CN203045393U

CN203045393U - Magazine tool disorder detection equipment and numerical control machine tool

Info

Publication number: CN203045393U
Application number: CN 201220578125
Authority: CN
Inventors: 邹善福
Original assignee: SHENZHEN CITY HUAQUN CNC MACHINERY CO Ltd
Current assignee: SHENZHEN CITY HUAQUN CNC MACHINERY CO Ltd
Priority date: 2012-11-05
Filing date: 2012-11-05
Publication date: 2013-07-10
Anticipated expiration: 2022-11-05

Abstract

The utility model discloses magazine tool disorder detection equipment, which comprises a programmable logic controller. The programmable logic controller is respectively connected with at least two signal acquisition elements used for acquiring the rotation of a cutter case. The interior of the programmable logic controller comprises at least two counters used for calculating the number of signals fed back by the signal acquisition elements; the signal acquisition elements and the counters are in one-to-one correspondence; and when all counters are different in counting, the tool disorder condition occurs. A numerical control machine tool is provided with the magazine tool disorder detection equipment. The magazine tool disorder detection equipment disclosed by the utility model has the beneficial effects that the magazine tool disorder can be accurately detected, and at the time, related works are stopped, so that workpieces, tools, a main shaft, a Z-axis lead screw and a bearing can be prevented from being damaged, the machine tool can be prevented from being impacted, and unnecessary economic losses are avoided.

Description

The random cutter checkout equipment of tool magazine and Digit Control Machine Tool

Technical field

The utility model relates to the random cutter self check of the tool magazine field of Digit Control Machine Tool, the Digit Control Machine Tool that relates in particular to the random cutter checkout equipment of a kind of tool magazine and this equipment is installed.

Background technology

In the numerical control machining center exchanging knives process, it is earlier by PLC (programmable logic controller (PLC)) inter-process that one step was arranged, after finding target cutter number, send rotate instruction, tool magazine can rotate in nearest mode, tool magazine rotates each tool position, just can send a signal feedback and get back in the PLC program, and PLC can record.But because external disturbance, perhaps signal collecting element breaks down, and lacks and calculates or calculated more, the capital causes that the tool magazine counting is inaccurate, cause the random cutter of tool magazine, behind the random cutter of tool magazine, lathe can continue tool changing processing, like this, can cause the damage of workpiece, the damage of cutter, more serious lathe collides, damage main shaft and Z axial filament bar, bearing etc., cause a lot of unnecessary economic losses.

The utility model content

The utility model aims to provide the equipment of the random cutter of a kind of accurate detection tool magazine, and the Digit Control Machine Tool that this equipment is installed.

To achieve these goals, a kind of technical scheme of the first-selected proposition of the utility model is: the random cutter checkout equipment of a kind of tool magazine, comprise programmable logic controller (PLC), this programmable logic controller (PLC) connects at least two respectively and is used for gathering the signals collecting original paper that the cutterhead broach shell rotates, include at least two counters for the signal number of times that feeds back that calculates the signals collecting original paper in this programmable logic controller (PLC), described signals collecting original paper is corresponding one by one with counter, when two rolling counters forwards not simultaneously, stop the cutterhead broach shell and rotate.

The beneficial effects of the utility model are: cutterhead tool magazine revolution moves a position, the signals collecting original paper will be connected once, send pulse to programmable logic controller (PLC), programmable logic controller (PLC) is handled the back by the rolling counters forward of correspondence then, and when the cutterhead tool magazine stopped operating, programmable logic controller (PLC) contrasted the counting of each counter, if identical then do not have a random cutter situation, if difference then represents random cutter, stop the use of cutterhead tool magazine, can detect whether random cutter of tool magazine so accurately.

Wherein, programmable logic controller (PLC) also is connected with for reminding the random cutter of user's tool magazine and showing the display that the random cutter of tool magazine is reported to the police.

Another technical scheme that the utility model proposes is: a kind of Digit Control Machine Tool, comprise tool magazine, and this tool magazine is equipped with the random cutter checkout equipment of above-mentioned tool magazine.

Safe and reliable in the time of can making the tool magazine tool changing that numerical control hits lathe like this, during random cutter, quit work automatically, guarantee the use safety of equipment and avoid shining into the loss of economy.

Wherein, described tool magazine is a kind of arbitrarily in the upright tool magazine of disc type tool magazine, umbrella and the jig arm formula tool magazine.

Description of drawings

Fig. 1 is the structured flowchart of the random cutter checkout equipment of tool magazine of the present utility model;

Fig. 2 is the structural representation block diagram of Digit Control Machine Tool of the present utility model.

The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.

The specific embodiment

Be described further with regard to the technical solution of the utility model below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

The utility model proposes the random cutter checkout equipment of a kind of tool magazine and the Digit Control Machine Tool of this equipment is installed.

