Plate tracking spraying system and spraying method thereof

Abstract

The invention discloses a plate tracking spraying system and a spraying method thereof.The tracking spraying system comprises a longitudinal tracking base, a spraying head transverse moving assembly and a spraying head assembly, the spraying head assembly comprises an oil spraying head used for spraying oil to the rear side face of a plate, and the longitudinal tracking base is provided with a longitudinal moving plate and a longitudinal moving servo motor used for driving the oil spraying head to track the plate; the longitudinal movement servo motor drives the longitudinal movement plate to move left and right, the spray head transverse movement assembly is arranged on the longitudinal movement plate and comprises a transverse movement plate and a transverse movement servo motor, the transverse movement plate is arranged in a front-back sliding mode relative to the longitudinal movement plate, the transverse movement servo motor drives the transverse movement plate to move front and back, and the oil spray head is arranged on the transverse movement plate. According to the plate tracking spraying system and the spraying method thereof, effective intermittent spraying can be achieved, a regular spraying area can be formed, and therefore the intermittent spraying effect can be improved.

Description

Technical Field

[0001] The invention relates to the field of spraying systems and spraying methods, and in particular to a plate tracking spraying system and a spraying method thereof. Background Art

[0002] At present, the spraying machine is used to spray the side of the wood board. The spraying machine is provided with a chain plate conveying device, which includes a chain plate and a pressure wheel. The pressure wheel clamps the board on the chain plate. When the chain plate rotates, it can drive the board to move horizontally to the left. The spraying machine is also provided with a fixed oil spray head. The front end of the oil spray head is provided with a narrow and long oil spray port. For example, the Chinese utility model patent publication number CN212596661U "A quick-change spray head device" can be referred to. The oil spray port sprays oil forward at a slower speed. The rear side of the board moves to the left against the oil spray port, and the oil can be sprayed on the side of the board. The rear side is coated with oil. After one plate is sprayed, the second plate is continuously transported to the oil injection port through the chain conveyor. During this period, the excess oil sprayed from the oil injection port will fall into the liquid receiving basin and be transported back to the oil injection port through the pump body. Since the oil injection head is fixed, the spraying is continuous and it is impossible to spray the same plate intermittently. Even if the above-mentioned pump body is paused, the oil injection head will continue to flow out an uncontrollable amount of oil, resulting in a large error in the spraying range and an inability to form a shorter spraying area. Therefore, it is necessary to make an intermittent spraying system with better effects. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a plate tracking spraying system and a spraying method thereof, which are beneficial to improving the intermittent spraying effect.

[0004] The purpose of the present invention is achieved through the following technical solutions.

[0005] The plate tracking spraying system disclosed in the present invention includes a longitudinal tracking seat, a nozzle transverse movement assembly and a nozzle assembly, the nozzle assembly includes an oil spray head for spraying oil onto the rear side of the plate, the longitudinal tracking seat is provided with a longitudinal movement plate and a longitudinal movement servo motor for driving the oil spray head to track the plate, the longitudinal movement servo motor drives the longitudinal movement plate to move left and right, the nozzle transverse movement assembly is arranged on the longitudinal movement plate, the nozzle transverse movement assembly includes a transverse movement plate and a transverse movement servo motor, the transverse movement plate is arranged to slide forward and backward relative to the longitudinal movement plate, the transverse movement servo motor drives the transverse movement plate to move forward and backward, and the oil spray head is arranged on the transverse movement plate.

[0006] Preferably, the nozzle transverse movement assembly includes a stand, a lifting and adjusting seat and a lifting and adjusting screw. The lower end of the stand is installed and connected to the upper side of the longitudinal movement plate. The lifting and adjusting seat is slidably connected to one side of the stand. The lifting and adjusting screw is rotatably connected to the stand. The lifting and adjusting screw is threadedly connected to the lifting and adjusting seat. The transverse movement plate is slidably connected to the lifting and adjusting seat back and forth, and the transverse movement servo motor is installed on the lifting and adjusting seat.

[0007] Preferably, the nozzle transverse movement assembly includes an angle adjustment substrate and a locking screw. The angle adjustment substrate is installed on one side of the lifting and adjusting seat. The transverse movement plate is swingably connected to the angle adjustment substrate. The swing axis of the transverse movement plate extends along the left and right directions. The transverse movement plate is relatively fixed to the angle adjustment substrate through the locking screw.

[0008] Preferably, a circular boss is formed at the front portion of the angle adjustment substrate, and the circular boss is adapted to be relatively rotatable and arranged in the transverse plate. The transverse plate is abutted against the angle adjustment substrate in the left and right directions, and an arc-shaped hole is formed on the transverse plate, and the arc-shaped hole is concentrically arranged with the circular boss. The locking screw passes through the arc-shaped hole, and the locking screw is threadedly connected to the angle adjustment substrate.

