Paint spraying structure for impeller machining

Abstract

The utility model discloses a paint spraying structure for impeller processing, which relates to the technical field of paint spraying equipment and comprises a support top plate, a paint spraying structure, a moving structure, a moving fixing structure, a fixing structure and a drying structure, the impeller is placed between the fixed clamping block and the movable clamping block, the telescopic rod stretches out and draws back to drive the movable clamping block to move in the direction of the fixed clamping block, then the telescopic fixing belt is pulled, the buckle is pulled in the direction of the buckle groove through pulling of the telescopic fixing belt till the buckle is matched with the buckle groove, and the impeller can be firmly fixed through the operation. An electric push rod stretches out and draws back to drive a movable structure to stretch out and draw back, then a movable fixing structure is driven to stretch out and draw back to a lower protection frame, and when the lower protection frame is connected with an upper protection frame on a paint spraying structure, a conveying water pump draws paint from a storage box into a conveying pipe, then the paint flows into a flow dividing plate and finally is sprayed out through a spray head; the lower protection frame is connected with the upper protection frame, so that paint is prevented from splashing, and follow-up use of the device is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of paint spraying equipment, in particular to a paint spraying structure for impeller processing. Background Art

[0002] The impeller refers to a wheel disk with moving blades, which is a component of the impulse steam turbine rotor, and can also refer to the general term for the wheel disk and the rotating blades installed thereon; impellers can be classified according to their shape and opening and closing conditions, and impellers usually need to be painted before use. Currently, an impeller painting equipment on the market has an uneven spraying position, and the sprayed paint surface is prone to secondary damage when it is not completely dry, and the time required for natural drying is too long; therefore, a technician in this field provides a paint spraying structure for impeller processing to solve the problems raised in the above background technology. Utility Model Content

[0003] The utility model aims to provide a paint spraying structure for impeller machining to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A paint spraying structure for impeller processing, comprising a supporting top plate, a paint spraying structure, a moving structure, a moving fixed structure, a fixed structure and a drying structure; the upper left end of the supporting top plate is provided with a paint spraying structure, the upper right end surface of the supporting top plate is provided with a notch and the lower end of the notch penetrates the lower right end surface of the supporting top plate, the lower end of the notch is provided with a drying structure, the left end of the supporting top plate is provided with a left supporting plate, the front and rear sides of the lower right end of the supporting top plate are provided with right supporting plates, and the lower end of the cavity between the left supporting plate and the right supporting plate is sliding A mobile structure is connected, a mobile fixed structure is slidably connected to the mobile structure, and a fixed structure is arranged on the mobile fixed structure; the paint spraying structure includes a storage box, a mounting hole, a water delivery pump, a delivery pipe, a diverter plate, a nozzle, an upper protective frame, bolts and nuts, a storage box is arranged on the paint spraying structure, a water delivery pump is arranged at the lower right end of the storage box, a delivery pipe is arranged at the right end of the water delivery pump, a diverter plate is arranged at the lower end of the delivery pipe, a nozzle is arranged at the lower end of the diverter plate, and a right lower end surface of the storage box and an upper end of the water delivery pump are provided. Three mounting holes are arranged corresponding to the bolts, and the three bolts are threadedly connected with an upper protective frame, and nuts are arranged on the upper right side of the upper protective frame and the three bolts; the mobile structure includes a mobile support plate, a connecting plate, a slide, a guide slide rod, a groove, a threaded rod, a motor, a gear and a chain, and the mobile structure is provided with a mobile support plate, and connecting plates are arranged on the front and rear sides of the upper left end and the front and rear sides of the upper right end of the mobile support plate, and slides are arranged on the outer ends of the connecting plates, and the front side of the upper left end of the mobile support plate and the mobile support A guide slide bar is arranged between the two connecting plates on the front side of the upper right end of the plate, a threaded rod is arranged between the two connecting plates on the rear side of the upper left end of the movable support plate and the rear side of the upper right end of the movable support plate, a motor is arranged between the two connecting plates in the middle of the upper left end and the left end of the movable support plate, the output end of the motor and the left end of the rod arm of the threaded rod are fixedly connected with gears, the two gears are meshed and connected by a chain, the right end of the motor and the upper right end surface of the movable support plate are provided with grooves, and the lower end of the groove passes through the lower right end surface of the movable support plate.

