CN102331737B - Electronic cam master controller - Google Patents

Abstract

The invention discloses an electronic cam master controller, which comprises an electronic cam controller (1) and is characterized in that: the electronic cam controller (1) is provided with a positioning disk (3); the positioning disk (3) is provided with an annular groove (11) and double synchronous rows of positioning concave holes (12); steel balls (4) and springs (5) are arranged in the double rows of positioning concave holes (12) respectively; a key slot of a handle (6) is formed in alignment with a key (2) of the electronic cam controller (1); the handle (6) is concentrically flush with the positioning disk (3); the handle (6) is provided with a retaining screw (8); the retaining screw (8) slides in the annular groove (11) of the positioning disk (3); a corresponding cam sheet in the electronic cam controller (1) corresponds to an inductance contact-free proximity switch; and the proximity switch is directly connected with a digital quantity input module of a PLC (Programmable Logic Controller). The electronic cam master controller has the advantages of one-time installation and adjustment, freeness from maintenance, simple structure, low labor intensity and normal equipment running.

Description

A kind of electronic cam master controller

Technical field:

The present invention relates to the mechanical ﹠ electrical technology field, is a kind of electronic cam master controller specifically, is that electronic cam controller is become electronic cam master controller, thereby substitutes former mechanical type master controller, is widely used in the control of electrical equipment.

Background technology:

The mechanical type master controller of LK series is widely used in steel pipe's production, such as the dress of rotary heating furnace, the control that goes out trolley, the perforating trolley of tapping machine, the control of Centering Roll, the control of rane trolley etc.; Along with the lifting at full speed of the improving constantly of production capacity and rhythm of production, automaticity, this mechanical type master controller more and more can not satisfy the demand for control of increasingly automated line production.Take existing perforating machine centering roller master controller as example, its model is LK1-12/07; This master controller has 5 grades backward by manufacturing technique requirent, is respectively that Centering Roll 1 is littlely opened, 2 littlely opened, 3 littlely opens, 4 littlely opens, Centering Roll is all opened greatly (5 little opening and its synchronization action) in order, and meta is zero span, 1 grade forward, and namely Centering Roll all closes greatly; Its whole heaviness, complicated in mechanical structure, volume are larger; comprise that the contact actuating mechanism all is the fully mechanical structure, Frequent Troubles in the application process is such as the contact actuating mechanism positioning of inner plastics quality, cracked, wearing and tearing, stuck; pitting of contact; the operating grip bearing pin ruptures, drops out, and the handle retainer spring ejects, handle register pin positioning etc.; cause operation malfunctioning; produce downtime and useless pipe etc., even it is disconnected to cause the perforation push rod to stick up, impact is produced smoothly and personal security.In addition, because this master controller is the fully mechanical structure, cause operation comparatively to require great effort, every perforation one arm, operating personnel can operate 5 grades backward of this master controllers, then return through zero span, 1 grade forward, return at last zero span, then wait for the operation of next arm.

Summary of the invention:

The objective of the invention is to overcome the deficiency of above-mentioned prior art, and a kind of electronic cam master controller is provided, mainly solve existing LK series mechanical formula master controller complicated in mechanical structure, easy break-down, the operation effort affects the problems such as the normal operation of equipment.

In order to achieve the above object, the present invention is achieved in that a kind of electronic cam master controller, it comprises electronic cam controller, key is arranged on the electronic cam controller, and its special character is to establish positioning disk on the electronic cam controller, establishes ring groove and synchronous double location shrinkage pool on the positioning disk, in the shrinkage pool of double location, establish respectively steel ball and spring, steel ball is under the pressure of spring, and circular arc moves in the shrinkage pool of the double location of several on positioning disk, and a shrinkage pool is namely located shelves; The keyway of handle is aimed at the key of electronic cam controller and installed, handle flushes with positioning disk is concentric, establishes the stop screw on the handle, and the stop screw slides in the ring groove of positioning disk; Corresponding cam bit in the electronic cam controller is corresponding with the contactless contactless approach switch of inductance type, and approach switch directly is connected with the digital quantity input module of PLC.

Compared with the prior art a kind of electronic cam master controller of the present invention has outstanding substantive distinguishing features and marked improvement: 1, adopt the standard component electronic cam controller, it is a kind of automation control appliance, its core component is cam bit (group), electronic proximity switch, principal feature is for adopting contactless contactless inductance type (PNP or NPN) electronic proximity switch, this switch has response soon, precision is high, life-span is long, band LED action indicator, the advantages such as supply voltage wide ranges, and can directly advance the digital quantity input module of PLC, the breach size by stepless each cam bit of adjustment can conveniently satisfy various robotization demands for control; 2, simple in structure, accurate positioning, the advantages such as flexible operation, former mechanical type LK series master controller complex structure, heaviness, operation effort, the contact actuating mechanism positioning of inner plastics quality, cracked, wearing and tearing, stuck have fundamentally been solved, the operating grip bearing pin ruptures, drops out, the handle retainer spring ejects, the drawbacks such as handle register pin positioning; The drawbacks such as 3, contactless, contactless inductance approach switch and the dynamic and static contact type of mechanical type contact signal transmission are as different as light from darkness, and this approach switch is non-maintaining, has thoroughly stopped the mechanical contact ablation, and is stuck; 4, need not safeguard, only need make regular check on the degree of fatigue of spring, install very simply, and can conveniently adjust cam bit according to demand for control, extendability is extremely strong, and stops disorderly closedown, the direct motion of support equipment production safety.

