During the cutting process, the water pump impeller is stably clamped by the three-jaw chuck 33 (the three-jaw chuck 33 is a common technical solution in the prior art and will not be elaborated here). Thus, the output power of the clamping angle adjustment motor 34 is transmitted through the rotation of the driving clamping angle adjustment shaft 32 to drive the three-jaw chuck 33 to carry the water pump impeller to rotate, thereby adjusting the angle of the impeller to be processed clamped by the three-jaw chuck 33 to cooperate with the cutting process of the water pump impeller. The translation motor 421 outputs power to drive the translation drive screw 422 to rotate. Through the threaded engagement between the extension connecting plate 411 and the corresponding translation drive screw 422, the extension connecting plate 411 is driven to move. Then, under the restriction of the translation track 11, the sliding support plate 41 is driven to translate between the two impeller clamping mechanisms 3, and further drive the cutting moving arm 5 to drive the cutting execution mechanism 7 and the cutting limit mechanism 8 to move. Through the combined movement of the free dimensions of the cutting moving arm 5, the movable end of the cutting moving arm 5 can be driven to move inside the operation cavity, so that the cutting execution mechanism 7 can be driven to move to any required cutting position of the water pump impeller to cooperate with the cutting execution mechanism 7 and the cutting limit mechanism 8 to eliminate the defects in the cutting process.

[0035] Embodiment 5: A processing method for manufacturing a water pump impeller, using a cutting device for manufacturing a water pump impeller as described in any one of Embodiments 1 to 4, includes the following steps: S1. Fix the cast water pump impeller inside the impeller clamping mechanism 3, and close the operation cavity through the outer protection frame 2. Two water pump impellers can be cut simultaneously inside the operation cavity. S2. The translation drive mechanism 4 drives the sliding support plate 41 to carry the cutting moving arm 5 to move to the water pump impeller clamped by one impeller clamping mechanism 3. S3. Driven by the cutting moving arm 5, the cutting execution mechanism 7 and the cutting limit mechanism 8 respectively arranged at both ends of the cutting installation connecting plate 62 are moved to the two surfaces of the blade of the water pump impeller. S4. The cutting limit mechanism 8 keeps in contact with one surface of the blade of the water pump impeller. The position between the cutting execution mechanism 7 and the cutting limit mechanism 8 can be adjusted within a limited range, and the cutting execution mechanism 7 can cut the other surface of the blade of the impeller to be processed. S5. After one water pump impeller is cut, the translation drive mechanism 4 drives the sliding support plate 41 to carry the cutting moving arm 5 to move to the water pump impeller clamped by the other impeller clamping mechanism 3 to cut the other water pump impeller.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting device for the production and processing of a water pump impeller, comprising a support pedestal (1) and an outer protection frame (2), characterized in that: An operation cavity is formed between the support pedestal (1) and the outer protection frame (2). Impeller clamping mechanisms (3) are respectively arranged on both sides of the support pedestal (1), and the two impeller clamping mechanisms (3) can respectively clamp and extend the impeller to be processed into the operation cavity. A translation driving mechanism (4) is arranged on one side of the support pedestal (1), and the translation driving mechanism (4) can drive the sliding support plate (41) to translate between the two impeller clamping mechanisms (3). A cutting moving arm (5) is fixedly arranged on the top of the sliding support plate (41). An angle adjusting mechanism (6) is arranged at the movable end of the cutting moving arm (5). The angle adjusting mechanism (6) includes an angle adjusting unit (61) and a cutting installation connecting plate (62). A cutting execution mechanism (7) and a cutting limiting mechanism (8) are respectively arranged at both ends of the cutting installation connecting plate (62). The cutting moving arm (5) can move the cutting execution mechanism (7) and the cutting limiting mechanism (8) to the two surfaces of the blade of the impeller to be processed respectively by driving the cutting installation connecting plate (62). The angle adjusting unit (61) can drive the cutting installation connecting plate (62) to rotate, and drive the cutting execution mechanism (7) and the cutting limiting mechanism (8) to change the included angle with the impeller to be processed at the same time. The cutting limiting mechanism (8) can fit on one surface of the blade of the impeller to be processed. The position between the cutting execution mechanism (7) and the cutting limiting mechanism (8) can be adjusted within a limited range, and the cutting execution mechanism (7) can cut the other surface of the blade of the impeller to be processed.

2. The cutting device for the production and processing of a water pump impeller according to claim 1, wherein: The cutting execution mechanism (7) includes a cutting fixed base (71), a cutting elevation angle adjusting unit (72), a cutting installation base (73) and a rotary cutter (74). The cutting fixed base (71) is fixed to one end of the cutting installation connecting plate (62). The cutting elevation angle adjusting unit (72) includes an elevation angle adjusting plate (721) and an elevation angle adjusting motor (722). The cutting installation base (73) includes a cutting connecting ring plate (731), a plurality of micro-adjusting cylinders (732) and a cutting installation substrate (733). The rotary cutter (74) includes a cutting tool holder (741) and a rotary driving motor (742).

3. A cutting device for the production and processing of a water pump impeller according to claim 2, characterized in that: The elevation angle adjusting plate (721) is fixed to the cutting connecting ring plate (731). Both ends of the cutting connecting ring plate (731) are rotatably connected to the cutting fixed base (71). The cutting tool holder (741) is rotatably connected to the cutting installation substrate (733). The elevation angle adjusting motor (722) is fixed to the cutting fixed base (71). The elevation angle adjusting motor (722) is power-transmitted to the elevation angle adjusting plate (721) through an elevation angle adjusting gear (723). The elevation angle adjusting motor (722) can adjust the elevation angle of the cutting tool clamped inside the cutting tool holder (741) by adjusting the elevation angle of the cutting connecting ring plate (731).

