CN117797979A - Spraying equipment for mechanical parts - Google Patents

Abstract

The application discloses spraying equipment of mechanical accessories, which comprises a spraying box, a supporting plate, a plurality of turntables, a plurality of fixing devices, a first driving assembly, a spraying assembly, a transmission assembly and a drying box, wherein the supporting plate is intermittently and rotatably arranged in the spraying box; the rotary tables are respectively and rotatably arranged above the supporting plate through supporting shafts; the plurality of fixing devices are respectively arranged on the corresponding rotary tables, the first driving assembly is connected with one of the rotary tables, and the first driving assembly is used for driving the rotary tables to rotate; the spraying component is arranged on the inner wall of the spraying box and is used for spraying the inner wall or the outer wall of the accessory; the transmission assembly is respectively connected with the spraying assembly and the turntable; the inner wall of spraying case is equipped with first slip table module, and the drying cabinet sets up on the slip table of first slip table module. Therefore, the inner wall and the outer wall of the accessory can be uniformly sprayed in sequence, the operation is simple and convenient, the manual intervention is reduced, and the spraying efficiency of the accessory is improved.

Description

Spraying equipment for mechanical parts

Technical Field

The application relates to the technical field of spraying equipment, in particular to spraying equipment for mechanical accessories.

Background

Painting plays a vital role in machining mechanical parts, and its impact is not only limited to the aesthetic appearance of the parts, but also directly determines the service life of the parts.

The cylindrical parts are common parts of machinery, and comprise various shaft parts such as a straight shaft, a threaded shaft, a conical shaft and the like, a sliding sleeve sleeved on a shaft or a bearing, and cylinder or barrel parts applied to equipment such as an internal combustion engine, a diesel engine, a compressor and the like. Because the surface of the cylindrical fitting is generally smooth and lacks points for hanging support, it is not possible to hang the cylindrical fitting, and therefore the surface is often painted by rotating the workpiece. Like chinese patent (publication No. CN 111097617B) discloses a pipe fitting surface spraying device, the device includes the organism, the inside cavity that is equipped with of organism, be equipped with the fourth movable chamber in the cavity diapire, the fourth movable chamber diapire is equipped with the second motor, first transmission shaft is connected to second motor upper end power, the second transmission shaft upper end stretches into cavity fixedly connected with tray, be equipped with clamping device on the tray, it is fixed with the tray with the work piece through clamping device, spraying device cyclic annular distributes around the work piece, rotate the work piece that carries out even spraying on the tray through the drive tray.

However, the technical scheme can only spray the outer wall of the workpiece, and the workpiece which needs to be sprayed on both the inner wall and the outer wall also needs to be manually transferred to another piece of equipment for operation, so that the operation is complex, and the spraying efficiency is reduced.

Disclosure of Invention

The present application aims to solve, at least to some extent, one of the technical problems in the related art.

Therefore, an object of the application is to provide a spraying device for mechanical accessories, which can uniformly spray the inner wall and the outer wall of the accessories in sequence, is simple and convenient to operate, reduces manual intervention, and improves the spraying efficiency of the accessories.

To achieve the above object, an embodiment of a first aspect of the present application provides a spraying apparatus for machine parts, including a spraying box, a supporting plate, a plurality of turntables, a plurality of fixing devices, a first driving assembly, a spraying assembly, a transmission assembly, and a drying box, wherein the supporting plate is intermittently rotatably disposed inside the spraying box; the rotary tables are respectively and rotatably arranged above the supporting plates through supporting shafts; the fixing devices are respectively arranged on the corresponding rotary tables, wherein each fixing device comprises a second driving assembly, a plurality of first ball screws and a plurality of clamping assemblies, a containing cavity is formed in the center of each rotary table, and the second driving assemblies are arranged in the containing cavities; the upper surface of the turntable is provided with a plurality of grooves, a plurality of first ball screws are respectively and rotatably arranged in the corresponding grooves, and one ends of the first ball screws extend to the accommodating cavity and are connected with the second driving assembly; two clamping assemblies are arranged on each first ball screw, wherein the clamping assemblies are used for clamping the inner wall or the outer wall of the accessory; the first driving assembly is arranged in the spraying box and is connected with one of the rotary tables, and the first driving assembly is used for driving the rotary tables to rotate; the spraying assembly is arranged on the inner wall of the spraying box, and is used for spraying the inner wall or the outer wall of the accessory; the transmission assembly is respectively connected with the spraying assembly and the turntable; the inner wall of spraying case is equipped with first slip table module, the drying cabinet sets up on the slip table of first slip table module, wherein, the drying cabinet is used for right the accessory carries out drying process.

