CN2370978Y

CN2370978Y - Automatic controller for metallic pipe die receding machine

Info

Publication number: CN2370978Y
Application number: CN 99208381
Authority: CN
Inventors: 李光亮; 张传都; 李家安
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-04-23
Filing date: 1999-04-23
Publication date: 2000-03-29
Anticipated expiration: 2009-04-23

Abstract

The utility model discloses an automatic controller for a metal pipe die receding machine, which is composed of a programmable controller (PC), a plurality of control switches and two proximity switches connected with input ends of the PC, and above six electromagnetic valves connected with output ends of the PC. The utility model can automatically control the work of the metal pipe die receding machine, and has the advantages of simple operation, strong applicability, accurate positioning and high automatization.

Description

Metal pipe material dynamic model drop-head machine automaton

The utility model relates to a kind of automaton, especially a kind of automaton that is used for metal pipe material dynamic model drop-head machine.

Granted patent 94241424 " metal pipe material dynamic model drop-head machine " discloses the structure of this equipment, but and the structure of unexposed its control section and operation principle, method.As adopt this equipment of manual control to carry out the metal pipe material drop-head, not only labour intensity is big, safety coefficient is low, and efficient is low, precision is not enough.

Actions such as the purpose of this utility model is to provide a kind of automaton, and loading and unloading mould, mould bases motion, the die clamp tense-lax of automation control metal pipe material dynamic model drop-head machine is moving realize the automation control of equipment work.

The purpose of this utility model can realize by following measure.This device is by programmable controller (PC), six above magnetic valves that connect with this PC output, and several gauge taps that connect with this PC input and two are near the switch formation, and whole control process is finished by programmable controller.

The purpose of this utility model can also reach by following measure: connect a relay at the programmable controller output, in order to control self-lubricate pipe fitting and mould.

The utlity model has following advantage: (1) is easy and simple to handle, applicability is strong; (2) accurate positioning, automaticity height.

Describe the utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is a metal pipe material dynamic model drop-head machine automaton structural representation.

Fig. 2 is the mould initial position figure that this device is controlled.

The effect of the alert switch 12 of filter is when oil strainer stops up, this switch connection, and system quits work automatically.First location, I circulation automatically, II circulation and automatic accurate location of circulating for III time are automatically implemented near switch 13 in drop-head location.The effect of posting a letter of accurate location is played near switch 14 in the mould location in control procedure, accurately locate when implementing die change.Input common point 15 is input power supply common points of programmable controller 1.Output common point 18 is out-put supply common points of programmable controller 1.AC power 16 provides working power for programmable controller 1.Out-put supply 17 provides the working power of programmable controller 1 input point.Dynamic model valve 20, move back mould valve 19 and when dynamic model is advanced and retreat, work.

Change-over switch 2 is turned to manual position, install and be the manual work state.This duty is to be provided with for adjusting and manually processing specially.Under manual state, can finish following action: (1) pressurization: depress pressurization key 6.Hydraulic system pressurizing valve 24 is connected, and system pressure raises.Unclamp this key this moment, and system still is in pressurized state.The pressurization key is depressed once, does not have other keys to be operated in 5 minutes, and then system transfers unloading condition automatically to.Stop pressurization if desired, then pressing stop key 3 can transfer unloading condition to by pressurized state.(2) stop: depressing stop key 3, hydraulic system enters unloading condition.(3) clamp: depress clamp key 4 and clamp magnetic valve 23 energising and self-lockings, fixture block clamps.Unclamp this key and still be clamped condition.Unclamp fixture block as need, then depress reverse keys 7 and can remove the clamping action.(4) unclamp: depress 7 of reverse keys and remove the clamping action.(5) advance: depress the key 5 that advances, dynamic model advances, and loosing one's grip then, unit head halts.(6) retreat: depress back spacer 8, dynamic model retreats, and loosing one's grip then, unit head slowly stops.(7) dress mould: depress dress natch 9,22 energisings of dress mould valve, die change begins, and when treating that second mould 27 is gone to first mould, 26 accurate positions (or begun change to second mould 27 positions by the 3rd mould 28), die change finishes automatically.Promptly depress dress natch 9, the mould mould distance of can only advancing at every turn.As the mould of grade to reach next mould position in the die change process, just unclamp the dress natch, then adorn mould valve 22 and stop die change immediately.The existing crawl function of this key has automatic positioning function again.(8) mould unloading: depress and unload natch 10,21 energisings of mould unloading valve, mould moves to left, and when moving left to the accurate position of original state, unclamps this key immediately.(9) automatic: when manual state, automatic key is inoperative.

