Automatic lost foam pattern curtain-coating device and method

[0032] In order to make it easy to understand the technical means, creative features, achieved goals and effects of the present invention, the present invention is further described below.

[0033] like Figure 1 to Figure 9As shown in the figure, a lost foam and white mold automatic spray coating device includes a paint supply device 1, a feeding pipeline 2, an automatic spray coating joint 3, an automatic spray coating room 4, a manual spray coating room 5, a spray gun 6, and a spray coating pool 7 , the material return pipeline 8 and the automatic spray coating equipment 9, the automatic spray coating equipment 9 is installed in the automatic spray coating room 4, the spray gun 6 is installed in the manual spray coating room 5, and the paint supply device 1 passes the feeding The pipeline 2 is correspondingly connected with the automatic spray coating joint 3 and the spray gun 6, the automatic spray coating joint 3 is connected with the automatic spray coating equipment 9, and the spray coating tank 7 is respectively installed in the manual spray coating room 5 and the automatic spray coating room 4. The number of the automatic spray coating equipment 9 is two sets, and the two sets of automatic spray coating equipment 9 are respectively placed on the left and right sides of the automatic spray coating chamber 4, and the paint supply device 1 passes through the return pipe 8 It is connected with the spray coating tank 7. The invention realizes the automatic spray coating of the white mold workpiece, uses automation to replace the traditional manual spray coating, and improves the efficiency of the spray coating; the automatic spray coating room 4 and the manual spray coating room 5 are used together to effectively prevent the white mold. The phenomenon of leakage and coating of the mold workpieces occurs to ensure the quality of the products; the working environment of the workers is improved, and the physical and mental health of the workers is guaranteed.

[0034] The spray coating pool 7 is a two-layer trapezoidal guide surface structure, the lower part of the spray coating pool 7 has a spray coating pool cavity 7-2, and the bottom of the spray coating pool 7 has a flange structure 7-1 for recovering paint .

[0035] The paint supply device 1 includes a paint tank 1-1, a feeding diaphragm pump 1-2, a return diaphragm pump 1-3 and a return tank 1-4. The paint tank 1-1 and the feeding diaphragm pump 1-2 are The feeding pipeline 2 is connected with the automatic spray coating equipment 9 and the spray gun 6. The return diaphragm pump 1-3 and the flange structure 7-1 at the bottom of the spray coating tank 7 are connected through the feeding pipeline 2. The diaphragm pump 1-3 and the return tank 1-4 are connected through the return pipeline 8. The feeding diaphragm pump 1-2 transports the paint in the paint tank 1-1 to the automatic spray coating joint 3 and the spray gun 6 respectively through the feeding pipeline 2. After the paint is sprayed on the surface of the white mold workpiece, the remaining paint flows to the two In each spray coating tank 7, and then transported to the return material tank 1-4 through the return material diaphragm pump 1-3 through the return material pipeline 8, and the paint tank 1-1 and the return material tank 1-4 are connected to realize the paint Recycling, avoiding waste and saving the cost of spray coating.

[0036] The automatic spray coating room 4 and the manual spray coating room 5 are both steel frame structures to ensure the overall firmness, and the periphery is sealed with steel plates.

[0037] The automatic spray coating equipment 9 includes a frame 9-1, a trolley guide rail 9-2, an active double-row sprocket device 9-3, a double-row chain 9-4, a connecting rod 9-5, a sliding trolley 9-6, and a spray rod. 9-7. The driven double-row sprocket device 9-8 and the tensioning wheel device 9-9, the trolley guide rail 9-2 is horizontally installed on the upper part of the frame 9-1, the sliding trolley 9-6 and the trolley guide rail 9 -2 sliding fit, the spray rod 9-7 is installed on the upper part of the sliding trolley 9-6, the active double-row sprocket device 9-3, the driven double-row sprocket device 9-8, and the tensioning wheel device 9 -9. The double-row chain 9-4 is installed at the lower part of the frame 9-1, and the active double-row sprocket device 9-3 and the driven double-row sprocket device 9-8 are connected through the double-row chain 9-4 In order to transmit power, the tensioning wheel device 9-9 is matched with the lower part of the double row chain 9-4, the upper end of the connecting rod 9-5 is connected with the sliding trolley 9-6, and the The lower end is connected with the double row chain 9-4. Through the cooperation between the active double-row sprocket device 9-3 and the driven double-row sprocket device 9-8, a driving force is provided for the sliding trolley 9-6, so that the sliding trolley 9-6 is in the position of the trolley guide rail 9-2. Reciprocating movement under the guide, thereby synchronously driving the spray rods 9-7 to do reciprocating movement to realize the reciprocating spray coating and ensure the quality of the spray coating.

[0038] The driven double-row sprocket device 9-8 includes a driven double-row sprocket 9-81, a tightening nut 9-82, a driven wheel spindle 9-83, an eye bolt 9-84, a spring 9-85, a long screw A column 9-86, a pre-tightening mechanism base 9-87, a locking nut 9-88 and a driven wheel box 9-89, the driven wheel box 9-89 is mounted on the frame 9-1, the driven wheel The main shaft 9-83 is connected with the upper part of the driven wheel box 9-89 through a bearing, the driven double-row sprocket 9-81 is connected with the driven wheel main shaft 9-83 by a key, and the driven double-row sprocket 9- 81 is matched with the double-row chain 9-4, the tightening nut 9-82 is threaded with the driven wheel main shaft 9-83 to fix the axial dimension of the driven double-row chain wheel 9-81, and the eye bolt 9 -84, spring 9-85, long stud 9-86, pre-tightening mechanism base 9-87 and anti-loosening nut 9-88 constitute a pre-tightening mechanism, the pre-tightening mechanism is placed on the right side of the driven wheel box 9-89 On the other hand, the long stud 9-86 realizes the connection between the driven wheel box 9-89 and the pre-tightening mechanism base 9-87 by means of thread fit, and the anti-loosening nut 9-88 is placed in the pre-tightening mechanism The right side of the base 9-87, and the lock nut 9-88 is threaded with the long stud 9-86, the number of the eyebolts 9-84 is two, and the two eyebolts 9-84 Correspondingly with the driven wheel box 9-89 and the base 9-87 of the pre-tightening mechanism, the two eyebolts 9-84 are connected by springs 9-85.

