Double-sided paint spraying production line and method

Abstract

The invention discloses a double-sided paint spraying production line and method, and particularly relates to the technical field of furniture production, the double-sided paint spraying production line comprises a box body, the front end and the rear end of the box body are provided with a feeding port and a discharging port respectively, and the interior of the box body is sequentially divided into a first paint spraying cavity, a drying cavity, a grinding cavity and a second paint spraying cavity from left to right through three barrier curtain assemblies. According to the double-sided paint spraying production line and method, the conveying assembly and the clamping assembly are arranged to drive wood to sequentially pass through the first paint spraying cavity, the drying cavity, the grinding cavity and the second paint spraying cavity, primer spraying, drying, grinding and top paint spraying treatment can be sequentially conducted on the wood, the painting effect is good, and the automation degree is high; the wood processing efficiency is improved, meanwhile, the adjacent cavities are separated through the arranged blocking curtain assemblies, and the situation that when wood is processed in different cavities, dust and paint drift away in the adjacent cavities, cross contamination is generated in the paint spraying process, and the wood paint spraying quality is affected is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of furniture production, and in particular to a double-sided painting production line and method. Background Art

[0002] Wood processing uses wood as raw material and uses mechanical or chemical methods to make the processed products still retain the basic characteristics of wood. Wood is widely used in building components, furniture, vehicles, ships, stationery, packaging containers and other fields due to its advantages such as light weight, high strength-to-weight ratio, good elasticity, impact resistance, rich and beautiful texture and color, and easy processing.

[0003] There are more and more wooden furniture needed in our lives, and the color choices of each household are becoming more and more vivid, so the requirements for wood painting are also getting higher and higher. The traditional wood painting device has a single structure, uneven painting, and cannot quickly clamp wood of different sizes. It can only paint the wood on one side. During the painting process, workers are required to manually turn the wood over, which is labor-intensive and has low painting efficiency. Summary of the invention

[0004] The main purpose of the present invention is to provide a double-sided painting production line and method, which can effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A double-sided paint production line comprises a box body, wherein a feed port and a discharge port are respectively provided at the front and rear ends of the box body, and the inside of the box body is divided into a first paint spraying chamber, a drying chamber, a polishing chamber and a second paint spraying chamber from left to right in sequence by three barrier curtain assemblies, a second slide groove is provided on the top wall of the inner cavity of the box body, and a first slide groove is provided on the bottom wall of the inner cavity of the box body, a conveying assembly is jointly installed between the top wall and the bottom of the box body, the conveying assembly passes through the first paint spraying chamber, the drying chamber, the polishing chamber and the second paint spraying chamber, a clamping assembly is installed on the conveying assembly, a primer spraying assembly is installed in the first paint spraying chamber, a plurality of electric heating plates and hot fans are evenly and fixedly installed on the left and right inner walls of the drying chamber, a polishing device is installed in the polishing chamber, a top paint spraying assembly is installed in the second paint spraying chamber, and bases are fixedly installed on both the left and right sides of the bottom of the box body.

[0007] Preferably, the conveying assembly includes a first motor, a first screw and a first sliding rod, the first screw is rotatably connected in the first sliding groove, the first sliding rod is fixedly installed in the second sliding groove, the outer surface of the first sliding rod is slidably connected with the first sliding block, the first sliding block is slidably connected to the inner wall of the second sliding groove, the first electric telescopic rod is fixedly installed on the bottom of the first sliding block, the second panel is fixedly installed on the bottom telescopic end of the first electric telescopic rod, the outer surface of the first screw is threadedly connected with the first driving block, the first cross plate is fixedly installed on the top of the first driving block, the first cross plate slides in the first sliding groove, the first panel is fixedly installed on the top of the first cross plate, and the second panel is opposite to the first panel.

[0008] Preferably, the primer spraying assembly includes two second screws and a paint box, the two second screws are rotatably installed on the left and right sides between the top wall and the bottom wall of the first paint spraying chamber, the outer surface of the second screw is threadedly connected with a second driving block, the second driving block is fixedly installed with a paint spraying pipe on the side corresponding to the conveying assembly, a plurality of nozzles are arranged on the paint spraying pipe, the paint box is fixedly installed on the top of the box body, a connected paint pump is connected to the paint box, a paint delivery hose is connected to the upper end of the paint spraying pipe, the top of the paint delivery hose passes through the box body and is connected to the paint pump, two second motors are fixedly installed on the top of the box body, the output end of the second motor is fixedly connected to the top of the second screw on the same side, second sliding rods are respectively provided on the front and rear sides of the second screw, the second sliding rod is fixedly installed between the top wall and the bottom wall of the first paint spraying chamber, a sliding hole corresponding to the second sliding rod is opened in the middle of the second driving block, and the second sliding rod is arranged in the sliding hole.

[0009] Preferably, the grinding device includes a collecting box and two third screws, the two third screws are respectively fixedly mounted on the left and right sides between the top wall and the bottom wall of the grinding chamber, the outer surface of the third screw is threadedly connected with a third driving block, a second electric telescopic rod is transversely fixedly mounted on the side of the third driving block close to the conveying component, a first mounting plate is fixedly mounted on the telescopic end of the second electric telescopic rod, a third sliding groove is provided on the side of the first mounting plate close to the conveying component, a fourth screw is rotatably connected in the third sliding groove, the outer surface of the fourth screw is threadedly connected with a fourth driving block, the fourth driving block is slidably connected to the inner wall of the third sliding groove, a seventh motor is transversely fixedly mounted on the side of the fourth driving block corresponding to the conveying component, and the seventh motor output A grinding wheel is fixedly installed on the output end, a fourth motor is fixedly installed on one side of the first mounting plate, the output end of the fourth motor is fixedly connected to the fourth screw, third sliding rods are respectively provided on the front and rear sides of the third screw, two third sliding rods are fixedly installed between the top wall and the bottom wall of the grinding chamber, a sliding hole corresponding to the third sliding rod is opened in the middle of the third driving block, the third sliding rod is arranged in the sliding hole, the third motor is fixedly installed on the left and right sides of the top of the box body, the output end of the third motor is fixedly connected to the top of the third screw on the same side, a second mounting plate is fixedly installed on the top of the first mounting plate, the second mounting plate is inclined downward to the side close to the conveying assembly, a mounting hole is opened in the middle of the second mounting plate, and a blowing fan is installed in the mounting hole.

