A mesh cover plastic spraying device for fan production and its operation method

Abstract

The present invention relates to the technical field of fan production, and in particular to a mesh cover spraying device for fan production and an operation method thereof, comprising: a processing box, a partition fixed in the middle of the processing box, and a transmission assembly symmetrically arranged on both sides of the inner wall of the processing box, two spraying assemblies symmetrically arranged above the processing box and on the mounting plate, the spraying assemblies comprising a rotating seat, a spray rod and a spray head, the spray rod is fixedly connected to the side of the rotating seat, and a plurality of the spray heads are equidistantly fixedly installed on the side of the spray rod close to the mesh cover; a plurality of placement assemblies are equidistantly arranged on the transmission assembly, the placement assemblies symmetrically arranged on both sides are used to fix the mesh cover from both sides, the placement assembly comprises a telescopic rod and three placement racks, the telescopic rod is horizontally fixedly connected to the transmission assembly, and the three placement racks are fixedly connected to the telescopic end of the telescopic rod. While ensuring the spraying effect, the present invention reduces the waste of spraying materials and avoids the influence on the appearance of the mesh cover.

Description

Technical Field

[0001] The invention relates to the technical field of fan production, and in particular to a mesh cover plastic spraying device for fan production and an operating method thereof. Background Art

[0002] The fan mesh cover is a mesh device installed behind the fan. It mainly plays a protective role in preventing people from accidentally touching it. During the production and processing of the mesh cover, the mesh cover needs to be sprayed with plastic.

[0003] The Chinese patent with publication number CN112170045B discloses a mesh cover spraying device for fan production and its operation method, including a fixed seat, two fixed frames are fixedly installed on one side of the top of the fixed seat, a clamping mechanism is fixedly installed on the top of one of the fixed frames, a material receiving trough is installed on both sides of the top of the fixed seat, a first rotating rod is fixedly installed on one end of the top of the fixed seat, and the two ends of the first rotating rod are rotatably connected to the two sides of the fixed seat. The above-mentioned fan spraying cover reduces the odor dispersion and improves the protection of the environment by quickly drying the fan after spraying.

[0004] However, when the above-mentioned device is placed on the transmission table after spraying, the bottom of the mesh cover will contact the transmission table, causing the paint on the bottom of the mesh cover that has just been sprayed to adhere to the transmission table, affecting the integrity of the sprayed appearance of the mesh cover. Summary of the invention

[0005] The purpose of the present invention is to solve the problem in the prior art that the paint on the bottom surface of the mesh cover after plastic spraying adheres to the transmission platform, affecting the integrity of the outer tube of the mesh cover after plastic spraying, and to propose a mesh cover plastic spraying equipment for fan production and its operation method.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A mesh cover spraying device for fan production, comprising: a processing box, a partition fixed in the middle of the processing box and a transmission assembly symmetrically arranged on both sides of the inner wall of the processing box, two spraying assemblies are symmetrically arranged above the processing box and on the partition, and the spraying assemblies include a rotating seat, a spray rod and a spray head, the spray rod is fixedly connected to the side of the rotating seat, and a plurality of the spray heads are fixedly installed at equal distances on one side of the spray rod close to the mesh cover;

[0008] A plurality of placement assemblies are equidistantly arranged on the transmission assembly, and the placement assemblies symmetrically arranged on both sides are used to fix the mesh cover from both sides. The placement assembly includes a telescopic rod and three placement racks, the telescopic rod is horizontally fixedly connected to the transmission assembly, and the three placement racks are fixedly connected to the telescopic end of the telescopic rod. The three placement racks form a rake shape, and the placement racks on both sides are longer than the placement rack in the middle.

[0009] Preferably, the transmission assembly includes a mounting bar, a driving motor, two rotating shafts and a transmission belt. The mounting bar is fixedly connected to the inner side of the processing box. The two rotating shafts are rotatably mounted at both ends of the inner side of the mounting bar. The transmission belt is sleeved between the two rotating shafts. The driving motor is fixedly connected to the outer side of one end of the mounting bar, and the end is fixedly connected to the rotating shaft at one end.

