Drying and sieving device for thermosetting powder coating

Abstract

The utility model relates to the technical field of drying and screening devices, and discloses a thermosetting powder coating drying and screening device which comprises a fixed bottom plate, and an inverted-U-shaped supporting frame is fixedly installed at the top of the fixed bottom plate. By arranging the supporting disc, the scattering and drying cylinder and a heating resistance wire in a heating layer, uniform heating and primary drying of thermosetting powder coating are achieved, coating aggregates are effectively scattered in cooperation with a rotating rod driven by a first motor and scattering rods evenly fixed at equal intervals, the contact area between coating particles and hot air is increased, and the coating particles are evenly dispersed. Meanwhile, the dried coating is guided into the screening box through the discharging pipe, uniform distribution of coating particles is promoted through the vibration effect of the vibration motor, the blocking phenomenon in the screening process is avoided, extra drying heat is provided for the coating in cooperation with a heating plate at the top of the inner wall of the screening box and a heating resistance wire in the screening box, and the drying effect is improved. The effects of improving the drying efficiency and ensuring the granularity uniformity of the product are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying and sieving device technical field, concretely is a kind of drying and sieving device of thermosetting powder coating. BACKGROUND

[0002] Thermosetting powder coating refers to the thermosetting resin as film-forming material, add the curing agent for crosslinking reaction, can form insoluble and infusible texture hard coating after heating The coating does not soften like thermoplastic coating at higher temperature, but only decomposition. The resin used in thermosetting powder coating is pre-polymer with lower polymerization degree, and the molecular weight is lower, so the leveling property of coating is better, and it has good decorative property. Low molecular weight pre-polymer can form network crosslinking macromolecule after curing, so that the coating has excellent corrosion resistance and mechanical properties. Thermosetting powder coating is widely used in the surface coating of metal products such as steel, aluminum alloy, magnesium alloy, such as furniture products of table, chair, cabinet, door and window; surface coating of automobile parts, such as automobile parts of hub, frame, exhaust pipe; and surface coating of building materials, such as aluminum alloy doors and windows, steel structure fireproof plate and other building materials.

[0003] In the production and processing process of thermosetting powder coating, drying and sieving are two important links. The traditional drying method often uses natural air drying or simple heating equipment, which not only has low efficiency, but also can not guarantee the uniform drying of the coating, thereby affecting the performance and application effect of the subsequent coating. At the same time, in the sieving process, due to the different sizes of the coating particles, and easy to accumulate on the filter plate, causing the filter plate to be blocked, which seriously affects the production efficiency, therefore, a kind of drying and sieving device for thermosetting powder coating is needed. SUMMARY

[0004] The utility model aims at providing a kind of drying and sieving device for thermosetting powder coating, solve the technical problems that traditional drying method cannot ensure the uniformity and efficiency of thermosetting powder coating in drying process and in the sieving process of powder coating, filter plate is easy to be blocked due to coating accumulation, affect production efficiency, reach the purpose of improving drying efficiency, uniformity and preventing sieving blockage, improve production efficiency.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A kind of thermosetting powder coating's dry screening device, including fixed base plate, the top of the fixed base plate is fixedly installed with inverted U type support frame, the outer wall of the inverted U type support frame is fixedly installed with control box, the top of the fixed base plate is fixedly installed with support frame, and support frame is arranged in the inside of inverted U type support frame, the top of the support frame is fixedly installed with high support leg, and there are two groups, the top of the support frame is fixedly installed with low support leg, and low support leg is arranged at the side of high support leg, the top of high support leg and low support leg is fixedly installed with buffer spring ring;Dry screening assembly, the dry screening assembly is arranged above fixed base plate and inverted U type support frame;The dry screening assembly includes: scattering screening site, the scattering screening site is arranged above inverted U type support frame;Cleaning anti-blocking site, the cleaning anti-blocking site is arranged above fixed base plate, and cleaning anti-blocking site is arranged below scattering screening site.

[0006] Preferably, the scattering screening site includes: support disc, the support disc is fixedly installed at the top of inverted U type support frame;The inside of the support disc is fixedly installed with scattering drying cylinder, the outer wall of the scattering drying cylinder is fixedly installed with heating layer, and the inside of the heating layer is provided with heating resistance wire, the top of the scattering drying cylinder is communicated with feed pipe.

