Automatic coating machine
Technical field
The present invention relates to a kind of equipment that applies coating or printing ink, relate more specifically to a kind of automatic coating machine.
Background technology
Coating machine is a kind of device that quantitatively applies liquid such as coating or printing ink on the surface of paper, cloth, plastic film and other material.For example, coating machine can be used for producing colour atla, promptly applies a coating on paper, makes the surface of paper present shades of colour, with the subject matter as the color product.
Generally, coating machine mainly comprises frame, vacuum absorption device, thrust unit, wet film preparation facilities, slide rod device and drive unit.Wherein, vacuum absorption device is located on the frame.Thrust unit is located at the top of vacuum absorption device, and the wet film preparation facilities is fixed in the thrust unit and with the upper surface of vacuum absorption device and contacts.The frame bottom is arranged with two groups of slide rod device in parallel, and the two ends of thrust unit are slidingly connected with two groups of slide rod device respectively, and the two ends of thrust unit respectively are connected with a steel wire.Drive unit is connected with two fixations with steel wire, and drive the thrust unit that is connected with two steel wires and move, thereby make the wet film preparation facilities carry out the coating of coating or printing ink to the material that is adsorbed on the vacuum absorption device surface on the surface of vacuum absorption device by spurring two steel wires.Particularly, vacuum absorption device mainly comprises vacuum suction bed, is located at a vacuum cup and the vavuum pump that is connected with vacuum cup that vacuum is inhaled the bed below.Material to be coated adsorbs by vacuum cup and is fixed on vacuum to be inhaled on the bed.What in addition, the drive unit of existing coating machine mainly adopted is direct current generator.
Yet, because direct current generator is in the process medium speed instability of work, thereby make the thrust unit that drives by direct current generator in coating process, produce shake, and then make the wet film preparation facilities that is fixed on the thrust unit also produce shake, the coating or the printing ink that finally cause being coated on the material are inhomogeneous, sometimes in addition the part surface that material occurs not coating coat or printing ink, influenced the quality of coating material, reduced the coating precision of coating machine.
Therefore, be necessary to provide a kind of and be coated with evenly, the high automatic coating machine of coating precision overcomes above-mentioned defective.
Summary of the invention
The object of the present invention is to provide a kind of automatic coating machine, this automatic coating machine simple in structure, can eliminate the shake of wet film preparation facilities in coating process, make the coating or the printing ink that are coated on the material even, thereby improve the quality of coating material and the precision of coating machine.
For achieving the above object, the invention provides a kind of automatic coating machine, comprise frame, be located at the vacuum absorption device on the described frame, be located at the wet film preparation facilities of described vacuum absorption device top and the linear drive apparatus that is connected with described wet film preparation facilities, wherein, described automatic coating machine also comprises sliding shoe, connector and tension force control piece, described sliding shoe is symmetrically distributed in the relative both sides of described frame and is slidingly connected with described frame, the two ends of described wet film preparation facilities engage with an end of described sliding shoe respectively, described tension force control piece has fixed part and along the extended elastic portion of described fixed part, the elastic portion of described tension force control piece is fixedly connected on the two ends of described connector respectively, the fixed part of described tension force control piece is fixedlyed connected with the other end of described sliding shoe respectively, described connector is connected with described linear drive apparatus, and described linear drive apparatus drives described wet film preparation facilities by described sliding shoe and does straight reciprocating motion.
Preferably, described linear drive apparatus comprises servomotor, first drive link, second drive link and belt, described servomotor is located in the described frame, described first drive link and described second drive link are articulated in the two ends perpendicular to described sliding shoe of described frame respectively, described servomotor is connected with an end of described first drive link and drives described first drive link and rotates, one end of described belt is socketed on described first drive link, the other end of described belt is socketed on described second drive link, and described connector is fixed on the described belt.
Preferably, described linear drive apparatus also comprises driving member, and an end of described driving member is socketed on the output of described servomotor, and the other end of described driving member is socketed on the end of described first drive link.
Preferably, described sliding shoe is provided with chute, and correspondence is provided with slide rail on the described frame, and by cooperating of described chute and described slide rail, described sliding shoe slides in the both sides of described frame.Understandably, the mode that automatic coating machine of the present invention has adopted sliding shoe and slide rail to combine, this mode makes that the more traditional slide rod device of the frictional force that produces in the sliding process is little, thereby adopts described sliding type can further reduce the shake that described wet film preparation facilities produces in coating process.
Preferably, described automatic coating machine also comprises locking piece and contiguous block, one end and the described locking piece of described contiguous block are fixed, the other end of described contiguous block is fixed on the described sliding shoe, described locking piece is provided with draw-in groove, and the two ends of described wet film preparation facilities are sticked in respectively in the described draw-in groove of described locking piece.Adopt locking piece that the two ends of described wet film preparation facilities are fixed, can make described wet film preparation facilities more firm in the process of motion, thereby reduce the shake that described wet film preparation facilities produces in coating process.