[0010] Preferably, the plastic spraying assembly also includes a material box, a material guide ring, a conduit, a control motor and a telescopic column, the control motor is fixedly mounted on the processing box, the telescopic column is fixedly connected to the output end of the control motor, the rotating seat is fixedly connected to the bottom end of the telescopic column, the material guide ring is fixedly connected to the outside of the rotating seat, the material guide ring is used to introduce the spray material into the spray rod, the material box is fixedly connected to the processing box, and the conduit is fixedly connected between the material box and the material guide ring.

[0011] Preferably, the spraying assembly is provided with an air jet assembly, and the air jet assembly includes a fan and an air jet strip, the fan is fixedly mounted on the material box, and the air jet strip is fixedly connected to the spray rod.

[0012] Preferably, the placement rack includes a connecting rod, a mounting rod, an elastic shaft and a placement plate, the connecting rod is fixedly connected to the end of the telescopic rod, the mounting rod is vertically fixedly connected to the end of the connecting rod, the elastic shaft is fixedly installed at the bottom end of the mounting rod, and the middle part of the placement plate is fixedly connected to the bottom side of the elastic shaft.

[0013] Preferably, a cleaning assembly is provided inside the processing box, and the cleaning assembly includes a fixed frame, a cleaning strip and a collecting box. The fixed frame is L-shaped and fixedly connected to the inner side of the mounting strip and located in the middle of the transmission belt. The cleaning strip and the collecting box are fixedly mounted on a side of the fixed frame close to the transmission assembly, and the placement frame is arranged between the cleaning strip and the collecting box.

[0014] Preferably, a plurality of slide grooves are provided on the side of the spray rod, and a limit tube is slidably provided on the slide groove, the limit tube is used to limit the number of spray heads, and a fixing bolt is provided on the limit tube.

[0015] Preferably, an extrusion assembly is arranged between the limiting tube and the placing plate, and the extrusion assembly includes an extrusion column and a pushing plate. The pushing plate is fixedly connected to the upper side of one end of the limiting tube located below close to the guide ring, and the extrusion column is fixedly connected to the bottom surface of the placing plate. The bottom end of the extrusion column is spherical, and the upper side of the pushing plate is arc-shaped, and the extrusion column is driven to move upward during the rotation of the pushing plate.

[0016] Preferably, a drying assembly is provided on the side of the processing box away from the feeding end, and the drying assembly includes a drying box and two drying fans. The drying box is fixedly connected to the side of the processing box, and the two drying fans are fixedly installed on the drying box.

[0017] An operating method of a mesh cover plastic spraying device for fan production, the operating steps are as follows:

[0018] S1: According to the diameter of the mesh, the telescopic rod in the placement assembly is controlled to adjust the length so as to place the side of the mesh on the placement racks on both sides;

[0019] S2: Start the drive motor, and move the mesh cover placed on the placement rack to the inside of the processing box through the transmission belts on both sides. When the center of the mesh cover is transferred to the bottom of the spray-molded component, the position of the mesh cover is sensed by the sensor, and the transmission belt stops rotating;

[0020] S3: Before spraying, the spray bar is controlled to rotate, and the fan is started at the same time, and impurities are removed from the upper and lower sides of the mesh cover by spraying air through the upper and lower rotating spray bars;

[0021] S4: After the impurities are removed by jetting, the spray bar below is controlled to rotate first, and the paint is sprayed out through the nozzle. When the spray bar below rotates, the spray bar above starts to rotate and sprays the upper surface of the mesh cover;

[0022] S5: During the rotation of the spray bar below, the placement frame is squeezed by the squeezing assembly, so that the placement plate is deflected, the position in contact with the mesh is exposed, and the mesh is sprayed evenly and completely;

[0023] S6: The sprayed mesh cover is transferred to the drying component through the conveying component, and the mesh cover is dried by the drying component;

