Automatic coating machine
Technical field
The present invention relates to a kind of automatic coating machine, belong to the application techniques field.
Background technology
Paint-on technique mainly utilizes automatic coating machine that application is carried out in work, the workpiece that the surface need apply is put into the workpiece basket by feed mechanism, again the workpiece basket is placed in the immersion trough workpiece is carried out dip-coating, under motor-driven, coating machine rotates at a high speed coating equably attached to the workpiece that is coated with, and unnecessary water or liquid dried fast and effectively, last workpiece basket by conveying device to shedding mechanism with the part discharging.Advanced at present coating machine is that the swing motor is connected with the column that rotary electric machine is installed in the dihedral swing arm respectively, can drive the dihedral swing arm by the swing motor revolves axle along the central axis of main shaft and moves, swing and drive the workpiece basket, rotate and electronicly then drive rotating shaft and rotate and to make the workpiece basket carry out centrifugal coating and drying, make the workpiece basket can in swing, carry out centrifugal coating and drying.The main shaft bottom of coating machine is equipped with automatic clamping device slidably, automatic clamping device is by being installed in the axially movable oil cylinder of main shaft outside control main shaft, be installed on rotating shaft and the axle bed and the mobile cover that is connected with oil cylinder and the workpiece basket cover plate that is installed in the rotating shaft bottom constitute, and workpiece basket cover plate and mobile cover are installed on the clamp mechanism that is made of clamp jaw, under the drive of oil cylinder, mobile cover can axially move and controls the clamp jaw action along rotating shaft and axle bed, and workpiece basket cover plate is connected on the workpiece basket.This automatic coating machine can increase substantially production efficiency, but because swinging structure is the structure of cantilever beam, clamp mechanism adopts a plurality of clamp jaw structures in addition, complex structure not only, weight is heavier, and for satisfying the rigidity requirement of coating machine, the base volume of dihedral swing arm and installation swing motor is big, the floor space of coating machine is bigger, and the energy consumption height.Moreover during the clamping work pieces basket, after needing to start oil cylinder earlier and earlier being placed on workpiece basket cover plate on the workpiece basket, oil cylinder shrinks and drives clamp jaw clamping work pieces basket, the impulse stroke that clamps is longer, the aided process time is longer, can't further increase work efficiency, so limited the field of employment of coating machine.
Summary of the invention
The purpose of this invention is to provide that a kind of compact conformation is reasonable, volume is little, overhead time is short, can load and unload the automatic coating machine of increasing work efficiency with the workpiece basket fast.
The present invention is that the technical scheme that achieves the above object is: a kind of automatic coating machine is characterized in that: comprise support, be installed in motor, swing mechanism, mainshaft mechanism and workpiece basket clamp mechanism on the support;
Described swing mechanism comprises two swing arms and oscillating oil cylinder or oscillating cylinder, the two swing arm bottoms of fixedlying connected with support are installed in respectively in the rotating shaft of same axial line, rotating shaft is connected with side shaft holder by side bearing, one end of tilting oscillating oil cylinder or oscillating cylinder is hinged in support or the swing arm, and the other end of oscillating oil cylinder or oscillating cylinder is hinged on the hinged seat;
Described mainshaft mechanism comprises sliding bearing lid and plain bearing housing, spindle drum, collar bush, intermediate sleeve and main shaft, main shaft top is connected with plain bearing housing by the sliding bearing group, principal shaft locking spare is installed in the top of main shaft and joins with the sliding bearing group, the sliding bearing lid is installed on the plain bearing housing, and being hinged on lever that sliding bearing covers is connected with extensible member that can axial stretching, extensible member is installed on the support, can be connected with intermediate sleeve by axially movable main shaft, intermediate sleeve is connected with collar bush, follower is installed in the top of collar bush and is connected with driving wheel on the motor by driving-belt or driving-chain, collar bush is sleeved on stair-stepping main shaft and the intermediate sleeve, spindle drum is connected with collar bush with lower bearing by upper bearing (metal), spindle drum is installed on the support, and upper ball cover and lower ball cover are installed in the two ends up and down of spindle drum respectively;
Described workpiece basket clamp mechanism comprises workpiece basket location-plate, platen and workpiece basket cover plate, workpiece basket location-plate is installed on the collar bush, and the bottom surface of workpiece basket location-plate has the locating slot that joins with workpiece basket Connection Block, the platen that is installed in the main shaft bottom has the deck that joins with workpiece basket Connection Block, workpiece basket cover plate hangs tight the bottom that part is installed in workpiece basket location-plate by cover plate, and between workpiece basket cover plate and the platen spring is installed.