[0006] Preferably, the movable and fixed structure comprises a movable block, a threaded hole, a round hole, a support plate, a turning handle, a left rotating shaft, a fixed clamping block, a movable clamping block, a right rotating shaft and a telescopic rod, wherein two movable blocks are arranged on the movable and fixed structure, a round hole arranged corresponding to the guide sliding rod is arranged on the front end surface of the movable block at the left end, a threaded hole arranged corresponding to the threaded rod is arranged on the front end surface of the movable block at the right end, a support plate is arranged in the middle of the upper end at the protruding position of one end of the inner side of the movable block, the right upper end of the support plate at the left end is movably connected with the left rotating shaft, and the left end of the left rotating shaft is penetrated by The left upper end of the support plate passing through the left end is connected to the turning handle, the right end of the left rotating shaft is fixedly connected to a fixed clamping block, the left upper end of the support plate at the right end is movably connected to a telescopic rod, the left end of the telescopic rod is fixedly connected to the right rotating shaft, the left end of the right rotating shaft is fixedly connected to a movable clamping block, and an impeller is arranged between the fixed clamping block and the movable clamping block; the fixing structure comprises a telescopic fixing belt, a fixing block, a buckle and a buckle groove, a fixing block is arranged on the fixing structure, a buckle groove corresponding to the buckle is opened on the right end surface of the fixing block, the buckle is buckled and connected to the buckle groove, and the right end of the buckle is A retractable fixing belt is arranged; the drying structure includes a supporting connecting plate, a supporting connecting block, a fan, a supporting rod, a ventilation plate and a heating pipe, the drying structure is provided with a supporting connecting plate, the upper left and right sides of the supporting connecting plate are provided with supporting connecting blocks, the middle of the upper end of the supporting connecting plate is provided with a fan, the four corners of the lower end of the supporting connecting plate are provided with supporting rods, the lower end of the supporting rod is provided with a ventilation plate, the upper end of the ventilation plate and the lower end of the fan are provided with three heating pipes arranged at equal intervals; the lower side of the inner end surface of the left supporting plate and the right supporting plate is provided with A slide groove is arranged corresponding to the slide frame, and electric push rods are arranged at the four corners of the lower end of the moving support plate on the moving structure. The right end of the left rotating shaft on the moving fixed structure passes through the upper left end of the interior of the lower protective frame, and the left end of the right rotating shaft on the moving fixed structure passes through the upper right end of the interior of the lower protective frame, and the fixed clamping block and the movable clamping block are both inside the lower protective frame. Through holes corresponding to the left rotating shaft and the right rotating shaft are respectively opened on the upper left and upper right end surfaces of the lower protective frame. A discharge pipe is arranged in the middle of the lower end of the lower protective frame, and a solenoid valve is arranged on the pipe arm of the discharge pipe.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows: the impeller is placed between the fixed clamping block and the movable clamping block, the extension and retraction of the telescopic rod drives the movable clamping block to move in the direction of the fixed clamping block, and then the telescopic fixing belt is pulled, and the pulling of the telescopic fixing belt drives the buckle to be pulled in the direction of the buckle groove until the buckle fits with the buckle groove, which is conducive to firmly fixing the impeller; the extension and retraction of the electric push rod drives the extension and retraction of the mobile structure, and then drives the extension and retraction of the mobile fixed structure, and then drives the extension and retraction of the lower protective frame. When the lower protective frame is connected with the upper protective frame on the paint spraying structure, the delivery water pump draws paint from the storage box into the delivery pipe, and then flows into the diverter plate, and finally sprays out through the nozzle. The connection between the lower protective frame and the upper protective frame can prevent the paint from flying and affecting the subsequent use of the device; in the lower protective frame When there is too much paint accumulation, open the solenoid valve and the paint will flow out from the discharge pipe; turn the handle, and the rotation of the handle drives the rotation of the left shaft, and then drives the rotation of the fixed clamp, the movable clamp and the fixed structure, thereby driving the flipping of the impeller. The flipping of the impeller is conducive to the uniform spraying of paint on the impeller; when the impeller is finished spraying paint, turn on the motor, the motor drives the rotation of the gear, and then drives the rotation of the chain, and then drives the rotation of the threaded rod, and then drives the movement of the two moving blocks, thereby driving the movement of the impeller; when the impeller moves to the bottom of the drying structure, turn on the fan, and the fan drives the external air to heat and dry through the heating tube, and then heats and dries the impeller below through the air permeable plate at the lower end. This operation is conducive to the subsequent processing of the impeller to avoid secondary damage just after spraying the paint. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 The figure is a schematic diagram of the structure of a paint spraying structure for impeller processing.

