Plating tank closed cover on-off mechanism
The present invention relates to a kind of groove lid switch.Specifically, be the groove cover opening and closing mechanism that the metallic surface is carried out galvanized plating tank oral area.
Background technology
All know, on the notch of plating tank, all to be furnished with the groove lid for avoiding distributing and overflowing of obnoxious flavour in the plating tank at electroplating industry.Wherein groove lid is ordinary flat, all adopts when closing or opening to move horizontally groove and cover and realize.Owing to adopt the mode of moving horizontally to realize opening or closing of groove lid, between groove lid and notch sealed strip can't be installed, be difficult to sealing, make that the gap between groove lid and notch is bigger.Like this, in electroplating process, obnoxious flavour will distribute or overflow and locate not only to have polluted environment, and can endanger operator's health outside the groove in the groove.
Summary of the invention
The problem that the present invention will solve provides a kind of plating tank closed cover on-off mechanism.Adopt this plating tank closed cover on-off mechanism, can realize the sealing between notch and groove lid, can avoid the situation of contaminate environment and harm operator's health to take place.
For addressing the above problem, take following technical scheme:
Plating tank closed cover on-off mechanism of the present invention comprises cell body, and the cell body oral area is a square, and the cell body oral area has cover plate.All there is axle bed in the relative two cell walls outside that is characterized in cell body, and rotating shaft is arranged in the axle bed, and this two rotating shaft all is horizontal arrangement and is on the sustained height.Cell body another to two minor axises are all arranged on the cell wall, an end of this two minor axis is fixed on the corresponding cell wall, and two minor axises all with rotating shaft with high.Said groove lid is made up of two module unit grooves lid, and said two module unit grooves cover and are rectangle and their length and are not less than the spacing between two cell wall outer sides that cell body is equipped with minor axis.Two outside connecting rods and two inside connecting rods are all arranged between the same end of two rotating shafts, and an end of two outside connecting rods is hinged on respectively in the middle of the end of two module unit grooves lid, and the other end is hinged on respectively on the same end of two rotating shafts.One end of two inside connecting rods is hinged on the two ends near two module unit grooves lids inside edge respectively, and the other end is hinged on respectively on the cell wall of two same ends of rotating shaft, and makes and cover inside connecting rod and the outside connecting rod that an end links to each other with same unit groove and parallel.On the cell wall adjacent with the rotating shaft two ends cylinder is arranged all, this cylinder is vertical layout and is in the below between two inside connecting rods, and its piston rod up.Between piston rod outer end and two inside connecting rods lower link is arranged all, the upper end of this two lower link is hinged on the centre of inside connecting rod respectively, and the lower end of two lower links is hinged on the outer end of piston rod together.When piston rod was withdrawn fully, said two unit grooves lid tightly was pressed on the notch and the adjacent side close proximity of two unit grooves lid is touched.