With reference to Fig. 1 and Fig. 2, Fig. 1 is the structured flowchart of the random cutter checkout equipment of tool magazine of the present utility model; Fig. 2 is the structural representation block diagram of Digit Control Machine Tool of the present utility model.

In the present embodiment, the random cutter checkout equipment of a kind of tool magazine, comprise programmable logic controller (PLC), this programmable logic controller (PLC) connects two respectively and is used for gathering the signals collecting original paper that the cutterhead broach shell rotates, include two counters for the signal number of times that feeds back that calculates the signals collecting original paper in this programmable logic controller (PLC), described signals collecting original paper is corresponding one by one with counter, when two rolling counters forward comparing results not simultaneously, the random cutter situation that takes place is described.

In this fact Example, cutterhead tool magazine revolution moves a position, two signals collecting original papers will be connected once, send pulse to programmable logic controller (PLC), and programmable logic controller (PLC) is handled the back by the rolling counters forward of correspondence then, when the cutterhead tool magazine stops operating, the counting of two counters of programmable logic controller (PLC) contrast is not if identical then have random cutter situation, if difference is then represented random cutter, stop the use of cutterhead tool magazine, can detect whether random cutter of tool magazine so accurately.

Certainly, in another embodiment, as long as the quantity of signals collecting original paper greater than two just can, the counting of a plurality of counters is compared, control the tool magazine tool changing by programmable logic controller (PLC) according to the contrast situation of counting then and whether stop.

In the present embodiment, described counter can be general counter, also can be ring counter.

In this fact Example, programmable logic controller (PLC) also is connected with for reminding the random cutter of user's tool magazine and showing the display that the random cutter of tool magazine is reported to the police, when taking place, random cutter situation can remind the user, make the user can adjust equipment timely, continue to go into operation, in order to avoid shine into economic loss, certainly, the comparing result of each counter generally also can be presented on this display.

In this fact Example, a kind of Digit Control Machine Tool also is provided simultaneously, comprise tool magazine, this tool magazine is equipped with the random cutter checkout equipment of above-mentioned tool magazine.Safe and reliable in the time of can making the tool magazine tool changing that numerical control hits lathe like this, during random cutter, quit work automatically, guarantee the use safety of equipment and avoid shining into the loss of economy.

In this fact Example, described tool magazine is a kind of in the upright tool magazine of disc type tool magazine, umbrella and the jig arm formula tool magazine, can certainly be other forms of tool magazine.

Be example with the disc type tool magazine below, the use of the Digit Control Machine Tool that the random cutter checkout equipment of tool magazine is installed be described:

1, after numerically-controlled machine tool system is received the cutter instruction, through decoding, by special instruction ferret out cutter position;

If 2 target cutters are in main shaft and broach shell to be changed position, system then sends and allows cutterhead rotate instruction nearby;

3, moving position of cutterhead broach shell revolution, each signal collecting element will be connected once, sends signal and gives programmable logic controller (PLC);

4, programmable logic controller (PLC) is by handling, and a umber of pulse of gathering each signal is used for counting and uses;

5, each counter is counted the number of times that the record cutterhead rotates respectively;

6, after the rotation of tool magazine cutterhead stops, programmable logic controller (PLC) compares by the counting of contrast instruction with each counter;

7, draw comparing result, if each counter institute metering number is unequal, then give the alarm, inform the user, stop tool changing work.

Certainly, the course of work of the upright tool magazine of other umbrella and jig arm formula tool magazine etc. has only the initial mode difference that goes out cutter or rotor, and it detects random cutter method is identical.

The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. the random cutter checkout equipment of a tool magazine, it is characterized in that, comprise programmable logic controller (PLC), this programmable logic controller (PLC) connects at least two respectively and is used for gathering the signals collecting original paper that the cutterhead broach shell rotates, include at least two counters for the signal number of times that feeds back that calculates the signals collecting original paper in this programmable logic controller (PLC), described signals collecting original paper is corresponding one by one with counter, when each rolling counters forward not simultaneously, the random cutter situation that takes place is described.

2. the random cutter checkout equipment of tool magazine as claimed in claim 1 is characterized in that, programmable logic controller (PLC) also is connected with for reminding the random cutter of user's tool magazine and showing the display that the random cutter of tool magazine is reported to the police.

3. a Digit Control Machine Tool comprises tool magazine, it is characterized in that, this tool magazine is equipped with the random cutter checkout equipment of each described tool magazine of claim 1-2.

4. Digit Control Machine Tool as claimed in claim 3 is characterized in that, described tool magazine is any one in the upright tool magazine of disc type tool magazine, umbrella and the jig arm formula tool magazine.