[0009] Preferably, a hanging plate is installed at the rear of the transverse plate, and an angle adjustment screw is passed through the hanging plate. A convex plate is installed at the rear of the angle adjustment base plate, and the angle adjustment screw is screwed to the convex plate. The hanging plate is arranged above the convex plate, and the head of the angle adjustment screw is hung on the upper side of the hanging plate.

[0010] Preferably, the spray head assembly comprises an oil suction head for abutting against the rear side of the plate, the oil suction head is fixedly arranged relative to the longitudinal moving plate, and the oil spray head is arranged on the right side of the oil suction head.

[0011] Preferably, the right side of the oil suction head is formed with a right side surface of the oil suction head, an oil return groove is formed on the right side surface of the oil suction head, a groove mouth is formed at the right end of the oil return groove, the front end of the oil return groove passes through the oil suction head, the rear end of the oil return groove is connected to the first oil return channel, the oil spray head is formed with a left side surface of the spray head, the left side surface of the spray head is abutted against the right side surface of the oil suction head, an oil spray mouth is formed at the front end of the oil spray head, and the oil spray head has a front position and a rear position relative to the oil suction head; in the front position, the left side surface of the spray head closes the groove mouth; in the rear position, the left side surface of the spray head opens the groove mouth.

[0012] Preferably, the oil suction head is formed with a second oil return passage, a front end of the second oil return passage is formed with an oil suction port, and the second oil return passage is arranged on the left side of the oil return groove.

[0013] Preferably, the second oil return passage is arranged gradually approaching the right side of the oil suction head from back to front.

[0014] The present invention also provides a spraying method of a plate tracking spraying system using any of the above-mentioned technical solutions, which includes the following steps: Step S1: causing the plate to continuously translate to the left; Step S2: causing the lateral servo motor to drive the spray head to move forward close to the rear side of the plate; Step S3: causing the spray head to keep moving forward until it is close to the rear side of the plate, and at the same time causing the longitudinal servo motor to drive the spray head to move a certain distance to the left; Step S4: causing the spray head to remain stationary for a period of time; Step S5: causing the lateral servo motor to drive the spray head to move backward away from the rear side of the plate, and at the same time causing the longitudinal servo motor to drive the spray head to move a certain distance to the left.

[0015] Compared with the prior art, the present invention has the following beneficial effects: by setting a nozzle assembly including an oil spray head for spraying oil to the rear side of the plate, the longitudinal tracking seat is provided with a longitudinal movement plate and a longitudinal movement servo motor for driving the oil spray head to track the plate, the longitudinal movement servo motor drives the longitudinal movement plate to move left and right, the nozzle transverse movement assembly is arranged on the longitudinal movement plate, the nozzle transverse movement assembly includes a transverse movement plate and a transverse movement servo motor, the transverse movement plate is arranged to slide back and forth relative to the longitudinal movement plate, the transverse movement servo motor drives the transverse movement plate to move back and forth, and the oil spray head is arranged on the transverse movement plate, so that the oil spray head of the present invention can realize effective intermittent spraying, and can form a relatively regular spraying area, so that the spraying system and spraying method of the present invention are beneficial to improving the intermittent spraying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a left-side structural schematic diagram of the plate tracking spraying system of the present invention.

[0017] Figure 2 It is a right view structural schematic diagram of the plate tracking spraying system of the present invention.

[0018] Figure 3 It is a schematic diagram of the exploded view of the plate tracking spraying system of the present invention.

[0019] Figure 4 It is a schematic diagram of the vertical tracking seat of the present invention when viewed from above.

[0020] Figure 5 It is a left-side stereoscopic structural schematic diagram of the nozzle transverse movement assembly of the present invention.

[0021] Figure 6 It is a schematic diagram of the front three-dimensional structure of the nozzle assembly of the present invention.

[0022] Figure 7 It is a schematic diagram of the cross-sectional structure of the nozzle assembly of the present invention when viewed from above.

[0023] Figure 8 It is a schematic diagram of the exploded view of the nozzle assembly of the present invention.

[0024] Fig. 9 It is a schematic diagram of the state that the fuel injection head of the present invention is in the rear position.

[0025] Fig.10 It is a schematic diagram of the state of the nozzle assembly of the present invention spraying a plate.

[0026] Fig.11 This is a schematic diagram of the state of the spray head assembly of the present invention when spraying is paused.

[0027] Fig.12 This is a rear view schematic diagram of the rear side of a plate sprayed using the tracking spraying method.