[0007] Preferably, the top of the scattering drying cylinder is provided with motor one through motor cover, and the motor cover is fixedly installed at the top of the scattering drying cylinder, the output end of the motor one is provided with rotating rod through shaft coupling, and the rotating rod extends into the inside of the scattering drying cylinder, the outer wall of the rotating rod is fixedly installed with scattering rod at equal intervals.

[0008] Preferably, the bottom of the scattering drying cylinder is communicated with discharge pipe, the bottom of the discharge pipe is communicated with screening box, and the screening box is fixedly installed at the top of the buffer spring ring through connecting plate, the outer wall of the screening box is fixedly installed with vibration motor through connecting seat, and there are two groups, respectively located at the outer wall of both sides of the screening box.

[0009] Preferably, the inner wall top of the screening box is fixedly installed with heating plate, the inside of the heating plate is provided with heating cavity, the inside of the heating cavity is fixedly installed with heating resistance wire, the inner wall bottom of the screening box is provided with mounting hole, and the inner wall of the mounting hole is fixedly installed with filter plate, the lower portion of the filter plate is provided with guide hopper, and the guide hopper is fixedly installed in the inner wall of the support frame through connecting frame, the lower portion of the guide hopper is provided with collection box, and the collection box is arranged in the inside of the support frame.

[0010] Preferably, the cleaning anti-blocking part comprises: support long plates fixedly installed on the inner wall of the mounting hole and extending to below the screening box, and there are two groups; a guide strip is fixedly installed on the inner wall of one side of the support long plate, a moving seat is slidably connected to the outer wall of the guide strip, and a moving hole is formed in the outer wall of the other side of the support long plate and is matched with the guide strip.

[0011] Preferably, a sliding block is slidably connected to the inside of the moving hole, and a cleaning rotating wheel is arranged between the sliding block and the moving seat through a connecting shaft.

[0012] Preferably, a small motor is fixedly installed on the outer wall of the support long plate through a support frame, an adjusting screw rod is arranged at the output end of the small motor, the adjusting screw rod penetrates through the connecting block and extends to the other end of the moving hole, and a limiting plate is arranged at the other end of the adjusting screw rod and fixedly installed on the outer wall of the support long plate.

[0013] The utility model provides a kind of drying screening device of thermosetting powder coating.It has the following beneficial effects:

[0014] (1), the utility model discloses a support disc, scattering drying cylinder, heating resistance wire in heating layer are provided, realize the uniform heating and preliminary drying of thermosetting powder coating, cooperate with the rotating rod of motor one drive and the equidistance uniform fixed scattering rod, effectively scatter paint agglomerates, increase the contact area of paint particles and hot air, while the paint after drying is guided into screening box by discharge pipe, and the vibration effect of vibration motor promotes the uniform distribution of paint particles, avoids the jamming phenomenon in screening process, cooperates with the heating plate of the top of screening box inner wall and its inside heating resistance wire, provides additional drying heat for paint, ensures the complete drying of paint, reaches the effect of improving drying efficiency and guaranteeing product granularity uniformity.

[0015] (2), the utility model discloses a support long plate, guide strip, moving seat and cleaning rotating wheel are provided, when filter plate is jammed, small motor drives adjusting screw rod to rotate, drives connecting block and cleaning rotating wheel to move along guide strip, effectively cleans the blockage, restores screening efficiency, avoids the tedious and inconvenient of manual cleaning, reaches the effect of improving production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the structure section view of the utility model a kind of drying screening device of thermosetting powder coating;

[0018] Figure 3The utility model discloses a kind of dry screening devices of thermosetting powder coating, which can realize the uniform drying of thermosetting powder coating and the uniform screening of thermosetting powder coating.

[0019] Figure 4 The utility model discloses a kind of dry screening devices of thermosetting powder coating, which can realize the uniform drying of thermosetting powder coating and the uniform screening of thermosetting powder coating.