[0039] The active double-row sprocket device 9-3 includes a motor bracket 9-31, an active double-row sprocket 9-32, a deceleration motor 9-33 and a junction box 9-34, and the motor bracket 9-31 is mounted on the frame 9 -1, the reduction motor 9-33 is installed on the motor bracket 9-31, the active double row sprocket 9-32 is fixed on the output shaft of the reduction motor 9-33, and the junction box 9-34 is installed On the upper part of the reduction motor 9-33, the active double-row sprocket 9-32 is matched with the double-row chain 9-4. During use, by screwing the long studs 9-86, the distance between the pre-tightening mechanism base 9-87 and the driven wheel box 9-89 is changed, and finally the driven double-row The spacing between the sprockets 9-32 realizes the tension of the double-row chains 9-4 to ensure the performance; at the same time, the elastic restoring force of the springs 9-85 can be used to keep the driven wheel box 9-89 away from The force of the active double-row sprocket 9-32, that is, the preload is realized.

[0040] The tensioning wheel device 9-9 includes a tensioning wheel lower stud 9-91, a tensioning wheel elastic device 9-92, a tensioning wheel connecting rod 9-93, a tensioning wheel upper bolt 9-94, a tensioning chain A wheel 9-95 and a tensioning wheel mounting frame 9-96, the tensioning wheel mounting bracket 9-96 is fixed on the frame 9-1, the tensioning wheel elastic device 9-92, the tensioning wheel connecting rod 9- 93 is fixed on the tensioning wheel mounting frame 9-96 through the tensioning wheel lower stud 9-91, and the tensioning sprocket 9-95 is fixed on the tensioning wheel connecting rod 9-94 through the tensioning wheel upper bolt 9-94 At the upper end of 93, the tensioning sprocket 9-95 is matched with the double row chain 9-4.

[0041] The sliding trolley 9-6 includes a wheel 9-61, a pan/tilt 9-62, a pan/tilt mounting plate 9-63 and a flange 9-64, and the wheel 9-61 is symmetrically mounted on the lower end surface of the pan/tilt 9-62. On the top, the wheels 9-61 are correspondingly matched with the trolley guide rails 9-2, the pan-tilt mounting plate 9-63 is mounted on the pan-tilt 9-62, and the flange 9-64 is mounted on the pan-tilt 9-62 In the middle of the lower end, the flange 9-64 is connected with the upper end of the connecting rod 9-5.

[0042] The spray rod 9-7 includes fasteners 9-71, spray rod pipes 9-72, tee pipes 9-73, flat spray heads 9-74 and two-way joints 9-75. The spray rod pipes 9-72 One end is fixed on the pan/tilt mounting plate 9-63 by fasteners 9-71, the three-way pipes 9-73 are distributed at equal intervals along the axis direction of the boom pipe 9-72, the three-way pipes 9-72 -73 is connected with the spray rod pipe 9-72 by means of screw fitting, the two-way joint 9-75 is fixed on the other end of the spray rod pipe 9-72 by means of screw fitting, and the flat spray head 9-74 Correspondingly installed on the lower end of the three-way pipe (9-73) and the two-way joint (9-75). The pan/tilt 9-62 can drive the spray rod 9-7 to rotate horizontally, and the spray rod 9-7 can be retracted. In order to avoid collision with the white mold workpiece when the white mold workpiece enters the automatic spray coating chamber 4, to ensure the smooth progress of the workpiece; after the automatic spray coating joint 3 is connected with the spray rod pipe 9-72 of the spray rod 9-7, Spray coating can be carried out.

[0043] An automatic spray coating method for lost foam and white mold, comprising the following steps:

[0044] (1) Preparation for loading: When the white mold workpiece enters the automatic spray coating room 4 for spray coating, the pan/tilt 9-62 drives the spray rod 9-7 to rotate so that the spray rod 9-7 and the trolley guide rail 9-2 form a 90-degree angle ;

[0045] (2) Spray coating: start the paint supply device 1, the paint enters the spray bar 9-7 through the feeding diaphragm pump 1-2 through the feeding pipeline 2, the paint is sprayed from the flat spray head 9-74, and the active double row sprocket device is activated at the same time. 9-3, the double-row chain 9-4 drives the spray rod 9-7 to reciprocate at a constant speed along the trolley guide rail 9-2, so that the paint is evenly sprayed on the surface of the white mold workpiece;

[0046] (3) Inspection: Put the workpiece after the spray coating in the automatic spray coating room into the manual spray coating room for inspection, and use the spray gun 6 for manual spray coating on the parts with poor spray coating effect;

[0047] (4) Recycling: During the spray coating process, the paint enters the spray coating tank 7 through the return diaphragm pump 1-3 and the feed pipeline 2 and enters the return tank 1-4.

[0048] The invention effectively avoids the phenomenon of leaking coating, ensures the quality of the coating, improves the working environment of the workers, is beneficial to the physical and mental health of the workers, and at the same time realizes the recycling of the coating, avoids the waste of the coating, and saves the cost. .

[0049] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have various Such changes and improvements fall within the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.