The spraying equipment of the mechanical accessory can evenly spray the inner wall and the outer wall of the accessory in sequence, is simple and convenient to operate, reduces manual intervention, and improves the spraying efficiency of the accessory.

In addition, the spraying device of the mechanical fitting proposed above according to the application may also have the following additional technical features:

in one embodiment of the present application, the second driving assembly includes a second motor, a second rotating shaft, a first bevel gear, and a plurality of second bevel gears, wherein the second motor is disposed inside the receiving cavity; the second rotating shaft is connected with the output end of the second motor; the first bevel gear is arranged on the second rotating shaft; the plurality of second conical teeth are respectively arranged on the corresponding first ball screw rods, and the plurality of second conical teeth are respectively connected with the first conical teeth in a meshed mode.

In one embodiment of the present application, the clamping assembly comprises a first ball slider, a connecting plate, and a clamping plate, wherein the first ball slider is disposed on the first ball screw; the clamping plate is in sliding connection with the groove, and a sliding groove is formed in the clamping plate; one end of the connecting plate is in sliding connection with the first ball sliding block, and the other end of the connecting plate is in sliding connection with the sliding groove.

In an embodiment of the present application, two spacing grooves have been seted up to the inner wall of recess, sliding connection has the gag lever post in the spacing groove, the gag lever post deviates from the one end of spacing groove with the grip block links to each other.

In one embodiment of the present application, the first drive assembly comprises a first motor, a first shaft, a first gear, and a plurality of toothed rings, wherein the first motor is disposed on an inner wall of the spray tank; the first rotating shaft is connected with the output end of the first motor; the plurality of toothed rings are respectively arranged on the corresponding rotary tables; the first gear is arranged on the first rotating shaft and is meshed with one of the toothed rings.

In one embodiment of the application, the spraying assembly comprises a second ball screw, a second sliding table module, a connecting rod, an arc-shaped plate and a plurality of spray heads, wherein the second ball screw is intermittently and rotatably arranged on the inner wall of the spraying box through a mounting plate, and a second ball sliding block is arranged on the second ball screw; the two ends of the connecting rod are respectively connected with the second ball sliding block and the arc-shaped plate; the spray heads are respectively arranged on the two side walls of the arc-shaped plate.

In one embodiment of the present application, the transmission assembly includes a plurality of incomplete gears and a second gear, wherein the plurality of incomplete gears are respectively disposed on the corresponding turntable; the second gear is arranged on the second ball screw and is meshed with teeth on one of the incomplete gears.

Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the internal structure of a spray coating device of a machine fitting according to one embodiment of the present application;

FIG. 2 is a front view of FIG. 1 in accordance with one embodiment of the present application;

FIG. 3 is a schematic view of the structure of a fixture in a spray coating apparatus for a machine fitting according to one embodiment of the present application;

FIG. 4 is an enlarged schematic view of the area A of FIG. 3 of the present application;

fig. 5 is a schematic view showing an external structure of a painting apparatus of a mechanical fitting according to an embodiment of the present application.

As shown in the figure: 1. a spraying box; 2. a support plate; 3. a turntable; 4. a fixing device; 5. a first drive assembly; 6. a spray assembly; 7. a transmission assembly; 8. a drying box; 9. a door; 10. a first slipway module; 11. a limiting plate; 12. a support shaft; 13. a limit rod; 15. a mounting plate; 30. a receiving chamber; 31. a groove; 32. a limit groove; 40. a second drive assembly; 41. a first ball screw; 42. a clamping assembly; 400. a second motor; 401. a second rotating shaft; 402. a first bevel gear; 403. a second bevel gear; 420. a first ball slider; 421. a connecting plate; 422. a clamping plate; 4220. a chute; 50. a first motor; 51. a first rotating shaft; 52. a first gear; 53. a toothed ring; 60. a second ball screw; 61. the second sliding table module; 62. a connecting rod; 63. an arc-shaped plate; 64. a spray head; 65. a second ball slider; 70. an incomplete gear; 71. and a second gear.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the present application include all alternatives, modifications, and equivalents as may be included within the spirit and scope of the appended claims.