[0020] In the figure: 1 fixed bottom plate, 2 inverted U-shaped support frame, 3 control box, 4 support frame, 41 high support leg, 42 low support leg, 43 buffer spring ring, 5 dry screening assembly, 51 scattering screening part, 511 support disc, 512 scattering drying cylinder, 513 heating layer, 514 feeding pipe, 515 motor one, 516 rotating rod, 517 scattering rod, 518 discharge pipe, 519 screening box, 5110 vibration motor, 5111 heating plate, 5112 heating cavity, 5113 heating resistance wire, 5114 filter plate, 5115 guide hopper, 5116 collection box, 52 cleaning anti-blocking part, 521 support long plate, 522 guide strip, 523 moving seat, 524 moving hole, 525 cleaning runner, 526 connecting block, 527 small motor, 528 adjusting screw, 529 limiting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Examples of the described embodiments are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model. Embodiment one:

[0023] Based on the problems that the existing traditional drying method cannot ensure the uniformity and efficiency of thermosetting powder coating in the drying process, and the filter plate is easy to be blocked due to coating accumulation in the screening process of powder coating, affecting production efficiency, the preferred embodiment of the dry screening device of thermosetting powder coating provided by the utility model has the advantages that Figures 1-4The device is shown: a drying and sieving device for thermosetting powder coating, comprising a fixed base plate 1, a top of the fixed base plate 1 is fixedly provided with an inverted U-shaped support frame 2, an outer wall of the inverted U-shaped support frame 2 is fixedly provided with a control box 3, a top of the fixed base plate 1 is fixedly provided with a support frame 4, and the support frame 4 is arranged in the interior of the inverted U-shaped support frame 2, a top of the support frame 4 is fixedly provided with high support legs 41, and there are two groups in total, a top of the support frame 4 is fixedly provided with low support legs 42, and the low support legs 42 are arranged on one side of the high support legs 41, and a top of the high support legs 41 and the low support legs 42 is fixedly provided with a buffer spring ring 43; a drying and sieving assembly 5, the drying and sieving assembly 5 is arranged above the fixed base plate 1 and the inverted U-shaped support frame 2; the drying and sieving assembly 5 comprises: a scattering and sieving part 51, the scattering and sieving part 51 is arranged above the inverted U-shaped support frame 2; a cleaning and anti-blocking part 52, the cleaning and anti-blocking part 52 is arranged above the fixed base plate 1, and the cleaning and anti-blocking part 52 is arranged below the scattering and sieving part 51.

[0024] The scattering and sieving part 51 comprises: a support disc 511, the support disc 511 is fixedly installed at the top of the inverted U-shaped support frame 2; a scattering and drying cylinder 512 is fixedly installed in the interior of the support disc 511, a heating layer 513 is fixedly installed on the outer wall of the scattering and drying cylinder 512, and a heating resistance wire is arranged in the interior of the heating layer 513, and a feeding pipe 514 is communicatively arranged at the top of the scattering and drying cylinder 512.

[0025] A motor one 515 is arranged at the top of the scattering and drying cylinder 512 through a motor cover, and the motor cover is fixedly installed at the top of the scattering and drying cylinder 512, an output end of the motor one 515 is provided with a rotating rod 516 through a shaft coupling, and the rotating rod 516 extends into the interior of the scattering and drying cylinder 512, and the rotating rod 516 is fixedly installed with scattering rods 517 at equal intervals and uniformly on the outer wall.

[0026] A discharge pipe 518 is communicatively arranged at the bottom of the scattering and drying cylinder 512, the discharge pipe 518 is communicatively arranged with a sieving box 519 at the bottom, and the sieving box 519 is fixedly installed at the top of the buffer spring ring 43 through a connecting plate, a vibration motor 5110 is fixedly installed on the outer wall of the sieving box 519 through a connecting seat, and there are two groups in total, and are respectively arranged on the two side outer walls of the sieving box 519.

[0027] The inner wall top of the screening box 519 is fixedly installed with a heating plate 5111, the inside of the heating plate 5111 is provided with a heating cavity 5112, the inside of the heating cavity 5112 is fixedly installed with a heating resistance wire 5113, the inner wall bottom of the screening box 519 is provided with a mounting hole, and the inner wall of the mounting hole is fixedly installed with a filter plate 5114, the lower portion of the filter plate 5114 is provided with a guide hopper 5115, and the guide hopper 5115 is fixedly installed on the inner wall of the support frame 4 through a connecting frame, the lower portion of the guide hopper 5115 is provided with a collection box 5116, and the collection box 5116 is arranged in the inside of the support frame 4.