[0024] S7: The placement rack sprayed with paint rotates along with the transmission component and moves to the interior of the cleaning component below, and the placement rack is cleaned by the cleaning component.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] The upper and lower spray bars are used to rotate and spray the plastic on the mesh cover, thereby avoiding the accumulation and dripping of the spray material under the action of gravity. During the spraying process, the spray bar at the bottom sprays the plastic first, and the spray material will move upward under the action of the impact force. In order to avoid the waste of spray material, after the spray bar at the bottom finishes spraying, the upper spray bar starts spraying and rotates along the rotation direction of the lower spray bar. In this way, the spray material sprayed from the top can block the spray material spreading upward, and drive the overall downward movement of the spray material, reducing the diffusion of the upward spray material and avoiding the waste of spray material;

[0027] The two sides of the mesh are supported by the placement racks on both sides, which minimizes the contact area with the mesh and ensures the fixation of meshes of different diameters. At the same time, during the transfer process, the sprayed position of the mesh will not contact the outside to avoid affecting the appearance of the mesh.

[0028] Before the plastic spraying process, the fan is used to extract air from the outside, and the surface of the mesh cover is cleaned by jetting dry and pure gas to clean the dust and impurities attached to the mesh cover to ensure the effect of plastic spraying;

[0029] After the transfer of the spray-dried mesh cover is completed, the placement rack will be transferred to the bottom of the transmission belt, and the spray material attached to the placement rack will be cleaned by the cleaning liquid sprayed from the inside of the cleaning strip, and the cleaning liquid will be collected by the collection box below to ensure that no cleaning liquid will remain on the surface of each placement rack when the mesh cover is placed;

[0030] Since mesh covers of different diameters require different numbers of nozzles, if the same number of nozzles is used, some spraying materials will be wasted during the spraying process. By setting a position-adjustable limit tube to seal the nozzle, the number of nozzles can be adjusted autonomously to avoid waste of spraying materials.

[0031] The extrusion column moves upward under the push of the pushing plate, causing the side of the placement plate used to support the mesh cover to move downward. At this time, the spray rod is transferred to the bottom of the exposed mesh cover to spray plastic on the original supporting position of the mesh cover. The three placement plates are deflected respectively, and only one placement plate is deflected at a time. The other two placement plates will ensure the support effect for the mesh cover and will not cause the mesh cover to shift, thereby ensuring the effect of plastic spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the side structure of a mesh cover plastic spraying equipment for fan production proposed by the present invention;

[0033] Figure 2 This is a schematic diagram of the front structure of a mesh cover plastic spraying equipment for fan production proposed by the present invention;

[0034] Figure 3 This is a schematic diagram of the processing box structure of a mesh cover spraying equipment for fan production proposed by the present invention;

[0035] Figure 4 This is a schematic diagram of the transmission component structure of a mesh cover spraying equipment for fan production proposed by the present invention;

[0036] Figure 5 This is a schematic diagram of the structure of a plastic spraying component of a mesh cover plastic spraying equipment for fan production proposed by the present invention;

[0037] Figure 6 This is a schematic diagram of the structure of the placement components of a mesh cover spraying equipment for fan production proposed by the present invention;

[0038] Figure 7 This is a schematic diagram of the structure of a cleaning component of a mesh cover spraying equipment for fan production proposed by the present invention;

[0039] Figure 8 This is a schematic diagram of the structure of an extrusion assembly of a mesh cover spraying equipment for fan production proposed by the present invention;

[0040] Fig. 9 This is a schematic structural diagram of a drying component of a mesh cover plastic spraying equipment for fan production proposed by the present invention.

