Two-way painting canvas spraying protection device

Abstract

The utility model discloses a canvas bidirectional spraying protection device which comprises a machine shell, a feeding port and a discharging port are formed in the two sides of the outer wall of the machine shell respectively, a protection box is fixedly arranged in the machine shell, lifting plates are arranged at the upper end and the lower end of the outer wall of the protection box respectively, and a plurality of spraying heads are arranged on the two lifting plates respectively. First through grooves are formed in the upper end and the lower end of the protection box in a penetrating mode, second through grooves are formed in the two sides of the protection box, the multiple nozzles are communicated with hoses, a driving mechanism is arranged on the machine shell, two sealing mechanisms are arranged on the protection box, and an extraction mechanism is arranged on the machine shell. The heights of the two lifting plates and the multiple sprayers can be adjusted correspondingly, so that double-face paint spraying can be conveniently conducted on canvases with different thicknesses, harmful gas or particles generated in the paint spraying process can be prevented from leaking out of a first through groove through the arrangement of a sealing mechanism, and through the arrangement of an extraction mechanism, the paint spraying efficiency is improved. And finally, harmful gas or particles in the protection box can be pumped out.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil painting cloth spraying protection technical field, especially in kind of oil painting cloth two -way spraying protection device. BACKGROUND

[0002] Oil painting cloth is the cloth class for drawing oil painting on the particular cloth base material coating prevents oil, solvent, water and so on permeable base, in the production process of oil painting cloth, carries out spraying to it, can make it present very delicate, rich texture and level, has very good stereoscopic effect.

[0003] The existing oil painting cloth needs the protection frame in the protection device to protect the two sides of the oil painting cloth when spraying, not only can avoid that the paint sprayed by the spraying mechanism splashes outside the oil painting cloth, but also can prevent paint splashing, but the spraying mechanism produces harmful gas or particles in the process of spraying paint, if the human body directly contacts, the health of the operator will be affected. To solve the above problems, the following proposes a solution. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of oil painting cloth two -way spraying protection device to solve the problems raised in the above background technology.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A kind of oil painting cloth two -way spraying protection device, including casing, the inside of the casing is respectively provided with tensioning roller one, conveying roller one, conveying roller two and tensioning roller two from left to right, the outer wall of the casing is respectively provided with inlet and outlet, the inside of the casing is fixed with protection box, the upper and lower ends of the outer wall of the protection box are all provided with lifting plate, the lifting plate is all provided with a plurality of spray heads, the upper and lower ends of the protection box are all penetrated with through slot one, the two sides of the protection box are all provided with through slot two, a plurality of the spray head is all communicated with the soft tube of lifting plate, the casing is provided with the drive mechanism for driving two lifting plates to move, the protection box is provided with two sealing mechanisms for sealing through slot one, the casing is provided with the extraction mechanism for extracting harmful gas or particles in the protection box.

[0007] As preferred, the driving mechanism comprises a motor and a bearing seat fixed respectively at the top end of the shell, a rotating shaft is arranged between the motor and the bearing seat, two symmetrical worms are fixed on the rotating shaft, a worm wheel is engaged on one side of each of the two worms, a threaded rod one is fixed on each of the two worm wheels, a threaded rod two is fixed at the bottom end of each of the two threaded rod ones, lifting grooves are formed at the both ends of the inner wall of the shell, two lifting plates are arranged symmetrically and are in sliding connection with the two lifting grooves at the both ends, the two lifting plates are in threaded connection with the threaded rod one and the threaded rod two respectively, and the bottom end of each of the two threaded rod twos is in rotating connection with the bottom end inside the two lifting grooves.

[0008] As preferred, the rotation directions of the threaded rod one and the threaded rod two are opposite.

[0009] As preferred, the sealing mechanism comprises two symmetrical air cylinders one fixed respectively at the both sides of the outer wall of the protective box, two sliding grooves are formed in the inside of the protective box, the two sliding grooves are in communication with the through groove one and are in sliding connection with sliding blocks inside, the piston rods of the two air cylinders one penetrate through the outer wall of the protective box and are fixed with the two sliding blocks respectively, and sealing pads are fixed at the ends of the two sliding blocks away from the air cylinders one.

[0010] As preferred, the extraction mechanism comprises an air extraction pump, the air extraction pump is fixed at the top end of the shell and is in communication with an air extraction pipe, the air extraction pipe penetrates through the top end of the shell and the side of the protective box and is in communication with the inside of the protective box.

[0011] The driving mechanism can be used for adjusting the height of the two lifting plates and the plurality of spray heads, so that the double-sided paint spraying on the oil painting canvas with different thicknesses can be facilitated, the sealing mechanism can prevent the harmful gas or particles generated during the paint spraying from leaking out of the through groove one, and the extraction mechanism can extract the harmful gas or particles in the inside of the protective box. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a sectional view of an embodiment;

[0013] Figure 2 is Figure 1 an enlarged view of A of Fig.

