Drying device for plastic coating spraying

Abstract

The drying device comprises a supporting seat, side baffles are fixedly connected to the two sides of the top of the supporting seat, a driving bin is fixedly connected between the tops of the two side baffles, an axial flow air pipe is rotationally embedded in the bottom wall of the driving bin, a transverse plate is fixedly connected to the bottom end of the axial flow air pipe, and the transverse plate is fixedly connected to the top of the supporting seat. Notches are formed in the two ends of each transverse plate, a spray pipe is rotationally connected between the inner walls of the two sides of each notch and rotationally connected with an axial flow air pipe through a hose, and a conveying assembly is connected between the two side baffles. The two conveying rollers drive the conveying belt to do circulating motion, the conveying belt drives plastic products on the upper side of the conveying belt to enter the drying position below the driving bin and then pauses, after drying is finished, the conveying motor is restarted, the plastic products can be taken away, automatic feeding and discharging are achieved, the labor burden is reduced, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic coating, in particular to a drying device for plastic coating spraying. Background Art

[0002] Plastic coating is a common protective product. It can protect the surface of plastic products and extend their service life. Plastic coating also has a beautifying effect, making plastic products more beautiful and elegant. Plastic coating can also prevent corrosion and oxidation, and has excellent electrical insulation and chemical resistance. Therefore, it is favored by more and more manufacturers and consumers.

[0003] Chinese patent announcement number CN218202609U discloses a plastic surface treatment device, which uses a cleaning, drying and coating structure. By using an integrated processing structure, cleaning, drying and coating are integrated, and processing can be performed in a closed space at one time, ensuring processing speed and processing effect. It solves the problem that after the production of existing plastic parts, there will be potholes on the surface, and the potholes on the surface need to be coated and filled by spraying. However, in order to ensure the effect after coating, the plastic needs to be cleaned first, and then transferred to the coating equipment for surface treatment. During the transfer process, dust and other impurities are easily attached to the plastic surface, affecting the effect of surface treatment;

[0004] The above technology has the following disadvantages: 1. The drying fan blows air from top to bottom, which can easily lead to drying dead corners for plastic products with uneven surfaces; 2. The drying fan has high heating power and high heat energy loss, resulting in unnecessary waste of resources. Therefore, the utility model provides a drying device for plastic coating spraying to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a drying device for plastic coating spraying, so as to solve the technical problems that the drying fan of traditional plastic surface treatment equipment blows air from top to bottom, which easily leads to the appearance of drying dead corners for plastic products with uneven surfaces, and the drying fan has high power for heating during operation and high heat energy loss, resulting in unnecessary waste of resources.

[0006] To achieve the above purpose, the utility model solves the above technical problems as follows:

[0007] A drying device for plastic coating spraying comprises a support base, side baffles are fixedly connected to both sides of the top of the support base, a driving bin is fixedly connected between the tops of the two side baffles, an axial flow air duct is rotatably embedded on the bottom wall of the driving bin, a cross plate is fixedly connected to the bottom end of the axial flow air duct, recesses are provided at both ends of the cross plate, a nozzle is rotatably connected between the inner walls on both sides of the recess, the nozzle is rotatably connected to the axial flow air duct through a hose, wherein a transmission assembly is connected between the two side baffles, a driving assembly is connected between the axial flow air duct and the bottom wall of the driving bin, an angle adjustment assembly is connected between the two nozzles and the driving bin, and a hot air blower is fixedly connected to the upper side of the driving bin, and the output end of the hot air blower is rotatably connected to the axial flow air duct.

[0008] As a further solution of the utility model, the transmission assembly includes two transmission rollers rotatably connected between two side baffles and a transmission motor fixedly connected to the outside of one of the side baffles, a transmission belt is transmission-connected between the two transmission rollers, and the output end of the transmission motor is fixedly connected to one of the transmission rollers.

[0009] As a further solution of the utility model, the driving assembly includes a driving motor fixed to the bottom wall of the driving bin and a driven gear fixedly sleeved on the outer wall of the axial flow air duct, a driving gear is fixed to the output end of the driving motor, and the driving gear is meshingly connected with the driven gear.

[0010] As a further solution of the utility model, the angle adjustment assembly includes two electric push rods fixed on the bottom wall of the drive bin, the output ends of the electric push rods pass through the drive bin and are fixed with an annular track, the lower side of the annular track is slidably connected to two sliders, the sliders are hinged with inclined rods, and the inclined rods are rotatably connected to adjacent nozzles.