Description of drawings:

Fig. 1 is structural representation of the present invention.

Embodiment:

For Comprehension and Implementation better, provide specific embodiment below in conjunction with accompanying drawing and describe a kind of electronic cam master controller of the present invention in detail.

Embodiment 1, referring to Fig. 1, with handle to last shelves, five grades backward, it is example that zero span is arranged, adopt standard component electronic cam controller 1, key 2 is arranged on the electronic cam controller 1, first two positioning disk gib screws 9 of positioning disk 3 usefulness are fixed on the electronic cam controller 1, positioning disk 3 has ring groove 11 and synchronous double location shrinkage pool 12, the number of the shrinkage pool 12 on the positioning disk 3 can reach forward backward operation take handle 6 and be not more than 180 ° as standard according to how much the deciding in its sole discretion of required gear, and the length of the stop ring groove 11 on the certainly corresponding positioning disk 3 also need increase or reduce; The degree of depth of the synchronous double location shrinkage pool 12 on the positioning disk 3 and diameter are decided with the steel ball selected size, can embed in the shrinkage pool 1/2 as benchmark take steel ball, and what the present invention selected is the steel ball of φ 8.5mm; The degree of depth and the width of the ring groove 11 on the positioning disk 3 are decided with the stop screw specification of selecting, and what the present invention selected is the socket head cap screw of M10*20mm; The key 2 of the keyway of handle 6 being aimed at electronic cam controller 1 is again installed, and makes handle 6 and positioning disk 3 concentric flushing; Then use handle gib screw 10 that handle 6 is fastening, stop screw 8 is installed on the handle 6 again, stop screw 8 is in the ring groove 11 interior slips of positioning disk 3; Then respectively steel ball 4, spring 5 are packed into from the hole of handle 6 successively in order, last mounting spring degree of tightness is adjusted screw 7, steel ball 4 is under the pressure of spring 5, circular arc moves in several shrinkage pools on positioning disk 3, a shrinkage pool is namely located shelves, and having designed synchronous double location shrinkage pool 12, two steel ball 4, dual spring 5 at positioning disk 3 is in order better to locate more accurately; The contactless contactless approach switch of several cam bits and inductance type (quantity of cam bit and approach switch can select the model of suitable electronic cam controller 1 to get final product according to demand for control) is arranged in the electronic cam controller 1, and approach switch directly is connected with the digital quantity input module of PLC.

A kind of electronic cam master controller of the present invention, during work, manually-operated handle 6, in the ring groove 11 of the head of stop screw 8 on positioning disk 3 along with handle 6 displacements, when arriving backward then handle 6 backward operation again of last step, equally, when handle 6 arrives forward the most last shelves, then handle 6 can not operate forward again; Size firmly during as for operating grip 6 can suitably be adjusted spring according to operating personnel's feel and adjust screw 7 and get final product, does not generally move voluntarily at any gear and is as the criterion with operating personnel's back handle 6 of loosing one's grip; Steel ball 4 is under the pressure of spring 5, circular arc moves in meeting several shrinkage pools on positioning disk 3, a shrinkage pool is namely located shelves, the axle of electronic cam controller 1 rotates simultaneously, corresponding cam bit in the electronic cam controller 1 can be near the contactless contactless approach switch of corresponding inductance type, and then this approach switch action transmits signal in the digital quantity input module of PLC, the routine processes that the CPU of PLC is correlated with, thereby the relevant device action of control.

Electronic cam master controller of the present invention is alternative old-fashioned mechanical type LK series master controller not only, also can substitute other serial mechanical type master controller.

Claims (1)

1. electronic cam master controller, it comprises electronic cam controller (1), key (2) is arranged on the electronic cam controller (1), it is characterized in that establishing positioning disk (3) at electronic cam controller (1), establish ring groove (11) and synchronous double location shrinkage pool (12) on the positioning disk (3), in double location shrinkage pool (12), establish respectively steel ball (4) and spring (5), steel ball (4) is under the pressure of spring (5), circular arc moves in several double location shrinkage pools (12) on positioning disk (3), and a shrinkage pool is namely located shelves; The keyway of handle (6) being aimed at the key (2) of electronic cam controller (1) installs, handle (6) and concentric the flushing of positioning disk (3), establish stop screw (8) on the handle (6), stop screw (8) slides in the ring groove (11) of positioning disk (3); Corresponding cam bit in the electronic cam controller (1) is corresponding with the contactless contactless approach switch of inductance type, and approach switch directly is connected with the digital quantity input module of PLC.