[0010] Preferably, the collecting box is fixedly installed at the bottom of the box body, a collecting port connected to the collecting box is opened at the bottom of the grinding chamber, an exhaust port is opened on the side wall of the collecting box, a filter is installed in the exhaust port, an air pump is fixedly installed outside the exhaust port, a cleaning port is opened on the right side of the collecting box, and a box door is installed in the cleaning port.

[0011] Preferably, the top paint spraying assembly has the same structure as the primer spraying assembly, and the connection method between the top paint spraying assembly and the second paint spraying chamber is the same as the connection method between the primer spraying assembly and the first paint spraying chamber.

[0012] Preferably, the clamping assembly includes two bottom plates symmetrically installed on the lower surface of the second panel and the upper surface of the first panel, a first equipment cavity is opened inside the bottom plate, a fifth motor is fixedly installed in the middle of the bottom wall of the first equipment cavity, a screw is fixedly connected to the output end of the fifth motor, the top of the screw is rotatably connected to the bottom wall of the first equipment cavity, a lifting plate is threadedly connected to the outer surface of the screw, both ends of the lifting plate are hingedly installed with adjusting rods, the end of the adjusting rod away from the lifting plate is hinged with the bottom of the second slider on the same side, two movable openings communicating with the inside of the first equipment cavity are opened at the ends of the two bottom plates close to each other, two fourth sliding rods are fixedly installed inside the first equipment cavity, two second sliding rods are slidably connected to the outer surfaces of the two fourth sliding rods, and the two second sliding rods slide in the movable openings on both sides, a fourth supporting plate is fixedly installed on the top of the second sliding plate, the ends of the two fourth supporting plates close to each other are fixedly installed with connecting plates, the ends of the two connecting plates close to each other are fixedly installed with buffer components, and the end of the buffer component away from the connecting plate is fixedly installed with a clamping plate, and through holes are opened on both sides of the bottom wall of the first equipment cavity.

[0013] Preferably, a splint is fixedly installed at each opposite end of the buffer assembly, the buffer assembly comprises a hollow cylinder, a slide plate is slidably connected to the middle of the hollow cylinder, a movable rod is fixedly installed at one end of the slide plate, a spring is installed on the other side of the slide plate, and the end of the movable rod away from the slide plate passes through the hollow cylinder and is fixedly connected to the splint.

[0014] Preferably, the barrier curtain assembly includes a first fixing plate, a second fixing plate, a flexible curtain sleeve and a sixth motor, the first fixing plate being fixedly mounted on the left wall of the inner cavity of the box body, the first fixing plate being fixedly mounted with a first support plate on both upper and lower sides of one end of the first fixing plate close to the second fixing plate, the second support plate being fixedly mounted with a second support plate on both upper and lower sides of one end of the second fixing plate close to the first fixing plate, a top plate being arranged between the first support plate and the second support plate, two third support plates being fixedly mounted between the upper and lower top plates, a forward and reverse screw being rotatably connected between the two first support plates, a second equipment cavity being opened inside the box body, the sixth motor being fixedly mounted in the second equipment cavity, the output end of the sixth motor being fixedly connected to the bottom of the forward and reverse screws, a limiting slide bar being fixedly mounted between the two second support plates, the upper and lower sides of the outer surfaces of the forward and reverse screws being threadedly connected with a fifth driving block, the outer surface of the limiting slide bar The two second sliding blocks are rotatably connected to each other on the upper and lower sides, and the fifth driving block slides tightly with the first fixed plate, and the fifth driving block is rotatably connected to the first rod member on one side close to the second fixed plate, and the fourth sliding block is rotatably connected to the second rod member on one side close to the first fixed plate, and the two first rod members are cross-arranged, and the two second rod members are cross-arranged, and the middle parts of the two first rod members are rotatably connected together by a rotating shaft, and the middle parts of the two second rod members are rotatably connected together by a rotating shaft, and the first rod member and the second rod member are rotatably connected together by a rotating shaft, and the first rod member and the second rod member corresponding to each other are rotatably connected together by a rotating rod. The outer surface of the third support plate has limited sliding grooves on the upper and lower sides, and the two third support plates are located on both sides of the rotating rod, and the two ends of the rotating rod slide in the limited sliding grooves on both sides, and the first fixed plate, the first support plate, the second fixed plate, the second support plate, the top plate and the third support plate form a rectangular frame, and the flexible curtain cover is covered outside the rectangular frame.

[0015] A double-sided painting method, the steps are as follows:

[0016] S1. When in use, according to the size of the wood, the clamping position of the clamping assembly is adjusted by the first electric telescopic rod, and the wood is placed between the plywood on both sides. Then the fifth motor is started, the fifth motor drives the screw rod to rotate, the screw rod drives the lifting plate to move downward, the lifting plate drives the second sliders on both sides to slide on the fourth slider through the adjusting rod, drives the first support plates on both sides to approach each other, thereby driving the plywood on both sides to clamp the wood through the connecting plate and the buffer assembly, and the first motor is started to drive the first screw rod to rotate, the first screw drives the first cross plate to slide in the first slide groove through the first driving block, the first cross plate drives the first panel to move, the first panel drives the clamping assembly to move, thereby driving the wood into the first paint spraying chamber;

[0017] S2, the second motor drives the second screw to rotate, thereby driving the second driving block to move up and down, and the second driving block drives the paint spraying tube to move up and down, and the different parts of both sides of the wood are sprayed with paint through the spray head. After the painting is completed, the conveying component drives the wood into the drying chamber;