[0041] In the figure: 1. processing box; 2. partition; 3. transmission component; 31. mounting strip; 32. driving motor; 33. rotating shaft; 34. transmission belt; 4. spraying component; 41. rotating seat; 42. spray rod; 43. nozzle; 44. material box; 45. guide ring; 46. conduit; 47. control motor; 48. telescopic column; 5. placement component; 51. telescopic rod; 52. placement frame; 521. connecting rod; 522. mounting rod; 523. elastic shaft; 524. placement plate; 6. jet component; 61. fan; 62. jet strip; 7. cleaning component; 71. fixing frame; 72. cleaning strip; 73. collecting box; 8. extrusion component; 81. extrusion column; 82. pushing plate; 9. drying component; 91. drying box; 92. drying machine; 10. limit pipe. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0043] The terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present invention are only for the convenience of description and are not used to limit the scope of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of the present invention without substantially changing the technical content.

[0044] Reference Figure 1-Figure 9 A mesh cover spraying equipment for fan production, comprising: a processing box 1, a partition 2 fixed in the middle of the processing box 1 and a transmission assembly 3 symmetrically arranged on both sides of the inner wall of the processing box 1, two spraying assemblies 4 are symmetrically arranged above the processing box 1 and on the partition 2, and the spraying assembly 4 includes a rotating seat 41, a spray rod 42 and a spray head 43, the spray rod 42 is fixedly connected to the side of the rotating seat 41, and a plurality of the spray heads 43 are equidistantly fixedly installed on the side of the spray rod 42 close to the mesh cover;

[0045] A plurality of placement components 5 are equidistantly arranged on the transmission component 3. The placement components 5 symmetrically arranged on both sides are used to fix the mesh cover from both sides. The placement components 5 include a telescopic rod 51 and three placement racks 52. The telescopic rod 51 is horizontally fixedly connected to the transmission component 3. The three placement racks 52 are fixedly connected to the telescopic ends of the telescopic rod 51. The three placement racks 52 form a rake shape, and the placement racks 52 on both sides are longer than the placement rack 52 in the middle.

[0046] In the embodiment of the application of the above technical solution, the vertically placed mesh cover will cause the spray material to move downward during the spraying process, which will also cause waste of spray material. The mesh cover is driven to move horizontally by two horizontally moving transmission components 3, and during the spraying process, the mesh cover is rotated by the upper and lower spray rods 42 to spray plastic, thereby avoiding the accumulation and dripping of spray material under the action of gravity and reducing the waste of spray material.

[0047] During the plastic spraying process, the spray rod 42 located at the bottom sprays plastic first, and the spray material will move upward under the action of the impact force. In order to avoid the waste of spray material, after the lower spray rod 42 finishes spraying, the upper spray rod 42 starts spraying again, and rotates along the rotation direction of the lower spray rod 42, so that the spray material sprayed from the top can block the spray material spreading upward, and drive the overall downward movement of the spray material, thereby reducing the diffusion of the upward spray material and avoiding the waste of spray material.

[0048] The two sides of the mesh cover are placed and supported by the placement racks 52 on both sides, which minimizes the contact area with the mesh cover and ensures the fixation of mesh covers of different diameters. At the same time, during the transfer process, it is ensured that the position of the mesh cover sprayed with plastic will not contact the outside to avoid affecting the appearance of the mesh cover.

[0049] The present invention reduces the waste of spraying materials and avoids the influence on the appearance of the mesh cover while ensuring the spraying effect.

[0050] The preferred technical solution in this embodiment is:

[0051] Reference Figure 4 The transmission assembly 3 includes a mounting bar 31, a driving motor 32, two rotating shafts 33 and a transmission belt 34. The mounting bar 31 is fixedly connected to the inner side of the processing box 1. The two rotating shafts 33 are rotatably mounted at both ends of the inner side of the mounting bar 31. The transmission belt 34 is sleeved between the two rotating shafts 33. The driving motor 32 is fixedly connected to the outer side of one end of the mounting bar 31, and the end is fixedly connected to the rotating shaft 33 at one end.

[0052] The mesh cover placed in the middle is driven to transfer by the transmission components 3 on both sides, thereby reducing the adhesion of the spray material to the transmission components 3. At the same time, the mesh cover does not need to change its horizontal position during the spraying and drying process, thereby avoiding the adhesion of the spray material.

