Plastic spraying equipment capable of recycling molding powder

Abstract

A plurality of lifting grooves are symmetrically formed in the two sides of a plastic spraying bin, baffles are arranged on the portions, located on the outer sides of the lifting grooves, of the plastic spraying bin, an extension bin is arranged in the middle of the baffles, a pipe passing hole is formed in the upper portion of the extension bin, and a dust suction opening is formed in the lower portion of the outer surface of the extension bin. The plastic spraying device is reasonable in structure, large-range plastic spraying can be carried out on the two side faces of a workpiece, the plastic spraying effect is greatly improved, turning over is not needed, the labor intensity of workers is reduced, the labor intensity of the workers is reduced, the labor intensity of the workers is reduced, and the labor intensity of the workers is reduced. And meanwhile, baffles are arranged at the positions, located at the lifting grooves, of the plastic spraying bin, a dust suction opening is formed in the bottom, at the outer ends of the baffles, of the extension bin, and redundant plastic powder during opposite spraying can be sucked out through the dust suction opening formed in the bottom of the extension bin, so that pollution to the workshop environment is reduced, and recycling of the plastic powder is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic spraying equipment, in particular to plastic spraying equipment capable of recycling plastic powder. Background Art

[0002] Plastic spraying is a surface treatment method in which plastic powder is sprayed on parts. Compared with ordinary spray painting surface treatment, the advantages of this technology are reflected in advanced technology, energy saving and high efficiency, safety and reliability, and bright colors. Therefore, it is often used in light industry and home decoration. Its working principle is to charge plastic powder through high-voltage electrostatic equipment, and spray the paint on the surface of the workpiece under the action of the electric field. The powder will be evenly adsorbed on the surface of the workpiece to form a powdery coating; and the powdery coating will be leveled and solidified after high-temperature baking, and the plastic particles will melt into a dense final protective coating with different effects; firmly attached to the surface of the workpiece.

[0003] In the existing plastic spraying equipment, the workpiece is transported by a conveyor belt during the plastic spraying process, and the upper surface is sprayed with plastic. After the plastic spraying is completed, the workpiece needs to be turned over and sprayed again, which has low efficiency. At the same time, when the current plastic spraying equipment is spraying, plastic powder is easy to overflow from the outside of the equipment, causing pollution to the workshop environment. Therefore, an improved technology is urgently needed to solve the above problems existing in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a spraying device with recyclable plastic powder. The nozzle can be lifted and lowered by a lifting rod, and a large range of plastic spraying can be performed on both sides of the workpiece. The spraying effect is greatly improved, and there is no need to turn over, which improves the spraying efficiency. At the same time, the spraying bin is located at the lifting groove and a baffle is provided. The bottom of the extension bin at the outer end of the baffle is provided with a dust extraction port. The dust extraction port is provided at the bottom of the extension bin, and excess plastic powder during spraying can be extracted, thereby reducing pollution to the workshop environment and realizing the recovery of plastic powder, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spraying device capable of recycling plastic powder, comprising a spraying bin, a lifting mechanism and a spraying head assembly;

[0006] The two ends of the plastic spraying bin are open, and a number of lifting grooves are symmetrically provided on both sides of the plastic spraying bin, and linear guide rails are provided on the inner walls of both sides of the plastic spraying bin and on both sides of the lifting grooves, and a groove is provided on the outer surface of the plastic spraying bin and on one side of the upper part of the lifting groove, and a through hole is provided between the groove and the corresponding lifting groove, and a servo motor is provided on the outer surface of the plastic spraying bin and at the groove, and an active toothed belt wheel is provided on the output shaft of the servo motor, and the plastic spraying bin is provided with a baffle plate on the outer side of each lifting groove, and an extension bin is provided in the middle of the baffle plate, and a pipe passage hole is provided on the upper part of the extension bin, and a dust extraction port is provided at the lower part of the outer surface of the extension bin;