4. A cutting device for the production and processing of a water pump impeller according to claim 3, characterized in that: Both ends of each of the micro-adjustment cylinders (732) are fixed between the cutting connection ring plate (731) and the cutting mounting substrate (733). Each of the micro-adjustment cylinders (732) can extend and retract synchronously to adjust the distance between the cutting tool clamped inside the cutting tool holder (741) and the cutting mounting base (73). The rotary drive motor (742) is power-connected to the cutting tool holder (741). The rotary drive motor (742) can drive the cutting tool clamped inside the cutting tool holder (741) to rotate, and cut the impeller to be processed during the movement of the cutting tool clamped inside the cutting tool holder (741).

5. A cutting device for the production and processing of a water pump impeller according to claim 4, characterized in that: The cutting limit mechanism (8) includes a limit connecting rod (81), a limit extension rod (82), and two fitting limit connecting rods (83). One end of the limit connecting rod (81) is fixed to the other end of the cutting mounting connecting plate (62), and the other end of the limit connecting rod (81) is rotatably connected to the middle of the limit extension rod (82). Two fitting limit connecting rods (83) are respectively fixed to both ends of the limit extension rod (82). Fitting balls (84) are embedded at the ends of the two fitting limit connecting rods (83) away from the limit extension rod (82). The fitting limit connecting rods (83) can all expand and contract under the elastic force of the springs arranged inside, driving the fitting balls (84) to fit with the blade surfaces of the impeller to be processed.

6. A cutting device for the production and processing of a water pump impeller according to claim 1, characterized in that: The angle adjustment unit (61) includes an angle adjustment support (611) and at least two angle adjustment cylinders (612). The angle adjustment support (611) is rotatably connected to the cutting mounting connecting plate (62). The fixed ends of the angle adjustment cylinders (612) are all fixed to the angle adjustment support (611), and the movable ends of the angle adjustment cylinders (612) are all fixed to the cutting mounting connecting plate (62). During the synchronous expansion and contraction of the movable ends of the angle adjustment cylinders (612), it can drive relative rotation between the cutting mounting connecting plate (62) and the angle adjustment support (611), and can limit the maximum angle of relative rotation between the cutting mounting connecting plate (62) and the angle adjustment support (611) through the active stroke of each angle adjustment cylinder (612).

7. The cutting device for the production and processing of a water pump impeller according to claim 1, wherein: The impeller clamping mechanism (3) all includes a clamping connection shaft seat (31). A clamping angle adjustment shaft (32) is rotatably installed inside the clamping connection shaft seat (31). Three-jaw chucks (33) are fixedly arranged at the ends of the clamping angle adjustment shafts (32) close to the operation cavity, and the ends of the clamping angle adjustment shafts (32) away from the operation cavity are all power-transmitted to the clamping angle adjustment motors (34). The three-jaw chucks (33) can clamp the impeller to be processed, and the clamping angle adjustment motors (34) can adjust the angle of the impeller to be processed clamped by the three-jaw chucks (33) by driving the clamping angle adjustment shafts (32) to rotate.

8. A cutting device for the production and processing of a water pump impeller according to claim 1, characterized in that: The translation driving mechanism (4) further includes driving units (42) symmetrically arranged on both sides of the support pedestal (1). A translation track (11) is further arranged at the top of the support pedestal (1), and the bottom end of the sliding support plate (41) is embedded inside the translation track (11). Each driving unit (42) includes a translation motor (421) and a translation driving screw (422). Extension connecting plates (411) are respectively arranged at both ends of the sliding support plate (41). The two extension connecting plates (411) are respectively in threaded engagement with the two translation driving screws (422). The translation motor (421) can drive the sliding support plate (41) to translate between the two impeller clamping mechanisms (3) by driving the translation driving screw (422) to rotate.

9. A cutting device for the production and processing of a water pump impeller according to claim 1, characterized in that: The outer protection frame (2) is arranged outside the support pedestal (1). The outer protection frame (2) includes a fixed frame (21) and a movable door panel (22). The movable door panel (22) is slidably connected to the fixed frame (21). The opening and closing of the movable door panel (22) can open and isolate the operation cavity. The fixed end of the cutting moving arm (5) is fixed to the sliding support plate (41). The cutting moving arm (5) includes at least three free dimensions. The cooperation of the free dimensions of the cutting moving arm (5) can drive the movable end of the cutting moving arm (5) to move inside the operation cavity.

10. A processing method for the production of a water pump impeller, characterized in that, Using a cutting device for the production and processing of water pump impellers as described in any one of claims 1-9, the following steps are included: S1. Fix the cast water pump impeller inside the impeller clamping mechanism (3), and close the operation cavity through the outer protection frame (2). Two water pump impellers can be cut simultaneously inside the operation cavity. S2. The translation driving mechanism (4) drives the sliding support plate (41) to carry the cutting moving arm (5) and move to the water pump impeller clamped by one impeller clamping mechanism (3). S3. Through the driving of the cutting moving arm (5), the cutting execution mechanism (7) and the cutting limiting mechanism (8) respectively arranged at both ends of the cutting installation connecting plate (62) are moved to the two surfaces of the blade of the water pump impeller respectively. S4. The cutting limiting mechanism (8) keeps fitting with one surface of the blade of the water pump impeller. The position between the cutting execution mechanism (7) and the cutting limiting mechanism (8) can be adjusted within a limited range. The cutting execution mechanism (7) can cut the other surface of the blade of the impeller to be processed. S5. After one water pump impeller is cut, the translation driving mechanism (4) drives the sliding support plate (41) to carry the cutting moving arm (5) and move to the water pump impeller clamped by the other impeller clamping mechanism (3) to cut the other water pump impeller.

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