[0053] During the transmission process, the driving motor 32 drives the rotating shaft 33 to rotate, thereby driving the transmission belt 34 to rotate, and the position of the mesh cover placed between the two transmission belts 34 is transferred.

[0054] Reference Figure 1-3 The spraying assembly 4 also includes a material box 44, a material guide ring 45, a conduit 46, a control motor 47 and a telescopic column 48. The control motor 47 is fixedly mounted on the processing box 1, and the telescopic column 48 is fixedly connected to the output end of the control motor 47. The rotating seat 41 is fixedly connected to the bottom end of the telescopic column 48. The material guide ring 45 is fixedly connected to the outside of the rotating seat 41. The material guide ring 45 is used to introduce spray material into the spray rod 42. The material box 44 is fixedly connected to the processing box 1, and the conduit 46 is fixedly connected between the material box 44 and the material guide ring 45.

[0055] During plastic spraying, the distance between the spray rod 42 and the mesh cover is changed by the telescopic effect of the telescopic column 48, and the spray rod 42 is driven to rotate by controlling the motor 47. The raw material to be sprayed is placed in the material box 44, and the liquid spray material in the material box 44 is introduced into the guide ring 45 through the liquid pipe inside the conduit 46. The spray material is then introduced into the spray rod 42 through the guide ring 45, and sprayed out through the nozzle 43 to complete the plastic spraying process on the mesh cover.

[0056] Reference Figure 5 The spray assembly 4 is provided with an air jet assembly 6 , and the air jet assembly 6 includes a fan 61 and an air jet strip 62 . The fan 61 is fixedly mounted on the material box 44 , and the air jet strip 62 is fixedly connected to the spray rod 42 .

[0057] There are two pipes inside the conduit 46, one is a liquid pipe and the other is an air pipe. The liquid pipe is used to transfer the spray material, and the air pipe is used to conduct the gas.

[0058] During the transfer process, dust and impurities may adhere to the surface of the mesh. If these dust and impurities are not cleaned, the plastic spraying may be uneven, and bulges may be formed on the mesh during the plastic spraying operation, which may affect the overall appearance of the mesh. Before the plastic spraying process, air is exhausted from the outside by the fan 61, and the surface of the mesh is cleaned by jetting dry and pure gas to clean the dust and impurities adhered to the mesh, thereby ensuring the effect of the plastic spraying.

[0059] Reference Figure 6 The placement rack 52 includes a connecting rod 521, a mounting rod 522, an elastic shaft 523 and a placement plate 524. The connecting rod 521 is fixedly connected to the end of the telescopic rod 51, the mounting rod 522 is vertically fixedly connected to the end of the connecting rod 521, the elastic shaft 523 is fixedly installed at the bottom end of the mounting rod 522, and the middle part of the placement plate 524 is fixedly connected to the bottom side of the elastic shaft 523.

[0060] The thin rod arrangement of the connecting rod 521 and the mounting rod 522 can reduce the blocking area caused by spraying the mesh cover. At the same time, the elastic shaft 523 has a certain elastic resistance, ensuring that the gravity of the mesh cover can be fully shared by multiple elastic shafts 523. The side of the mesh cover is supported by multiple arc-shaped placement plates 524, which can minimize the blocking area of ​​the mesh cover while ensuring the supporting effect of the mesh cover.

[0061] Reference Figure 7 A cleaning assembly 7 is provided inside the processing box 1, and the cleaning assembly 7 includes a fixed frame 71, a cleaning strip 72 and a collecting box 73. The fixed frame 71 is L-shaped and is fixedly connected to the inner side of the mounting strip 31 and is located in the middle of the transmission belt 34. The cleaning strip 72 and the collecting box 73 are fixedly installed on one side of the fixed frame 71 close to the transmission assembly 3, and the placement rack 52 is arranged between the cleaning strip 72 and the collecting box 73.