[0018] S3, heating the air in the drying chamber by an electric heating plate to increase the temperature in the drying chamber, blowing air to the wood by a hot fan to air-dry the paint on the surface of the wood, and after the paint on the surface of the wood is dried, the conveying component drives the wood into the polishing chamber;

[0019] S4. The third motor drives the third screw to rotate, thereby driving the third drive block to move up and down, the third drive block drives the second electric telescopic rod to move up and down, the second electric telescopic rod drives the first mounting plate to approach the wood, and at the same time the fourth motor drives the fourth screw to move, drives the fourth drive block to move, and the fourth drive block drives the grinding wheel to move left and right, so as to grind different positions on both sides of the wood, and when grinding, the blowing fan is started to blow out the powder generated by grinding the wood surface, and at the same time the vacuum pump is started to generate suction, and the dust floating in the grinding chamber is sucked into the collection box through the collection port. After the double-sided grinding of the wood is completed, the wood is driven into the second spray paint chamber through the conveying component, and the wood is sprayed with top paint through the top paint spraying component.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention discloses a double-sided painting production line, which drives the wood to pass through the first painting chamber, the drying chamber, the grinding chamber and the second painting chamber in sequence through the provided conveying assembly and the clamping assembly, and then the primer spraying assembly, the electric heating plate and the hot fan, the grinding device and the lifting spraying assembly cooperate with each other to spray the primer, dry, grind and spray the top paint on the wood in sequence, with good painting effect, high degree of automation and improved processing efficiency of the wood;

[0022] 2. The adjacent chambers are separated by the barrier curtain assembly to prevent dust and paint from floating in adjacent chambers when the wood is processed in different chambers, causing cross contamination during painting and affecting the quality of wood painting;

[0023] 3. The primer spraying assembly and topcoat spraying assembly can spray primer and topcoat on both sides of the wood at the same time, which improves the painting efficiency. At the same time, the polishing device can polish the primer on the wood surface after it dries, so as to achieve smooth treatment of the wood surface and ensure the smoothness of the wood surface, which improves the effect of subsequent wood painting;

[0024] 4. The clamping assembly can quickly clamp the wood, and the first electric telescopic rod can adjust the distance between the first panel and the second panel, so that wood of different sizes can be clamped, and the use range is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the cross-sectional structure of the drying chamber of the present invention;

[0028] Figure 4 It is a schematic diagram of the cross-sectional structure of the grinding chamber of the present invention;

[0029] Figure 5 It is a schematic structural diagram of the clamping assembly of the present invention;

[0030] Figure 6 For the present invention Figure 2 The enlarged schematic diagram of point A in the middle;

[0031] Figure 7 It is a schematic structural diagram of the barrier curtain assembly of the present invention;

[0032] Figure 8 For the present invention Figure 4 A magnified schematic diagram of point B in the middle.

[0033] In the figure: 1, box body; 2, barrier curtain assembly; 3, conveying assembly; 4, clamping assembly; 5, primer spraying assembly; 6, grinding device; 7, top paint spraying assembly; 8, electric heating plate; 9, base; 10, hot fan; 11, feed inlet; 12, discharge outlet; 101, first spray chamber; 102, drying chamber; 103, grinding chamber; 104, second spray chamber; 105, first slide; 106, second slide; 31, first motor; 32, first screw; 33, first drive block; 34, first horizontal plate; 35, first surface plate; 36, first slide bar; 37, first slider; 38, first electric telescopic rod; 39, second panel; 51, paint box; 52, paint pump; 53, paint hose; 54, second motor; 55, second screw rod; 56, second drive block; 57, second slide bar; 58, paint spray tube; 59, spray head; 61, third motor; 62, third screw rod; 63, third drive block; 64, second electric telescopic rod; 65, first mounting plate; 651, third slide slot; 66, fourth motor; 67, fourth screw rod; 68, fourth drive moving block; 69, seventh motor; 610, grinding wheel; 611, second mounting plate; 612, blowing fan; 613, collection box; 614, vacuum pump; 615, filter; 616, third slide bar; 617, box door; 41, bottom plate; 42, first equipment cavity; 43, fourth slide bar; 44, second slide block; 45, fourth support plate; 46, connecting plate; 47, buffer assembly; 48, clamping plate; 49, adjusting rod; 410, lifting plate; 411, fifth motor; 412, through hole; 413, screw rod; 471, air Core cylinder; 472, spring; 473, slide plate; 474, movable rod; 421, movable opening; 21, first fixed plate; 22, second support plate; 23, forward and reverse screws; 24, fifth drive block; 25, second fixed plate; 26, second support plate; 27, limit slide bar; 28, sixth motor; 29, first rod; 210, third support plate; 211, top plate; 212, fourth slide block; 213, second rod; 214, flexible curtain cover; 215, rotating rod; 2101, limit slide groove; 1031, collecting opening. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0035] Embodiment 1

[0036] See also Figure 1 , 2As shown in , 7, a double-sided painting production line includes a box body 1, bases 9 are fixedly installed on the left and right sides of the bottom of the box body 1, a feed port 11 and a discharge port 12 are respectively opened at the front and rear ends of the box body 1, and the box body 1 is divided into a first painting chamber 101, a drying chamber 102, a grinding chamber 103 and a second painting chamber 104 from left to right by three barrier curtain assemblies 2. A second slide groove 106 is opened on the top wall of the inner cavity of the box body 1, and a first slide groove 105 is opened on the bottom wall of the inner cavity of the box body 1. A conveying assembly 3 is installed between the top wall and the bottom of the box body 1. The barrier curtain assembly 2 can divide and block adjacent chambers to avoid cross contamination between adjacent chambers when processing wood, which affects the painting of wood. The conveying component 3 is arranged through the first paint spraying chamber 101, the drying chamber 102, the grinding chamber 103 and the second paint spraying chamber 104, the clamping component 4 is installed on the conveying component 3, the primer spraying component 5 is installed in the first paint spraying chamber 101, and a plurality of electric heating plates 8 and hot fans 10 are evenly and fixedly installed on the left and right inner walls of the drying chamber 102, the grinding chamber 103 is installed with a grinding device 6, and the second paint spraying chamber 104 is installed with a top paint spraying component 7. The wood is driven by the conveying component 3 to pass through the first paint spraying chamber 101, the drying chamber 102, the grinding chamber 103 and the second paint spraying chamber 104 in sequence, so that the wood can be sprayed with primer, dried, grounded and sprayed with top paint. The degree of automation is high, and the processing efficiency of the wood is improved.