The following describes a painting apparatus of a mechanical accessory of an embodiment of the present application with reference to the accompanying drawings.

The spraying equipment of the mechanical accessory can be applied to a processing workshop of the accessory or the part, is mainly used for carrying out paint spraying treatment on the surface of the accessory or the part, can sequentially carry out uniform spraying on the inner wall and the outer wall of the accessory, is simple and convenient to operate, and improves the spraying efficiency of the accessory.

As shown in fig. 1 to 5, the spraying apparatus of the mechanical parts of the embodiment of the present application may include a spraying tank 1, a supporting plate 2, a plurality of turn tables 3, a plurality of fixtures 4, a first driving assembly 5, a spraying assembly 6, a transmission assembly 7, and a drying tank 8.

Wherein the support plate 2 is intermittently rotatably provided inside the spray booth 1, and the plurality of turn tables 3 are rotatably provided above the support plate 2 by support shafts 12, respectively.

It should be noted that, the supporting plate 2 described in this embodiment is in a Y-shaped structure, three stations are formed on the supporting plate 2, different processing operations can be performed on each station, and the spraying box 1 is hinged with a box door 9 through a hinge, where the box door 9 is located at the first station and is used for feeding and discharging accessories. The spray assembly 6 is located at the second station for spraying the inner and outer walls of the fitting. The drying box 8 is located at the third station and is used for carrying out quick drying treatment on the sprayed accessories.

Further, the support plate 2 is connected to an output end of an external driving mechanism, where the external driving mechanism may be a stepper motor, the stepper motor is connected to a controller, and a rotation angle and an intermittent time of the stepper motor can be controlled by the controller to drive the support plate 2 to intermittently rotate, it is understood that the rotation angle in this embodiment is 120 degrees, that is, the stepper motor is stopped for a certain time (that is, the intermittent time) every time when the stepper motor rotates 120 degrees, where the intermittent time can be adjusted according to an actual requirement and is input to the controller in advance, and the intermittent time can satisfy a spraying operation on a fitting.

In the embodiment of the application, the support shaft 12 is arranged on the upper surface of the support plate 2, the turntable 3 is rotatably connected with the support shaft 12, and the support shaft 12 plays a supporting role on the turntable 3.

The fixing devices 4 are respectively arranged on the corresponding rotary table 3, wherein the fixing devices 4 can comprise a second driving assembly 40, a plurality of first ball screws 41 and a plurality of clamping assemblies 42, wherein the accommodating cavity 30 is arranged in the center of the rotary table 3, the second driving assembly 40 is arranged in the accommodating cavity 30, a plurality of grooves 31 are formed in the upper surface of the rotary table 3, the first ball screws 41 are respectively and rotatably arranged in the corresponding grooves 31, one ends of the first ball screws 41 extend to the accommodating cavity 30 and are connected with the second driving assembly 40, and two clamping assemblies 42 are respectively arranged on each first ball screw 41, and the clamping assemblies 42 are used for clamping the inner wall or the outer wall of a fitting.

It should be noted that, in this embodiment, the plurality of first ball screws 41 are disposed around the annular array of the accommodating cavity 30, and two clamping assemblies 42 on the same first ball screw 41 are disposed inside and outside the tubular fitting respectively, when the first ball screw 41 rotates, the two clamping assemblies 42 on the first ball screw 41 can be driven to move in the same direction, so that the inner wall or the outer wall of the fitting is conveniently fixed, and the fitting is not shielded when the outer wall or the inner wall of the fitting is sprayed, thereby realizing comprehensive spraying.

The first driving component 5 is arranged in the spraying box 1, and the first driving component 5 is connected with one of the rotary tables 3, wherein the first driving component 5 is used for driving the rotary table 3 to rotate, the spraying component 6 is arranged on the inner wall of the spraying box 1, and the spraying component 6 is used for spraying treatment on the inner wall or the outer wall of the accessory.

In the embodiment of the application, when the turntable 3 rotates to the second station area, the first driving assembly 5 can drive the corresponding turntable 3 to rotate so as to facilitate uniform spraying of accessories.

The transmission assembly 7 is respectively connected with the spraying assembly 6 and the rotary table 3, a first sliding table module 10 is arranged on the inner wall of the spraying box 1, and the drying box 8 is arranged on a sliding table of the first sliding table module 10, wherein the drying box 8 is used for drying accessories.