[0062] During the spraying process, part of the spray material will be sprayed on the placement rack 52, resulting in liquid spray on the placement rack 52. If these sprays are not processed, the spray will adhere to the bottom surface of the mesh cover, resulting in uneven spraying on the bottom surface of the mesh cover.

[0063] If the spray material is not processed, after the spray solidifies, sticky protrusions will form on the surface of the placement rack 52, causing adhesion to the mesh cover, affecting the transfer of the mesh cover, and causing the mesh cover to be placed unevenly, causing the position of various parts of the mesh cover to the nozzle 43 to change, affecting the overall spraying effect of the mesh cover.

[0064] After the transfer of the spray-dried and dried mesh cover is completed, the placement rack 52 will be transferred to the bottom of the transmission belt 34, and the spray material attached to the placement rack 52 will be cleaned by the cleaning liquid sprayed from the inside of the cleaning strip 72, and the cleaning liquid will be collected by the collection box 73 below to ensure that no cleaning liquid will remain on the surface of each placement rack 52 when the mesh cover is placed.

[0065] Reference Figure 8 The spray rod 42 has a plurality of slide grooves on its side, and a limit tube 10 is slidably arranged on the slide groove. The limit tube 10 is used to limit the number of the spray heads 43, and a fixing bolt is arranged on the limit tube 10;

[0066] An extrusion assembly 8 is arranged between the limiting tube 10 and the placement plate 524, and the extrusion assembly 8 includes an extrusion column 81 and a push plate 82. The push plate 82 is fixedly connected to the upper side of the limiting tube 10 located below and close to the guide ring 45. The extrusion column 81 is fixedly connected to the bottom surface of the placement plate 524. The bottom end of the extrusion column 81 is spherical, and the upper side of the push plate 82 is arc-shaped, and the push plate 82 drives the extrusion column 81 to move upward during rotation.

[0067] Since mesh covers of different diameters require different numbers of nozzles 43, if the same number of nozzles 43 are used, some spraying materials will be wasted during the spraying process. By setting a position-adjustable limit tube 10 to seal the nozzle 43, the number of nozzles 43 can be adjusted autonomously to avoid waste of spraying materials.

[0068] During the spraying process, since the placement plate 524 needs to support the mesh cover, the support position cannot be sprayed during the spraying process. In order to ensure that the spraying of the entire mesh cover is uniform, the limit tube 10 will be driven to rotate during the rotation of the spray rod 42. When the limit tube 10 rotates, the push plate 82 will be driven to rotate. The push plate 82 will first contact the extrusion column 81, and the extrusion column 81 will move up under the push of the push plate 82, thereby causing the placement plate 524 used to support the mesh cover to move down. At this time, the spray rod 42 is transferred to the bottom of the exposed mesh cover, and the original support position of the mesh cover is sprayed. As the limit tube 10 rotates, the three placement plates 524 will be deflected respectively, and only one placement plate 524 will be deflected each time. The other two placement plates 524 will ensure the support effect on the mesh cover and will not allow the mesh cover to shift, thereby ensuring the effect of spraying.

[0069] Reference Fig. 9 A drying assembly 9 is provided on the side of the processing box 1 away from the feeding end. The drying assembly 9 includes a drying box 91 and two dryers 92. The drying box 91 is fixedly connected to the side of the processing box 1, and the two dryers 92 are fixedly installed on the drying box 91.

[0070] By arranging the transmission assembly 3 inside the drying assembly 9, it is ensured that the sprayed material is directly dried after the spraying is completed, avoiding the sprayed material falling on the mesh cover due to position shifting, and ensuring the spraying effect of the mesh cover.

