Automatic assembling machine for cleaning machine

Abstract

The utility model belongs to the technical field of automatic assembling equipment, and particularly relates to an automatic assembling machine for a cleaning machine, which comprises a rack, a workbench is mounted on the rack, a workpiece positioning device is arranged on the workbench, and fan blade feeding devices are respectively arranged on the peripheral side of the workbench and are used for placing fan blades on the workpiece positioning device; the first feeding station is used for placing a machine shell, an end cover, a stator and rotor assembly and a bearing on the workpiece positioning device; a press fitting device; the screw locking device I is used for fastening the shell and the end cover; the second feeding station is used for placing the swash plate into the end cover; the screw locking device II is used for fastening the swash plate and the motor shaft; according to the automatic assembling machine, automatic assembling of parts of the cleaning machine is achieved through a plurality of different assembling stations, compared with a manual assembling mode in the prior art, the assembling efficiency of the automatic assembling machine is higher, mass production can be achieved, and therefore the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic assembly equipment, in particular to an automatic assembly machine for a cleaning machine. Background Art

[0002] A cleaning machine generally includes a housing, an end cover, a pump head, a motor located in the housing, a cooling fan connected to the motor shaft, and a swash plate. In the actual assembly process, the motor needs to be pressed into the housing, and the fan needs to be pressed onto the outer periphery of the motor shaft. The housing and the end cover are fastened together with four screws around them, and then the swash plate is connected to the motor shaft with screws. Oil is then injected into the container between the pump head and the end cover, and the pump head and the end cover are fastened together with screws. The above assembly processes are all performed manually, and manual operation is inefficient. Utility Model Content

[0003] The utility model aims to provide an automatic assembly machine for a cleaning machine, which realizes automatic assembly through multiple workstations and solves the problem of low efficiency of manual assembly.

[0004] The purpose of the utility model is achieved as follows: an automatic assembly machine for a cleaning machine comprises a frame, a workbench is mounted on the frame, the workbench is connected to a power source for driving its rotation, a workpiece positioning device is arranged on the workbench, and the peripheral sides of the workbench are respectively provided with

[0005] A fan blade feeding device, used for placing the fan blade on the workpiece positioning device;

[0006] Loading station 1 is used to place the casing, end cover, stator and rotor assembly on the workpiece positioning device;

[0007] A press-fit device is used to press-fit the fan blades, casing, end cover, stator and rotor components together;

[0008] Screw locking device 1, used to fasten the housing and the end cover;

[0009] The second loading station is located between the press-fit device and the second screw locking device and is used to place the inclined plate into the end cover;

[0010] The second screw locking device is used to fasten the swash plate and the motor shaft;

[0011] The oil filling station is used to inject oil into the end cover;

[0012] Loading station three is used to place the pump head on the workpiece positioning device;

[0013] Locking screw device three is used to fasten the pump head and end cover.

[0014] Preferably, the pressing device includes a fixed seat, a pressing power source is installed on the fixed seat, the output shaft of the pressing power source is installed with a connecting shaft, a pressing block is provided at the lower end of the connecting shaft, a push rod is movably provided in the pressing block, a push core cylinder is provided on the side of the connecting shaft, a pressing shaft push core is installed on the output shaft of the push core cylinder, and one end of the pressing shaft push core can be extended into the connecting shaft and limit the movement of the push rod.

[0015] Preferably, the screw locking device comprises a mounting frame, an optical axis is arranged in the mounting frame, a slidable upper clamping plate and a lower clamping plate are respectively installed on the outer periphery of the optical axis, a power source is installed on the upper end of the mounting frame, the output shaft of the power source is connected and used to drive the clamping plate to move, a rotating power source is arranged on the upper clamping plate, a screw guide rod is installed on the output shaft of the rotating power source, the outer periphery of the screw guide rod is connected with the lower clamping plate through an adjusting block, a pressing sheet is installed in the lower clamping plate, a limiting plate is installed on the outer periphery of the lower end of the optical axis, a lifting cylinder is arranged on the limiting plate, and a lifting block for resting against the casing is installed on the output shaft of the lifting cylinder.

