Automatic in-out paint spraying production line compatible with multi-specification building templates

Abstract

The utility model relates to the technical field of automatic paint spraying of building templates, in particular to an automatic in-out paint spraying production line compatible with building templates of multiple specifications. The paint spraying device structurally comprises a paint spraying room, a water curtain cabinet is arranged in the paint spraying room, the water curtain cabinet is communicated with an external waste gas treatment system through a pipeline, the waste gas treatment system provides negative pressure for the paint spraying room, and a three-axis paint spraying machine, a jacking, transferring and conveying mechanism and an internal tooth rotary disc are further arranged in the paint spraying room. The inner tooth rotary disc is arranged in the jacking, transferring and conveying mechanism, and the feeding deviation rectifying mechanism assembly and the discharging deviation rectifying mechanism assembly are arranged on the two sides of the jacking, transferring and conveying mechanism respectively. The production efficiency is greatly improved, and the environmental pollution is reduced.

Description

Technical Field

[0001] This utility model relates to the field of automatic painting technology for building formwork, and in particular to an automatic in-and-out painting production line compatible with multiple specifications of building formwork. Background Technology

[0002] In the construction formwork industry, there are two main methods for painting packaged formwork materials: 1. Manual painting using a handheld spray gun. 2. Semi-automatic painting production line, where manual loading involves using a forklift to place the materials onto a turntable, requiring precise alignment within the infrared marking area of ​​the paint booth.

[0003] The disadvantages of existing technology are:

[0004] 1. The existing semi-automatic painting production line has a low material loading method because a package of template material weighs about 3 tons, and it is very difficult to move and align it with small parts using a manual forklift.

[0005] The existing semi-automatic spray painting production line lacks a material loading and unloading mechanism, requiring material loading and unloading to be completed after painting. This adds approximately 5 minutes to the cycle time of spraying one bag of material.

[0006] The rotary table mechanism in existing semi-automatic painting production lines requires digging a pit before installation. This is costly, and if the production line needs to be redesigned in the future, the pit will need to be dug and filled again, resulting in low flexibility in equipment layout.

[0007] In existing semi-automatic painting production lines, material loading is done manually. If the loading is significantly off-center, it can cause the painting equipment to exceed its limits and prevent painting operations from taking place. In some cases, if the material is not aligned properly and its center of gravity is not in the center of the turntable, the entire package of material will shift out of place when the turntable accelerates. Summary of the Invention

[0008] To address the problems of existing technologies, this utility model provides an automated in-and-out painting production line compatible with multi-specification building templates. It occupies a small area, completes the painting process accurately and quickly, and the painting area is precisely controllable, greatly improving production efficiency and reducing environmental pollution.

[0009] The technical solution adopted in this utility model is as follows:

[0010] An automated painting production line compatible with multi-specification building templates includes a spray booth with a water curtain cabinet inside. The water curtain cabinet is connected to an external exhaust gas treatment system via pipelines. The exhaust gas treatment system provides negative pressure to the spray booth. The spray booth also includes a three-axis painting machine, a lifting and transferring conveyor mechanism, and an internal gear rotary table. The internal gear rotary table is located inside the lifting and transferring conveyor mechanism. The three-axis painting machine is used to automatically paint the building templates inside the spray booth. The internal gear rotary table is used to fix the building templates and rotate them. The lifting and transferring conveyor mechanism has an infeed correction mechanism assembly and an outfeed correction mechanism on both sides. The assembly of the mechanism includes a feeding and correction mechanism assembly, which moves the building template to be painted to one side of the lifting and transferring conveyor mechanism and corrects its direction of travel in real time. The lifting and transferring conveyor mechanism places the building template on the internal gear rotary table and removes the painted building template from the internal gear rotary table, conveying it to the discharge and correction mechanism assembly on the other side of the lifting and transferring conveyor mechanism. The discharge and correction mechanism assembly is used to move the painted building template out of the paint booth. The exhaust gas treatment system, the three-axis paint sprayer, the internal gear rotary table, the lifting and transferring conveyor mechanism, the feeding and correction mechanism assembly, and the discharge and correction mechanism assembly are all electrically connected to the PLC control system.