[0071] An operating method of a mesh cover plastic spraying device for fan production, the operating steps are as follows:

[0072] S1: According to the diameter of the mesh, the telescopic rod 51 in the placement assembly 5 is controlled to adjust the length so as to place the side of the mesh on the placement racks 52 on both sides;

[0073] S2: Start the driving motor 32, and move the mesh cover placed on the placement rack 52 to the inside of the processing box 1 through the transmission belts 34 on both sides. When the center of the mesh cover is transferred to the bottom of the spraying assembly 4, the position of the mesh cover is sensed by the sensor, and the transmission belt 34 stops rotating;

[0074] S3: Before spraying, the spray rod 42 is controlled to rotate, and the fan 61 is started at the same time, and the upper and lower sides of the mesh cover are sprayed with air to remove impurities through the upper and lower rotating spray bars 62;

[0075] S4: After the impurities are removed by jetting, the lower spray bar 42 is first controlled to rotate, and the paint is sprayed through the nozzle 43. After the lower spray bar 42 rotates, the upper spray bar 42 starts to rotate to spray the upper surface of the mesh cover;

[0076] S5: During the rotation of the spray rod 42 below, the placing frame 52 is squeezed by the squeezing assembly 8, so that the placing plate 524 is deflected, the position in contact with the mesh is exposed, and the mesh is sprayed evenly and completely;

[0077] S6: The sprayed mesh cover is transferred to the drying assembly 9 through the conveying assembly, and the mesh cover is dried by the drying assembly 9;

[0078] S7: The placement rack 52 sprayed with paint rotates along with the transmission assembly 3 and moves to the interior of the cleaning assembly 7 below, and the placement rack 52 is cleaned by the cleaning assembly 7.

[0079] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mesh cover plastic spraying equipment for fan production, comprising: A processing box (1), a partition (2) fixed in the middle of the processing box (1), and a transmission assembly (3) symmetrically arranged on both sides of the inner wall of the processing box (1), characterized in that two spraying assemblies (4) are symmetrically arranged above the processing box (1) and on the partition (2), and the spraying assemblies (4) include a rotating seat (41), a spray rod (42) and a spray head (43), the spray rod (42) is fixedly connected to the side of the rotating seat (41), and a plurality of the spray heads (43) are equidistantly fixedly installed on a side of the spray rod (42) close to the mesh cover; The spraying assembly (4) further comprises a material box (44), a material guide ring (45), a conduit (46), a control motor (47) and a telescopic column (48); the control motor (47) is fixedly mounted on the processing box (1); the telescopic column (48) is fixedly connected to the output end of the control motor (47); the rotating seat (41) is fixedly connected to the bottom end of the telescopic column (48); the material guide ring (45) is fixedly connected to the outside of the rotating seat (41); the material guide ring (45) is used to guide the spraying material into the spraying rod (42); the material box (44) is fixedly connected to the processing box (1); and the conduit (46) is fixedly connected between the material box (44) and the material guide ring (45); A plurality of placement components (5) are equidistantly arranged on the transmission component (3), and the placement components (5) symmetrically arranged on both sides are used to fix the mesh cover from both sides, and the placement components (5) include a telescopic rod (51) and three placement racks (52), the telescopic rod (51) is horizontally fixedly connected to the transmission component (3), and the three placement racks (52) are fixedly connected to the telescopic ends of the telescopic rod (51), and the three placement racks (52) form a rake shape, and the placement racks (52) on both sides are longer than the placement rack (52) in the middle; The placement rack (52) comprises a connecting rod (521), a mounting rod (522), an elastic shaft (523) and a placement plate (524); the connecting rod (521) is fixedly connected to the end of the telescopic rod (51); the mounting rod (522) is vertically fixedly connected to the end of the connecting rod (521); the elastic shaft (523) is fixedly installed at the bottom end of the mounting rod (522); and the middle part of the placement plate (524) is fixedly connected to the bottom side of the elastic shaft (523); A plurality of slide grooves are provided on the side of the spray rod (42), a limit tube (10) is slidably arranged on the slide groove, the limit tube (10) is used to limit the number of spray heads (43), and a fixing bolt is arranged on the limit tube (10); An extrusion assembly (8) is provided between the position limiting tube (10) and the placement plate (524), the extrusion assembly (8) comprising an extrusion column (81) and a push plate (82), the push plate (82) being fixedly connected to the upper side of one end of the position limiting tube (10) located below and close to the material guide ring (45), the extrusion column (81) being fixedly connected to the bottom surface of the placement plate (524), the bottom end of the extrusion column (81) being spherical, the upper side of the push plate (82) being arc-shaped, and the push plate (82) driving the extrusion column (81) to move upward during rotation, thereby causing one side of the placement plate (524) used for supporting the mesh cover to move downward.