[0016] Preferably, the second screw locking device includes a mounting frame 2, an optical axis 2 is arranged inside the mounting frame 2, and a slidable upper clamping plate 2 and a lower clamping plate 2 are respectively installed on the outer periphery of the optical axis 2, a power source 3 is installed on the upper end of the mounting frame 2, the output shaft of the power source 3 is connected and used to drive the clamping plate to move, a rotating power source 2 is arranged on the upper clamping plate 2, and a screw guide rod 2 is installed on the output shaft of the rotating power source 2, and the screw guide rod 2 is connected to the lower clamping plate 2 through an adjusting block 2, and a pressing sheet 2 is arranged on the outer periphery of the screw guide rod 2, and pressing shafts are respectively arranged at both ends of the pressing sheet 2, and the pressing shafts are connected to the lower clamping plate 2 through a pressing cross bar.

[0017] Preferably, the screw locking device three comprises a mounting frame three, an optical axis three is arranged in the mounting frame three, and a slidable upper clamping plate three and a lower clamping plate three are respectively installed on the outer periphery of the optical axis three, a power source four is installed on the upper end of the mounting frame three, the output shaft of the power source four is connected and used to drive the clamping plate to move, a rotating power source three is arranged on the upper clamping plate three, a screw guide rod three is installed on the output shaft of the rotating power source three, the outer periphery of the screw guide rod three is connected to the lower clamping plate three through an adjusting block three, a pressing sheet three is installed in the lower clamping plate three, a limiting plate two is installed on the outer periphery of the lower end of the optical axis three, a lifting cylinder two is arranged on the limiting plate two, and a lifting block two for resting against the casing is installed on the output shaft of the lifting cylinder two.

[0018] Preferably, a material unloading station is provided on the peripheral side of the workbench, and a manipulator grasping device is provided on one side of the material unloading station.

[0019] Preferably, the fan blade feeding device comprises a fan blade stacking turntable and a fan blade grabbing mechanism, and the fan blade stacking turntable is provided with a plurality of positioning rods for placing the fan blades.

[0020] Preferably, the workpiece positioning device comprises a fixture bottom plate, and an inner support positioning platform and a pump head positioning frame are respectively arranged on the fixture bottom plate.

[0021] Preferably, a positioning column is provided in the inner support positioning platform, the pump head positioning frame includes an optical axis four, a floating tooling plate is installed on the upper end of the optical axis four, and a pump head left positioning piece, a pump head right positioning piece and a pump head front positioning piece are respectively installed on the floating tooling plate, a backrest is provided on one side of the fixture bottom plate, a casing positioning top block is installed on the side of the backrest, an end cover positioning plate is provided on the upper end of the backrest, and positioning pieces are respectively provided at both ends of the end cover positioning plate.

[0022] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0023] The utility model realizes automatic assembly of cleaning machine parts through a plurality of different assembly stations. Compared with the manual assembly method adopted in the prior art, the assembly machine of the utility model has higher assembly efficiency and can realize mass production, thereby reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of the automatic assembly machine.

[0025] Figure 2 It is a structural schematic diagram of the fan blade feeding device.

[0026] Figure 3 It is a schematic diagram of the structure of the press-fitting device.

[0027] Figure 4 It is a structural schematic diagram of a screw locking device.

[0028] Figure 5 It is a structural schematic diagram of the second screw locking device.

[0029] Figure 6 It is a structural schematic diagram of the screw locking device three.

[0030] Figure 7 It is a structural schematic diagram of the workbench and workpiece positioning device.

[0031] Figure 8 Schematic diagram of the workpiece positioning device Figure 1 .

[0032] Fig. 9 Schematic diagram of the workpiece positioning device Figure 2 .

[0033] Fig.10 This is an exploded view of the parts of the cleaning machine.

[0034] Figure numerals: 1-frame; 2-workbench; 4-workpiece positioning device; 5-fan blade feeding device; 6-feeding station 1; 7-pressing device; 8-screw locking device 1; 10-screw locking device 2; 11-oiling station; 12-feeding station 3; 13-screw locking device 3; 14-fixed seat; 15-pressing power source; 16-pressing block; 17-mounting frame 1; 18-optical axis 1; 19-upper clamping plate 1; 20-lower clamping plate 1; 21-power source 2; 22- Rotating power source 1; 23-screw guide rod 1; 24-adjusting block 1; 25-pressing piece 1; 26-mounting frame 2; 27-optical axis 2; 28-upper clamping plate 2; 29-lower clamping plate 2; 30-power source 3; 31-rotating power source 2; 32-screw guide rod 2; 33-adjusting block 2; 34-pressing piece 2; 35-pressing shaft; 36-pressing cross bar; 37-mounting frame 3; 38-optical axis 3; 39-upper clamping plate 3; 40-lower clamping plate 3; 41-power source 4 ;42-rotational power source three;43-screw guide rod three;44-adjustment block three;45-pressing piece three;46-unloading station;47-manipulator grabbing device;48-fan blade stacking turntable;49-fan blade grabbing mechanism;50-positioning rod;51-clamp bottom plate;52-inner support positioning table;53-pump head positioning frame;54-fan blade;55-casing;56-end cover;57-stator and rotor assembly;58-swash plate;59-pump head;591-bearing;60-limit Plate one; 61-lifting cylinder one; 62-lifting block one; 63-limiting plate two; 64-lifting cylinder two; 65-lifting block two; 66-connecting shaft; 67-lifting rod; 68-lifting core cylinder; 69-pressing shaft and pushing core; 70-optical axis four; 71-floating tooling plate; 72-pump head left positioning piece; 73-pump head right positioning piece; 74-pump head front positioning piece; 75-backrest; 76-casing positioning top block; 77-end cover positioning plate; 78-positioning piece; 79-positioning column. DETAILED DESCRIPTION