[0028] Further, the present embodiment is provided with the support disc 511, the dispersing drying cylinder 512, the heating resistance wire in the heating layer 513, which realizes uniform heating and preliminary drying of the thermosetting powder coating, cooperates with the rotating rod 516 driven by the motor one 515 and the dispersing rod 517 fixed at equal intervals, effectively disperses the coating agglomerates, increases the contact area of the coating particles and hot air, and at the same time, the exhaust pipe 518 guides the dried coating into the screening box 519, and the vibration of the vibration motor 5110 promotes the uniform distribution of the coating particles, avoids the blocking phenomenon in the screening process, cooperates with the heating plate 5111 on the inner wall top of the screening box 519 and the heating resistance wire 5113 inside the heating plate 5111, provides additional drying heat for the coating, and ensures the complete drying of the coating. Embodiment two:

[0029] Please refer to Figures 1-4 On the basis of embodiment one, further obtained is that the cleaning anti-blocking part 52 comprises: support long plates 521 fixedly installed on the inner wall of the mounting hole and extending to the lower portion of the screening box 519, and there are two groups in total; the inner wall of one side of the support long plate 521 is fixedly installed with a guide strip 522, the outer wall of the guide strip 522 is slidably connected with a moving seat 523, the outer wall of the other side of the support long plate 521 is provided with a moving hole 524, and the moving hole 524 is matched with the guide strip 522.

[0030] The inside of the moving hole 524 is slidably connected with a sliding block, and the sliding block and the moving seat 523 are connected through a connecting shaft with a cleaning rotating wheel 525, the outer wall of the sliding block is fixedly installed with a connecting block 526, and the connecting block 526 is slidably connected with the moving hole 524.

[0031] The outer wall of the support long plate 521 is fixedly installed with a small motor 527 through a support frame, the output end of the small motor 527 is provided with an adjusting lead screw 528, the adjusting lead screw 528 is movably penetrated through the connecting block 526 and extends to the other end of the moving hole 524, the other end of the adjusting lead screw 528 is provided with a limiting plate 529, and the limiting plate 529 is fixedly installed on the outer wall of the support long plate 521.

[0032] Further, the embodiment is provided with the support long plate 521, the guide strip 522, the moving seat 523 and the cleaning rotating wheel 525, when the filter plate 5114 is blocked, the small motor 527 drives the adjusting screw rod 528 to rotate, drives the connecting block 526 and the cleaning rotating wheel 525 to move along the guide strip 522, effectively cleans the blockage, restores the sieving efficiency, avoids the cumbersome and inconvenience of manual cleaning.

[0033] In use, first, the thermosetting powder coating enters the scattering drying cylinder 512 through the feeding pipe 514, the inside of the cylinder is provided with a heating layer 513, the heating resistance wire works inside the heating layer 513, and the coating is heated and dried. At the same time, the motor 515 drives the rotating rod 516 and the scattering rod 517 to rotate, and the coating is scattered to improve the drying efficiency. The dried coating enters the sieving box 519 through the discharge pipe 518.

[0034] Further, the inner wall top of the sieving box 519 is provided with a heating plate 5111, the heating cavity 5112 and the heating resistance wire 5113 inside the heating plate further dry the coating. The coating is sieved through the filter plate 5114, the large-particle coating is filtered out, and the small-particle coating falls into the collecting box 5116 through the guide hopper 5115. The vibration motor 5110 is used to generate vibration to help the coating pass through the filter plate 5114 better and prevent blockage.

[0035] Further, when the coating on the filter plate 5114 accumulates to a certain degree and may cause blockage, the small motor 527 drives the adjusting screw rod 528 to rotate, the adjusting screw rod 528 is threadedly connected with the connecting block 526, thereby driving the moving seat 523 and the cleaning rotating wheel 525 to move along the guide strip 522. The cleaning rotating wheel 525 is in contact with the filter plate 5114, and the coating on the filter plate is cleaned by rotating to prevent blockage.