Coating machine of the present invention makes support or swing arm swing by an end band of tilting oscillating oil cylinder or oscillating cylinder, therefore can control the pendulum angle of support by the impulse stroke of oscillating oil cylinder or oscillating cylinder, and control is convenient.The present invention is installed in main shaft, intermediate sleeve and the collar bush of mainshaft mechanism by being connected on the support, main shaft can be axially moved and can rotate along axis, therefore in oscillating oil cylinder or oscillating cylinder action, the Electric Machine Control main shaft rotates can carry out centrifugal coating and drying to the workpiece in the workpiece basket in swing.Workpiece basket clamp mechanism of the present invention is connected with platen by the workpiece basket location-plate that is installed in respectively at main shaft and collar bush, only need workpiece basket Connection Block is inserted between workpiece basket location-plate and the platen, extensible member by the top makes platen and workpiece basket location-plate clamping work pieces basket, fast workpiece basket and coating machine are installed, compact conformation, rationally, it is firm to clamp, and loads and unloads very convenient.The present invention is owing to only need workpiece basket location-plate and platen to cooperate the purpose that reaches the clamping work pieces basket with main shaft, and non-cutting time is short, can further improve coating efficiency.The present invention is installed in mainshaft mechanism, workpiece basket clamp mechanism and motor on the support, and support rotates along hinged center by two swing arms, and is stressed reasonable, can reduce the volume of coating machine, and energy consumption is low, and floor space is little, and is applied widely.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is the structural representation that the present invention removes oscillating oil cylinder.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the side-looking structural representation of Fig. 1.
Wherein: 1-side bearing lid, 2-side shaft holder, 3-rotating shaft, 4-side bearing, the 5-swing arm, 6-workpiece basket, 7-workpiece basket Connection Block, 8-motor, the 9-motor cabinet, 10-driving wheel, 11-driving-belt, 12-support, the 13-upper bearing (metal), 14-upper ball cover, 15-locking nut, 16-travel switch, the 17-follower, 18-sliding bearing lid, 19-principal shaft locking spare, 20-sliding bearing group, the 21-plain bearing housing, 22-slip cap positioning seat, 23-lever, 24-strut, the 25-extensible member, 26-spindle drum, 27-collar bush, 28-main shaft, the shaft shoulder under the 28-1-, the last shaft shoulder of 28-2-, 29-lower bearing, the 30-lower ball cover, 31-intermediate sleeve, 32-workpiece basket location-plate, the 33-spring base, the 34-spring, the 35-cover plate hangs tight part, the 36-platen, 37-workpiece basket cover plate, 38-oscillating oil cylinder, the 39-hinged seat, 40-regulating wheel, 41-fork.