[0035] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0036] like Figure 1 As shown, an automatic assembly machine for a cleaning machine assembles a fan blade, a casing, an end cover, a stator and rotor assembly, a swash plate and a pump head together, including a frame 1, a workbench 2 is installed on the frame 1, the workbench 2 is connected to a power source 1 for driving its rotation, a workpiece positioning device 4 is provided on the workbench 2, and the workpiece positioning device 4 is used to place the parts to be assembled, and the peripheral sides of the workbench 2 are respectively provided with

[0037] The fan blade feeding device 5 is used to place the fan blade 54 on the workpiece positioning device 4;

[0038] A loading station 1 6 is used to place the housing 55, the end cover 56, and the stator and rotor assembly 57 on the workpiece positioning device 4;

[0039] A press-fit device 7, used to press-fit the fan blade 54, the housing 55, the end cover 56, and the stator and rotor assembly 57 together;

[0040] A screw locking device 8, used to fasten the housing 55 and the end cover 56;

[0041] The second loading station is located between the press-fit device 7 and the second screw locking device 10 and is used to place the inclined plate 58 into the end cover 56;

[0042] The second screw locking device 10 is used to fasten the swash plate 58 and the motor shaft;

[0043] The oil filling station 11 is used to inject oil into the end cover 56. The oil filling station 11 can be an independent station or a grease gun installed on the screw locking device 10;

[0044] The third loading station 12 is used to place the pump head 59 on the workpiece positioning device 4;

[0045] The screw locking device 13 is used to fasten the pump head 59 and the end cover 56.

[0046] The utility model realizes automatic assembly of cleaning machine parts through a plurality of different assembly stations. Compared with the manual assembly method adopted in the prior art, the assembly machine of the utility model has higher assembly efficiency and can realize mass production, thereby reducing production costs.

[0047] In the actual working process, the fan blade 54 is automatically grabbed by the fan blade feeding device 5 and placed in the workpiece positioning device 4, and then the workbench 2 rotates to make the workpiece positioning device 4 to the loading station 6, and the housing 55, the end cover 56, the stator and rotor assembly 57, and the bearing 591 are manually placed on the workpiece positioning device 4, and then the workbench 2 is rotated to the bottom of the press-fitting device 7, so that the fan blade 54, the housing 55, the end cover 56, the stator and rotor assembly 57, and the bearing 591 are pressed together to form a preliminary assembly and fixation, and then enter the bottom of the locking screw device 8 to automatically screw the screws into the housing 55 and The machine enters the second loading station, where the inclined plate 58 is manually placed into the end cover 56, and then enters the second screw locking device 10, which automatically screws the screws into the inclined plate 58 and the motor shaft to securely connect the two. The machine then enters the oil filling station 11, where the oil is injected into the end cover 26 through the oil pipe, and then enters the third loading station 12, where the pump head 59 is manually placed on the workpiece positioning device 4, and then enters the third screw locking device 13, which automatically screws the screws into the pump head 59 and the end cover 56 to securely connect the two, thereby completing the assembly of the cleaning machine.