[0007] The lifting mechanism comprises an upper main shaft, a lower main shaft, a linkage toothed belt wheel, and a lifting rod, the upper main shaft and the lower main shaft are respectively arranged at the upper and lower parts of the corresponding lifting slots, the upper main shaft and the lower main shaft are both provided with a linkage toothed belt wheel, the linkage toothed belt wheels of the upper main shaft and the lower main shaft correspond to each other one by one and are connected through a connecting toothed belt, sliders are provided at both ends of the lifting rod, the sliders cooperate with the corresponding linear guide rails, the lifting rod is provided with a connecting rod, the connecting rod corresponds to the connecting toothed belt one by one and is connected to the corresponding connecting toothed belt through a connecting piece, one end of the upper main shaft passes through a through hole and is located in the groove, the upper main shaft is located at one end of the groove and is provided with a driven toothed belt wheel, the driven toothed belt wheel is connected to the driving toothed belt wheel through a transmission toothed belt, and a plurality of clamps are provided on the upper surface of the lifting rod;

[0008] The spray head assembly includes a spray head and a multi-way connecting pipe. There are several spray heads, and the spray heads are connected to the lifting rod through a clamp. The spray heads are all connected to the multi-way connecting pipe, and an interface is provided in the middle position of the multi-way connecting pipe.

[0009] Preferably, the utility model provides a spraying device capable of recycling plastic powder, wherein both ends of the upper main shaft and the lower main shaft are matched with bearing seats, and the bearing seats are arranged on the inner wall of the lifting groove.

[0010] Preferably, the utility model provides a spraying device capable of recycling plastic powder, wherein the upper main shaft comprises a first shaft, a second shaft and a coupling, the first shaft and the second shaft are connected by the coupling, and the driven toothed pulley is installed on an end of the first shaft away from the second shaft.

[0011] Preferably, the utility model provides a plastic spraying device capable of recycling plastic powder, wherein connecting plates are further provided on both sides of the lifting groove, and both sides of the baffle are connected to the connecting plates by bolts.

[0012] Preferably, the utility model provides a spraying device capable of recycling plastic powder, wherein a hanging rail is provided at the top of the interior of the spraying bin.

[0013] Preferably, the utility model provides a spraying device capable of recycling plastic powder, wherein fixing plates are arranged on both sides of the bottom of the spraying bin, and a plurality of reinforcing plates are arranged between the fixing plates and the spraying bin.

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

[0015] Lifting grooves are arranged on both sides of the plastic spraying bin, and connecting toothed belts are arranged at the lifting grooves through the upper main shaft and the lower main shaft. The lifting rod is connected to the connecting toothed belts, thereby driving the nozzle to perform lifting movement. Plastic spraying can be performed on a large range on both sides of the workpiece, and the plastic spraying effect is greatly improved, and there is no need to turn over, thereby improving the plastic spraying efficiency. At the same time, the plastic spraying bin is provided with a baffle at the lifting groove, and an extension bin is arranged at the outer end of the baffle. A dust extraction port is arranged at the bottom of the extension bin. By arranging the extension bin, the activity space of the hose connected to the interface can be increased to reduce friction. At the same time, the dust extraction port is arranged at the bottom of the extension bin, so that excess plastic powder during spraying can be extracted, thereby reducing pollution to the workshop environment and realizing the recovery of plastic powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a side view of the structure of the utility model;

[0017] Figure 2 For attachment Figure 1 The enlarged structural diagram at the mark A in the middle;

[0018] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0019] Figure 4 For attachment Figure 3 The enlarged structural diagram at the mark B in the middle;

[0020] Figure 5 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the upper spindle structure.