Change-over switch 2 is threaded to automated location, can be achieved as follows automated procedure.Dress natch 9 is a double function key, for the dress mould, is the key that once circulates automatically in the time of automatically in the time of manually.Unloading natch 10 also is double function key, is mould unloading in the time of manually, is automatic secondary cycle key in the time of automatically.Automatic key is only effective automatically the time.Automatic key 11 automatic three circulation keys.To call these three keys in the following text is from I, from II, from the III key.Whether before these three keys of operation, must observe mould 26 earlier in initial accurately position, unit head should be fallen back on the final position in addition.Have only and satisfy this two conditions, auto state from I, from II, just can work from the III key.Otherwise it is also inoperative to depress these three keys.

(1) from I (once circulation automatically) key

Depress the key from I, dynamic model advances, and earlier pipe fitting is pushed into the precalculated position forward.Dynamic model retreats and leaves pipe fitting, and just finish the location.The lubricating pump starting, lubricated mould, fixture block clamps.Time-delay closing lubricating pump motor stops to lubricate.After treating that fixture block clamps, the dynamic model drop-head that advances.Treat mould 26 with the pipe fitting tapered end when the predetermined position, dynamic model retreats to terminal.Fixture block unclamps, and the dress mould begins, and after mould dress mould direction (to the right) moved 1/2 mould distance, the dress mould finished.Dynamic model advances, and workpiece is released automatically, finish the automatic blanking function after, dynamic model retreats to terminal, the mould mould unloading retreats to the home position left.Automatically once circulation finishes.

(2) from II (secondary cycle automatically) key

Depress the key from II, dynamic model advances, and after elder generation was pushed into the precalculated position with pipe fitting, dynamic model retreated and leaves pipe fitting, and pipe fitting is just located end.The lubricating pump motor is opened, and fixture block clamps.The time-delay lubricating pump stops.After treating that fixture block clamps, the dynamic model drop-head that advances.Treat mould 26 with the pipe fitting tapered end when the predetermined position, dynamic model retreats, and begins die change when retreating to terminal point, die frame moves to right, and mould 27 is moved to mould 26 positions, die change finishes.Dynamic model advances, with mould 27 tapered ends.Treat mould 27 with the pipe fitting tapered end to predetermined second time during the drop-head in-position, dynamic model retreats, retreat to terminal point after, anchor clamps unclamp, mould unloading begins, mould be moved to the left 1/2 mould apart from after, dynamic model advances, and workpiece is pushed automatically.After automatic blanking finished, dynamic model was return original position, and mould is moved to the left the home position.Automatically secondary cycle finishes.

(3) from III (automatic three circulations) key

Depress the key from III, dynamic model advances, and after elder generation was pushed into predetermined position with pipe fitting, dynamic model retreated and leaves pipe fitting, and pipe fitting is just located end.The lubricating pump motor is opened, and fixture block clamps.The time-delay lubricating pump stops.After treating that fixture block clamps, the dynamic model drop-head that advances.Treat mould 26 with the pipe fitting tapered end when the predetermined position, dynamic model retreats, when retreating to terminal point, the beginning die change, mould moves right, and mould 27 is moved to mould 26 positions, die change finishes.Dynamic model advances once more, with mould 27 tapered ends.Treat mould 27 with the pipe fitting tapered end when the predetermined secondary drop-head in-position, dynamic model retreats, retreat to terminal point after, adorn mould for the second time and begin.Die frame is moved right once more.Make mould 28 move to the position of mould 26, after die change finished, dynamic model advanced for the third time, and with mould 28 drop-heads, when treating that mould 28 is locked to for the third time the drop-head preposition with pipe fitting, dynamic model retreats, and when retreating to terminal point, fixture block unclamps.Mould unloading begins, and after mould was moved to the left 1/2 mould distance, dynamic model advanced, and workpiece is pushed automatically.After automatic blanking finished, dynamic model retreated to terminal, and the mould mould unloading is to initial position.Automatic three circulations finish.

In process, number of autocycles, from I, from II, determine voluntarily according to the drop-head amount of different size pipe fitting by the user from III.

The everything process is finished automatically by programmable controller 1 and external detecting automatically near switch.

Lubricated relay connects with programmable controller 1 output, in order to control self-lubricate pipe fitting and mould.

Claims

1. metal pipe material dynamic model drop-head machine automaton, implement control automatically by programmable controller, it is characterized in that: six above magnetic valves that this device connects with this programmable controller output in addition, several gauge taps that connect with this programmable controller input and two constitute near switch, and whole control process is finished by programmable controller.

2. metal pipe material dynamic model drop-head machine automaton according to claim 1 is characterized in that: be connected with a relay at the programmable controller output, in order to control self-lubricate pipe fitting and mould.