[0037] Specifically, the barrier curtain assembly 2 includes a first fixed plate 21, a second fixed plate 25, a flexible curtain sleeve 214 and a sixth motor 28. The first fixed plate 21 is fixedly installed on the left wall of the inner cavity of the box body 1. The first fixed plate 21 is fixedly installed with a first support plate 22 on both upper and lower sides of one end of the first fixed plate 21 close to the second fixed plate 25. The second support plate 26 is fixedly installed on both upper and lower sides of one end of the second fixed plate 25 close to the first fixed plate 21. A top plate 211 is arranged between the first support plate 22 and the second support plate 26. Two third support plates 210 are fixedly installed between the upper and lower top plates 211. The two first support plates 22 are rotatably connected with a forward and reverse screw 23. A second equipment cavity is opened inside the box body 1. The sixth motor 28 is fixedly installed in the second equipment cavity. The output end of the sixth motor 28 is fixedly connected to the bottom of the forward and reverse screw 23. A limiting slide bar 27 is fixedly installed between the two second support plates 26. The upper and lower sides of the outer surfaces of the forward and reverse screws 23 are threadedly connected with the fifth driving block 24. The upper and lower sides of the outer surfaces of the limiting slide bar 27 are slidably connected There is a fourth slider 212, the fifth driving block 24 slides closely with the first fixed plate 21, the fifth driving block 24 is rotatably connected to the first rod 29 on the side close to the second fixed plate 25, the fourth slider 212 is rotatably connected to the second rod 213 on the side close to the first fixed plate 21, the two first rods 29 are cross-arranged, the two second rods 213 are cross-arranged, and the middle parts of the two first rods 29 are rotatably connected together by a rotating shaft, and the middle parts of the two second rods 213 are rotatably connected together by a rotating shaft, and the first rod 29 and the first rod 29 are cross-arranged. The corresponding ends of the two rods 213 are rotatably connected together through a rotating rod 215, and limiting slide grooves 2101 are provided on both sides of the upper and lower outer surfaces of the third support plate 210. The two third support plates 210 are located on both sides of the rotating rod 215, and the two ends of the rotating rod 215 slide in the limiting slide grooves 2101 on both sides. A rectangular frame is formed by the first fixed plate 21, the first support plate 22, the second fixed plate 25, the second support plate 26, the top plate 211 and the third support plate 210, and the flexible curtain cover 214 covers the outside of the rectangular frame.

[0038] When in use, the sixth motor 28 drives the forward and reverse screws 23 to rotate, and the forward and reverse screws 23 drive the fifth driving blocks 24 on both sides to approach each other, thereby driving the first rods 29 on both sides to approach each other, and the two second rods 213 on the other side are driven to approach each other through the two crossed first rods 29, thereby driving the second fixed plate 25 away from the first fixed plate 21, thereby unfolding the flexible curtain cover 214 and separating adjacent chambers to prevent dust and paint from floating in adjacent chambers when wood is processed in different chambers, causing pollution during painting and affecting the painting quality of the wood.

[0039] Embodiment 2

[0040] See also Figure 2As shown, the conveying assembly 3 includes a first motor 31, a first screw 32 and a first sliding rod 36. The first screw 32 is rotatably connected in the first slide groove 105, and the first sliding rod 36 is fixedly installed in the second slide groove 106. The outer surface of the first sliding rod 36 is slidably connected with the first slider 37, and the first slider 37 is slidably connected to the inner wall of the second slide groove 106. A first electric telescopic rod 38 is fixedly installed at the bottom of the first slider 37, and a second panel 39 is fixedly installed at the bottom telescopic end of the first electric telescopic rod 38. The outer surface of the first screw 32 is threadedly connected with the first driving block 33, and a first cross plate 34 is fixedly installed on the top of the first driving block 33. The first cross plate 34 slides in the first slide groove 105, and a first panel 35 is fixedly installed on the top of the first cross plate 34. The second panel 39 is opposite to the first panel 35.

[0041] When in use, the first motor 31 is started to drive the first screw 32 to rotate, and the first screw 32 drives the first cross plate 34 to slide in the first slide groove 105 through the first driving block 33, and the first cross plate 34 drives the first panel 35 to move, and the first panel 35 drives the clamping assembly 4 to move, thereby driving the wood to pass through the first paint spraying chamber 101, the drying chamber 102, the polishing chamber 103 and the second paint spraying chamber 104 in sequence, so as to facilitate the spraying of primer, drying, polishing and top paint on the wood, with a high degree of automation, thereby improving the processing efficiency of the wood.