2. The screen plastic spraying equipment for fan production according to claim 1 is characterized in that: The transmission assembly (3) comprises a mounting bar (31), a driving motor (32), two rotating shafts (33) and a transmission belt (34); the mounting bar (31) is fixedly connected to the inner side of the processing box (1); the two rotating shafts (33) are rotatably mounted at two ends of the inner side of the mounting bar (31); the transmission belt (34) is sleeved between the two rotating shafts (33); the driving motor (32) is fixedly connected to the outer side of one end of the mounting bar (31), and the end portion is fixedly connected to the rotating shaft (33).

3. The screen plastic spraying equipment for fan production according to claim 1 is characterized in that: The spray assembly (4) is provided with an air jet assembly (6), the air jet assembly (6) comprising a fan (61) and an air jet strip (62), the fan (61) being fixedly mounted on the material box (44), and the air jet strip (62) being fixedly connected to the spray rod (42).

4. The screen plastic spraying equipment for fan production according to claim 2 is characterized in that: A cleaning assembly (7) is arranged inside the processing box (1), and the cleaning assembly (7) comprises a fixing frame (71), a cleaning strip (72) and a collecting box (73); the fixing frame (71) is L-shaped and fixedly connected to the inner side of the mounting strip (31) and located in the middle of the transmission belt (34); the cleaning strip (72) and the collecting box (73) are fixedly mounted on a side of the fixing frame (71) close to the transmission assembly (3), and the placement frame (52) is arranged between the cleaning strip (72) and the collecting box (73).

5. The screen plastic spraying equipment for fan production according to claim 2 is characterized in that: A drying assembly (9) is provided on a side of the processing box (1) away from the feeding end, the drying assembly (9) comprising a drying box (91) and two dryers (92), the drying box (91) being fixedly connected to a side of the processing box (1), and the two dryers (92) being fixedly mounted on the drying box (91).

6. An operating method of a screen plastic spraying device for fan production, comprising the screen plastic spraying device for fan production according to claim 5, characterized in that: The steps are as follows: S1: According to the diameter of the mesh cover, the telescopic rod (51) in the placement component (5) is controlled to adjust the length so as to facilitate placing the side edges of the mesh cover on the placement racks (52) on both sides; S2: starting the driving motor (32), and moving the mesh cover placed on the placement frame (52) to the inside of the processing box (1) through the transmission belts (34) on both sides. When the center of the mesh cover is transferred to the bottom of the plastic spraying component (4), the position of the mesh cover is sensed by the sensor, and the transmission belt (34) stops rotating; S3: Before spraying, the spray rod (42) is controlled to rotate, and the fan (61) is started at the same time, and impurities are removed from the upper and lower sides of the mesh cover by spraying air through the upper and lower rotating spray bars (62); S4: After the impurities are removed by jetting, the lower spray rod (42) is first controlled to rotate, and the paint is sprayed through the nozzle (43). After the lower spray rod (42) rotates, the upper spray rod (42) starts to rotate, and sprays the upper surface of the mesh cover; S5: During the rotation process, the spray rod (42) below squeezes the placement frame (52) through the squeezing assembly (8), thereby causing the placement plate (524) to deflect, exposing the position in contact with the mesh cover, and spraying the mesh cover evenly and completely; S6: the spray-molded mesh cover is transferred to the interior of the drying assembly (9) through the conveying assembly, and the mesh cover is dried by the drying assembly (9); S7: The placement rack (52) sprayed with paint is moved to the interior of the cleaning assembly (7) below as the transmission assembly (3) rotates, and the placement rack (52) is cleaned by the cleaning assembly (7).

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