[0028] Fig.13 It is a rear view schematic diagram of the rear side of the plate that is not sprayed using the tracking spraying method.

[0029] Explanation of reference numerals: longitudinal tracking seat 1; base 11; longitudinal movement plate 12; longitudinal movement servo motor 13; worm gear reducer 14; longitudinal movement ball screw pair 15; reset detection proximity switch 16; nozzle transverse movement assembly 2; stand 21; transverse movement plate 22; arc hole 221; angle adjustment screw 222; hanging plate 223; transverse movement servo motor 23; lifting and positioning seat 24; angle adjustment base plate 25; round boss 251; boss plate 252; transverse movement ball screw pair 26; lifting and positioning screw 27; sensor bracket 28; transverse movement Travel proximity switch 29; nozzle assembly 3; oil spray head 31; left side of the nozzle 3101; oil injection port 311; oil inlet interface 312; oil suction head 32; right side of the oil suction head 3201; oil return groove 321; groove opening 3210; groove front opening 3211; second oil return channel 322; oil suction port 3221; first oil return channel 323; oil return pipe 33; oil spray head support 34; oil suction head support 35; plate 99; rear side of the plate 991; spraying area 98; head end 981 of the spraying area; end 982 of the spraying area. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings.

[0031] The plate tracking spraying system of the present invention is as follows: Figures 1 to 3As shown, it includes a longitudinal tracking seat 1, a nozzle transverse movement assembly 2 and a nozzle assembly 3, the nozzle assembly 3 includes an oil spray head 31 for spraying oil to the rear side 991 of the plate, the longitudinal tracking seat 1 is provided with a longitudinal movement plate 12 and a longitudinal movement servo motor 13 for driving the oil spray head 31 to track the plate 99, that is, the longitudinal movement plate 12 is set to slide left and right, the plate 99 is conveyed along the longitudinal direction, the longitudinal movement servo motor 13 drives the longitudinal movement plate 12 to move left and right, the nozzle transverse movement assembly 2 is arranged on the longitudinal movement plate 12, in other words, the longitudinal movement plate 12 can drive the nozzle transverse movement assembly 2 to move left and right, the nozzle transverse movement assembly 2 includes a transverse movement plate 22 and a transverse movement servo motor 23, the transverse movement plate 22 is set to slide back and forth relative to the longitudinal movement plate 12, the transverse movement servo motor 23 drives the transverse movement plate 22 to move back and forth, the oil spray head 31 is arranged on the transverse movement plate 22, so the oil spray head 31 can be moved left and right by the longitudinal movement servo motor 13, and the oil spray head 31 can also be moved back and forth by the transverse movement servo motor 23.

[0032] The spraying method of the present invention uses the plate tracking spraying system of the present invention, and the spraying method of the present invention includes the following steps.

[0033] Step S1: Input the plate 99 into the chain conveyor of the sprayer. The chain conveyor conveys the plate 99 to the left. The sprayer is provided with a transmitting electric eye for detecting the left end of the plate 99. The control system is electrically connected to the transmitting electric eye, so that the control system can track the position of the plate 99 in real time, and make the plate 99 continuously move horizontally to the left.

[0034] Step S2: The lateral movement servo motor 23 drives the oil spray head 31 to move forward close to the rear side surface 991 of the plate.

[0035] Step S3: Fig.10 As shown, the oil spray head 31 is kept moving forward to abut against the rear side surface 991 of the plate, and at the same time, the longitudinal servo motor 13 drives the oil spray head 31 to move a distance to the left (and then stop); Fig.13 As shown, assuming that the oil spray head 31 cannot move to the left, when the front end of the oil spray head 31 moves forward and abuts against the rear side surface 991 of the plate, since the amount of oil obtained by the rear side surface 991 of the plate always increases from small to large, and the plate 99 moves to the left at a relatively fast speed, the oil that first contacts the rear side surface 991 of the plate is moved to the left (dragged) by the plate 99. As the front end of the oil spray head 31 gets closer to the rear side surface 991 of the plate, the amount of oil obtained by the rear side surface 991 of the plate gradually increases, so that the rear side surface 991 of the plate is covered with oil in the height direction. However, in the above process, a Fig.13 The pointed end 981 of the spraying area shown in the figure, that is, the spraying area end 981 is gradually reduced from left to right (it should be noted that due to Fig.13 is a rear view, so when viewed from the rear, the plate 99 moves to the right); Fig.12As shown, when the plate tracking spraying system of the present invention is used to spray the rear side surface 991 of the plate, because the oil spray head 31 moves forward and approaches the rear side surface 991 of the plate, the oil spray head 31 moves to the left at the same time, thereby reducing the speed difference between the oil spray head 31 and the plate 99 (in the left direction), so that the head end 981 of the spraying area obtains a relatively large amount of oil, which can reduce the formation of the above-mentioned sharp-angled head end 981 of the spraying area. That is to say, Fig.12 As shown, the right end of the first end 981 of the spraying area is more uniform, that is, the right end line of the first end 981 of the spraying area is closer to a vertical line; specifically, the leftward movement speed of the oil spray head 31 can be the same as the conveying speed of the plate 99, that is, the oil sprayed by the oil spray head 31 is approximately synchronously attached to the rear side 991 of the plate, so that the rightmost end of the first end 981 of the spraying area can obtain more sufficient oil. The above-mentioned "the oil spray head 31 moves a distance to the left" corresponds to the moving speed of the plate 99. When the conveying speed of the plate 99 increases, the distance that the oil spray head 31 moves to the left increases accordingly. In actual application, for a conventional sprayer, the above-mentioned "the oil spray head 31 moves a distance to the left" is about 5 to 15 mm.