[0042] See also Figure 5As shown, the clamping assembly 4 includes two bottom plates 41 symmetrically installed on the lower surface of the second panel 39 and the upper surface of the first panel 35, a first equipment cavity 42 is provided inside the bottom plate 41, a fifth motor 411 is fixedly installed in the middle of the bottom wall of the first equipment cavity 42, a screw rod 413 is fixedly connected to the output end of the fifth motor 411, the top of the screw rod 413 is rotatably connected to the bottom wall of the first equipment cavity 42, a lifting plate 410 is threadedly connected to the outer surface of the screw rod 413, both ends of the lifting plate 410 are hingedly installed with adjusting rods 49, one end of the adjusting rod 49 away from the lifting plate 410 is hinged together with the bottom of the second slider 44 on the same side, two movable openings 421 communicating with the interior of the first equipment cavity 42 are provided at the ends of the two bottom plates 41 close to each other, two fourth sliding rods 43 are fixedly installed inside the first equipment cavity 42, the outer surfaces of the two fourth sliding rods 43 are slidably connected to two second sliders 44, the two second sliders 44 slide in the movable openings 421 on both sides, a fourth support plate 45 is fixedly installed on the top of the second slider 44, and the two fourth support plates 45 are close to each other A connecting plate 46 is fixedly installed at one end near the two connecting plates 46, a buffer assembly 47 is fixedly installed at one end of the buffer assembly 47 away from the connecting plate 46, and a clamping plate 48 is fixedly installed at one end of the buffer assembly 47 away from the connecting plate 46. Through holes 412 are provided on both sides of the bottom wall of the first equipment cavity 42. When in use, the first electric telescopic rod 38 changes the position of the top second panel 39, thereby adjusting the distance between the first panel 35 and the second panel 39, and can clamp wood of different sizes. It has a wide range of uses. When clamping, the fifth motor 411 is started, and the fifth motor 411 drives the screw rod 413 to rotate, and the screw rod 413 drives the lifting plate 410 to move downward, and the lifting plate 410 drives the second sliders 44 on both sides to slide on the fourth slider 43 through the adjusting rod 49, and drives the fourth support plates 45 on both sides to approach each other, thereby driving the clamping plates 48 on both sides to clamp the wood through the connecting plate 46 and the buffer assembly 47, so as to achieve the effect of fixing the wood well, so that the wood will not move during painting, thereby ensuring the quality of painting, and then ensuring the quality of the product.

[0043] Furthermore, a plywood 48 is fixedly installed at the opposite ends of the buffer assembly 47. The buffer assembly 47 includes a hollow cylinder 471, a slide plate 473 is slidably connected to the middle of the hollow cylinder 471, a movable rod 474 is fixedly installed at one end of the slide plate 473, a spring 472 is installed on the other side of the slide plate 473, and the end of the movable rod 474 away from the slide plate 473 passes through the hollow cylinder 471 and is fixedly connected to the plywood 48. In the process of clamping the wood, the buffer assembly 47 can buffer the impact force between the plywood 48 and the wood to avoid excessive clamping force and damage to the wood.

[0044] Embodiment 3

[0045] See also Figure 3As shown, the primer spraying assembly 5 includes two second screws 55 and a paint box 51. The two second screws 55 are rotatably mounted on the left and right sides between the top wall and the bottom wall of the first paint spraying chamber 101, respectively. The outer surface of the second screw 55 is threadedly connected with a second driving block 56. The second driving block 56 is fixedly mounted with a paint spraying pipe 58 on the side corresponding to the conveying assembly 3. A plurality of nozzles 59 are arranged on the paint spraying pipe 58. The paint box 51 is fixedly mounted on the top of the box body 1. The paint box 51 is connected with a connected paint pump 52. The paint spraying pipe 58 The upper end is connected to a paint delivery hose 53, the top of the paint delivery hose 53 passes through the box body 1 and is connected to the paint pump 52, two second motors 54 are fixedly installed on the top of the box body 1, the output end of the second motor 54 is fixedly connected to the top of the second screw 55 on the same side, and the second slide rod 57 is respectively provided on the front and rear sides of the second screw 55, and the second slide rod 57 is fixedly installed between the top wall and the bottom wall of the first paint spray chamber 101, and a sliding hole corresponding to the second slide rod 57 is opened in the middle of the second driving block 56, and the second slide rod 57 is arranged in the sliding hole.

[0046] See also Figure 7 As shown, the top paint spraying assembly 7 has the same structure as the primer spraying assembly 5 , and the connection method between the top paint spraying assembly 7 and the second paint spraying chamber 104 is the same as the connection method between the primer spraying assembly 5 and the first paint spraying chamber 101 .

[0047] During operation, the second motor 54 drives the second screw 55 to rotate, thereby driving the second driving block 56 to move up and down, and the second driving block 56 drives the paint spraying pipe 58 to move up and down. At the same time, the paint pump 52 transports the paint in the paint box 51 to the paint supply hose 53, and then transports it to the paint spraying pipe 58. The different parts of both sides of the wood are evenly sprayed with paint through the spray head 59, and the paint spraying quality is good.

[0048] Embodiment 4

[0049] See also Figure 4 , 6As shown in Figure 8, the grinding device 6 includes a collecting box 613 and two third screws 62, the two third screws 62 are fixedly installed on the left and right sides between the top wall and the bottom wall of the grinding chamber 103, respectively, the outer surface of the third screw 62 is threadedly connected with a third driving block 63, the third driving block 63 is laterally fixedly installed with a second electric telescopic rod 64 on the side close to the conveying component 3, the telescopic end of the second electric telescopic rod 64 is fixedly installed with a first mounting plate 65, the first mounting plate 65 is provided with a third slide groove 651 on the side close to the conveying component 3, the third slide groove 651 is rotatably connected with a fourth screw 67, the outer surface of the fourth screw 67 is threadedly connected with a fourth driving block 68, the fourth driving block 68 is slidably connected with the inner wall of the third slide groove 651, the side of the fourth driving block 68 corresponding to the conveying component 3 is laterally fixedly installed with a seventh motor 69, the output end of the seventh motor 69 is fixedly installed with a grinding wheel 610, the first mounting plate 65 is fixedly installed with a fourth motor 66 on one side, the output end of the fourth motor 66 is fixedly connected with the fourth screw 67, and the third screw 6 The third slide bars 616 are respectively arranged on the front and rear sides, and the two third slide bars 616 are fixedly installed between the top wall and the bottom wall of the grinding chamber 103. A slide hole corresponding to the third slide bar 616 is opened in the middle of the third driving block 63, and the third slide bar 616 is arranged in the slide hole. The third motor 61 is fixedly installed on the left and right sides of the top of the box body 1, and the output end of the third motor 61 is fixedly connected to the top of the third screw rod 62 on the same side. The second mounting plate 611 is fixedly installed on the top of the first mounting plate 65, and the second mounting plate 611 is facing the The side close to the conveying component 3 is tilted downward, and a mounting hole is opened in the middle of the second mounting plate 611, and a blowing fan 612 is installed in the mounting hole; the collecting box 613 is fixedly installed at the bottom of the box body 1, and a collecting port 1031 connected to the collecting box 613 is opened at the bottom of the grinding chamber 103, and an exhaust port is opened on the side wall of the collecting box 613, and a filter screen 615 is installed in the exhaust port, and an exhaust pump 614 is fixedly installed outside the exhaust port, and a cleaning port is opened on the right side of the collecting box 613, and a box door 617 is installed in the cleaning port.