[0009] Figure 2 The figure is a schematic diagram of a paint spraying structure for impeller processing.

[0010] Figure 3 The figure is a schematic diagram of the moving structure of a paint spraying structure for impeller processing.

[0011] Figure 4 This is a schematic diagram of the moving and fixing structure of a paint spraying structure for impeller processing.

[0012] Figure 5 The figure is a schematic diagram of the fixing structure of a paint spraying structure for impeller processing.

[0013] Figure 6 The figure is a schematic diagram of the drying structure of a paint spraying structure used for impeller processing.

[0014] In the figure: 1-support top plate, 2-left support plate, 3-right support plate, 4-slide, 5-painting structure, 51-storage box, 52-mounting hole, 53-water delivery pump, 54-delivery pipe, 55-diverter plate, 56-spray head, 57-upper protection frame, 58-bolt, 59-nut, 6-moving structure, 61-moving support plate, 62-connecting plate, 63-slide, 64-guide slide rod, 65-groove, 66-threaded rod, 67-motor, 68-gear, 69-chain, 7-moving fixed structure, 70-moving block, 71-threaded hole, 7 2-round hole, 73-support plate, 74-handle, 75-left shaft, 76-fixed clamp, 77-movable clamp, 78-right shaft, 79-telescopic rod, 8-fixed structure, 81-telescopic fixing belt, 82-fixed block, 83-buckle, 84-buckle groove, 9-drying structure, 91-support connecting plate, 92-support connecting block, 93-fan, 94-support rod, 95-ventilation plate, 96-heating tube, 10-notch, 11-electric push rod, 12-lower protection frame, 13-through hole, 14-discharging pipe, 15-solenoid valve, 16-impeller. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with the specific implementation methods. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0016] See also Figures 1 to 6In the embodiment of the utility model, a paint spraying structure for impeller processing includes a supporting top plate 1, a paint spraying structure 5, a moving structure 6, a moving fixed structure 7, a fixed structure 8 and a drying structure 9; the paint spraying structure 5 is arranged at the upper left end of the supporting top plate 1, a notch 10 is opened on the upper right end surface of the supporting top plate 1 and the lower end of the notch 10 passes through the lower right end surface of the supporting top plate 1, and the lower end of the notch 10 is arranged with a drying structure 9, a left supporting plate 2 is arranged at the left end of the supporting top plate 1, and right supporting plates 3 are arranged on both the front and rear sides of the lower right end of the supporting top plate 1, and the moving structure 6 is slidably connected at the lower end of the cavity between the left supporting plate 2 and the right supporting plate 3. , a mobile fixed structure 7 is slidably connected to the mobile structure 6, and a fixed structure 8 is arranged on the mobile fixed structure 7; the paint spraying structure 5 includes a storage box 51, a mounting hole 52, a water delivery pump 53, a delivery pipe 54, a diverter plate 55, a nozzle 56, an upper protective frame 57, bolts 58 and nuts 59, the paint spraying structure 5 is provided with a storage box 51, a water delivery pump 53 is arranged at the lower right end of the storage box 51, a delivery pipe 54 is arranged at the right end of the water delivery pump 53, a diverter plate 55 is arranged at the lower end of the delivery pipe 54, and a nozzle 56 is arranged at the lower end of the diverter plate 55, and three holes are provided on the lower right end surface of the storage box 51 and the upper end of the water delivery pump 53. The mounting holes 52 are arranged corresponding to the bolts 58, and the upper protective frame 57 is threadedly connected to the three bolts 58. Nuts 59 are arranged on the upper right side of the upper protective frame 57 and the three bolts 58; the mobile structure 6 includes a mobile support plate 61, a connecting plate 62, a slide 63, a guide slide rod 64, a groove 65, a threaded rod 66, a motor 67, a gear 68 and a chain 69, and the mobile structure 6 is provided with a mobile support plate 61, and the front and rear sides of the upper left end and the front and rear sides of the upper right end of the mobile support plate 61 are both provided with connecting plates 62, and the outer ends of the connecting plates 62 are both provided with slides 63, and the front side of the upper left end of the mobile support plate 61 and the mobile A guide slide bar 64 is provided between the two connecting plates 62 on the front side of the upper right end of the support plate 61, a