[0011] As a further solution of the utility model, a dryer is fixed to the input end of the hot air blower, air ducts are fixed on both sides of the dryer, the ends of the air ducts away from the dryers are connected to wind hoods, the two wind hoods are fixedly embedded on two side baffles, and a protective net is fixedly embedded at the opening on one side of the wind hood away from the air duct.

[0012] As a further solution of the utility model, a mesh plate is fixedly embedded in the bottom wall of the dryer, a desiccant bag is placed on the upper side of the mesh plate, and an inspection port is provided on the upper side of the dryer, a cover plate is screwed to the edge of the inspection port.

[0013] As a further solution of the utility model, universal wheels are installed at the four corners of the bottom side of the support seat, and a plurality of plastic strips are fixedly connected to the lower sides of both ends of the driving compartment.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The drying device for plastic coating spraying places the plastic product on the conveyor belt. The conveyor motor drives the conveyor roller to rotate. The two conveyor rollers drive the conveyor belt to make a circular motion. The conveyor belt drives the plastic product on its upper side to the drying position below the driving bin and then pauses. After the drying is completed, the conveyor motor restarts to take away the plastic product, realizing automatic loading and unloading, reducing the labor burden and high efficiency.

[0016] 2. In the drying device for plastic coating spraying, the hot air blower blows out hot air into the axial flow air duct, and the hot air is ejected from the nozzle outlet through the hose and acts on the outside of the plastic product to dry the outer wall of the plastic product. The hot air blower extracts the hot air on the lower side of the drive bin and re-enters the dryer. The water vapor in the hot air can be absorbed by the desiccant bag, which plays a dehumidifying role. The hot air can be recycled, which is energy-saving and environmentally friendly.

[0017] 3. The drying device for plastic coating spraying, the driving motor drives the active gear to rotate, the active gear drives the driven gear to rotate, the driven gear drives the axial flow air duct and the cross plate to rotate, the nozzle revolves around the axial flow air duct, and can fully dry the periphery of the plastic product. On the other hand, the electric push rod drives the circular track to rise and fall. During the process of the circular track rising and falling, the slider rotates with the nozzle, and will not get stuck. The slider is pushed and pulled back and forth, so that the air outlet angle of the nozzle can be changed, and the plastic product can be swept from top to bottom for comprehensive drying, avoiding drying dead corners. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 This is a three-dimensional diagram of a drying device for plastic coating spraying according to the utility model;

[0020] Figure 2 This is a top view of a drying device for plastic coating spraying according to the utility model;

[0021] Figure 3 This is a side sectional view of a drying device for plastic coating spraying according to the utility model;

[0022] Figure 4 The utility model is a drying device for plastic coating spraying Figure 3 A magnified view of the structure at A;

[0023] Figure 5 The utility model is a drying device for plastic coating spraying Figure 3 A magnified view of the structure at B in FIG.

[0024] Figure 6 The utility model is a schematic diagram of the connection structure between the horizontal plate and the spray pipe in a drying device for plastic coating spraying.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Support seat; 11. Side baffle; 12. Drive compartment; 13. Universal wheel; 14. Plastic strip; 2. Axial flow air duct; 21. Horizontal plate; 22. Notch; 23. Nozzle; 24. Hose; 3. Transmission assembly; 31. Transmission roller; 32. Transmission motor; 33. Transmission belt; 4. Drive assembly; 41. Drive motor; 42. Driven gear; 43. Driving gear; 5. Angle adjustment assembly; 51. Electric push rod; 52. Annular track; 53. Sliding block; 54. Diagonal rod; 6. Hot air blower; 61. Dryer; 62. Air duct; 63. Wind hood; 64. Protective net; 65. Grid plate; 66. Desiccant bag. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the embodiments.

[0028] See also Figure 1-6 The utility model provides a drying device for plastic coating spraying, comprising a support seat 1, both sides of the top of the support seat 1 are fixedly connected with side baffles 11, a driving bin 12 is fixedly connected between the tops of the two side baffles 11, universal wheels 13 are installed at the four corners of the bottom side of the support seat 1, and a plurality of plastic strips 14 are fixedly connected to the lower sides of both ends of the driving bin 12;

[0029] Specifically, the universal wheel 13 facilitates the displacement of the support seat 1, and a wheel brake is installed on the universal wheel 13 to facilitate the positioning of the support seat 1. The driving compartment 12 and the side baffles 11 on both sides together form an opening, and the plastic strips 14 on the top of the opening are arranged closely in sequence, which plays a role in reducing heat energy loss.