[0050] During operation, the third motor 61 drives the third screw 62 to rotate, thereby driving the third driving block 63 to move up and down, the third driving block 63 drives the second electric telescopic rod 64 to move up and down, the second electric telescopic rod 64 drives the first mounting plate 65 to get close to the wood, and at the same time the fourth motor 66 drives the fourth screw 67 to move, drives the fourth driving block 68 to move, and the fourth driving block 68 drives the grinding wheel 610 to move left and right, so as to grind different positions on both sides of the wood, and when grinding, the blowing fan 612 is started to blow out the powder generated by grinding the wood surface, and at the same time the vacuum pump 614 is started to generate suction, and the dust floating inside the grinding chamber 103 is sucked into the collection box 613 through the collection port 1031.

[0051] Embodiment 5

[0052] A double-sided painting method, the steps are as follows:

[0053] S1. When in use, according to the size of the wood, the position of the second panel 39 is adjusted by the first electric telescopic rod 38, and the wood is placed between the clamping plates 48 on both sides. Then the fifth motor 411 is started, and the fifth motor 411 drives the screw rod 413 to rotate, and the screw rod 413 drives the lifting plate 410 to move downward, and the lifting plate 410 drives the second sliders 44 on both sides to slide on the fourth slider 43 through the adjusting rod 49, and drives the fourth support plates 45 on both sides to approach each other, thereby driving the clamping plates 48 on both sides to clamp the wood through the connecting plate 46 and the buffer assembly 47, and the first motor 31 is started to drive the first screw rod 32 to rotate, and the first screw rod 32 drives the first cross plate 34 to slide in the first slide groove 105 through the first driving block 33, and the first cross plate 34 drives the first panel 35 to move, and the first panel 35 drives the clamping assembly 4 to move, thereby driving the wood into the first paint spraying chamber 101;

[0054] S2, the second motor 54 drives the second screw 55 to rotate, thereby driving the second driving block 56 to move up and down, and the second driving block 56 drives the paint spraying tube 58 to move up and down, and the spray head 59 is used to spray paint on different parts of both sides of the wood. After the painting is completed, the conveying component 3 drives the wood into the drying chamber 102;

[0055] S3, heating the air in the drying chamber 102 by the electric heating plate 8 to increase the temperature in the drying chamber 102, blowing air to the wood by the hot fan 10 to air-dry the paint on the surface of the wood, and after the paint on the surface of the wood is dried, the conveying component 3 drives the wood into the polishing chamber 103;

[0056] S4. The third motor 61 drives the third screw 62 to rotate, thereby driving the third driving block 63 to move up and down, the third driving block 63 drives the second electric telescopic rod 64 to move up and down, the second electric telescopic rod 64 drives the first mounting plate 65 to get close to the wood, and at the same time the fourth motor 66 drives the fourth screw 67 to move, drives the fourth driving block 68 to move, and the fourth driving block 68 drives the grinding wheel 610 to move left and right, so as to grind different positions on both sides of the wood, and during grinding, the blowing fan 612 is started to blow out the powder generated by grinding the wood surface, and at the same time the suction pump 614 is started to generate suction, and the dust floating inside the grinding chamber 103 is sucked into the collection box 613 through the collecting port 1031. After the double-sided grinding of the wood is completed, the wood is driven into the second spraying chamber 104 through the conveying component 3, and the wood is sprayed with top paint through the top paint spraying component 7.

[0057] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A double-sided painting production line, comprising a box (1), characterized in that: The box body (1) is provided with a feed inlet (11) and a discharge outlet (12) at the front and rear ends respectively; the box body (1) is divided into a first spray painting chamber (101), a drying chamber (102), a polishing chamber (103) and a second spray painting chamber (104) from left to right by three barrier curtain assemblies (2); a second slide groove (106) is provided on the top wall of the inner chamber of the box body (1); a first slide groove (105) is provided on the bottom wall of the inner chamber of the box body (1); a conveying assembly (3) is installed between the top wall and the bottom of the box body (1); the conveying assembly (3) passes through the first spray painting chamber (101) and the drying chamber (102). A paint chamber (101), a drying chamber (102), a grinding chamber (103) and a second paint spraying chamber (104) are provided, a clamping assembly (4) is installed on the conveying assembly (3), a primer spraying assembly (5) is installed in the first paint spraying chamber (101), a plurality of electric heating plates (8) and a hot fan (10) are evenly and fixedly installed on the left and right inner walls of the drying chamber (102), a grinding device (6) is installed in the grinding chamber (103), a top paint spraying assembly (7) is installed in the second paint spraying chamber (104), and bases (9) are fixedly installed on the left and right sides of the bottom of the box body (1).

2. A double-sided painting production line according to claim 1, characterized in that: The conveying assembly (3) comprises a first motor (31), a first screw rod (32) and a first sliding rod (36), wherein the first screw rod (32) is rotatably connected in the first sliding groove (105), the first sliding rod (36) is fixedly installed in the second sliding groove (106), the outer surface of the first sliding rod (36) is slidably connected with a first sliding block (37), the first sliding block (37) is slidably connected with the inner wall of the second sliding groove (106), a first electric telescopic rod (38) is fixedly installed at the bottom of the first sliding block (37), a second panel (39) is fixedly installed at the bottom telescopic end of the first electric telescopic rod (38), the outer surface of the first screw rod (32) is threadedly connected with a first driving block (33), the top of the first driving block (33) is fixedly installed with a first transverse plate (34), the first transverse plate (34) slides in the first sliding groove (105), the top of the first transverse plate (34) is fixedly installed with a first panel (35), and the second panel (39) and the first panel (35) are opposite.