[0048] Look specifically Figure 3The press-fitting device 7 includes a fixed seat 14, on which a press-fitting power source 15 is installed, and an output shaft of the press-fitting power source 15 is installed with a connecting shaft 66, a pressing block 16 is provided at the lower end of the connecting shaft 66, and a push rod 67 is movably provided in the pressing block 16, and a push core cylinder 68 is provided on the side of the connecting shaft 66, and a press core push core 69 is installed on the output shaft of the push core cylinder 68, and one end of the press core push core 69 can be extended into the connecting shaft 66 and limit the movement of the push rod 67. The press-fitting power source 15 is an electric cylinder. In the actual assembly process, first, the push core cylinder 68 drives one end of the press core push core 69 to extend into the connecting shaft 66 and limit the upward movement of the push rod 67, and then The pressing power source 15 drives the connecting shaft 66 to descend, and is pressed on the upper end surface of the main shaft in the stator-rotor assembly 57 through the push rod 67, so that the stator-rotor assembly 57 is pressed together with the bearing 591 and the fan blade 54 below, and then the push core cylinder 68 drives one end of the pressing shaft push core 69 to extend out of the connecting shaft 66 and release the restriction on the upward movement of the push rod 67. The pressing power source 15 drives the connecting shaft 66 to descend again. At this time, the push rod 67 is retracted into the pressing block 16, so that the pressing block 16 is pressed on the upper end surface of the end cover 56, so that the stator-rotor assembly 57 is pressed together with the bearing 591 above and the end cover 56, thereby realizing the press-fitting of multiple components together to form a preliminary fixed connection.

[0049] Look specifically Figure 4 The screw locking device 8 includes a mounting frame 17, an optical axis 18 is arranged in the mounting frame 17, and a slidable upper clamping plate 19 and a lower clamping plate 20 are respectively installed on the outer periphery of the optical axis 18. A power source 21 is installed on the upper end of the mounting frame 17, and the output shaft of the power source 21 is connected and used to drive the clamping plate to move. A rotating power source 22 is arranged on the upper clamping plate 19, and a screw guide rod 23 is installed on the output shaft of the rotating power source 22. The outer periphery of the screw guide rod 23 is connected to the lower clamping plate 20 through an adjusting block 24. The installation position of the screw guide rod 23 can be adjusted by adjusting the adjusting block 24. The lower clamping plate 20 A pressing piece 25 is installed inside, and a limiting plate 60 is installed on the outer periphery of the lower end of the optical axis 18. A lifting cylinder 61 is arranged on the limiting plate 60, and an output shaft of the lifting cylinder 61 is installed with a lifting block 62 for abutting against the casing 55. In the actual screw locking process of this station, first, the power source 21 drives the clamping plate to descend, so that the pressing piece 25 is pressed on the upper end surface of the end cover 56 to prevent its displacement, and the lifting cylinder 61 drives the lifting block 62 to abut against the side of the casing 55, and then the power source 22 is rotated to drive the screw guide rod 23 to rotate, and the screw is locked into the end cover 56 and the casing 55.

[0050] Look specifically Figure 5The screw locking device 10 includes a mounting frame 26, an optical axis 27 is arranged in the mounting frame 26, and a slidable upper clamping plate 28 and a lower clamping plate 29 are respectively installed on the outer periphery of the optical axis 27. A power source 30 is installed on the upper end of the mounting frame 26, and the output shaft of the power source 30 is connected and used to drive the clamping plate to move. A rotating power source 31 is arranged on the upper clamping plate 28, and a screw guide rod 2 32 is installed on the output shaft of the rotating power source 31. The screw guide rod 2 32 is connected to the lower clamping plate 29 through an adjusting block 2 33, and the adjusting block 2 33 can adjust the installation position of the screw guide rod 2 32, and the outer periphery of the screw guide rod 2 32 is provided with a pressure piece 2 34, and the two ends of the pressure piece 2 34 are respectively provided with a pressure shaft 35, and the pressure shaft 35 is connected to the lower clamping plate 29 through the pressure cross bar 36. In the actual screw locking process of this station, first, the power source 30 drives the clamping plate to descend, so that the pressure piece 2 34 is pressed on the upper end surface of the inclined plate 58 to prevent its displacement, and then the power source 2 31 is rotated to drive the screw guide rod 2 32 to rotate, and the screw is locked into the inclined plate 58 and the motor shaft.

