A kind of solenoid valve module for chip mounter
Technical field
The present invention relates to electrically operated control mechanism, particularly a kind of solenoid valve module for chip mounter.
Background technique
Solenoid valve is the industry equipment by Electromagnetic Control, is used in direction, flow, speed and other the parameter of in industrial control system, adjusting medium.Solenoid valve can coordinate different circuit to realize the control of expection, and precision and the flexibility controlled can both guarantee.Solenoid valve has a variety of, and different solenoid valves plays a role at the diverse location of control system, and the most frequently used is one-way valve, safety valve, position control valve, speed-regulating valve etc.
What chip mounter solenoid valve adopted is the guide electromagnetic valve in the middle of solenoid valve, and when energising, electromagnetic force is opened pilot hole, and upper chamber's pressure declines rapidly, is forming low high pressure reduction around closure member, and hydrodynamic pressure promotes closure member and moves up, valve open; When power-off, spring force cuts out pilot hole, and inlet pressure bends down high pressure reduction by the formation around closing valve member of the rapid chamber of by-pass hole, and hydrodynamic pressure promotes closure member and moves down, throttle down.For example JUKI, the solenoid valve of using in three magnitude chip mounters great majority adopt 34 three-way electromagnetic valves of leading type.
The solenoid valve quantity using in import chip mounter is many, vacuum solenoid, and air blowing solenoid valve, multiple solenoid valves such as power-on and power-off magnet valve have formed a whole set of pneumatic system.Wherein vacuum solenoid internally provided with vacuum sensor has signal output under vacuum state.This design is widely used in most of chip mounters.This design is used solenoid valve quantity many, whole system gas circuit is also many, therefore cannot this system is concentrated, make a pneumatic system that level of integration is higher, therefore in small-sized machine, the particularly chip mounter of Table top type, this design cannot directly be replaced, and the operating rate of minitype paster machine cannot be promoted.
For minitype paster machine, be subject to the restriction of volume and the kind of drive, great majority are designed to gas circuit and are controlled in control box, this kind of mode can be long in the tracheae length of output terminal, therefore in the time controlling solenoid operated, the long meeting of tracheae brings the regular hour to postpone, thereby has reduced the speed of operation.Meanwhile, such design is more loaded down with trivial details to gas circuit design industry, if chip mounter is the in the situation that of a mounting head, needs two-way tracheae, a road malleation, a road negative pressure.If 2 road mounting heads, must need 4 road air pipe passways to be connected to mounting head, entirety is very loaded down with trivial details to wiring.
Summary of the invention
The defect existing in order to overcome above-mentioned prior art, the invention provides a kind of solenoid valve module for chip mounter, and volume is little, level of integration is high, complete function, wiring are simple, has improved working efficiency, reduces job costs.
To achieve these goals, technological scheme of the present invention is as follows:
For a solenoid valve module for chip mounter, comprise stack connects successively two-way output interface, control circuit board, gas circuit output cavity, solenoid valve and gas circuit input cavity body from top to bottom.
As preferably, Pressure monitoring circuit and control circuit for electromagnet are set on control circuit board of the present invention.
As preferably, air pressure testing circuit of the present invention comprises the baroceptor for output pressure monitoring, and described baroceptor is exported cavity through described control circuit board by glue and described gas circuit and is connected.
As preferably, solenoid valve of the present invention is connected by glue and gas circuit output cavity, gas circuit input cavity respectively.
As preferably, gas circuit output cavity of the present invention comprises gas circuit output cavity upper cover and the gas circuit output cavity body lower cover of stack successively.
As preferably, two-way output interface of the present invention is provided with the first pagoda joint, and described the first pagoda joint is exported cavity upper cover through described control circuit board and described gas circuit and is connected.
As preferably, gas circuit input cavity of the present invention comprises gas circuit input solenoid valve cavity upper cover and the gas circuit input solenoid valve cavity lower cover of stack successively.
As preferably, gas circuit input solenoid valve cavity lower cover of the present invention one side arranges the second pagoda joint and is connected with described the second pagoda joint.