3. A double-sided painting production line according to claim 1, characterized in that: The primer spraying assembly (5) comprises two second screws (55) and a paint box (51), the two second screws (55) are rotatably mounted on the left and right sides between the top wall and the bottom wall of the first paint spraying chamber (101), the outer surface of the second screw (55) is threadedly connected with a second driving block (56), the second driving block (56) is fixedly mounted with a paint spraying pipe (58) on the side corresponding to the conveying assembly (3), the paint spraying pipe (58) is provided with a plurality of spray heads (59), the paint box (51) is fixedly mounted on the top of the box body (1), the paint box (51) is connected with a connected paint pump (52), the paint spraying pipe (58) The upper end is connected to a paint delivery hose (53), the top of which passes through the box (1) and is connected to the paint pump (52), and two second motors (54) are fixedly installed on the top of the box (1), the output end of the second motor (54) is fixedly connected to the top of the second screw rod (55) on the same side, and the second slide rod (57) is respectively arranged on the front and rear sides of the second screw rod (55), and the second slide rod (57) is fixedly installed between the top wall and the bottom wall of the first paint spray chamber (101), and a slide hole corresponding to the second slide rod (57) is opened in the middle of the second driving block (56), and the second slide rod (57) is arranged in the slide hole.

4. A double-sided painting production line according to claim 1, characterized in that: The grinding device (6) comprises a collecting box (613) and two third screws (62), the two third screws (62) being fixedly mounted on the left and right sides between the top wall and the bottom wall of the grinding chamber (103), respectively, the outer surface of the third screw (62) being threadedly connected with a third driving block (63), a second electric telescopic rod (64) being fixedly mounted laterally on a side of the third driving block (63) close to the conveying assembly (3), and a first mounting plate (65) being fixedly mounted on the telescopic end of the second electric telescopic rod (64) ), a third slide groove (651) is provided on a side of the first mounting plate (65) close to the conveying assembly (3), a fourth screw rod (67) is rotatably connected in the third slide groove (651), a fourth driving block (68) is threadedly connected to the outer surface of the fourth screw rod (67), the fourth driving block (68) is slidably connected to the inner wall of the third slide groove (651), a seventh motor (69) is transversely fixedly installed on a side of the fourth driving block (68) corresponding to the conveying assembly (3), the seventh motor (69) A grinding wheel (610) is fixedly installed at the output end, a fourth motor (66) is fixedly installed on one side of the first mounting plate (65), the output end of the fourth motor (66) is fixedly connected to the fourth screw (67), and third sliding rods (616) are respectively arranged on the front and rear sides of the third screw (62), and the two third sliding rods (616) are fixedly installed between the top wall and the bottom wall of the grinding chamber (103), and a sliding hole corresponding to the third sliding rod (616) is opened in the middle of the third driving block (63), and the third sliding rod (616) is fixedly installed between the top wall and the bottom wall of the grinding chamber (103). The rod (616) is arranged in the sliding hole, and the third motor (61) is fixedly installed on both the left and right sides of the top of the box body (1), and the output end of the third motor (61) is fixedly connected to the top of the third screw rod (62) on the same side. A second mounting plate (611) is fixedly installed on the top of the first mounting plate (65), and the second mounting plate (611) is inclined downward toward the side close to the conveying component (3). A mounting hole is opened in the middle of the second mounting plate (611), and a blowing fan (612) is installed in the mounting hole.

5. A double-sided painting production line according to claim 4, characterized in that: The collecting box (613) is fixedly mounted on the bottom of the box body (1); a collecting port (1031) communicating with the collecting box (613) is provided at the bottom of the grinding chamber (103); an exhaust port is provided on the side wall of the collecting box (613); a filter screen (615) is installed in the exhaust port; an air pump (614) is fixedly mounted outside the exhaust port; a cleaning port is provided on the right side of the collecting box (613); a box door (617) is installed in the cleaning port.

6. A double-sided painting production line according to claim 1, characterized in that: The top paint spraying assembly (7) has the same structure as the primer spraying assembly (5), and the connection method between the top paint spraying assembly (7) and the second paint spraying chamber (104) is the same as the connection method between the primer spraying assembly (5) and the first paint spraying chamber (101).

7. A double-sided painting production line according to claim 1, characterized in that: The clamping assembly (4) comprises two bottom plates (41) symmetrically mounted on the lower surface of the second panel (39) and the upper surface of the first panel (35); a first equipment cavity (42) is provided inside the bottom plate (41); a fifth motor (411) is fixedly mounted in the middle of the bottom wall of the first equipment cavity (42); a screw rod (413) is fixedly connected to the output end of the fifth motor (411); the top end of the screw rod (413) is rotatably connected to the bottom wall of the first equipment cavity (42); a lifting plate (410) is threadedly connected to the outer surface of the screw rod (413); both ends of the lifting plate (410) are hingedly mounted with adjustment rods (49); one end of the adjustment rod (49) away from the lifting plate (410) is hingedly connected to the bottom of the second slider (44) on the same side; and the ends of the two bottom plates (41) close to each other are both opened. Two movable openings (421) are provided which are communicated with the interior of the first equipment cavity (42); two fourth sliding bars (43) are fixedly installed inside the first equipment cavity (42); the outer surfaces of the two fourth sliding bars (43) are slidably connected to two second sliding blocks (44); the two second sliding blocks (44) slide in the movable openings (421) on both sides; a fourth supporting plate (45) is fixedly installed on the top of the second sliding block (44); a connecting plate (46) is fixedly installed at one end of the two fourth supporting plates (45) close to each other; a buffer assembly (47) is fixedly installed at one end of the two connecting plates (46) close to each other; a clamping plate (48) is fixedly installed at one end of the buffer assembly (47) away from the connecting plate (46); through holes (412) are provided on both sides of the bottom wall of the first equipment cavity (42).