[0036] Step S4: The fuel injection head 31 is allowed to remain stationary for a period of time (during which the fuel injection head 31 keeps injecting fuel), such as Fig.12 As shown, the main part of the spraying area 98 can be formed by spraying on the rear side 991 of the plate.

[0037] Step S5: The lateral servo motor 23 drives the oil spray head 31 to move backward away from the rear side surface 991 of the plate, and the longitudinal servo motor 13 drives the oil spray head 31 to move a certain distance to the left. Fig.13 As shown, assuming that the oil spray head 31 does not move to the left, the oil spray head 31 directly moves backward away from the rear side surface 991 of the plate. Since the amount of oil obtained by the rear side surface 991 of the plate has a gradually decreasing process, and the plate 99 keeps moving to the left, a sharp angle spray area end 982 with a larger right side and a smaller left side will be formed; Fig.13 As shown, the tracking spraying system of the present invention can make the oil spray head 31 move to the left while leaving the plate 99, reducing the speed difference between the oil spray head 31 and the plate 99, thereby reducing the dragging phenomenon of the oil at the end 982 of the spraying area, and forming a more neat end 982 of the spraying area. For example, the leftward movement speed of the oil spray head 31 is the same as the leftward movement speed of the plate 99. Fig.12 As shown, by repeating the above steps S1 to S5, the next spraying area 98 can be sprayed and formed. The specific length and position of the spraying area 98 can be adjusted by the control system.

[0038] By using the plate tracking spraying system and spraying method of the present invention, a relatively regular spraying area 98 can be formed, and the length (in the left and right direction) of the spraying area 98 can be adjusted by controlling the static time of the spray head 31 in step S4. As can be seen from the above, the plate tracking spraying system of the present invention can effectively intermittently spray the same plate 99 by setting a transverse servo motor 23 to drive the spray head 31 to move forward and backward, and by setting a longitudinal servo motor 13 to drive the spray head 31 to track the rear side 991 of the sprayed plate to form a relatively neat spraying area head 981 and spraying area end 982, so that the spraying system and spraying method of the present invention are conducive to improving the intermittent spraying effect.

[0039] Furthermore, if Figure 3 and Figure 4 As shown, the longitudinal tracking seat 1 includes a base 11, a worm gear reducer 14, a longitudinal ball screw pair 15 and a reset detection proximity switch 16, the control system is electrically connected to the reset detection proximity switch 16, the control system controls the connection of the longitudinal servo motor 13 and the transverse servo motor 23, the longitudinal plate 12 is slidably arranged on the base 11 through the corresponding linear guide rail, the screw of the longitudinal ball screw pair 15 is rotatably connected to the base 11, and the nut of the longitudinal ball screw pair 15 is installed at the bottom of the longitudinal plate 12, as shown in FIG. Figure 3 As shown, the longitudinal servo motor 13 is installed at the input end of the worm gear reducer 14, and the output end of the worm gear reducer 14 is connected to the screw of the longitudinal ball screw pair 15, so that the longitudinal servo motor 13 drives the screw of the longitudinal ball screw pair 15 to rotate through the worm gear reducer 14, so that the longitudinal servo motor 13 can drive the longitudinal plate 12 to move left and right, as shown in FIG. Figure 3 As shown, the reset detection proximity switch 16 is arranged on the left side of the longitudinal movement plate 12. When the spray head 31 finishes spraying a section of the spraying area 98, the control system controls the longitudinal movement servo motor 13 to drive the longitudinal movement plate 12 to move left to trigger the reset detection proximity switch 16, and completes the return of the longitudinal movement plate 12 to the zero position to avoid the accumulation of position errors of the longitudinal movement plate 12. Then the control system moves the longitudinal movement plate 12 to the right according to the setting. When it is necessary to spray the next section of the spraying area 98, the control system controls the movement of the spray head 31 according to the spraying method described above.