[0011] Preferably, the exhaust gas treatment system includes a water mist separator, an activated carbon cabinet, and a centrifugal fan. One side of the water mist separator is connected to the water curtain cabinet via a pipeline, and the other side is connected to the activated carbon cabinet via a pipeline. The activated carbon cabinet is connected to the centrifugal fan via a pipeline, and the centrifugal fan has an air duct installed at its air inlet.

[0012] Preferably, the lifting and transferring conveying mechanism includes a frame assembly, on both sides of which are respectively provided a set of chain and sprocket assemblies driven by servo motors. The servo motors drive the chains of the chain and sprocket assemblies on both sides to move simultaneously, thereby transporting the building template material placed above the chain. A first lifting mechanism is also provided on the outside of the chain, which is used to lift and raise the building template material.

[0013] Preferably, the feeding correction mechanism assembly or the discharging correction mechanism assembly both include a non-powered roller assembly, with a correction conveyor line arranged behind the non-powered roller assembly. A correction sensor assembly is arranged on one side of the correction conveyor line. The correction conveyor line and the correction sensor assembly are electrically connected to a PLC control system. The correction sensor assembly transmits the detected building template material data to the PLC control system, and the PLC control system controls the correction conveyor line to perform correction.

[0014] Preferably, the correction conveyor line includes at least two parallel connecting rod weldments. Each connecting rod weldment has a parallel left correction frame weldment and a right correction frame weldment at both ends. A left rail is mounted on the left correction frame weldment, and a left chain is mounted within the left rail. One end of the left chain is wound around a left driven sprocket assembly at the front end of the left correction frame weldment, and the other end is wound around a left driving sprocket assembly at the rear end of the left correction frame weldment. The left driving sprocket assembly is linked to a left servo motor via a left reducer mechanism. The right correction frame weldment is equipped with... A right rail is provided, and a right chain is installed inside the right rail. One end of the right chain is wound around the right driven sprocket group at the front end of the right correction frame weldment, and the other end is wound around the right driving sprocket group at the rear end of the right correction frame weldment. The right driving sprocket group is linked to a right servo motor through a right reducer mechanism. The left and right servo motors are electrically connected to the PLC control system. A second lifting mechanism is also provided on the outside of the left and right correction frame weldments, and the second lifting mechanism is electrically connected to the PLC control system.

[0015] The beneficial effects of the technical solution provided by this utility model are:

[0016] 1. The addition of infeed and outfeed correction components improves material handling efficiency, saving approximately 5 minutes per package: adjusting material parallelism is faster, and the infeed and outfeed correction components can also buffer materials for turnover;

[0017] 2. If multiple packages of material need to be buffered, a feeding and discharging correction mechanism can be added to meet the requirements. Buffering multiple packages of material during feeding can increase the curing time of the previously applied putty, resulting in higher putty viscosity, less tendency to peel off during use, and higher durability. Buffering multiple packages of material during feeding also allows workers more flexibility in scheduling their work.

[0018] 3. The ultra-low lifting function of both the first and second lifting mechanisms not only meets the lifting height requirements of manual forklifts but also integrates with the paint transfer conveyor line in the paint booth, providing structural space for the internal gear turntable, eliminating the need for digging a pit for its installation. This results in high flexibility in the equipment layout of the template workshop.

[0019] 4. Saves labor costs: Saves nearly one worker, as the worker no longer needs to do the painting work, saving time to assist other processes;

[0020] 5. Saves paint: The three-axis spray painting machine sprays paint more evenly and the amount of paint can be controlled. Compared with manual spraying, it saves 1 / 3 of the amount of paint for the same pack of templates.

[0021] 6. The automated spray painting operation mode, based on the current production of 100 packages of boards per day, requires 4 square meters per package, totaling 400 square meters of space. However, using a spray painting booth, the painted templates can be directly stacked, saving approximately 3 / 4 of the space. This significantly reduces factory rental costs for template manufacturers.

[0022] 7. Waterproofing effect: Even spraying eliminates the problems of insufficient or missed spraying caused by manual spraying, resulting in more stable waterproofing quality and greater durability of the template;

[0023] 8. Automated loading and unloading eliminates the need for manual forklift handling, which can lead to slippage and difficulty in adjustment when pulling the forklift into the paint booth. (The paint booth contains paint, which can easily cause the forklift to slip when handling a 3-ton load.)

[0024] 9. The internal gear rotary table does not require digging a pit for installation, making maintenance more convenient. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a three-dimensional view of the overall structure of an automatic in-and-out spray painting production line compatible with multi-specification building templates according to this utility model.