It should be noted that, in the embodiment described, an electric door (not shown in the drawing) is disposed at the bottom of the drying box 8, and the electric door can automatically identify the distance between the electric door and the accessory to perform the door opening action, and the first sliding table module 10 can adjust the height of the drying box 8 to perform the drying treatment on the accessory after spraying.

Further, the drying oven 8 described in the above embodiment is provided with a temperature control component and a heating component (not shown in the figure), and the air temperature can be heated by the heating component, and the temperature control component can control the temperature to be constant, where the specific structure and connection relationship of the temperature control component and the heating component are common knowledge in the art, and will not be described in detail in this application.

In one embodiment of the present application, as shown in fig. 3, the second driving assembly 40 may include a second motor 400, a second rotating shaft 401, a first cone tooth 402 and a plurality of second cone teeth 403, where the second motor 400 is disposed in the accommodating cavity 30, the second rotating shaft 401 is connected to an output end of the second motor 400, the first cone tooth 402 is disposed on the second rotating shaft 401, the plurality of second cone teeth 403 are disposed on the corresponding first ball screw 41, and the plurality of second cone teeth 403 are engaged with the first cone teeth 402.

In the embodiment of the present application, when the second motor 400 drives the second rotating shaft 401 to rotate, through the mutual cooperation between the first bevel gear 402 and the plurality of second bevel gears 403, the plurality of first ball screws 41 can be driven to rotate simultaneously, so that the accessories can be fixed quickly.

To further clearly illustrate the above embodiment, in one embodiment of the present application, as shown in fig. 4, the clamping assembly 42 may include a first ball slider 420, a connecting plate 421 and a clamping plate 422, where the first ball slider 420 is disposed on the first ball screw 41, the clamping plate 422 is slidably connected with the groove 31, and a sliding groove 4220 is disposed on the clamping plate 422, one end of the connecting plate 421 is slidably connected with the first ball slider 420, and the other end of the connecting plate 421 is slidably connected with the sliding groove 4220.

It should be noted that, in the embodiment, the sliding groove 4220 is disposed along the vertical direction, the sliding groove 4220 can limit the moving direction of the connecting plate 421, the surface of the clamping plate 422 adjacent to the fitting is a cambered surface structure, the cambered surface structure can increase the contact area with the fitting, and the clamping effect is better.

Further, as shown in fig. 4, two limiting grooves 32 are provided on the inner wall of the groove 31, the limiting rod 13 is slidably connected in the limiting groove 32, and one end of the limiting rod 13 facing away from the limiting groove 32 is connected with the clamping plate 422.

It should be noted that, the groove 31 described in this embodiment is obliquely disposed, and the two limiting grooves 32 on the same inner wall form an "eight" structure with high middle and low two sides, referring to fig. 3 and 4 of the accompanying drawings, when the first ball screw 41 rotates, the two first ball sliding blocks 420 are driven to move away from the center of the turntable 3, and due to the limitation of the limiting grooves 32 and the limiting rods 13, the clamping plate 422 located inside the accessory moves upward, the clamping plate 422 located outside the accessory moves downward, and finally the inner wall of the accessory is fixed, at this time, the clamping plate 422 located outside the accessory moves to the inside of the groove 31, so that the outer wall of the accessory is not blocked, the spraying work is conveniently performed on the outer wall of the accessory, and similarly, the clamping plate 422 also does not block the inner wall of the accessory, so that the spraying work is conveniently performed on the inside of the accessory.

In one embodiment of the present application, as shown in fig. 2, the first driving assembly 5 may include a first motor 50, a first rotating shaft 51, a first gear 52 and a plurality of toothed rings 53, wherein the first motor 50 is disposed on an inner wall of the spray can 1, the first rotating shaft 51 is connected to an output end of the first motor 50, the plurality of toothed rings 53 are disposed on the corresponding turntable 3, the first gear 52 is disposed on the first rotating shaft 51, and the first gear 52 is engaged with one of the toothed rings 53.

In the embodiment of the application, the motor cabinet of first motor 50 sets up on the inner wall of spraying case 1, can drive first pivot 51 through first motor 50 and rotate to through the mutually supporting of first gear 52 and ring gear 53, drive the revolving stage 3 that corresponds and rotate, in order to conveniently carry out spraying work uniformly to the accessory.