[0040] Furthermore, if Figure 3 and Figure 5As shown, the nozzle transverse movement assembly 2 includes a stand 21, a lifting and adjusting seat 24 and a lifting and adjusting screw 27. The lower end of the stand 21 is connected to the upper side of the longitudinal movement plate 12 by corresponding screws, and the lifting and adjusting seat 24 is connected to one side of the stand 21 by sliding up and down through a dovetail groove structure. The lifting and adjusting screw 27 is rotatably connected to the stand 21, and the axis of the lifting and adjusting screw 27 is along the up and down direction. The lifting and adjusting screw 27 is screwed to the lifting and adjusting seat 24, and the transverse movement plate 22 is connected to the lifting and adjusting seat 24 by sliding back and forth through a corresponding linear guide pair, and the transverse movement servo motor 23 is installed on the lifting and adjusting seat 24; therefore, rotating the lifting and adjusting screw 27 can adjust the transverse movement plate 22 up and down, that is, the spray head 31 can be adjusted up and down by a small amplitude, which is conducive to flexibly adjusting the spray head 31 to a suitable working position (in the up and down direction). For example, the height position of the spray head 31 can be quickly adjusted to adapt to the height position of the part of the plate 99 that needs to be sprayed.

[0041] Furthermore, if Figure 4 and Figure 5 As shown, the nozzle transverse movement assembly 2 includes an angle adjustment base plate 25 and a locking screw. The angle adjustment base plate 25 is installed on one side (specifically the left side) of the lifting and adjusting seat 24. The transverse movement plate 22 is swingably connected to the angle adjustment base plate 25, that is, the transverse movement plate 22 can be swung and adjusted relative to the angle adjustment base plate 25. The transverse movement plate 22 is extended along the left and right direction relative to the swing axis of the angle adjustment base plate 25. That is to say, the transverse movement plate 22 can swing up and down. The transverse movement plate 22 is relatively fixed to the angle adjustment base plate 25 by the locking screw. Through the above arrangement, when the plate 99 is When the rear side surface 991 of the plate is an inclined surface (the rear side surface 991 of the plate forms an acute angle or an obtuse angle with the bottom of the plate 99), the locking screws can be loosened, and then the transverse plate 22 can be swung up and down to adjust the position so that the angle of the oil spray head 31 is adapted to the inclination angle of the rear side surface 991 of the plate, and the height position of the oil spray head 31 can be adjusted by lifting and adjusting the screw 27 so that the front end surface of the oil spray head 31 can be properly attached to the rear side surface 991 of the plate. When the position of the oil spray head 31 is adjusted, the locking screws are tightened to restore the relative fixation between the transverse plate 22 and the angle adjustment base plate 25. Figure 5 As shown, the lateral movement servo motor 23 drives the angle adjustment base plate 25 through the lateral movement ball screw pair 26 .

[0042] Furthermore, if Figure 5As shown, a circular boss 251 is formed on the left front portion of the angle adjustment substrate 25, and the circular boss 251 is adapted to be relatively rotatable and arranged in the transverse plate 22. In other words, a circular hole is formed on the front portion of the transverse plate 22, and the circular boss 251 is clearance-fitted in the above circular hole. That is to say, the axis of the circular boss 251 is extended along the left-right direction, and the transverse plate 22 is abutted against and connected to the angle adjustment substrate 25 in the left-right direction. An arc hole 221 is formed on the transverse plate 22, and the arc hole 221 is concentrically arranged with the circular boss 251. The above locking screw passes through the arc hole 221, and the above locking screw is threadedly connected to the angle adjustment substrate 25. Through the above arrangement, after loosening the above locking screw, the transverse plate 22 can be swung and adjusted around the circular boss 251. During this period, the above locking screw will slide relatively in the corresponding arc hole 221. Since the transverse plate 22 is abutted against and connected to the angle adjustment substrate 25 in the left-right direction, it is beneficial to make the combined structure of the transverse plate 22 and the angle adjustment substrate 25 compact and stable.