The specific embodiment
See shown in Fig. 1~3, coating machine of the present invention comprises support 12, be installed in motor 8 and swing mechanism on the support 12, mainshaft mechanism and workpiece basket clamp mechanism, motor cabinet 9 is installed on the support 12, motor 8 is inverted and is installed on the support 12. and swing mechanism of the present invention comprises two swing arms 5 and oscillating oil cylinder 38 or oscillating cylinder, two swing arms 5 are fixedlyed connected with support 12, the bottom of two swing arms 5 is installed in respectively in the rotating shaft 3 of same axial line, rotating shaft 3 is connected with side shaft holder 2 by side bearing 4, side bearing lid 1 is installed on the side shaft holder 2, side shaft holder 2 is installed on bearing or the ground, oscillating oil cylinder 38 or oscillating cylinder are tilting, and an end of oscillating oil cylinder 38 or oscillating cylinder is hinged in support 12 or the swing arm 5, the other end of oscillating oil cylinder 38 or oscillating cylinder is hinged on the hinged seat 39, see Fig. 2, shown in 3, oscillating oil cylinder 38 of the present invention or oscillating cylinder symmetry are hinged in support 12 or the swing arm 5, angle β between the axis of the axis of oscillating oil cylinder 38 or oscillating cylinder and main shaft 28 is at 15~40 °, the center of rotation horizontal line of hinged seat 39 is lower than the center of rotation horizontal line of rotating shaft 3, for better regulating the working depth of workpiece basket, the front portion of oscillating oil cylinder 38 or oscillating cylinder is equipped with yoke, the two ends of fork 41 are hinged on respectively in yoke and support 12 or the swing arm 5, stretching motion by oscillating oil cylinder 38 or oscillating cylinder makes the axial line rotation of two swing arms 5 along rotating shaft 3, makes support 12 swings.
See shown in Fig. 1~3, mainshaft mechanism of the present invention comprises sliding bearing lid 18 and plain bearing housing 21, spindle drum 26, collar bush 27, intermediate sleeve 31 and main shaft 28, main shaft 28 tops are connected with plain bearing housing 21 by sliding bearing group 20, this sliding bearing group 20 is made of the taper roll bearing on top and the cylindrical bearing of bottom, taper roll bearing and cylindrical bearing are covered 18 spacing by plain bearing housing 21 and sliding bearing, principal shaft locking spare 19 is installed in main shaft 28 tops and joins with sliding bearing group 20, principal shaft locking spare 19 can adopt two locking nuts, plain bearing housing 21 is fixedlyed connected with main shaft 28, sliding bearing lid 18 is installed on the plain bearing housing 21 by securing member, and sliding bearing lid 18 is provided with hinged seat, the lever 23 that is hinged on the sliding bearing lid 18 is connected with the extensible member 25 of energy axial stretching, extensible member 25 is installed on the support 12, this extensible member 25 can adopt oil cylinder or cylinder, and the axially-movable by extensible member 25 makes sliding bearing lid 18 drive plain bearing housings 21, sliding bearing group 20 and principal shaft locking spare 19 can axially move up and down main shaft 28.See shown in Figure 1, on the support 12 of the present invention strut 24 is installed also, and strut 24 is positioned at extensible member 25 rear portions, the other end of lever 23 is hinged on the strut 24, because horizontal lever 23 two ends are hinged on respectively on sliding bearing lid 18 and the strut 24, therefore can come adjustment (adjusting) lever when to control the axial internal clearance of main shaft by regulating the position of extensible member 25.See shown in Figure 1, can be connected with intermediate sleeve 31 by axially movable main shaft 28, intermediate sleeve 31 is connected with collar bush 27, these main shaft 28 bottoms have splined shaft, and intermediate sleeve 31 is a spline housing, and intermediate sleeve 31 is connected on the main shaft 28 by spline, and main shaft 28 can be moved axially, intermediate sleeve 31 is installed on the collar bush 27 by securing member, drives intermediate sleeve drive shaft 28 by collar bush 27 and rotates.Follower 17 of the present invention is installed in the top of collar bush 27 and is connected with driving wheel 10 on the motor 8 by driving-belt 11 or driving-chain, and support 