threaded rod 66 is provided between the two connecting plates 62 on the rear side of the upper left end of the movable support plate 61 and the rear side of the upper right end of the movable support plate 61, a motor 67 is provided between the two connecting plates 62 in the middle of the upper left end and the left end of the movable support plate 61, a gear 68 is fixedly connected to the output end of the motor 67 and the left end of the lever arm of the threaded rod 66, and the two gears 68 are meshed and connected by a chain 69, a groove 65 is provided on the right end of the motor 67 and the upper right end surface of the movable support plate 61, and the lower end of the groove 65 passes through the lower right end surface of the movable support plate 61;The movable fixing structure 7 comprises a movable block 70, a threaded hole 71, a circular hole 72, a support plate 73, a turning handle 74, a left rotating shaft 75, a fixed clamping block 76, a movable clamping block 77, a right rotating shaft 78 and a telescopic rod 79. The movable fixing structure 7 is provided with two movable blocks 70. A circular hole 72 corresponding to the guide slide rod 64 is provided on the front end surface of the movable block 70 at the left end, and a threaded hole 71 corresponding to the threaded rod 66 is provided on the front end surface of the movable block 70 at the right end. A support plate 73 is provided in the middle of the upper end at the protruding position of the inner end of the movable block 70. The right upper end of the support plate 73 at the left end is movably connected with the left rotating shaft 75. The left end of the left rotating shaft 75 penetrates The left upper end of the support plate 73 at the left end is connected to the turning handle 74, the right end of the left rotating shaft 75 is fixedly connected to a fixed clamping block 76, the left upper end of the support plate 73 at the right end is movably connected to a telescopic rod 79, the left end of the telescopic rod 79 is fixedly connected to the right rotating shaft 78, the left end of the right rotating shaft 78 is fixedly connected to a movable clamping block 77, and an impeller 16 is arranged between the fixed clamping block 76 and the movable clamping block 77; the fixed structure 8 includes a telescopic fixing belt 81, a fixed block 82, a buckle 83 and a buckle groove 84, the fixed structure 8 is provided with a fixed block 82, the right end surface of the fixed block 82 is provided with a buckle groove 84 arranged corresponding to the buckle 83, the buckle 83 is buckled with the buckle groove 84, and the buckle 8 3 is provided with a retractable fixing belt 81; the drying structure 9 includes a supporting connecting plate 91, a supporting connecting block 92, a fan 93, a supporting rod 94, a ventilation plate 95 and a heating pipe 96, the drying structure 9 is provided with a supporting connecting plate 91, the upper left and right sides of the supporting connecting plate 91 are provided with supporting connecting blocks 92, the middle of the upper end of the supporting connecting plate 91 is provided with a fan 93, the four corners of the lower end of the supporting connecting plate 91 are provided with a supporting rod 94, the lower end of the supporting rod 94 is provided with a ventilation plate 95, the upper end of the ventilation plate 95 and the lower end of the fan 93 are provided with three equally spaced heating pipes 96; the lower side of the inner end surface of the left supporting plate 2 and the right supporting plate 3 Each of the movable support plates 61 on the movable structure 6 is provided with a slide slot 4 corresponding to the slide 63. The four corners of the lower end of the movable support plate 61 on the movable structure 6 are provided with an electric push rod 11. The right end of the left rotating shaft 75 on the movable fixed structure 7 passes through the upper left end of the lower protective frame 12. The left end of the right rotating shaft 78 on the movable fixed structure 7 passes through the upper right end of the lower protective frame 12. The fixed clamp block 76 and the movable clamp block 77 are both inside the lower protective frame 12. The upper left and upper right end surfaces of the lower protective frame 12 are respectively provided with through holes 13 corresponding to the left rotating shaft 75 and the right rotating shaft 78. A discharge pipe 14 is provided in the middle of the lower end of the lower protective frame 12, and a solenoid valve 15 is provided on the pipe arm of the discharge pipe 14. ;