[0014] Reference numerals in the attached diagram: 1. Machine casing; 11. Tensioning roller one; 12. Conveyor roller one; 13. Conveyor roller two; 14. Tensioning roller two; 15. Feed inlet; 16. Discharge outlet; 17. Protective box; 2. Lifting plate; 21. Nozzle; 22. Hose; 3. Through groove one; 31. Through groove two; 4. Drive mechanism; 41. Motor one; 42. Rotating shaft; 43. Worm gear; 44. Worm wheel; 45. Threaded rod one; 46. Threaded rod two; 47. Lifting groove; 5. Sealing mechanism; 51. Cylinder one; 52. Slide groove; 53. Slider; 54. Sealing gasket; 6. Extraction mechanism; 61. Air pump; 62. Air extraction pipe. Detailed Implementation

[0015] The following description is merely a preferred embodiment of this utility model, and the scope of protection is not limited to this embodiment. All technical solutions falling within the scope of this utility model's concept should be protected. Identical components are represented by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom" and "top," "inner" and "outer" refer to directions toward or away from the geometric center of a specific component.

[0016] like Figures 1 to 2 As shown, a bidirectional spray coating protection device for canvas includes a housing 1. Inside the housing 1, from left to right, there are existing tension roller 11, conveyor roller 12, conveyor roller 2 13, and tension roller 2 14. The outer walls of the housing 1 have inlet 15 and outlet 16 on both sides. By activating the existing unwinding mechanism, the canvas to be coated can be fed into the housing 1 through inlet 15, then pass through tension roller 11, conveyor roller 12, conveyor roller 2 13, and tension roller 2 14 in sequence, and then go to the next step through outlet 16.

[0017] A protective box 17 is fixed inside the casing 1. Lifting plates 2 are provided at both the upper and lower ends of the outer wall of the protective box 17. Several nozzles 21 are provided on each of the two lifting plates 2. Through slots 3 pass through both the upper and lower ends of the protective box 17. Through slots 31 are provided on both sides of the protective box 17. Flexible hoses 22 are connected to the nozzles 2. The flexible hoses 22 are connected to the existing paint pump and paint tank. A drive mechanism 4 is provided on the casing 1 to drive the two lifting plates 2 to move. By starting the existing paint pump, the paint in the paint tank can be passed through several flexible hoses 22 and into the nozzles 21, so that the canvas can be painted on both sides. By starting the drive mechanism 4, the two ends of the two lifting plates 2 can slide in the two lifting slots 47 respectively. When both lifting plates 2 move, the nozzles 21 and the flexible hoses 22 can move together. By adjusting the height of the nozzles 21, the canvas of different thicknesses can be painted on both sides.

[0018] The driving mechanism 4 comprises a motor 41 and a bearing seat fixed respectively at the top end of the shell 1, a rotating shaft 42 is arranged between the motor 41 and the bearing seat, two symmetrical worms 43 are fixed on the rotating shaft 42, one side of the two worms 43 is engaged with a worm gear 44, a threaded rod 45 is fixed on the two worm gears 44, a threaded rod 46 is fixed at the bottom end of the two threaded rods 45, two lifting grooves 47 are formed at the inner wall of the shell 1, the two lifting plates 2 are symmetrically arranged and are slidably connected with the two lifting grooves 47, the two lifting plates 2 are threadedly connected with the threaded rods 45 and the threaded rods 46, the bottom end of the two threaded rods 46 is rotatably connected with the bottom end of the two lifting grooves 47, and the rotation directions of the threaded rods 45 and the threaded rods 46 are opposite; the motor 41 is started to drive the rotating shaft 42 to rotate, the two worms 43 are driven to rotate when the rotating shaft 42 rotates, the two worm gears 44 are driven to rotate together through the rotation of the two worms 43, the two threaded rods 45 and the threaded rods 46 are driven to rotate respectively when the two worm gears 44 rotate, and the two lifting plates 2 are driven to approach or move away from each other when the two threaded rods 45 and the threaded rods 46 rotate because the rotation directions of the threaded rods 45 and the threaded rods 46 are opposite, the distance between the two lifting plates 2 can be adjusted, and the plurality of nozzles 21 of the two lifting plates 2 can spray paint on both sides of the oil painting canvas with different thicknesses.

[0019] The protective box 17 is provided with two sealing mechanisms 5 for sealing the through groove 3, the sealing mechanism 5 comprises two air cylinders 51 which are symmetrically arranged and fixed on the outer wall of the protective box 17, two sliding grooves 52 are formed in the interior of the protective box 17, the two sliding grooves 52 are communicated with the through groove 3 and are slidably connected with sliding blocks 53 in the interior, the piston rods of the two air cylinders 51 are arranged to penetrate the outer wall of the protective box 17 and are fixed with the two sliding blocks 53, and the ends of the two sliding blocks 53 away from the air cylinders 51 are fixed with sealing pads 54; the two air cylinders 51 are started to drive the two sliding blocks 53 to slide in the sliding grooves 52, the sealing pads 54 are moved to the hose 22 when the two sliding blocks 53 are moved to the hose 22, and the sealing pads 54 are abutted with the hose 22 to seal the through groove 3, so that the harmful gas or particles generated in the process of spraying paint can be prevented from leaking out of the through groove 3.