[0043] Furthermore, if Figure 5 As shown, a hanging plate 223 is installed at the rear of the transverse plate 22, and the hanging plate 223 is penetrated by an angle adjustment screw 222. In other words, a penetration hole is formed on the hanging plate 223, and the angle adjustment screw 222 passes through the penetration hole, and there is a large gap between the penetration hole and the angle adjustment screw 222, but the head of the angle adjustment screw 222 cannot pass through the penetration hole. A convex plate 252 is installed at the rear of the angle adjustment base plate 25, and the angle adjustment screw 222 is screwed to the convex plate 252, and the hanging plate 223 is arranged above the convex plate 252. , there is a sufficient gap between the protruding plate 252 and the hanging plate 223, and the head of the angle adjustment screw 222 is hung on the upper side of the hanging plate 223; when the above-mentioned locking screw is loosened, the angle adjustment screw 222 is rotated to make the head of the angle adjustment screw 222 move downward, and the head of the angle adjustment screw 222 will press down the hanging plate 223, so that the hanging plate 223 moves downward, so that the transverse plate 22 can be swung and adjusted. The transverse plate 22 is driven to swing by the angle adjustment screw 222, which is conducive to the swing adjustment of the transverse plate 22, saving effort and easy to fine-tune.

[0044] like Figure 6 and Figure 8 As shown, the spray head assembly 3 includes a spray head support 34, and the spray head 31 is relatively fixedly installed at the front end of the spray head support 34. Figure 1 Combination Figure 3 As shown, the rear portion of the fuel injection head support 34 is mounted on the left side of the transverse plate 22 by corresponding screws.

[0045] Furthermore, if Figure 6As shown, the nozzle assembly 3 includes an oil suction head 32 for abutting against the rear side surface 991 of the plate. Specifically, the nozzle assembly 3 includes an oil return pipe 33 and an oil suction head support 35. The oil suction head 32 is installed on the front side of the oil suction head support 35, the front end of the oil return pipe 33 is installed on the rear side of the oil suction head support 35, and the rear end of the oil return pipe 33 is used to connect to the vacuum pump. The oil suction head 32 is relatively fixedly arranged with the longitudinal movement plate 12. Specifically, the oil suction head support 35 is installed on a connecting frame (it should be noted that the above-mentioned connecting frame is not drawn in each figure), and the above-mentioned connecting frame is installed to the longitudinal movement plate 12, so that the oil suction head 32 can move left and right with the oil spray head 31. The oil spray head 31 is arranged on the right side of the oil suction head 32. Since the plate 99 moves from right to left, as shown in FIG. Fig.10 As shown, the oil is sprayed onto the rear side surface 991 of the plate through the oil spray head 31, and then the excess oil is sucked and recovered by the oil suction head 32, which can prevent the oil on the rear side surface 991 of the plate from being too thick and causing convex droplets to appear at the lower end of the rear side surface 991 of the plate.

[0046] Furthermore, if Figure 8 As shown, the right side of the oil suction head 32 is formed with an oil suction head right side surface 3201, and an oil return groove 321 is formed on the oil suction head right side surface 3201. The right end of the oil return groove 321 is formed with a groove opening 3210. In other words, the oil return groove 321 is set to open to the right, and the front end of the oil return groove 321 passes through the oil suction head 32. Figure 7 As shown, the front opening 3211 of the groove is formed, and the rear end of the oil return groove 321 is connected to the first oil return passage 323. In other words, the first oil return passage 323 is formed in the oil suction head 32, and the oil injection head 31 is formed with a left side surface 3101 of the injection head, and the left side surface 3101 of the injection head is a vertical plane. The left side surface 3101 of the injection head is close to the right side surface 3201 of the oil suction head, and the front end of the oil injection head 31 is formed with an oil injection port 311, as shown in FIG. Figure 6 and Figure 7 As shown, the top of the oil injection head 31 is formed with an oil inlet interface 312, and the lower part of the oil inlet interface 312 is connected to the oil injection port 311, and the oil is input into the oil injection head 31 through the oil injection port 311. The oil injection head 31 is driven to move forward and backward by the lateral servo motor 23, so that the oil injection head 31 has a front position and a rear position relative to the oil suction head 32; Figure 6 and Figure 7 As shown, in the front position, the left side 3101 of the spray head closes the groove opening 3210. Specifically, the front end surface of the spray head 31 is flush with the front end surface of the oil suction head 32. Fig. 9 As shown, the left side 3101 of the nozzle opens the groove opening 3210, that is, the left side 3101 of the nozzle moves backward to open the groove opening 3210. In other words, the lateral movement servo motor 23 can also realize the function of opening and closing the groove opening 3210. Figure 7As shown, the rear end of the first oil return passage 323 is connected to the oil return pipe 33. In other words, the front opening 3211 of the groove is connected to the first oil return passage 323. Fig.10 As shown, when the oil spray head 31 is in the spraying state, the oil spray port 311 sprays oil to the rear side surface 991 of the plate, and because the plate 99 moves to the left, the oil just sprayed on the rear side surface 991 of the plate moves to the front opening 3211 of the groove, and the front opening 3211 of the groove absorbs excess oil through negative pressure. Fig.11 As shown, when spraying of a spraying area 98 is completed, the oil spray head 31 moves backward to gradually open the groove opening 3210. Since the rear end of the oil return groove 321 is connected to the first oil return channel 323, a negative pressure is formed at the rear end of the oil return groove 321. When the oil spray port 311 leaves the rear side surface 991 of the plate, the oil sprayed from the oil spray port 311 can be immediately absorbed by the groove front opening 3211 and the oil return groove 321, avoiding the accumulation of oil at the right front end of the oil suction head 32, thereby avoiding the obvious dragging of excess oil at the end 982 of the spraying area, which is conducive to making the end 982 of the spraying area neat. Since the oil sprayed forward by the oil spray port 311 has a short range, when the oil spray port 311 moves backward to the above-mentioned rear position, the oil sprayed from the oil spray port 311 will not be stained with the plate 99; and the oil return groove 321 can effectively recover the oil sprayed from the oil spray port 311 during the subsequent backward movement of the oil spray port 311, which is conducive to the rapid recovery of the oil.