[0017] The working principle of the utility model is as follows: the impeller 16 is placed between the fixed clamp block 76 and the movable clamp block 77, the extension and retraction of the telescopic rod 79 drives the movable clamp block 77 to move in the direction of the fixed clamp block 76, and then the telescopic fixing belt 81 is pulled, and the pulling of the telescopic fixing belt 81 drives the buckle 83 to be pulled in the direction of the buckle groove 84 until the buckle 83 fits with the buckle groove 84, which is conducive to firmly fixing the impeller 16; the extension and retraction of the electric push rod 11 drives the extension and retraction of the movable structure 6, and then drives the extension and retraction of the movable fixed structure 7, and then drives the extension and retraction of the lower protective frame 12. When the lower protective frame 12 is connected with the upper protective frame 57 on the paint spraying structure 5, the delivery water pump 53 draws paint from the storage box 51 into the delivery pipe 54, and then flows into the diverter plate 55, and finally sprays out through the nozzle 56. The lower protective frame 12 is connected with the upper protective frame 57 to prevent the paint from flying and affecting the subsequent use of the device; the paint in the lower protective frame 12 When there is too much accumulation, open the solenoid valve 15 and the paint will flow out from the discharge pipe 14; turn the handle 74, the rotation of the handle 74 drives the rotation of the left shaft 75, and then drives the rotation of the fixed clamp 76, the movable clamp 77 and the fixed structure 8, thereby driving the flipping of the impeller 16, and the flipping of the impeller 16 is conducive to the uniform spraying of the paint on the impeller 16; when the impeller 16 is painted, turn on the motor 67, the motor 67 drives the rotation of the gear 68, and then drives the rotation of the chain 69, and then drives the rotation of the threaded rod 66, and then drives the movement of the two moving blocks 70, thereby driving the movement of the impeller 16; when the impeller 16 moves to the bottom of the drying structure 9, turn on the fan 93, the fan 93 drives the external air to heat and dry through the heating tube 96, and then heats and dries the impeller 16 below through the air permeable plate 95 at the lower end, this operation is conducive to the subsequent processing of the impeller 16, avoiding secondary damage just after the paint is sprayed.

[0018] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0019] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A paint spraying structure for impeller processing, comprising a supporting top plate (1), a paint spraying structure (5), a moving structure (6), a moving fixed structure (7), a fixed structure (8) and a drying structure (9); characterized in that: The upper left end of the support top plate (1) is provided with a spray paint structure (5); the upper right end surface of the support top plate (1) is provided with a notch (10) and the lower end of the notch (10) penetrates the lower right end surface of the support top plate (1); the lower end of the notch (10) is provided with a drying structure (9); the left end of the support top plate (1) is provided with a left support plate (2); the front and rear sides of the lower right end of the support top plate (1) are provided with a right support plate (3); the lower end of the cavity between the left support plate (2) and the right support plate (3) is slidably connected with a movable structure (6); the movable structure (6) is slidably connected with a movable fixed structure (7); and the movable fixed structure (7) is provided with a fixed structure (8).

2. A paint spraying structure for impeller processing according to claim 1, characterized in that: The paint spraying structure (5) comprises a storage box (51), a mounting hole (52), a water delivery pump (53), a delivery pipe (54), a diverter plate (55), a spray head (56), an upper protective frame (57), bolts (58) and nuts (59). The paint spraying structure (5) is provided with a storage box (51), and a water delivery pump (53) is provided at the lower right end of the storage box (51).

3. The paint spraying structure for impeller machining according to claim 1, characterized in that: The movable structure (6) comprises a movable support plate (61), a connecting plate (62), a slide (63), a guide slide bar (64), a groove (65), a threaded rod (66), a motor (67), a gear (68) and a chain (69). The movable structure (6) is provided with a movable support plate (61), the front and rear sides of the upper left end and the front and rear sides of the upper right end of the movable support plate (61) are both provided with connecting plates (62), the outer ends of the connecting plates (62) are both provided with slide bars (63), and the guide slide bar (64) is provided between the two connecting plates (62) at the front side of the upper left end of the movable support plate (61) and the front side of the upper right end of the movable support plate (61).

4. The paint spraying structure for impeller processing according to claim 1, characterized in that: The movable fixed structure (7) comprises a movable block (70), a threaded hole (71), a circular hole (72), a support plate (73), a turning handle (74), a left rotating shaft (75), a fixed clamping block (76), a movable clamping block (77), a right rotating shaft (78) and a telescopic rod (79). Two movable blocks (70) are arranged on the movable fixed structure (7), a circular hole (72) corresponding to the guide sliding rod (64) is opened on the front end surface of the movable block (70) at the left end, and a threaded hole (71) corresponding to the threaded rod (66) is opened on the front end surface of the movable block (70) at the right end.