8. A double-sided painting production line according to claim 7, characterized in that: The buffer component (47) has a clamping plate (48) fixedly mounted on one opposite end. The buffer component (47) comprises a hollow cylinder (471). A slide plate (473) is slidably connected to the middle of the hollow cylinder (471). A movable rod (474) is fixedly mounted on one end of the slide plate (473). A spring (472) is mounted on the other side of the slide plate (473). The end of the movable rod (474) away from the slide plate (473) passes through the hollow cylinder (471) and is fixedly connected to the clamping plate (48).

9. A double-sided painting production line according to claim 1, characterized in that: The barrier curtain assembly (2) comprises a first fixing plate (21), a second fixing plate (25), a flexible curtain sleeve (214) and a sixth motor (28); the first fixing plate (21) is fixedly mounted on the left wall of the inner cavity of the box body (1); a first support plate (22) is fixedly mounted on both upper and lower sides of one end of the first fixing plate (21) close to the second fixing plate (25); a second support plate (26) is fixedly mounted on both upper and lower sides of one end of the second fixing plate (25) close to the first fixing plate (21); a top plate (211) is arranged between the first support plate (22) and the second support plate (26); the two top plates are fixedly mounted on both upper and lower sides of the first fixing plate (21); Two third support plates (210) are fixedly installed between the two first support plates (22), and a forward and reverse screw rod (23) is rotatably connected between the two first support plates (22). A second equipment cavity is opened inside the box body (1), and the sixth motor (28) is fixedly installed in the second equipment cavity. The output end of the sixth motor (28) is fixedly connected to the bottom of the forward and reverse screw rod (23). A limit slide bar (27) is fixedly installed between the two second support plates (26). The upper and lower sides of the outer surface of the forward and reverse screw rod (23) are both threadedly connected to the fifth drive block (24), and the upper and lower sides of the outer surface of the limit slide bar (27) are both slidably connected to The fourth slider (212), the fifth driving block (24) slides closely with the first fixed plate (21), the fifth driving block (24) is rotatably connected to the first rod (29) on the side close to the second fixed plate (25), the fourth slider (212) is rotatably connected to the second rod (213) on the side close to the first fixed plate (21), the two first rods (29) are cross-arranged, the two second rods (213) are cross-arranged, and the middle parts of the two first rods (29) are rotatably connected together through a rotating shaft, the middle parts of the two second rods (213) are rotatably connected together through a rotating shaft, the first rod (29) and the second rod (213) The corresponding ends are rotatably connected together through a rotating rod (215), and the upper and lower sides of the outer surface of the third support plate (210) are provided with limiting sliding grooves (2101), and the two third support plates (210) are located on both sides of the rotating rod (215). The two ends of the rotating rod (215) slide in the limiting sliding grooves (2101) on both sides. The first fixed plate (21), the first support plate (22), the second fixed plate (25), the second support plate (26), the top plate (211) and the third support plate (210) form a rectangular frame, and the flexible curtain cover (214) is covered outside the rectangular frame.

10. A double-sided painting method, characterized in that: Here are the steps: S1. When in use, the clamping position of the clamping assembly (4) is adjusted according to the size of the wood through the first electric telescopic rod (38), and the wood is placed between the clamping plates (48) on both sides. Then the fifth motor (411) is started, and the fifth motor (411) drives the screw rod (413) to rotate, and the screw rod (413) drives the lifting plate (410) to move downward. The lifting plate (410) drives the second sliders (44) on both sides to slide on the fourth slider (43) through the adjustment rod (49), driving the first support plates (45) on both sides to move upward. ) are brought close to each other, thereby driving the clamping plates (48) on both sides to clamp the wood through the connecting plate (46) and the buffer assembly (47), and the first motor (31) is started to drive the first screw rod (32) to rotate, and the first screw rod (32) drives the first transverse plate (34) to slide in the first slide groove (105) through the first driving block (33), and the first transverse plate (34) drives the first panel (35) to move, and the first panel (35) drives the clamping assembly (4) to move, thereby driving the wood to enter the first paint spraying chamber (101); S2, the second motor (54) drives the second screw (55) to rotate, thereby driving the second driving block (56) to move up and down, the second driving block (56) drives the paint spraying tube (58) to move up and down, and the spray head (59) is used to spray paint on different parts of both sides of the wood. After the painting is completed, the conveying component (3) drives the wood into the drying chamber (102); S3, heating the air in the drying chamber (102) by means of the electric heating plate (8) to increase the temperature in the drying chamber (102), blowing air to the wood by means of the hot fan (10) to dry the paint on the surface of the wood, and after the paint on the surface of the wood is dried, the conveying component (3) drives the wood into the polishing chamber (103); S4, the third motor (61) drives the third screw rod (62) to rotate, thereby driving the third driving block (63) to move up and down, the third driving block (63) drives the second electric telescopic rod (64) to move up and down, the second electric telescopic rod (64) drives the first mounting plate (65) to approach the wood, and at the same time the fourth motor (66) drives the fourth screw rod (67) to move, drives the fourth driving block (68) to move, and the fourth driving block (68) drives the grinding wheel (610) to move left and right, so as to grind different positions on both sides of the wood. During grinding, the blowing fan (612) is started to blow out the powder generated by grinding the wood surface, and at the same time the suction pump (614) is started to generate suction, so that the dust floating inside the grinding chamber (103) is sucked into the collection box (613) through the collection port (1031). After the double-sided grinding of the wood is completed, the wood is driven into the second spraying chamber (104) through the conveying component (3), and the wood is sprayed with top paint through the top paint spraying component (7).

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