[0022] In the figure: plastic spraying bin 1, lifting groove 2, linear guide 3, groove 4, servo motor 5, active toothed belt pulley 6, baffle 7, extension bin 8, pipe hole 9, dust extraction port 10, upper spindle 11, lower spindle 12, linkage toothed belt pulley 13, lifting rod 14, connecting toothed belt 15, slider 16, connecting rod 17, connecting piece 18, driven toothed belt pulley 19, transmission toothed belt 20, clamp 21, nozzle 22, multi-way connecting pipe 23, interface 24, bearing seat 25, connecting plate 26, hanging rail 27, fixing plate 28, reinforcing plate 29, first shaft rod 1101, second shaft rod 1102, coupling 1103. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model and the accompanying drawings to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model;

[0024] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] See also Figure 1-5 , the utility model provides a technical solution: a spraying device capable of recycling plastic powder, comprising a spraying bin 1, a lifting mechanism and a spraying head assembly;

[0026] The two ends of the plastic spraying bin 1 are open, and a hanging rail 27 is arranged at the top of the interior of the plastic spraying bin 1 to realize the lifting and movement of the workpiece. A plurality of lifting grooves 2 are symmetrically opened on both sides of the plastic spraying bin 1, and linear guide rails 3 are arranged on the inner walls of both sides of the plastic spraying bin 1 and on both sides of the lifting grooves 2. A groove 4 is opened on the outer surface of the plastic spraying bin 1 and on one side of the upper part of the lifting groove 2, and a through hole is opened between the groove 4 and the corresponding lifting groove 2. A servo motor 5 is arranged on the outer surface of the plastic spraying bin 1 and at the groove 4, and the output shaft of the servo motor 5 is provided with an active toothed belt wheel 6, and the plastic spraying bin 1 is provided with a baffle 7 on the outside of each lifting groove 2 , connecting plates 26 are also provided on both sides of the lifting groove 2, and both sides of the baffle 7 are connected to the connecting plates 26 by bolts to realize the installation and removal of the baffle 7, and an extension bin 8 is provided in the middle position of the baffle 7, and a pipe hole 9 is opened on the upper part of the extension bin 8, and a dust extraction port 10 is provided on the lower part of the outer surface of the extension bin 8. Fixed plates 28 are provided on both sides of the bottom of the spray bin 1, and a plurality of reinforcing plates 29 are further provided between the fixed plates 28 and the spray bin 1. The fixed plates 28 are used to realize the overall installation and fixation, and the reinforcing plates 29 are welded between the fixed plates 28 and the spray bin 1 to ensure the overall stability and structural strength;

[0027] The lifting mechanism includes an upper spindle 11, a lower spindle 12, a linkage toothed belt pulley 13, and a lifting rod 14. The upper spindle 11 and the lower spindle 12 are respectively arranged at the upper and lower parts of the corresponding lifting groove 2. Both ends of the upper spindle 11 and the lower spindle 12 are matched with the bearing seat 25. The bearing seat 25 is arranged on the inner wall of the lifting groove 2. The bearing seat 25 is used to ensure the smoothness of the upper spindle 11 and the lower spindle 12 when rotating. The upper spindle 11 and the lower spindle 12 are both provided with a linkage toothed belt pulley 13. The linkage toothed belt pulley 13 of the upper spindle 11 and the lower spindle 12 is One corresponds to the other and is connected through a connecting toothed belt 15. Slide blocks 16 are provided at both ends of the lifting rod 14. The slide blocks 16 cooperate with the corresponding linear guide rails 3. The lifting rod 14 is provided with a connecting rod 17. The connecting rod 17 corresponds to the connecting toothed belt 15 one by one and is connected to the corresponding connecting toothed belt 15 through a connecting piece 18. One end of the upper spindle 11 passes through the through hole and is located in the groove 4. One end of the upper spindle 11 located inside the groove 4 is provided with a driven toothed belt pulley 19. The driven toothed belt pulley 19 is connected to the driving toothed belt pulley 6 through a transmission toothed belt 20. A plurality of clamps 21 are provided on the upper surface of the lifting rod 14.

[0028] The spray head assembly includes a spray head 22 and a multi-way connecting pipe 23. There are several spray heads 22. The spray heads 22 are connected to the lifting rod 14 through a clamp 21. The spray heads 22 are all connected to the multi-way connecting pipe 23. An interface 24 is set in the middle position of the multi-way connecting pipe 23.