As preferably, solenoid valve of the present invention is direct action solenoid valve.
The invention has the beneficial effects as follows, the solenoid valve module of the function of high speed two-path bidirectional output realizes dual input, can effectively monitor output pressure in real time in conjunction with the baroceptor of output cavity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is explosive view of the present invention.
In figure, 1, two-way output interface, 2, baroceptor, 3, control circuit board, 4, gas circuit output cavity, 5, solenoid valve, 6, gas circuit input cavity, 11, the first pagoda joint, 41, gas circuit output cavity upper cover, 42, gas circuit output cavity lower cover, 61, gas circuit input solenoid valve cavity upper cover, 62, gas circuit input solenoid valve cavity lower cover, 63, the second pagoda joint.
Embodiment:
Be easy to understand understanding in order to make creation characteristic of the present invention, technological means and to reach object, further set forth the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1~Fig. 2, a kind of solenoid valve module for chip mounter, comprises stack connects successively two-way output interface 1, control circuit board 3, gas circuit output cavity 4, solenoid valve 5 and gas circuit input cavity body 6 from top to bottom.On described control circuit board 3, Pressure monitoring circuit and control circuit for electromagnet are set, control circuit board 3 plays control central role in whole control module, and exports the air pressure Real-Time Monitoring in cavity.Described air pressure testing circuit comprises the baroceptor 2 for output pressure monitoring, and described baroceptor 2 is connected by glue and described gas circuit output cavity 4 through described control circuit board 3.Described solenoid valve 5 is connected by glue and gas circuit output cavity 4, gas circuit input cavity 6 respectively.The glue used that is connected can be adhesion glue or the agent such as epoxy glue, anaerobic adhesive, hot melt adhesive, silica gel.Described gas circuit output cavity 4 comprises gas circuit output cavity upper cover 41 and the gas circuit output cavity body lower cover 42 of stack successively.Described two-way output interface 1 is provided with the first pagoda joint 11, described the first pagoda joint 11 is connected through described control circuit board 3 and described gas circuit output cavity upper cover 41, two-way output interface 1 adopts M3 stainless steel pagoda joint, is fixed on gas circuit output cavity upper cover 41 by M3d tapped hole.Described gas circuit input cavity 6 comprises gas circuit input solenoid valve cavity upper cover 61 and the gas circuit input solenoid valve cavity lower cover 62 of stack successively.Described gas circuit input solenoid valve cavity lower cover 62 1 sides arrange the second pagoda joint 63 and are connected with described the second pagoda joint 63.
Described solenoid valve 5 is direct action solenoid valve, and its Main Function is the switch of controlling whole gas circuit, and switching signal is supplied with by module-external.Its working principle is: when energising, electromagnetic coil produces electromagnetic force mentions closure member from valve seat, valve open; When power-off, electromagnetic force disappears, and spring handle closure member is pressed on valve seat, valve closing.The general use occasion of this kind solenoid valve is that actuation time is short, the application that frequency ratio is higher.The present invention includes vacuum transducer and control circuit board, complete a miniature two-path bidirectional air-path control system with Pressure monitoring, with a road malleation input interface, one tunnel negative pressure input interface, and the output interface of the two-way real-time Pressure monitoring of two-way, the two-way of output directly can be realized two-way control and Pressure monitoring.
Overall dimension of the present invention is 33*28*55mm, can realize dual input, in conjunction with the baroceptor of output cavity, and control circuit board, can effectively monitor output pressure in real time.Because volume is little, make this module directly be integrated in Placement head position, improve the gas circuit control rate of the mounting head of chip mounter, thereby improve the overall paster speed of chip mounter.Secondly, the air pressure real time monitoring function that module itself is integrated, during to the paster of chip mounter, whether element is just being got, and the judgement of whether getting element will directly can realize, in addition, for chip mounter, Pressure monitoring function has also realized when chip mounter is changed suction nozzle at work the suction nozzle that can use according to reality set different air pressure judgment value, can allow chip mounter to mount function more perfect.
More than show and described basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.