5. The paint spraying structure for impeller processing according to claim 1, characterized in that: The fixing structure (8) comprises a telescopic fixing belt (81), a fixing block (82), a buckle (83) and a buckle groove (84); the fixing block (82) is provided on the fixing structure (8); a buckle groove (84) corresponding to the buckle (83) is provided on the right end surface of the fixing block (82); the buckle (83) is buckled with the buckle groove (84); and the right end of the buckle (83) is provided with a telescopic fixing belt (81).

6. The paint spraying structure for impeller machining according to claim 1, characterized in that: The drying structure (9) comprises a supporting connection plate (91), a supporting connection block (92), a fan (93), a supporting rod (94), a ventilation plate (95) and a heating tube (96). The drying structure (9) is provided with a supporting connection plate (91), supporting connection blocks (92) are provided on both the left and right sides of the upper end of the supporting connection plate (91), a fan (93) is provided in the middle of the upper end of the supporting connection plate (91), supporting rods (94) are provided at four corners of the lower end of the supporting connection plate (91), a ventilation plate (95) is provided at the lower end of the supporting rod (94), and three heating tubes (96) arranged at equal intervals are provided at the upper end of the ventilation plate (95) and the lower end of the fan (93).

7. The paint spraying structure for impeller machining according to claim 1, characterized in that: The lower sides of the inner end surfaces of the left support plate (2) and the right support plate (3) are provided with a slide groove (4) corresponding to the slide frame (63); the four corners of the lower end of the movable support plate (61) on the movable structure (6) are provided with electric push rods (11); the right end of the left rotating shaft (75) on the movable fixed structure (7) passes through the inner upper left end of the lower protective frame (12); the left end of the right rotating shaft (78) on the movable fixed structure (7) passes through the inner upper right end of the lower protective frame (12); the fixed clamping block (76) and the movable clamping block (77) are both inside the lower protective frame (12); the upper left and upper right end surfaces of the lower protective frame (12) are provided with through holes (13) corresponding to the left rotating shaft (75) and the right rotating shaft (78); a discharge pipe (14) is provided in the middle of the lower end of the lower protective frame (12); and a solenoid valve (15) is provided on the pipe arm of the discharge pipe (14).

8. The paint spraying structure for impeller machining according to claim 2, characterized in that: A delivery pipe (54) is provided at the right end of the delivery water pump (53), a diverter plate (55) is provided at the lower end of the delivery pipe (54), a nozzle (56) is provided at the lower end of the diverter plate (55), three mounting holes (52) corresponding to the bolts (58) are provided on the right lower end surface of the storage box (51) and the upper end of the delivery water pump (53), an upper protective frame (57) is threadedly connected to the three bolts (58), and nuts (59) are provided on the upper side of the right end of the upper protective frame (57) and on the three bolts (58).

9. The paint spraying structure for impeller machining according to claim 3, characterized in that: A threaded rod (66) is provided between the two connecting plates (62) at the rear side of the upper left end of the movable support plate (61) and the rear side of the upper right end of the movable support plate (61); a motor (67) is provided between the middle of the upper left end of the movable support plate (61) and the two connecting plates (62) at the left end; a gear (68) is fixedly connected to the output end of the motor (67) and the left end of the lever arm of the threaded rod (66); the two gears (68) are meshedly connected via a chain (69); a groove (65) is provided at the right end of the motor (67) and the upper right end surface of the movable support plate (61); and the lower end of the groove (65) penetrates the lower right end surface of the movable support plate (61).

10. The paint spraying structure for impeller machining according to claim 4, characterized in that: A support plate (73) is provided in the middle of the upper end of the protruding position at one inner end of the movable block (70); the upper right end of the left support plate (73) is movably connected to a left rotating shaft (75); the left end of the left rotating shaft (75) passes through the upper left end of the left support plate (73) and is connected to the turning handle (74); the right end of the left rotating shaft (75) is fixedly connected to a fixed clamping block (76); the upper left end of the right support plate (73) is movably connected to a telescopic rod (79); the left end of the telescopic rod (79) is fixedly connected to a right rotating shaft (78); the left end of the right rotating shaft (78) is fixedly connected to a movable clamping block (77); an impeller (16) is provided between the fixed clamping block (76) and the movable clamping block (77).

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