[0020] The shell 1 is provided with an extraction mechanism 6 for extracting the harmful gas or particles in the interior of the protective box 17, the extraction mechanism 6 comprises an air pump 61 which is fixed on the top end of the shell 1 and is communicated with an air extraction pipe 62, the air extraction pipe 62 penetrates the top end of the shell 1 and the side of the protective box 17 and is communicated with the interior of the protective box 17, and the air pump 61 is communicated with an existing pipeline; the air pump 61 is started to drive the air extraction pipe 62 to extract the harmful gas or particles in the interior of the protective box 17, and the harmful gas or particles are discharged to the existing purification mechanism through the existing pipeline.

[0021] By the setting of the driving mechanism 4, the height of the two lifting plates 2 and the several spray heads 21 can be adjusted respectively, so that the double-sided paint spraying on the oil painting canvas with different thicknesses can be facilitated, by the setting of the sealing mechanism 5, the harmful gas or particles generated in the process of paint spraying can be prevented from leaking out of the through groove 1, by the setting of the extraction mechanism 6, the harmful gas or particles in the protective box 17 can be finally extracted.

[0022] The above-described specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above-described specific embodiments are merely specific embodiments of the utility model and are not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A protective device for two-way spraying of oil painting canvas, comprising a casing (1), characterized in that, The inside of the shell (1) is provided with a tensioning roller one (11), a conveying roller one (12), a conveying roller two (13) and a tensioning roller two (14) from left to right, respectively, the outer wall of the shell (1) is provided with an inlet (15) and an outlet (16) on both sides, respectively, the inside of the shell (1) is fixedly provided with a protection box (17), the upper and lower ends of the outer wall of the protection box (17) are provided with lifting plates (2), a plurality of nozzles (21) are arranged on the two lifting plates (2), the upper and lower ends of the protection box (17) are penetrated by a through slot one (3), the two sides of the protection box (17) are provided with a through slot two (31), a plurality of nozzles (21) are communicated with a hose (22) penetrating the lifting plate (2), the shell (1) is provided with a driving mechanism (4) for driving the two lifting plates (2) to move, the protection box (17) is provided with two sealing mechanisms (5) for sealing the through slot one (3), and the shell (1) is provided with an extraction mechanism (6) for extracting harmful gas or particles in the protection box (17).

2. A protective device for two-way spraying of oil painting canvas according to claim 1, characterized in that, The driving mechanism (4) comprises a motor one (41) and a bearing seat fixedly arranged on the top end of the shell (1), respectively, a rotating shaft (42) is arranged between the motor one (41) and the bearing seat, two symmetrical worms (43) are fixedly arranged on the rotating shaft (42), a worm wheel (44) is engaged on one side of the two worms (43), a threaded rod one (45) is fixedly arranged on the two worm wheels (44), a threaded rod two (46) is fixedly arranged at the bottom end of the two threaded rod ones (45), lifting grooves (47) are formed at the two ends of the inner wall of the shell (1), the two lifting plates (2) are symmetrically arranged and slidably connected with the two lifting grooves (47) at both ends, the two lifting plates (2) are threadedly connected with the threaded rod one (45) and the threaded rod two (46), respectively, and the bottom ends of the two threaded rod two (46) are rotatably connected with the bottom ends in the two lifting grooves (47).

3. A two-way spray guard for oil painting canvas as claimed in claim 2, wherein, The rotation directions of the threaded rod one (45) and the threaded rod two (46) are opposite.

4. A protective device for two-way spraying of oil painting canvas according to claim 1, characterized in that, The sealing mechanism (5) comprises two air cylinders one (51) fixedly arranged on the two sides of the outer wall of the protection box (17), two sliding grooves (52) are formed in the protection box (17), the two sliding grooves (52) are communicated with the through slot one (3) and slidably connected with sliding blocks (53) in the inside, the piston rods of the two air cylinders one (51) penetrate the outer wall of the protection box (17) and are fixedly connected with the two sliding blocks (53), respectively, and the ends of the two sliding blocks (53) away from the air cylinders one (51) are fixedly provided with sealing pads (54).

5. A two-way spray guard for oil painting canvas as claimed in claim 4, wherein, The extraction mechanism (6) comprises an air pump (61), the air pump (61) is fixedly arranged on the top end of the shell (1) and communicated with an air extraction pipe (62), the air extraction pipe (62) penetrates the top end of the shell (1) and one side of the protection box (17) and is communicated with the inside of the protection box (17).

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