[0051] Look specifically Figure 6 The screw locking device 313 includes a mounting frame 37, an optical axis 38 is arranged in the mounting frame 37, and a slidable upper clamping plate 39 and a lower clamping plate 340 are respectively installed on the outer periphery of the optical axis 38. A power source 41 is installed on the upper end of the mounting frame 37, and the output shaft of the power source 41 is connected and used to drive the clamping plate to move. A rotating power source 342 is arranged on the upper clamping plate 39, and a screw guide rod 343 is installed on the output shaft of the rotating power source 342. The outer periphery of the screw guide rod 343 is connected to the lower clamping plate 340 through an adjusting block 344. The installation position of the screw guide rod 343 can be adjusted by adjusting the block 344. The lower clamping plate 340 A pressure piece 3 45 is installed inside, and a limiting plate 2 63 is installed on the outer periphery of the lower end of the optical axis 38. A pushing cylinder 2 64 is arranged on the limiting plate 2 63, and an output shaft of the pushing cylinder 2 64 is installed with a pushing block 2 65 for abutting against the casing 55. In the actual screw locking process of this station, first, the power source 41 drives the clamping plate to descend, so that the pressure piece 3 45 is pressed against the upper end surface of the pump head 59 to prevent its displacement, and the pushing cylinder 2 64 drives the pushing block 2 65 to abut against the side of the casing 55, and then drives the screw guide rod 3 43 to rotate by rotating the power source 3 42 to lock the screw into the end cover 56 and the pump head 59.

[0052] A material unloading station 46 is also provided on the peripheral side of the workbench 2, and a manipulator grasping device 47 is provided on one side of the material unloading station 46, so as to automatically clamp and stack the assembled cleaning machine and place it in the next station, which is an assembly line or a pallet.

[0053] The workpiece positioning device 4 includes a fixture bottom plate 51, on which an inner support positioning platform 52 and a pump head positioning frame 53 are respectively provided, a positioning column 79 is provided in the inner support positioning platform 52, and a through hole for the positioning column 79 to pass through is opened in the fan blade 54, so as to realize the positioning of the fan blade 54, and the pump head positioning frame 53 includes an optical axis 70, and a floating tooling plate 71 is installed on the upper end of the optical axis 70, and a spring is abutted on the lower end surface of the floating tooling plate 71, and the floating tooling plate 71 is abutted against the spring. 1 are respectively mounted with a pump head left positioning member 72, a pump head right positioning member 73 and a pump head front positioning member 74, so as to realize the positioning and installation of the pump head 59. A backrest 75 is arranged on one side of the fixture bottom plate 51, and a housing positioning top block 76 is installed on the side of the backrest 75, so as to realize the positioning of the housing 55. An end cover positioning plate 77 is arranged on the upper end of the backrest 75, and positioning pieces 78 are respectively arranged at both ends of the end cover positioning plate 77, so as to realize the positioning of the end cover 56.

[0054] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic assembly machine for a cleaning machine, characterized in that: The machine comprises a frame (1), a workbench (2) is mounted on the frame (1), the workbench (2) is connected to a power source for driving the workbench (2) to rotate, a workpiece positioning device (4) is arranged on the workbench (2), and the peripheral sides of the workbench (2) are respectively provided with A fan blade feeding device (5) for placing the fan blade (54) on the workpiece positioning device (4); A loading station (6) is used to place the housing (55), the end cover (56), the stator and rotor assembly (57), and the bearing (591) on the workpiece positioning device (4); A press-fit device (7) is used to press-fit the fan blade (54), the housing (55), the end cover (56), the stator and rotor assembly (57), and the bearing (591) together; A screw locking device (8) for fastening the housing (55) and the end cover (56); The second loading station is located between the press-fitting device (7) and the second screw locking device (10), and is used to place the inclined plate (58) into the end cover (56); The second screw locking device (10) is used to fasten the swash plate (58) and the motor shaft; An oil filling station (11) for injecting oil into the end cover (56); A loading station three (12), used for placing the pump head (59) on the workpiece positioning device (4); The third locking screw device (13) is used to fasten the pump head (59) and the end cover (56).

2. The automatic assembly machine for a cleaning machine according to claim 1, characterized in that: The pressing device (7) comprises a fixed seat (14), a pressing power source (15) is installed on the fixed seat (14), a connecting shaft (66) is installed on the output shaft of the pressing power source (15), a pressing block (16) is arranged at the lower end of the connecting shaft (66), a push rod (67) is movably arranged in the pressing block (16), a push core cylinder (68) is arranged on the side of the connecting shaft (66), a pressing core push core (69) is installed on the output shaft of the push core cylinder (68), and one end of the pressing core push core (69) can extend into the connecting shaft (66) and limit the movement of the push rod (67).