[0030] Further, an axial flow air duct 2 is rotatably embedded on the bottom wall of the driving bin 12, a horizontal plate 21 is fixedly connected to the bottom end of the axial flow air duct 2, recesses 22 are provided at both ends of the horizontal plate 21, a nozzle 23 is rotatably connected between the inner walls on both sides of the recess 22, the nozzle 23 is rotatably connected to the axial flow air duct 2 through a hose 24, a hot air blower 6 is fixedly connected to the upper side of the driving bin 12, the output end of the hot air blower 6 is rotatably connected to the axial flow air duct 2, a dryer 61 is fixed to the input end of the hot air blower 6, air guide ducts 62 are fixed on both sides of the dryer 61, and one end of the air guide duct 62 away from the dryer 61 is connected to a hood 63, the two hoods 63 are respectively fixedly embedded on the two side baffles 11, and a protective net 64 is fixedly embedded at the opening on one side of the hood 63 away from the air guide duct 62;

[0031] Specifically, the hot air blower 6 extracts the hot air from the lower side of the driving chamber 12 and re-enters the dryer 61, so that the hot air can be recycled, which is energy-saving and environmentally friendly.

[0032] Furthermore, a mesh plate 65 is fixedly embedded in the bottom wall of the dryer 61, a desiccant bag 66 is placed on the upper side of the mesh plate 65, and an inspection port is provided on the upper side of the dryer 61, a cover plate is fixed to the edge of the inspection port by screws;

[0033] Specifically, the water vapor in the hot air can be absorbed by the desiccant bag 66, which plays a dehumidifying role. After the inspection port is removed, the failed desiccant bag 66 can be replaced.

[0034] Furthermore, a transmission assembly 3 is connected between the two side baffles 11, and the transmission assembly 3 includes two transmission rollers 31 rotatably connected between the two side baffles 11 and a transmission motor 32 fixedly connected to the outer side of one of the side baffles 11, a transmission belt 33 is transmission-connected between the two transmission rollers 31, and an output end of the transmission motor 32 is fixedly connected to one of the transmission rollers 31;

[0035] Specifically, the transmission motor 32 drives the transmission roller 31 to rotate, and the two transmission rollers 31 drive the transmission belt 33 to make a circular motion. The transmission belt 33 drives the plastic product on its upper side to enter the drying position below the driving bin 12 and then pauses. After the drying is completed, the transmission motor 32 restarts.

[0036] Furthermore, a driving assembly 4 is connected between the axial flow air duct 2 and the bottom wall of the driving chamber 12, and the driving assembly 4 includes a driving motor 41 fixed to the bottom wall of the driving chamber 12 and a driven gear 42 fixedly sleeved on the outer wall of the axial flow air duct 2, and a driving gear 43 is fixed to the output end of the driving motor 41, and the driving gear 43 is meshed and connected with the driven gear 42;

[0037] Specifically, the driving motor 41 drives the driving gear 43 to rotate, the driving gear 43 drives the driven gear 42 to rotate, the driven gear 42 drives the axial flow air duct 2 and the cross plate 21 to rotate, and the nozzle 23 revolves around the axial flow air duct 2, which can fully dry the periphery of the plastic product.

[0038] Furthermore, an angle adjustment assembly 5 is connected between the two nozzles 23 and the drive chamber 12, and the angle adjustment assembly 5 includes two electric push rods 51 fixed to the bottom wall of the drive chamber 12, and the output end of the electric push rod 51 passes through the drive chamber 12 and is fixed with a circular track 52, and the lower side of the circular track 52 is slidably connected to two sliders 53, and the sliders 53 are hinged with inclined rods 54, and the inclined rods 54 are rotatably connected to the adjacent nozzles 23;

[0039] Specifically, the electric push rod 51 drives the annular track 52 to rise and fall. During the rise and fall of the annular track 52, the slider 53 rotates with the nozzle 23 without getting stuck. The slider 53 pushes and pulls back and forth, so that the air outlet angle of the nozzle 23 can be changed, and air can be swept up and down the plastic product.