[0027] Figure 2 This is a three-dimensional view of the overall structure of a lifting and transferring conveying mechanism for an automatic in-and-out painting production line compatible with multiple specifications of building templates, according to this utility model.

[0028] Figure 3 This is a three-dimensional view of the overall structure of the feeding correction mechanism assembly or the discharging correction mechanism assembly of an automatic infeeding and outfeeding paint spraying production line compatible with multiple specifications of building templates according to this utility model.

[0029] Figure 4 This is a three-dimensional structural view of a correction conveyor line for an automatic in-and-out painting production line compatible with multiple specifications of building templates, according to this utility model. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0031] Example 1

[0032] As attached Figure 1 , 2As shown in this embodiment, an automatic in-and-out painting production line compatible with multi-specification building templates includes a spray booth 1, a water curtain cabinet 2 installed inside the spray booth, and the water curtain cabinet 2 connected to an external exhaust gas treatment system via pipelines. The exhaust gas treatment system provides negative pressure to the spray booth 1. The spray booth 1 also includes a three-axis painting machine 3, a lifting and transferring conveying mechanism 4, and an internal gear rotary table 5. The internal gear rotary table 5 is located inside the lifting and transferring conveying mechanism 4. The three-axis painting machine 3 is used to automatically paint the building templates inside the spray booth 1. The internal gear rotary table 5 is used to fix the building templates and rotate them. Feeding and correction mechanisms are respectively installed on both sides of the lifting and transferring conveying mechanism 4. The assembly consists of a feeding correction mechanism 6 and a discharge correction mechanism 7. The feeding correction mechanism 6 is used to move the building template to be painted to one side of the lifting and transferring conveyor 4 and correct its direction of travel in real time. The lifting and transferring conveyor 4 places the building template on the internal gear rotary table 5 and removes the painted building template from the internal gear rotary table, conveying it to the discharge correction mechanism 7 on the other side of the lifting and transferring conveyor 4. The discharge correction mechanism 7 is used to move the painted building template out of the paint booth. The exhaust gas treatment system, the three-axis paint sprayer, the internal gear rotary table, the lifting and transferring conveyor, the feeding correction mechanism 7, and the discharge correction mechanism 7 are all electrically connected to the PLC control system.

[0033] The exhaust gas treatment system of this embodiment includes a water mist separator 8, an activated carbon cabinet 9, and a centrifugal fan 10. The water mist separator 8 is connected to the water curtain cabinet 2 on one side through a pipeline and to the activated carbon cabinet 9 on the other side through a pipeline. The activated carbon cabinet 9 is connected to the centrifugal fan 10 through a pipeline. The centrifugal fan 10 is provided with an air duct 11 at its air inlet.

[0034] As attached Figure 3 As shown, the lifting and transfer conveying mechanism 4 in this embodiment includes a frame assembly 41. A set of chain and sprocket assemblies 43 driven by a servo motor set 42 is respectively arranged on both sides of the frame assembly 41. The servo motor set 42 drives the chains 44 of the chain and sprocket assemblies on both sides to move simultaneously, thereby transporting the building template material placed on the chain 44. A first lifting mechanism 45 is also arranged on the outside of the chain 44. The first lifting mechanism 45 is used to lift and raise the building template material.

[0035] As attached Figure 4As shown, the feeding and correction mechanism assembly 6 in this embodiment includes a non-powered roller group 61. A correction conveyor line 62 is arranged behind the non-powered roller group 61. A correction sensor assembly 63 is arranged on one side of the correction conveyor line 62. The correction conveyor line 62 and the correction sensor assembly 63 are electrically connected to the PLC control system. The correction sensor assembly 63 transmits the detected building template material data to the PLC control system. The PLC control system controls the correction conveyor line to perform correction.