12 of the present invention also is equipped with regulating wheel 40, by regulating wheel 40 adjusting driving-belts 11.See Fig. 1, shown in 3, collar bush 27 of the present invention is sleeved on stair-stepping main shaft 28 and the intermediate sleeve 31, collar bush 27 is respectively equipped with counterbore and lower counterbore, when main shaft 28 moves, the following shaft shoulder 28-1 of main shaft 28 and last shaft shoulder 28-2 can be on collar bush 27 move axially in counterbore and the lower counterbore, spindle drum 26 is connected with collar bush 27 with lower bearing 29 by upper bearing (metal) 13, spindle drum 26 is installed on the support 12 by securing member, upper ball cover 14 and lower ball cover 30 are installed in the two ends up and down of spindle drum 26 respectively by securing member, this upper bearing (metal) 13 is spacing by the last shaft shoulder and the locking nut 15 of spindle drum 26, lower bearing 29 is made of two bearings at least, can adopt taper roll bearing and roller bearing, spacer is installed between the two bearings, and spacing by the following shaft shoulder and the lower ball cover 30 of spindle drum 26, to satisfy the bearing capacity of main shaft 28.The present invention also is being equipped with the slip cap positioning seat 22 that covers on the follower 17 on the support 12, and slip cap positioning seat 22 is positioned at driving-belt 11 or driving-chain one side has breach, for accurately controlling the axial internal clearance of main shaft 28, follower 17 and slip cap positioning seat 22 correspondences are equipped with travel switch 16.
See shown in Fig. 1~3, workpiece basket clamp mechanism of the present invention comprises workpiece basket location-plate 32, platen 36, workpiece basket cover plate 37, workpiece basket location-plate 32 is installed on the collar bush 27 by securing member, and the bottom surface of workpiece basket location-plate 32 has the locating slot that joins with workpiece basket Connection Block 7, workpiece basket Connection Block 7 is fixed on the both sides of workpiece basket 6, the platen 36 that is installed in main shaft 28 bottoms has the deck that joins with workpiece basket Connection Block 7, workpiece basket cover plate 37 hangs tight the bottom that part 35 is installed in workpiece basket location-plate 32 by cover plate, by workpiece basket location-plate 32 and platen 36 clamping work pieces basket Connection Blocks 7, when the axially-movable of extensible member 25 makes sliding bearing lid 18, when plain bearing housing 21 and main shaft 28 move axially, drive platen 36 clampings or unclamp workpiece basket Connection Block 7 by main shaft 28.The present invention also is equipped with spring 34 between workpiece basket cover plate 37 and platen 36, the spring base 33 of uniform installation more than three on the platen 36, cover plate hangs tight part 35 and is bolt and uniform being welded on the workpiece basket cover plate 37, spring 34 is sleeved on cover plate and hangs tight on the part 35, spring 34 two ends join with spring base 33 and workpiece basket cover plate 37 respectively, by spring 34 platen 36 are evenly withstood on the workpiece basket Connection Block 7.
The workpiece basket 6 that the present invention will be equipped with workpiece pushes between workpiece basket location-plate 32 and the platen 36, after workpiece basket 6 puts in place, extensible member 25 stretches out, cover 18 and promote sliding bearing, plain bearing housing 21 and main shaft 28, make platen 36 with moving on the main shaft 28, make workpiece basket location-plate 32 and platen 36 lay respectively at the inside and outside both sides of workpiece basket Connection Block 7 and clamping work pieces basket Connection Block 7, workpiece basket 6 is installed on the coating machine, at this moment, opening motor 8 makes main shaft 28 drive workpiece basket 6 rotation at a high speed, and the stretching motion of oscillating oil cylinder 38 makes swing arm 5 drive support 12 along the rotation of rotating shaft 3 centers, and workpiece basket 6 can carry out centrifugal coating and drying in swing.When extensible member 25 shrinks, promote sliding bearing lid 18, plain bearing housing 21 and main shaft 28 and move down, platen 36 moves down with main shaft 28, makes workpiece basket location-plate 32 and platen 36 break away from workpiece basket Connection Block 7 respectively.