Take such scheme, have the following advantages:
Can find out by such scheme because the relative two cell wall arranged outside of cell body have rotating shaft, cell body another to two minor axises are all arranged on the cell wall.Said groove lid is made up of two module unit grooves lid, and two outside connecting rods and two inside connecting rods are all arranged between the same end of two rotating shafts, and an end of two outside connecting rods is hinged on respectively in the middle of the end of two module unit grooves lid, and the other end is hinged on respectively on the same end of two rotating shafts.One end of two inside connecting rods is hinged on the two ends near two module unit grooves lids inside edge respectively, and the other end is hinged on respectively on the cell wall of two same ends of rotating shaft, and makes and cover inside connecting rod and the outside connecting rod that an end links to each other with same unit groove and parallel.On the cell wall adjacent with the rotating shaft two ends cylinder is arranged all, between the piston rod outer end of this cylinder and two inside connecting rods lower link is arranged all, the upper end of this two lower link is hinged on the centre of inside connecting rod respectively, and the lower end is hinged on the outer end of piston rod together.When piston rod was withdrawn fully, said two unit grooves lid tightly was pressed on the notch and the adjacent side close proximity of two unit grooves lid is touched.Thereby spacing in covering on the end by an inside connecting rod, outside connecting rod, a same unit groove between outside connecting rod and the spacing between interior outside connecting rod lower end constitute a parallel-crank mechanism; When need are opened the groove lid; Make its piston rod overhanging through starting cylinder; Drive two lower links and push up and lift two inside connecting rods, again by two inside connecting rods and outside connecting rod drive together two module unit grooves lid upwards, outwards action, thereby opening of realizing that groove covers.When need close the locked groove lid, contract as long as make in the cylinder piston rod, can make downward, the inwardly action of two module unit grooves lid through two inside connecting rods, two outside connecting rods and two lower links, make groove lid enclosing cover on notch.Become the conventional horizontal movable type and open or close mode and open or close mode into the four link type of rhomboid, thus can be around notch and between the groove lid, sealed strip is set between the adjacent side of unit groove lid.Make in off position down not have the gap between notch and groove lid, realized the sealing between notch and groove lid, thereby avoided distributing or overflowing and the situation generation of the environmental pollution damage operator's that cause health of the interior obnoxious flavour of groove in the electroplating process.
Description of drawings
Fig. 1 is a plating tank closed cover on-off mechanism synoptic diagram of the present invention.
Embodiment
As shown in Figure 1, plating tank closed cover on-off mechanism of the present invention comprises cell body 2, and the oral area of said cell body 2 is a rectangle, and the oral area of cell body 2 is provided with the groove lid, and this groove lid is made up of two module unit grooves lid 11.The equal in length of said two module unit grooves lid 11 and with the notch equal in length.Two elongated slot wall outsides of cell body 2 are provided with two axle beds 6, and all axle beds 6 all are on the sustained height.6 of two axle beds on the same cell wall are provided with a rotating shaft 7, and insert in the corresponding axle bed 6 at the two ends of this rotating shaft, make two rotating shafts 7 all be horizontal arrangement and are on the sustained height.The cell wall at cell body 2 two promptly is provided with two minor axises 5 on two short cell walls, and an end of this two minor axis is fixed on the corresponding cell wall, and two minor axises 5 are all same high with the extension of rotating shaft 7.
The upper end that is provided with two outside connecting rods 9 and 10, two outside connecting rods 9 of two inside connecting rods between the same end of two rotating shafts 7 is hinged in the middle of the end of unit groove lid 11 by bearing pin respectively, and the lower end is hinged on respectively on the same end of two rotating shafts 7.The upper end of two inside connecting rods 10 is hinged on the two ends that unit groove covers 11 inside edges by bearing pin respectively; The cell wall that the lower end is hinged on cell body 2 two respectively is promptly on two minor axises 5 on two short cell walls, and makes and cover inside connecting rod 10 and the outside connecting rod 9 that 11 1 ends link to each other with same unit groove and parallel.Be provided with cylinder 1 on the cell wall adjacent with rotating shaft 7 two ends, this cylinder is the below that vertically is fixed on the cell wall and is in 10 of two inside connecting rods, and its piston rod 3 up.Piston rod 3 outer ends and 10 of two inside connecting rods are provided with lower link 4, and the upper end of this two lower link is hinged on the centre of inside connecting rod 10 respectively, and the lower end of two lower links 4 is hinged on the outer end of piston rod 3 together.When piston rod 3 was withdrawn fully, said two unit grooves lid 11 tightly was pressed on the notch and the adjacent side close proximity of two unit grooves lid 11 is touched.
Sealed strip 8 all is installed around the top of notch, between the adjacent side of two unit grooves lid 11, sealed strip is installed also.Like this, when two unit grooves lid 11 tightly is pressed on the notch and the adjacent side close proximity of two unit grooves lid 11 when touching, can be completely achieved the sealing between 11 on two unit grooves lid, two unit grooves lid 11 and notch.