A kind of vacuum transmission mechanism
Technical field
The utility model relates to technical field of vacuum plating, particularly relates to a kind of vacuum transmission mechanism.
Background technology
Present stage, along with the development of vacuum continuous coating production line technology, client is more and more higher for raising the efficiency, throughput for equipment requires more and more higher, vacuum continuous coating production line is enhanced productivity, productive temp will be improved, improve productive temp, speed will be improved, vacuum plating continuous seepage linear velocity be generally divided into F.F. at a high speed → chase after vehicle speed → process speed → go out the forms such as speed soon, can the vacuum plating tinuous production of fast beat realize, and transmission rig plays a key effect.
As shown in Figure 1, traditional transmission rig is primarily of component compositions such as motor 6, Timing Belt 8, magnetic fluid 5, power wheel 9, liners 15.Motor 1 drives magnetic fluid 5 and power wheel 9 to rotate, and work rest is walked on rotor wheel.But when fast beat high-speed case used by traditional transmission rig, owing to being friction transmission, easily produce very large inertia, workpiece is not easily accurately located.Main drawback is: when 1, transmission speed is more than or equal to 20m/min, and car body is unstable, and inertia is large; 2, start time is more than 2s; 3, parking location is inaccurate, and error is greater than 5mm.
Utility model content
The purpose of this utility model is to propose a kind of vacuum transmission mechanism, can make that vacuum plating car body operates steadily at high speeds, noninertia.
For reaching this object, the utility model by the following technical solutions:
A kind of vacuum transmission mechanism, comprise: mainboard, tightness system, motor, turning device, described turning device comprises the first turning device and the second turning device, the output terminal of described motor is connected with the first turning device, described first turning device is connected with the second turning device by union lever simultaneously, and the longitudinal direction of described first turning device and the second turning device is all connected with transmission rod; Described transmission rod is through vacuum chamber and mainboard, its one end through mainboard is connected with gear and moves in order to drive the tooth bar on vacuum plating car, described mainboard is supported in vacuum chamber by the back shaft being fixed in vacuum chamber, described back shaft one end wears with outside vacuum chamber, and described mainboard is also connected with liner.
Preferably, described liner comprises support roller and guiding wheels, and the guide deflection sheave in described guiding wheels is arranged on mainboard, and another is arranged on guiding wheel carrier, and described guiding wheel carrier is fixed on the back side of mainboard.
Preferably, described guiding wheel carrier is L-type plate.
Preferably, described guiding wheel carrier welding or screw connect with on mainboard.
Preferably, described tightness system is device for sealing magnetic fluid.
Preferably, one end that described back shaft stretches out vacuum chamber to be secured by bolts on vacuum chamber and to be provided with sealing-ring in order to vacuum-sealing.
Preferably, described turning device is quadrant or turbine and worm.
The utility model beneficial effect:
The utility model drives vacuum plating car to move by the tooth bar engaged transmission on gear and vacuum plating car, liner also bears the gravity of vacuum plating car while guiding, make that vacuum plating car body operates steadily at high speeds, noninertia, and start time is fast, parking positioning error is low.
Accompanying drawing explanation
Fig. 1 is existing vacuum transmission structural scheme of mechanism in background technology;
Fig. 2 is the vertical view of the vacuum transmission mechanism in the present embodiment;
Fig. 3 is the side-view of the vacuum transmission mechanism in the present embodiment;
Fig. 4 is guide deflection sheave in the present embodiment and guiding wheel carrier scheme of installation on mainboard.
In figure:
1, mainboard; 2, gear; 3, support roller; 4, lead wheels; 5, tightness system; 6, motor; 7, turning device; 8, Timing Belt; 9, power wheel; 10, transmission rod; 11, lead wheel carrier; 12, back shaft; 13, vacuum chamber; 14, union lever; 15, liner.
Embodiment
The technical solution of the utility model is further illustrated by specific embodiment below in conjunction with accompanying drawing.
As described in Fig. 2,3, the present embodiment proposes a kind of vacuum transmission mechanism for vacuum plating, this mechanism comprises: mainboard 1, tightness system 5, motor 6, turning device 7, described turning device 7 comprises the first turning device 71 and the second turning device 72, the output terminal of described motor 6 is connected with the first turning device 71, described first turning device 71 is connected with the second turning device 72 by union lever 14 simultaneously, and the longitudinal direction of described first turning device 71 and the second turning device 72 is all connected with transmission rod 10; Described transmission rod 10 is through vacuum chamber 13 and mainboard 1, its one end through mainboard 1 is connected with gear 2 and moves in order to drive the tooth bar on vacuum plating car, and then make vacuum plating car inertia in rack and pinion engagement transmission situation little and in transmission process friction resistance little, described mainboard 1 is supported in vacuum chamber 13 by the back shaft 12 be fixed on vacuum chamber 13, described back shaft 12 one end is arranged in outside vacuum chamber 13, described mainboard 1 is also connected with liner 15 and vacuum plating car is operationally operated steadily.
In the present embodiment, preferably, as shown in Figure 2, described liner 15 comprises support roller 3 and guiding wheels 4, and as shown in Figure 4, the guide deflection sheave in described guiding wheels 4 is arranged on mainboard 1, another is arranged on guiding wheel carrier 11, and described guiding wheel carrier 11 is fixed on the back side of mainboard 1; In the wheel carrier 11 that leads described in the present embodiment for L-type plate, the height of the vertical plate of L-type plate should be consistent with mainboard height, can ensure that the two guide deflection sheave height led in wheels 4 are consistent like this, and then make the smooth running of vacuum plating car; Preferably, be respectively provided with a support roller 3 at mainboard two ends, the both sides of mainboard are provided with four to guiding wheels 4, and described guiding wheel carrier 11 welds or screw is connected on mainboard 1.
Vacuum chamber 13 in working order under may enter air, in order to better sealing, in the present embodiment, preferably, described tightness system 5 is device for sealing magnetic fluid.
One end due to back shaft 12 is stretched out outside vacuum chamber 13, and then the possibility that vacuum chamber enters air can be produced, in order to keep the vacuum state of vacuum chamber 13, in the present embodiment, preferably, one end that described back shaft 12 stretches out vacuum chamber 13 to be secured by bolts on vacuum chamber 13 and to be provided with sealing-ring in order to vacuum-sealing.
In the present embodiment, preferably, described turning device 7 is quadrant or turbine and worm.
Note, above display and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not by the restriction of above-mentioned embodiment; what describe in above-mentioned embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall within the scope of claimed the utility model, and claimed scope of the present utility model is defined by appending claims and equivalent thereof.