Preferably, described automatic coating machine also comprises the gravitational equilibrium piece, and described gravitational equilibrium piece is fixed in an end of described locking piece.Understandably, described locking piece is applied a downward power, make described locking piece more stable in the process of sliding, thereby reduce to be fastened on the shake that the described wet film preparation facilities in the described locking piece produces in the process of sliding by described gravitational equilibrium piece.
Preferably, an end of the described elastic portion of described tension force control piece is perpendicular to described fixed part, and the fixedly connected described connector of the free end of described elastic portion.
Preferably, the described elastic portion of described tension force control piece comprises first elastic portion and second elastic portion, one end of described first elastic portion is perpendicular to described fixed part, the other end bending of described first elastic portion extends to form described second elastic portion, the fixedly connected described connector of the free end of described second elastic portion.
Preferably, described tension force control piece is " T " font.
Preferably, described frame is made by aluminum, and described slide rail is made by stainless steel material.Because the density of aluminum is low, soft, and the relative density height of stainless steel material, hardness is big, in the process of coating machine work, the cooperatively interacting of two kinds of materials can be improved the adaptivity between described slide rail and the described frame, reduces the shake that described slide rail produces because of described frame.
Compared with prior art, because automatic coating machine provided by the invention is fixedly connected with two tension force control pieces with fixed part and elastic portion respectively at the two ends of connector, the elastic portion of this tension force control piece has been eliminated the shake that connector causes because of linear drive apparatus effectively, thereby eliminated the shake that the wet film preparation facilities produces because of the shake of connector, thereby, coating or printing ink that automatic coating machine of the present invention is coated on the material are even, thereby have improved the quality of coating material and the precision of coating machine.
By following description also in conjunction with the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the stereogram of a kind of embodiment of automatic coating machine of the present invention.
Fig. 2 is the internal structure schematic diagram of automatic coating machine shown in Figure 1.
Fig. 3 is the structure for amplifying schematic diagram of the A part of automatic coating machine shown in Figure 1.
Fig. 4 is the structure for amplifying schematic diagram of the B part of automatic coating machine shown in Figure 2.
Fig. 5 is the structural representation of the vacuum absorption device of automatic coating machine shown in Figure 1.
Fig. 6 is the structural representation of the another kind of embodiment of the tension force control piece of automatic coating machine of the present invention.
The specific embodiment
With reference now to accompanying drawing, describe embodiments of the invention, the similar elements label is represented similar elements in the accompanying drawing.
Shown in Fig. 1-5, be an embodiment of automatic coating machine of the present invention.Described automatic coating machine comprises frame 10, vacuum absorption device 11, wet film preparation facilities 12, two sliding shoes 13, connector 14, two tension force control pieces 15 and linear drive apparatus.Described vacuum absorption device 11 is located on the described frame 10.Described wet film preparation facilities 12 is located at the top of described vacuum absorption device 11.Two described sliding shoes 13 are symmetrically distributed in the relative both sides of described frame 10 and are slidingly connected with described frame 10.The two ends of described wet film preparation facilities 12 engage with an end of described sliding shoe 13 respectively.Described tension force control piece 15 has fixed part 151 and along described fixed part 151 extended elastic portion 152, the elastic portion 152 of described tension force control piece 15 is connected to the two ends of described connector 14, and the fixed part 151 of described tension force control piece 15 is connected with the other end of described sliding shoe 13 respectively.Described connector 14 is connected with described linear drive apparatus.Described linear drive apparatus drives described wet film preparation facilities 12 by described sliding shoe 13 and does straight reciprocating motion.
Particularly, described linear drive apparatus comprises servomotor 161, driving member 162, first drive link 163, second drive link 164, first gear 165, second gear 166 and belt 167.Described servomotor 161 is located in the described frame 10.Described first drive link 163 and described second drive link 164 are installed in the two ends perpendicular to described sliding shoe 13 of described frame 10 respectively.Described first gear 165 is articulated on described first drive link 163, and described second gear 166 is articulated on described second drive link 164.One end of described driving member 162 is socketed on the output of described servomotor 161, and the other end is socketed in an end of described first drive link 163.One end of described belt 167 is socketed on described first gear 165 on described first drive link 163, and the other end is socketed on described second gear 166 of described second drive link 164, and described connector 14 is fixed on the described belt 167.
Described sliding shoe 13 is provided with chute (not shown), and correspondence is provided with slide rail 17 on the described frame 10.By cooperating of described chute and described slide rail 17, described sliding shoe 13 slides on the both sides of described frame 10.Understandably, the mode that automatic coating machine of the present invention has adopted described sliding shoe 13 and described slide rail 17 to combine, this mode makes that the more traditional slide rod device of the frictional force that produces in the sliding process is little, thereby adopts described sliding type can further reduce the shake that described wet film preparation facilities 12 produces in coating process.