[0036] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A drying and sieving device for thermosetting powder coatings, comprising a fixed base plate (1), characterized in that: The top of the fixed base plate (1) is fixedly installed with an inverted U-shaped support frame (2), and the outer wall of the inverted U-shaped support frame (2) is fixedly installed with a control box (3). The top of the fixed base plate (1) is fixedly installed with a support frame (4), and the support frame (4) is located inside the inverted U-shaped support frame (2). The top of the support frame (4) is fixedly installed with a high support leg (41), and there are two sets of them. The top of the support frame (4) is fixedly installed with a low support leg (42), and the low support leg (42) is located on one side of the high support leg (41). The top of the high support leg (41) and the low support leg (42) are fixedly installed with a buffer spring ring (43). Drying and sieving assembly (5), which is located above the fixed base plate (1) and the inverted U-shaped support frame (2); The drying and sieving assembly (5) includes: The dispersing and sieving section (51) is located above the inverted U-shaped support frame (2); Cleaning and anti-blocking part (52) is set above the fixed base plate (1) and below the dispersing and sieving part (51).

2. The drying and sieving device for thermosetting powder coatings according to claim 1, characterized in that: The dispersing and sieving section (51) includes: A support disc (511) is fixedly installed on the top of the inverted U-shaped support frame (2); The support disc (511) has a dispersing drying cylinder (512) fixedly installed inside. The outer wall of the dispersing drying cylinder (512) has a heating layer (513) fixedly installed, and the heating layer (513) has a heating resistance wire inside. The top of the dispersing drying cylinder (512) is connected to a feed pipe (514).

3. The drying and sieving device for thermosetting powder coatings according to claim 2, characterized in that: The top of the dispersing drying cylinder (512) is equipped with a motor (515) through a motor cover, and the motor cover is fixedly installed on the top of the dispersing drying cylinder (512). The output end of the motor (515) is equipped with a rotating rod (516) through a coupling, and the rotating rod (516) extends into the interior of the dispersing drying cylinder (512). Dispersing rods (517) are fixedly installed at equal intervals on the outer wall of the rotating rod (516).

4. The drying and sieving device for thermosetting powder coatings according to claim 3, characterized in that: The bottom of the dispersing and drying cylinder (512) is connected to a discharge pipe (518), and the bottom of the discharge pipe (518) is connected to a sieve box (519). The sieve box (519) is fixedly installed on the top of the buffer spring ring (43) by a connecting plate. The outer wall of the sieve box (519) is fixedly installed with a vibration motor (5110) by a connecting seat. There are two sets of motors, which are located on the outer walls of the two sides of the sieve box (519).

5. The drying and sieving device for thermosetting powder coatings according to claim 4, characterized in that: A heating plate (5111) is fixedly installed on the top of the inner wall of the sieve box (519). A heating chamber (5112) is opened inside the heating plate (5111). A heating resistance wire (5113) is fixedly installed inside the heating chamber (5112). An installation hole is opened at the bottom of the inner wall of the sieve box (519). A filter plate (5114) is fixedly installed on the inner wall of the installation hole. A guide bucket (5115) is provided below the filter plate (5114). The guide bucket (5115) is fixedly installed on the inner wall of the support frame (4) through a connecting frame. A collection box (5116) is provided below the guide bucket (5115). The collection box (5116) is located inside the support frame (4).

6. The drying and sieving device for thermosetting powder coatings according to claim 1, characterized in that: The cleaning and anti-clogging parts (52) include: Supporting long plates (521) are fixedly installed on the inner wall of the mounting holes and extend to the bottom of the sieve box (519). There are two sets of these. A guide strip (522) is fixedly installed on one inner wall of the support plate (521), and a movable seat (523) is slidably connected to the outer wall of the guide strip (522). A movable hole (524) is opened on the other outer wall of the support plate (521), and the movable hole (524) is compatible with the guide strip (522).

7. The drying and sieving device for thermosetting powder coatings according to claim 6, characterized in that: The sliding hole (524) is slidably connected to a slider, and a cleaning wheel (525) is provided between the slider and the sliding seat (523) through a connecting shaft. A connecting block (526) is fixedly installed on the outer wall of the slider, and the connecting block (526) is slidably connected to the sliding hole (524).

8. The drying and sieving device for thermosetting powder coatings according to claim 7, characterized in that: A small motor (527) is fixedly installed on the outer wall of the support plate (521) by a support frame. An adjusting screw (528) is provided at the output end of the small motor (527), and the adjusting screw (528) moves through the connecting block (526) and extends to the other end of the moving hole (524). A limiting plate (529) is provided at the other end of the adjusting screw (528), and the limiting plate (529) is fixedly installed on the outer wall of the support plate (521).

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