[0029] like Figure 6 As shown, the upper main shaft 11 includes a first shaft rod 1101, a second shaft rod 1102 and a coupling 1103. The first shaft rod 1101 and the second shaft rod 1102 are connected by the coupling 1103. The driven gear pulley 19 is installed on the end of the first shaft rod 1101 away from the second shaft rod 1102. The upper main shaft 11 adopts a segmented splicing structure to ensure that during installation, the first shaft rod 1101 is first passed through the through hole at the groove 4, and then connected to the second main shaft rod 1102 through the connecting shaft 1103, thereby realizing the installation of the upper main shaft 11.

[0030] Installation method and use principle: install multiple sets of upper spindles 11 and lower spindles 12 in the corresponding lifting grooves 2, and place the driven toothed belt wheel 19 in the groove 4 and install it on the end of the first shaft 1101 of the upper spindle 11. At the same time, connect the connecting toothed belt 15 with the corresponding linkage toothed belt wheel 13, install the servo motor 5 on the outer wall of the spraying bin 1, and connect the transmission toothed belt 20 with the driving toothed belt wheel 6 on the output shaft of the servo motor 5 and the driven toothed belt wheel 19 at the end of the upper spindle 11. Then, the two ends of the lifting rod 14 are matched with the linear guide 3 through the slider 16, and the lifting rod 14 is connected to the corresponding connecting toothed belt 15 through the connecting rod 17 and the connecting piece 18. At this time, the servo motor 5 drives the upper spindle 11 to rotate, thereby driving the rotation of the connecting toothed belt 15, and then driving the lifting rod 14 to rise and fall. Then install the nozzle 22 on each clamp 21 on the upper surface of the lifting rod 14, and then connect each nozzle 22 on the same lifting rod 14 through a multi-way connecting pipe 23, and finally use a high-pressure hose to connect the interface 24 of the multi-way connecting pipe 23, and the high-pressure hose passes through the pipe hole 9 of the baffle 7, and then connect the two sides of the baffle 7 to the connecting plates 26 on both sides of the lifting slot 2 through bolts to complete the installation. Before use, the exhaust duct is connected to each dust extraction port 10. During use, the workpiece is moved by the hanger and the hanging rail 27 and enters from one end of the spraying bin 1. When passing through the lifting mechanism and the spraying head, the lifting rod 14 is driven by the servo motor 5 to lift and lower in the lifting slot 2, thereby driving the nozzle 22 to lift and lower, so that the surfaces on both sides of the workpiece are sprayed. During the spraying process, excess plastic powder is extracted as much as possible through the dust extraction port 10. The utility model has a reasonable structure. Lifting grooves 2 are arranged on both sides of the plastic spraying bin 1. Connecting toothed belts 15 are arranged at the lifting grooves 2 through the upper main shaft 11 and the lower main shaft 12. The lifting rod 14 is connected to the connecting toothed belt 15, thereby driving the nozzle 22 to perform lifting movement. Plastic spraying can be performed on both sides of the workpiece in a large range, the plastic spraying effect is greatly improved, and there is no need to turn over, thereby improving the plastic spraying efficiency; at the same time, the plastic spraying bin 1 is provided with a baffle 7 at the lifting groove 2, an extension bin 8 is arranged at the outer end of the baffle 7, and a dust extraction port 10 is arranged at the bottom of the extension bin 8. By arranging the extension bin 8, the activity space of the hose connected to the interface 24 can be increased, and friction can be reduced. At the same time, the dust extraction port 10 is arranged at the bottom of the extension bin 8, so that excess plastic powder during spraying can be extracted, the pollution to the workshop environment can be reduced, and the plastic powder can be recovered.

[0031] The details not described in the present invention are all known technologies to those skilled in the art.