[0036] The correction conveyor line 62 in this embodiment includes at least two parallel connecting rod weldments 621. Each connecting rod weldment 621 has a parallel left correction frame weldment 622 and a right correction frame weldment 623 connected to its two ends. A left rail 6221 is provided on the left correction frame weldment 622, and a left chain 6222 is provided inside the left rail 6221. One end of the left chain 6222 is wound around the left driven sprocket assembly 6223 at the front end of the left correction frame weldment, and the other end is wound around the left driving sprocket assembly 6224 at the rear end of the left correction frame weldment. The left driving sprocket assembly 6224 is linked to a left servo motor 6226 via a left reducer mechanism 6225. The right correction frame weldment 623 is equipped with... A right rail 6231 is provided, within which a right chain 6232 is installed. One end of the right chain 6232 is wound around the right driven sprocket group 6233 at the front end of the right correction frame weldment, and the other end is wound around the right drive sprocket group 6234 at the rear end of the right correction frame weldment. The right drive sprocket group 6234 is linked to a right servo motor 6236 through a right reducer mechanism 6235. The left servo motor 6226 and the right servo motor 6236 are electrically connected to the PLC control system. A second lifting mechanism 624 is also provided on the outer side of the left correction frame weldment 622 and the right correction frame weldment 623, and the second lifting mechanism 624 is electrically connected to the PLC control system.

[0037] The structure of the discharge correction mechanism assembly 7 is the same as that of the feed correction mechanism assembly 6, and will not be described again.

[0038] The production line in this embodiment is compatible with three specifications of the whole package template material: ① 1830mm long x 915mm wide, ② 1830mm long x 1220mm wide, ③ 2440mm long x 1220mm wide.

[0039] The material feeding process in the spray booth mainly involves loading materials, correcting deviations, and preparing materials.

[0040] The material is manually forked onto the feeding and correction mechanism assembly 6 at an initial height of 140mm using a forklift. When the start button is pressed, the PLC controls the servo motor to synchronously drive the chain to convey the material forward. When the photoelectric sensor in the correction sensor assembly 63 detects that the material has moved from being present to being absent, the conveyor line stops moving forward.

[0041] Simultaneously, when the laser sensor of the correction sensor assembly 63 detects material, the PLC automatically executes the correction scheme: two laser sensors measure the distance to the material in real time and send the measured data to the PLC. The PLC calculates the tilt angle of the material based on the distance difference between the two points and controls two independent left servo motors 6226 and right servo motors 6236 to move back and forth. Under the correction of the material's movement along the two conveyor lines, its side is made parallel to the conveyor lines. The correction action is completed when the distances measured by the two laser sensors are equal.

[0042] After correction, the second lifting mechanism 624 in the correction mechanism lifts the correction conveyor line upward (lifting height 181mm) and conveys the material forward to the front end of the feeding correction mechanism assembly 6, waiting to enter the paint booth for painting.

[0043] The painting process inside the spray booth: This process mainly involves transporting the materials to the internal gear rotary table 5 at the painting station, and then conveying the painted materials out of the spray booth. After the previous batch of templates in the spray booth has been painted, the double doors of the spray booth open, and the materials in the spray booth are conveyed out of the spray booth by the discharge correction mechanism assembly 7. At the same time, the materials of the infeed correction mechanism assembly 6 are simultaneously conveyed into the spray booth.

[0044] The lifting and transfer conveying mechanism 4 in the paint booth is 181mm above the ground when it receives the correction mechanism assembly. After receiving the material, the hydraulic cylinder lifts the lifting and transfer conveying mechanism 4 to 286mm and conveys the material to the position above the internal gear rotary table (the rotary table is 235mm above the ground). Then the hydraulic cylinder descends, and the material falls onto the internal gear rotary table. The lifting and transfer conveying mechanism 4 then descends to 181mm above the ground.

[0045] At this point, the double doors close, and the three-axis spray painting machine, in conjunction with the internal gear rotary table, performs the painting operation. The spray gun and laser rangefinder are mounted on the front of the three-axis spray painting machine's Y-axis. Driven by the three-axis spray painting machine, the laser sensor scans the object, measuring the length, width, and height of the entire package of material, and then generates the painting process route. The PLC controls the three axes in tandem according to this route. The PLC-controlled solenoid valve starts and stops the paint pump, delivering paint through the oil pipe to the spray gun, which then atomizes and sprays it onto the material surface.

[0046] After the paint is applied, the double doors open, and the lifting and transfer conveying mechanism 4 lifts the material on the internal gear rotary table and transports it outside the paint booth.

[0047] Outward material feeding process of the paint booth: When the material is received by the material feeding correction mechanism assembly 7, the height above the ground is 181mm, which is the same height as the material conveyed by the lifting and transfer conveying mechanism 4. After the material is conveyed to the material feeding correction mechanism assembly 7, the lifting and transfer conveying mechanism 4 descends to the initial height of 181mm.