In one embodiment of the present application, as shown in fig. 1, the spraying assembly 6 may include a second ball screw 60, a second sliding table module 61, a connecting rod 62, an arc 63 and a plurality of spray nozzles 64, wherein the second ball screw 60 is intermittently rotatably disposed on an inner wall of the spraying box 1 through the mounting plate 15, and the second ball screw 60 is provided with a second ball slider 65, two ends of the connecting rod 62 are respectively connected with the second ball slider 65 and the arc 63, and the plurality of spray nozzles 64 are respectively disposed on two sidewalls of the arc 63.

It should be noted that, in this embodiment, the plurality of spray nozzles 64 are respectively disposed on the arc convex surface and the arc concave surface of the arc plate 63, and the spray nozzles 64 on the arc concave surface facilitate the spraying treatment on the outer wall of the fitting, and the spray nozzles 64 on the arc convex surface facilitate the spraying treatment on the inner wall of the fitting.

Further, the second ball screw 60 is a reciprocating ball screw, that is, when the second ball screw 60 rotates, the second ball slider 65 can be driven to reciprocate along the axial direction of the second ball screw 60, and meanwhile, the second sliding table module 61 can horizontally adjust the positions of the arc 63 and the spray head 64, so that the spraying of the inner wall of the fitting is facilitated, and the fitting with different diameters can be applied.

Referring to fig. 2, a limiting plate 11 is provided on a side wall of the second ball slider 65, and the limiting plate 11 is slidably connected with the inside of the spray box 1, so that the movement direction of the second ball slider 65 can be limited.

Further, as shown in fig. 1, the transmission assembly 7 includes a plurality of incomplete gears 70 and a second gear 71, wherein the plurality of incomplete gears 70 are respectively disposed on the corresponding turntable 3, the second gear 71 is disposed on the second ball screw 60, and the second gear 71 is engaged with teeth on one of the incomplete gears 70.

In the embodiment of the present application, the second ball screw 60 can be driven to intermittently rotate by the engagement between the incomplete gear 70 and the second gear 71 to intermittently adjust the height of the head 64.

Specifically, when the tubular fitting is sprayed on both sides, firstly, a person opens the box door 9, places the fitting to be sprayed on the turntable 3, when the outer wall of the fitting needs to be sprayed, the person controls the second motor 400 to start, the second motor 400 drives the second rotating shaft 401 to rotate, and drives the first ball screw 41 to rotate in a first direction through the mutual matching between the first conical teeth 402 and the plurality of second conical teeth 403, at this time, referring to fig. 4, the clamping plate 422 moves away from the center of the turntable 3 until the clamping plate 422 positioned inside the fitting abuts against the inner wall of the fitting, and meanwhile, the clamping plate 422 positioned outside the fitting moves to the inside of the groove 31, so that the outer wall of the fitting cannot be shielded.

Then, the stepping motor can be controlled to intermittently rotate through the controller, when the turntable 3 rotates to the second station area, the toothed ring 53 on the turntable 3 is meshed with the first gear 52, related personnel control the first motor 50 to start, the first motor 50 drives the first rotating shaft 51 to rotate, the turntable 3 is driven to rotate through the cooperation between the first gear 52 and the toothed ring 53, and meanwhile, the second ball screw 60 can be driven to intermittently rotate under the cooperation of the incomplete gear 70 and the second gear 71, so that the second ball sliding block 65 and the spray head 64 are driven to intermittently move, and the outer wall of the accessory is uniformly sprayed.

After the outer wall spraying of accessory is accomplished, the accessory follows revolving stage 3 and rotates to the third station, and relevant personnel control first slip table module 10 starts, and first slip table module 10 drives drying cabinet 8 downwardly moving, and when drying cabinet 8 is close to the accessory, the automatically-controlled opening of electrically-operated gate, drying cabinet 8 can cover the accessory after the spraying completely, can dry the accessory this moment.

After the drying is finished, the inner wall of the accessory can be sprayed, at this moment, the related personnel control the first ball screw 41 to rotate in the second direction, the clamping plate 422 moves close to the center of the turntable 3 until the clamping plate 422 positioned outside the accessory is abutted against the outer wall of the accessory, meanwhile, the clamping plate 422 positioned inside the accessory can move to the inside of the groove 31, so that the inner wall of the accessory cannot be shielded, the related personnel control the second sliding table module 61 to start, the second sliding table module 61 drives the connecting rod 62, the arc-shaped plate 63 and the spray head 64 to move to the upper part of the center of the accessory, and finally, the corresponding turntable 3 can be driven to rotate through the first driving component 5 again, and the inner wall of the accessory is sprayed through the spray head 64, so that spraying work on the inner wall and the outer wall of the accessory is realized, and the spraying efficiency of the accessory is improved.