[0032] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A spraying device capable of recycling plastic powder, characterized in that: It comprises a plastic spraying bin (1), a lifting mechanism and a plastic spraying head assembly; The two ends of the plastic spraying bin (1) are open, and a plurality of lifting grooves (2) are symmetrically provided on both sides of the plastic spraying bin (1). Linear guide rails (3) are provided on the inner walls of both sides of the plastic spraying bin (1) and on both sides of the lifting grooves (2). A groove (4) is provided on the outer surface of the plastic spraying bin (1) and on one side of the upper part of the lifting groove (2). A through hole is provided between the groove (4) and the corresponding lifting groove (2). A servo motor (5) is provided on the outer surface of the plastic spraying bin (1) and at the groove (4). The output shaft of the servo motor (5) is provided with an active toothed pulley (6). The plastic spraying bin (1) is provided with a baffle (7) on the outer side of each lifting groove (2), and an extension bin (8) is provided in the middle of the baffle (7). A pipe passage hole (9) is provided on the upper part of the extension bin (8), and a dust extraction port (10) is provided on the lower part of the outer surface of the extension bin (8); The lifting mechanism comprises an upper spindle (11), a lower spindle (12), a linkage toothed belt wheel (13), and a lifting rod (14). The upper spindle (11) and the lower spindle (12) are respectively arranged at the upper and lower parts of the corresponding lifting slot (2). The upper spindle (11) and the lower spindle (12) are both provided with a linkage toothed belt wheel (13). The linkage toothed belt wheels (13) of the upper spindle (11) and the lower spindle (12) correspond to each other one by one and are connected through a connecting toothed belt (15). Slide blocks (16) are arranged at both ends of the lifting rod (14). The slide blocks (16) are connected to the corresponding The lifting rod (14) is matched with a linear guide rail (3), the lifting rod (14) is provided with a connecting rod (17), the connecting rod (17) corresponds to the connecting toothed belt (15) one by one and is connected to the corresponding connecting toothed belt (15) through a connecting piece (18), one end of the upper main shaft (11) passes through the through hole and is located in the groove (4), the upper main shaft (11) is located in the groove (4) and is provided with a driven toothed belt wheel (19) at one end, the driven toothed belt wheel (19) is connected to the driving toothed belt wheel (6) through a transmission toothed belt (20), and a plurality of clamping parts (21) are provided on the upper surface of the lifting rod (14); The spray head assembly comprises a spray head (22) and a multi-way connecting pipe (23), wherein there are a plurality of spray heads (22), the spray heads (22) are connected to the lifting rod (14) via a clamp (21), the spray heads (22) are all connected to the multi-way connecting pipe (23), and an interface (24) is provided at the middle position of the multi-way connecting pipe (23).

2. The spraying equipment for recycling plastic powder according to claim 1, characterized in that: Both ends of the upper main shaft (11) and the lower main shaft (12) are matched with a bearing seat (25), and the bearing seat (25) is arranged on the inner wall of the lifting groove (2).

3. The spraying equipment for recycling plastic powder according to claim 1, characterized in that: The upper main shaft (11) comprises a first shaft (1101), a second shaft (1102) and a coupling (1103); the first shaft (1101) and the second shaft (1102) are connected via the coupling (1103); and the driven toothed pulley (19) is installed at one end of the first shaft (1101) away from the second shaft (1102).

4. The spraying equipment for recycling plastic powder according to claim 1, characterized in that: Connecting plates (26) are also provided on both sides of the lifting groove (2), and both sides of the baffle (7) are connected to the connecting plates (26) by bolts.

5. The spraying equipment for recycling plastic powder according to claim 1, characterized in that: A hanging rail (27) is arranged at the top end of the interior of the plastic spraying bin (1).

6. The spraying equipment for recycling plastic powder according to claim 1, characterized in that: Fixed plates (28) are arranged on both sides of the bottom of the plastic spraying bin (1), and a plurality of reinforcing plates (29) are arranged between the fixed plates (28) and the plastic spraying bin (1).

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