3. The automatic assembly machine for a cleaning machine according to claim 1, characterized in that: The screw locking device (8) comprises a mounting frame (17), an optical axis (18) is arranged inside the mounting frame (17), and a slidable upper clamping plate (19) and a lower clamping plate (20) are respectively arranged on the outer periphery of the optical axis (18), a power source (21) is arranged on the upper end of the mounting frame (17), an output shaft of the power source (21) is connected and used to drive the clamping plate to move, a rotating power source (22) is arranged on the upper clamping plate (19), and the rotating power source (22) ) is installed with a screw guide rod (23) on its output shaft, the outer periphery of which is connected to the lower clamping plate (20) through an adjusting block (24), a material pressing sheet (25) is installed in the lower clamping plate (20), a limiting plate (60) is installed on the outer periphery of the lower end of the optical axis (18), a material pushing cylinder (61) is arranged on the limiting plate (60), and a material pushing block (62) for abutting against the casing (55) is installed on the output shaft of the material pushing cylinder (61).

4. The automatic assembly machine for a cleaning machine according to claim 1, characterized in that: The second screw locking device (10) comprises a second mounting frame (26), in which an optical axis (27) is arranged, and a slidable upper clamping plate (28) and a lower clamping plate (29) are respectively arranged on the outer periphery of the second optical axis (27), and a power source (30) is arranged on the upper end of the second mounting frame (26), and the output shaft of the power source (30) is connected and used to drive the clamping plate to move, and a rotating power source (31) is arranged on the second upper clamping plate (28), and the output shaft of the rotating power source (31) is installed with a screw guide rod (32), and the screw guide rod (32) is connected to the second lower clamping plate (29) through an adjusting block (33), and a pressing sheet (34) is arranged on the outer periphery of the second screw guide rod (32), and a pressing shaft (35) is respectively arranged at both ends of the pressing sheet (34), and the pressing shaft (35) is connected to the second lower clamping plate (29) through a pressing cross bar (36).

5. The automatic assembly machine for a cleaning machine according to claim 1, characterized in that: The screw locking device 3 (13) comprises a mounting frame 3 (37), an optical axis 3 (38) is arranged inside the mounting frame 3 (37), and a slidable upper clamping plate 3 (39) and a lower clamping plate 3 (40) are respectively installed on the outer periphery of the optical axis 3 (38), a power source 4 (41) is installed at the upper end of the mounting frame 3 (37), and the output shaft of the power source 4 (41) is connected and used to drive the clamping plate to move, and a rotating power source 3 (42) is arranged on the upper clamping plate 3 (39), and the rotating power source 3 (41) is installed on the upper end of the mounting frame 3 (37). The output shaft of the optical axis 3 (38) is provided with a screw guide rod 3 (43), the outer periphery of which is connected to the lower clamping plate 3 (40) through an adjusting block 3 (44), a pressing sheet 3 (45) is installed in the lower clamping plate 3 (40), a limiting plate 2 (63) is installed on the outer periphery of the lower end of the optical axis 3 (38), a lifting cylinder 2 (64) is provided on the limiting plate 2 (63), and the output shaft of the lifting cylinder 2 (64) is provided with a lifting block 2 (65) for abutting against the casing (55).

6. The automatic assembly machine for a cleaning machine according to claim 1, characterized in that: A material unloading station (46) is also provided on the peripheral side of the workbench (2), and a manipulator grasping device (47) is provided on one side of the material unloading station (46).

7. The automatic assembly machine for a cleaning machine according to claim 1, characterized in that: The fan blade feeding device (5) comprises a fan blade stacking turntable (48) and a fan blade grabbing mechanism (49). The fan blade stacking turntable (48) is provided with a plurality of positioning rods (50) for placing the fan blades (54).

8. The automatic assembly machine for a cleaning machine according to claim 1, characterized in that: The workpiece positioning device (4) comprises a fixture bottom plate (51), on which an inner support positioning platform (52) and a pump head positioning frame (53) are respectively arranged.

9. The automatic assembly machine for a cleaning machine according to claim 8, characterized in that: A positioning column (79) is arranged inside the inner support positioning platform (52), and the pump head positioning frame (53) includes an optical axis four (70). A floating tooling plate (71) is installed at the upper end of the optical axis four (70), and a pump head left positioning member (72), a pump head right positioning member (73) and a pump head front positioning member (74) are respectively installed on the floating tooling plate (71). A backrest (75) is arranged on one side of the clamp bottom plate (51), and a casing positioning top block (76) is installed on the side of the backrest (75). An end cover positioning plate (77) is arranged at the upper end of the backrest (75), and positioning pieces (78) are respectively arranged at both ends of the end cover positioning plate (77).

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