[0047] like Figure 5 As shown, a sensor bracket 28 is installed on the lifting and adjusting seat 24, and a long hole extending in the front-to-back direction is formed on the sensor bracket 28. Two transverse stroke proximity switches 29 are installed in the long hole. The rear upper end of the angle adjustment substrate 25 can trigger the transverse stroke proximity switch 29. Specifically, when the rear upper end of the angle adjustment substrate 25 moves forward away from the transverse stroke proximity switch 29 located in the front position, the transverse stroke proximity switch 29 located in the front position is disconnected, and the control system knows that the injector head 31 is in the above-mentioned front position. When the rear upper end of the angle adjustment substrate 25 moves backward and triggers the transverse stroke proximity switch 29 located in the rear position, the control system knows that the injector head 31 is in the above-mentioned rear position.

[0048] Furthermore, if Figure 7 and Fig.10As shown, the oil suction head 32 is formed with a second oil return channel 322, and an oil suction port 3221 is formed at the front end of the second oil return channel 322. The second oil return channel 322 is arranged on the left side of the oil return groove 321, so the oil suction port 3221 enhances the effect of absorbing excess oil, that is, most of the excess oil on the rear side surface 991 of the plate is absorbed by the front mouth 3211 of the groove, and the excess oil on the rear side surface 991 of the plate is then moved to the left to the oil suction port 3221, and the oil suction port 3221 further absorbs the excess oil, which is beneficial to forming a uniform paint layer after the oil on the rear side surface 991 of the plate dries, and is also beneficial to saving oil.

[0049] Furthermore, if Figure 7 As shown, the second oil return passage 322 is gradually arranged close to the right side surface 3201 of the oil suction head from the back to the front. In other words, the second oil return passage 322 forms an acute angle with the right side surface 3201 of the oil suction head. Fig.10 As shown, because the oil on the rear side surface 991 of the plate moves to the left, the excess oil is absorbed by the oil suction port 3221 and leaves the rear side surface 991 of the plate. Due to inertia, the excess oil still has a tendency to move to the left. Through the above arrangement, the second oil return channel 322 is tilted to face the excess oil, so that the excess oil can enter the second oil return channel 322 faster and more smoothly. Fig.10 As shown, the second oil return passage 322 may be parallel to the first oil return passage 323 .

Claims

1. A plate tracking spraying system, characterized in that: The invention comprises a longitudinal tracking seat (1), a nozzle transverse movement assembly (2) and a nozzle assembly (3), wherein the nozzle assembly (3) comprises an oil spray head (31) for spraying oil onto the rear side surface (991) of a plate, the longitudinal tracking seat (1) is provided with a longitudinal movement plate (12) and a longitudinal movement servo motor (13) for driving the oil spray head (31) to track the plate (99), the longitudinal movement servo motor (13) drives the longitudinal movement plate (12) to move left and right, the nozzle transverse movement assembly (2) is arranged on the longitudinal movement plate (12), the nozzle transverse movement assembly (2) comprises a transverse movement plate (22) and a transverse movement servo motor (23), the transverse movement plate (22) is arranged to slide forward and backward relative to the longitudinal movement plate (12), the transverse movement servo motor (23) drives the transverse movement plate (22) to move forward and backward, and the oil spray head (31) is arranged on the transverse movement plate (22).