[0040] Working principle: When in use, the plastic product is placed on the conveyor belt 33, the conveyor motor 32 drives the conveyor roller 31 to rotate, and the two conveyor rollers 31 drive the conveyor belt 33 to make a circular motion. The conveyor belt 33 drives the plastic product on its upper side to enter the drying position below the drive bin 12 and then pauses. The hot air blower 6 blows hot air into the axial flow air duct 2, and the hot air is ejected from the outlet of the nozzle 23 through the hose 24 and acts on the outside of the plastic product to dry the outer wall of the plastic product. At the same time, the driving motor 41 drives the driving gear 43 to rotate, the driving gear 43 drives the driven gear 42 to rotate, and the driven gear 42 drives the axial flow air duct 2 , the horizontal plate 21 rotates, and the nozzle 23 revolves around the axial flow air duct 2, which can fully dry the periphery of the plastic product. On the other hand, the electric push rod 51 drives the circular track 52 to rise and fall. During the rise and fall of the circular track 52, the slider 53 rotates with the nozzle 23, and there will be no jamming. The slider 53 pushes and pulls back and forth, so that the air outlet angle of the nozzle 23 can be changed, and the plastic product can be swept from top to bottom. The hot air blower 6 extracts the hot air on the lower side of the drive bin 12 and re-enters the dryer 61. The water vapor in the hot air can be absorbed by the desiccant bag 66, which has a dehumidification effect, and the hot air can be recycled, which is energy-saving and environmentally friendly.

Claims

1. A drying device for plastic coating spraying, comprising a support seat (1), characterized in that: Side baffles (11) are fixedly connected to both sides of the top of the support seat (1), a driving chamber (12) is fixedly connected between the tops of the two side baffles (11), an axial flow air duct (2) is rotatably embedded on the bottom wall of the driving chamber (12), a transverse plate (21) is fixedly connected to the bottom end of the axial flow air duct (2), both ends of the transverse plate (21) are provided with notches (22), a nozzle (23) is rotatably connected between the inner walls of both sides of the notch (22), and the nozzle (23) is ) is rotatably connected to the axial flow air duct (2) through a hose (24), wherein a transmission component (3) is connected between the two side baffles (11), a driving component (4) is connected between the axial flow air duct (2) and the bottom wall of the driving bin (12), an angle adjustment component (5) is connected between the two nozzles (23) and the driving bin (12), and a hot air blower (6) is fixedly connected to the upper side of the driving bin (12), and the output end of the hot air blower (6) is rotatably connected to the axial flow air duct (2).

2. A drying device for plastic coating spraying according to claim 1, characterized in that: The transmission assembly (3) comprises two transmission rollers (31) rotatably connected between two side baffles (11) and a transmission motor (32) fixedly connected to the outside of one of the side baffles (11); a transmission belt (33) is transmission-connected between the two transmission rollers (31), and an output end of the transmission motor (32) is fixedly connected to one of the transmission rollers (31).

3. A drying device for plastic coating spraying according to claim 1, characterized in that: The driving assembly (4) comprises a driving motor (41) fixed to the bottom wall of the driving bin (12) and a driven gear (42) fixedly sleeved on the outer wall of the axial flow air duct (2); a driving gear (43) is fixed to the output end of the driving motor (41), and the driving gear (43) is meshingly connected with the driven gear (42).

4. A drying device for plastic coating spraying according to claim 1, characterized in that: The angle adjustment assembly (5) comprises two electric push rods (51) fixed to the bottom wall of the driving chamber (12); the output end of the electric push rod (51) passes through the driving chamber (12) and is fixed with a circular track (52); the lower side of the circular track (52) is slidably connected to two sliders (53); the sliders (53) are hinged with inclined rods (54); and the inclined rods (54) are rotatably connected to adjacent nozzles (23).

5. The drying device for plastic coating spraying according to claim 1, characterized in that: A dryer (61) is fixed at the input end of the hot air blower (6), air guide pipes (62) are fixed on both sides of the dryer (61), and one end of the air guide pipe (62) away from the dryer (61) is connected to a wind cover (63), and the two wind covers (63) are fixedly embedded on two side baffles (11), and a protective net (64) is fixedly embedded at the opening of one side of the wind cover (63) away from the air guide pipe (62).

6. A drying device for plastic coating spraying according to claim 5, characterized in that: A mesh plate (65) is fixedly embedded in the bottom wall of the dryer (61), a desiccant bag (66) is placed on the upper side of the mesh plate (65), and an inspection opening is provided on the upper side of the dryer (61), a cover plate is screwed to the edge of the inspection opening.

7. The drying device for plastic coating spraying according to claim 1, characterized in that: Universal wheels (13) are installed at the four corners of the bottom side of the support seat (1), and a plurality of plastic strips (14) are fixedly connected to the lower sides of both ends of the driving compartment (12).

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