Shown in Fig. 2-3, described automatic coating machine also comprises locking piece 181, contiguous block 182 and gravitational equilibrium piece 183.One end of described contiguous block 182 and described locking piece 181 are fixing, and the other end is fixed on the described sliding shoe 13.Described gravitational equilibrium piece 183 is fixed in an end of described locking piece 181.Particularly, described locking piece 181 is a location hook, and described location hook is provided with draw-in groove 184, and the two ends of described wet film preparation facilities 12 are fastened on respectively in the described draw-in groove 184 of described location hook.Understandably, adopt the two ends of 181 pairs of described wet film preparation facilities 12 of described locking piece to fix, can make described wet film preparation facilities 12 more firm in the process of sliding, thereby reduce the shake that described wet film preparation facilities 12 produces in coating process.In addition, apply a downward power by 183 pairs of described locking pieces 181 of described gravitational equilibrium piece, make described locking piece 181 more stable in the process of sliding, thereby reduce to be fastened on the shake that the described wet film preparation facilities 12 in the described locking piece 181 produces in the process of sliding.
Described wet film preparation facilities 12 is provided with micromatic setting 121, described micromatic setting 121 fine-tuning described wet film preparation facilities 12 are to the distance of the material to be coated that is adsorbed on described vacuum absorption device 11 surfaces, thereby regulate the coating that is coated on the described material to be coated or the thickness of printing ink.
Fig. 5 is the structural representation of the vacuum absorption device 11 of automatic coating machine of the present invention.As shown in Figure 5, described vacuum absorption device 11 comprises vacuum suction bed 111, is located at the vacuum cup 112 of described vacuum suction bed 111 belows and is located in the described frame 10 and the vavuum pump (not shown) that is connected with described vacuum cup 112.Material to be coated (not shown) adsorbs and is fixed on described vacuum by described vacuum cup 112 to be inhaled on the bed 111.
At length, Fig. 4 has showed the structure of an embodiment of the described tension force control piece 15 of automatic coating machine of the present invention.One end of the described elastic portion 152 of described tension force control piece 15 is perpendicular to described fixed part 151, and the free end of described elastic portion 152 and described connector 14 are fixing, and the described fixed part 151 of described tension force control piece 15 is fixedlyed connected with an end of described sliding shoe 13.Described tension force control piece 15 can be made the T-shape structure by aluminum.Preferably, one end both sides of the described elastic portion 152 that is connected with described fixed part 151 also are provided with breach (not shown), described breach makes described fixed part 151 narrower with the part that described elastic portion 152 is connected, thereby makes described tension force control piece 15 can better eliminate the shake of the described connector 14 that described linear drive apparatus causes.
Fig. 6 is the structural representation of another embodiment of the described tension force control piece 15 of automatic coating machine of the present invention.With reference to figure 6, described tension force control piece 15 has fixed part 151 and along described fixed part 151 extended elastic portion 152.Described elastic portion 152 further comprises first elastic portion 1521 and second elastic portion 1522.One end of described first elastic portion 1521 is perpendicular to described fixed part 151, and the bending of the other end of described first elastic portion 1521 extends to form described second elastic portion 1522.And described second elastic portion 1522 of described tension force control piece 15 is fixedly connected on the two ends of described connector 14 respectively, and the described fixed part 151 of described tension force control piece 15 is fixedlyed connected with the other end of described sliding shoe 13 respectively.Preferably, described tension force control piece 15 can be bent into by a stainless steel substrates and form.Because stainless steel has better elastic, thereby the described elastic portion 152 of described tension force control piece 15 can be eliminated the shake that described linear drive apparatus causes described second jockey 14.
Described frame 10 is made by aluminum, and described slide rail 17 is made by stainless steel material.Because the density of aluminum is low, soft, and the relative density height of stainless steel material, hardness is big, in the process of coating machine work, the cooperatively interacting of two kinds of materials can be improved the adaptivity between described slide rail 17 and the described frame 10, reduces the shake that described slide rail 17 produces because of described frame 10.
Understandably, described servomotor 161 also can connect a controller 19.Described controller 19 is electrically connected with described servomotor 161.By programming, described controller 19 can be controlled the rotating speed of described servomotor 161, thereby control the speed of service and the range ability of described wet film preparation facilities 12, make the coating method of described automatic coating machine more flexible, and improved the coating quality of described automatic coating machine.
As mentioned above, the invention provides a kind of automatic coating machine, because automatic coating machine provided by the invention is fixedly connected with two tension force control pieces 15 with fixed part 151 and elastic portion 152 respectively at the two ends of connector 14, the elastic portion 152 of this tension force control piece 15 has been eliminated the shake that described connector 15 causes because of linear drive apparatus effectively, thereby eliminated the shake that described wet film preparation facilities 12 produces because of the shake of described connector 15, thereby, coating or printing ink that automatic coating machine of the present invention is coated on the material are even, thereby have improved the quality of coating material and the precision of coating machine.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.