2. The plate tracking spraying system according to claim 1, characterized in that: The nozzle transverse movement assembly (2) comprises a stand (21), a lifting and adjusting seat (24) and a lifting and adjusting screw (27); the lower end of the stand (21) is installed and connected to the upper side of the longitudinal movement plate (12); the lifting and adjusting seat (24) is slidably connected to one side of the stand (21) up and down; the lifting and adjusting screw (27) is rotatably connected to the stand (21); the lifting and adjusting screw (27) is screwed to the lifting and adjusting seat (24); the transverse movement plate (22) is slidably connected to the lifting and adjusting seat (24) back and forth; and the transverse movement servo motor (23) is installed on the lifting and adjusting seat (24).

3. The plate tracking spraying system according to claim 2, characterized in that: The nozzle transverse movement assembly (2) comprises an angle adjustment substrate (25) and a locking screw. The angle adjustment substrate (25) is mounted on one side of the lifting and adjusting seat (24). The transverse movement plate (22) is swingably connected to the angle adjustment substrate (25). The swing axis of the transverse movement plate (22) extends in the left-right direction. The transverse movement plate (22) is relatively fixed to the angle adjustment substrate (25) via the locking screw.

4. The plate tracking spraying system according to claim 3, characterized in that: A circular boss (251) is formed at the front of the angle adjustment substrate (25), and the circular boss (251) is adapted to be relatively rotatably arranged inside the transverse plate (22). The transverse plate (22) is abutted against the angle adjustment substrate (25) in the left-right direction. An arc-shaped hole (221) is formed on the transverse plate (22), and the arc-shaped hole (221) is concentrically arranged with the circular boss (251). The locking screw passes through the arc-shaped hole (221), and the locking screw is screwed to the angle adjustment substrate (25).

5. The plate tracking spraying system according to claim 4, characterized in that: A hanging plate (223) is installed at the rear of the transverse plate (22), and an angle adjustment screw (222) is installed on the hanging plate (223). A convex plate (252) is installed at the rear of the angle adjustment base plate (25), and the angle adjustment screw (222) is screwed to the convex plate (252). The hanging plate (223) is arranged above the convex plate (252), and the head of the angle adjustment screw (222) is hung on the upper side of the hanging plate (223).

6. The plate tracking spraying system according to claim 1, characterized in that: The spray head assembly (3) comprises an oil suction head (32) for abutting against the rear side surface (991) of the plate, the oil suction head (32) being fixedly arranged relative to the longitudinally movable plate (12), and the oil spray head (31) being arranged on the right side of the oil suction head (32).

7. The plate tracking spraying system according to claim 6, characterized in that: The right side of the oil suction head (32) is formed with an oil suction head right side surface (3201), the right side surface (3201) of the oil suction head is formed with an oil return groove (321), the right end of the oil return groove (321) is formed with a groove opening (3210), the front end of the oil return groove (321) passes through the oil suction head (32), the rear end of the oil return groove (321) is connected to the first oil return passage (323), and the oil injection head (31) is formed with a nozzle left side surface (310). 01), the left side surface (3101) of the spray head is closely connected to the right side surface (3201) of the oil suction head, an oil spray port (311) is formed at the front end of the spray head (31), and the spray head (31) has a front position and a rear position relative to the oil suction head (32); in the front position, the left side surface (3101) of the spray head closes the groove port (3210); in the rear position, the left side surface (3101) of the spray head opens the groove port (3210).

8. The plate tracking spraying system according to claim 7, characterized in that: The oil suction head (32) is formed with a second oil return passage (322), a front end of the second oil return passage (322) is formed with an oil suction port (3221), and the second oil return passage (322) is arranged on the left side of the oil return groove (321).

9. The plate tracking spraying system according to claim 8, characterized in that: The second oil return passage (322) is arranged to gradually approach the right side (3201) of the oil suction head from the back to the front.

10. A spraying method, characterized in that: Using the plate tracking spraying system according to any one of claims 1 to 9, the spraying method comprises the following steps: Step S1: the plate (99) is continuously translated to the left; Step S2: causing the transverse servo motor (23) to drive the oil spray head (31) to move forward close to the rear side surface (991) of the plate; Step S3: the oil spray head (31) is moved forward to abut against the rear side surface (991) of the plate, and at the same time, the longitudinal movement servo motor (13) drives the oil spray head (31) to move a certain distance to the left; Step S4: allowing the oil injection head (31) to remain stationary for a period of time; Step S5: the transverse movement servo motor (23) drives the oil spray head (31) to move backward away from the rear side surface (991) of the plate, and at the same time the longitudinal movement servo motor (13) drives the oil spray head (31) to move a certain distance to the left.

Images