[0048] After receiving the material, the material discharge correction mechanism assembly 7 transports the material to the forklift station and then lowers it to 140mm off the ground, waiting for the operator to pull the material away.

[0049] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automated in-and-out spray painting production line compatible with multi-specification building templates, comprising a spray booth, characterized in that, The spray booth is equipped with a water curtain cabinet, which is connected to an external exhaust gas treatment system via pipelines. This system provides negative pressure to the spray booth. The spray booth also includes a three-axis spray gun, a lifting and transferring conveyor mechanism, and an internal gear rotary table. The internal gear rotary table is located inside the lifting and transferring conveyor mechanism. The three-axis spray gun is used for automatically spraying the building templates inside the spray booth. The internal gear rotary table is used to fix and rotate the building templates. The lifting and transferring conveyor mechanism has a feeding correction mechanism assembly and a discharging correction mechanism assembly on each side. The feeding correction mechanism… The assembly of the three-axis painting machine is used to move the building template to be painted to one side of the lifting and transfer conveying mechanism and correct its direction of travel in real time. The lifting and transfer conveying mechanism places the building template on the internal gear rotary table and removes the painted building template from the internal gear rotary table and conveys it to the discharge correction mechanism assembly on the other side of the lifting and transfer conveying mechanism. The discharge correction mechanism assembly is used to move the painted building template out of the paint booth. The exhaust gas treatment system, the three-axis painting machine, the internal gear rotary table, the lifting and transfer conveying mechanism, the discharge correction mechanism assembly, and the discharge correction mechanism assembly are all electrically connected to the PLC control system.

2. The automatic in-and-out painting production line compatible with multi-specification building templates according to claim 1, characterized in that, The exhaust gas treatment system includes a water mist separator, an activated carbon cabinet, and a centrifugal fan. One side of the water mist separator is connected to the water curtain cabinet via a pipeline, and the other side is connected to the activated carbon cabinet via a pipeline. The activated carbon cabinet is connected to the centrifugal fan via a pipeline, and the centrifugal fan has an air duct installed at its air inlet.

3. The automatic in-and-out painting production line compatible with multi-specification building templates according to claim 1, characterized in that, The lifting and conveying mechanism includes a frame assembly. On both sides of the frame assembly, there is a set of chain and sprocket assemblies driven by servo motors. The servo motors drive the chains of the chain and sprocket assemblies on both sides to move simultaneously, thereby transporting the building template material placed on the chain. A first lifting mechanism is also provided on the outside of the chain, which is used to lift and raise the building template material.

4. The automatic in-and-out painting production line compatible with multi-specification building templates according to claim 1, characterized in that, The feeding correction mechanism assembly or the discharging correction mechanism assembly both include a non-powered roller assembly. A correction conveyor line is set behind the non-powered roller assembly. A correction sensor assembly is set on one side of the correction conveyor line. The correction conveyor line and the correction sensor assembly are electrically connected to the PLC control system. The correction sensor assembly transmits the detected building template material data to the PLC control system. The PLC control system controls the correction conveyor line to perform correction.

5. The automatic in-and-out painting production line compatible with multi-specification building templates according to claim 4, characterized in that, The aforementioned correction conveyor line includes at least two parallel connecting rod weldments. Each connecting rod weldment is connected at both ends to a parallel left correction frame weldment and a right correction frame weldment. A left rail is mounted on the left correction frame weldment, and a left chain is installed within the left rail. One end of the left chain is wound around a left driven sprocket assembly at the front end of the left correction frame weldment, and the other end is wound around a left driving sprocket assembly at the rear end of the left correction frame weldment. The left driving sprocket assembly is linked to a left servo motor via a left reducer mechanism. A right correction frame weldment is equipped with a right… The right rail has a right chain installed inside it. One end of the right chain is wound around the right driven sprocket group at the front end of the right correction frame weldment, and the other end is wound around the right drive sprocket group at the rear end of the right correction frame weldment. The right drive sprocket group is linked to the right servo motor through a right reducer mechanism. The left and right servo motors are electrically connected to the PLC control system. A second lifting mechanism is also installed on the outside of the left and right correction frame weldments, and the second lifting mechanism is electrically connected to the PLC control system.

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