In sum, the spraying equipment of the mechanical accessory can evenly spray the inner wall and the outer wall of the accessory in sequence, is simple and convenient to operate, reduces manual intervention, and improves the spraying efficiency of the accessory.

In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present application.

Claims (7)

1. A spraying device for mechanical accessories is characterized by comprising a spraying box, a supporting plate, a plurality of turntables, a plurality of fixing devices, a first driving assembly, a spraying assembly, a transmission assembly and a drying box, wherein,

the supporting plate is intermittently and rotatably arranged in the spraying box;

the rotary tables are respectively and rotatably arranged above the supporting plates through supporting shafts;

the fixing devices are respectively arranged on the corresponding turntables, wherein the fixing devices comprise a second driving component, a plurality of first ball screws and a plurality of clamping components,

the center of the turntable is provided with a containing cavity, and the second driving assembly is arranged in the containing cavity;

the upper surface of the turntable is provided with a plurality of grooves, a plurality of first ball screws are respectively and rotatably arranged in the corresponding grooves, and one ends of the first ball screws extend to the accommodating cavity and are connected with the second driving assembly;

two clamping assemblies are arranged on each first ball screw, wherein the clamping assemblies are used for clamping the inner wall or the outer wall of the accessory;

the first driving assembly is arranged in the spraying box and is connected with one of the rotary tables, and the first driving assembly is used for driving the rotary tables to rotate;

the spraying assembly is arranged on the inner wall of the spraying box, and is used for spraying the inner wall or the outer wall of the accessory;

the transmission assembly is respectively connected with the spraying assembly and the turntable;

the inner wall of spraying case is equipped with first slip table module, the drying cabinet sets up on the slip table of first slip table module, wherein, the drying cabinet is used for right the accessory carries out drying process.

2. The spray apparatus for a machine fitting according to claim 1, wherein the second drive assembly comprises a second motor, a second shaft, a first bevel gear and a plurality of second bevel gears, wherein,

the second motor is arranged in the accommodating cavity;

the second rotating shaft is connected with the output end of the second motor;

the first bevel gear is arranged on the second rotating shaft;

the plurality of second conical teeth are respectively arranged on the corresponding first ball screw rods, and the plurality of second conical teeth are respectively connected with the first conical teeth in a meshed mode.

3. The spray apparatus for a machine fitting according to claim 2, wherein the clamping assembly comprises a first ball slide, a connecting plate and a clamping plate, wherein,

the first ball sliding block is arranged on the first ball screw;

the clamping plate is in sliding connection with the groove, and a sliding groove is formed in the clamping plate;

one end of the connecting plate is in sliding connection with the first ball sliding block, and the other end of the connecting plate is in sliding connection with the sliding groove.

4. The spraying device for the mechanical accessories of claim 3, wherein two limiting grooves are formed in the inner wall of the groove, limiting rods are connected in a sliding mode in the limiting grooves, and one ends, deviating from the limiting grooves, of the limiting rods are connected with the clamping plates.

5. The spray apparatus for a machine fitting according to claim 1, wherein the first drive assembly comprises a first motor, a first shaft, a first gear, and a plurality of toothed rings, wherein,

the first motor is arranged on the inner wall of the spraying box;

the first rotating shaft is connected with the output end of the first motor;

the plurality of toothed rings are respectively arranged on the corresponding rotary tables;

the first gear is arranged on the first rotating shaft and is meshed with one of the toothed rings.

6. The spray apparatus for mechanical parts according to claim 1 wherein the spray assembly comprises a second ball screw, a second slip module, a connecting rod, an arcuate plate and a plurality of spray heads, wherein,

the second ball screw is intermittently and rotatably arranged on the inner wall of the spraying box through a mounting plate, and a second ball sliding block is arranged on the second ball screw;

the two ends of the connecting rod are respectively connected with the second ball sliding block and the arc-shaped plate;

the spray heads are respectively arranged on the two side walls of the arc-shaped plate.

7. The machine part spraying apparatus of claim 6 wherein the transmission assembly comprises a plurality of incomplete gears and a second gear, wherein,

the incomplete gears are respectively arranged on the corresponding turntables;

the second gear is arranged on the second ball screw and is meshed with teeth on one of the incomplete gears.