JP2009178733A - Angle monitor for industrial machinery - Google Patents

Abstract

Provided in an industrial machine that repeats a predetermined periodic operation, such as a press or a molding machine, the phase angle of the periodic operation being executed, for example, a slide is at an elevated top dead center or lowered. Workability and convenience are improved in an angle monitor that displays whether it is at the dead center.
In addition to a conventional angle monitor unit, an operation rate display unit for counting the number of executions of the periodic operation and displaying at least the count value (actual value) is provided. Accordingly, the operator confirms the operating rate display unit 15 with a small amount of eye movement as necessary, simultaneously with the confirmation of the angle monitor unit 11 that is frequently confirmed for picking up the workpiece, and on the day or tool replacement, The number of executions from the supply of consumables can be easily confirmed, and workability and convenience can be improved.
[Selection] Figure 2

Description

  The present invention is provided in an industrial machine that repeats a predetermined periodic operation, such as a press or a molding machine, and the phase angle of the periodic operation being performed, for example, a slide is at an elevated top dead center or descending It is related with the angle monitor which displays whether it is in the bottom dead center.

  What is sold by the present applicant as the industrial machine angle monitor is, for example, as shown in FIGS. The angle monitor 51 receives the output from the cam box 52 of the press machine as shown in FIG. 4 and the encoder 54 attached to the drive shaft 53 of the press machine as shown in FIG. The one stroke of the slide is set to 360 °, and the current phase angle is displayed in analog on the analog display unit 56. The digital display unit 57 displays the current phase angle display when the number of strokes per minute is 10 or less, and displays the number of rotations (stroke number) per minute when the number of strokes exceeds the number.

Such a prior art is shown, for example, in FIG. 8 of Patent Document 1 and similarly in FIGS. 2 and 3 of Patent Document 2.
JP-A-10-137994 JP-A-5-57500

  In addition to the angle monitor, in the press machine, etc., the number of executions of the periodic operation (number of shots, integrated value), the remaining number of times until the scheduled value, or the number of cycles until or after tool replacement or supply of consumables, etc. There are various parameters that need to be confirmed, and the confirmation work is complicated.

  An object of the present invention is to provide an industrial machine angle monitor capable of improving workability and convenience.

  An angle monitor for an industrial machine according to the present invention is provided in an industrial machine that repeats a predetermined periodic operation, and in an angle monitor that displays the phase angle of the cycle, the number of executions of the periodic operation is counted, and at least the count value is calculated. It is characterized by comprising a counter for display.

  According to said structure, it is provided in the industrial machine which repeats predetermined periodic operation | movement like a press machine, a molding machine, etc., and the phase angle of the said periodic operation | movement currently performed, for example, a slide exists in the raised top dead center In an angle monitor that displays whether the bottom dead center has been lowered, etc., a cycle counter is provided, and the cycle counter counts the number of executions of the periodic operation and displays at least the count value (actual value). .

  Therefore, the operator confirms the angle monitor that is frequently checked for workpiece removal, etc., and at the same time, moves the line of sight as needed, for example, the number of residual cycles up to the integrated value or the planned value, or tool change Also, the number of cycles from the supply of consumables to the previous time can be easily confirmed, and the workability and convenience can be improved.

  In the angle monitor for industrial machines according to the present invention, the counter also displays a preset scheduled number of executions of the periodic operation.

  According to the above configuration, the cycle counter also displays a preset scheduled number of executions of the periodic operation.

  Therefore, it is possible to easily manage work such as confirming the digestion (achievement) rate with respect to the target of daily production, and estimating the timing of tool replacement and supply of consumables. This can be further improved.

  Furthermore, in the angle monitor for industrial machines according to the present invention, the counter also displays a difference or achievement rate between the actual execution count and the scheduled execution count.

  According to the above configuration, the cycle counter displays the difference between the scheduled execution count and the actual execution count or the achievement rate together with the scheduled execution count.

  Therefore, it is not necessary for the operator to obtain a difference or achievement rate from the actual number of executions with respect to the scheduled number of executions, and since it is automatically displayed, the work can be managed more easily.

  In the industrial machine angle monitor of the present invention, the counter has an output terminal for outputting the count value to the outside.

  According to said structure, the progress of a work can be confirmed also in a management building etc. besides the said operator.

  As described above, the industrial machine angle monitor of the present invention is provided in an industrial machine that repeats a predetermined periodic operation, such as a press machine or a molding machine. In an angle monitor that displays whether it is at an elevated top dead center or a lowered bottom dead center, a cycle counter is provided, and the cycle counter counts the number of executions of the periodic operation, and at least the count Displays the value (actual value).

  Therefore, the operator checks the angle monitor that is frequently checked for workpiece removal, etc., and at the same time, moves the line of sight as needed, for example, the number of cycles of residuals up to the integrated value or the planned value, or a tool The number of cycles from replacement or supply of consumables or until then can be easily confirmed, and workability and convenience can be improved.

  FIG. 1 is a perspective view of a press 1 equipped with an angle monitor 10 according to an embodiment of the present invention, and FIG. 2 is a perspective view of the angle monitor 10. The press machine 1 as an industrial machine includes a press machine main body 3 having an O-shaped frame mounted on a leg stand 2, an operation unit 4 attached to the front part thereof, and an operation control part 5 attached to a side part thereof. Repeat the cyclic operation (press operation). It should be noted that the angle monitor 10 includes an operation rate display unit 15 as a cycle counter in addition to the conventional angle monitor unit 11.

  As shown in FIGS. 4 and 5, the angle monitor unit 11 receives the output from the cam box 52 on the press machine 1 side and the encoder 54 attached to the drive shaft 53, and slides the press machine 1. One stroke is 360 °, and an analog display unit 12 that displays an angle in an analog manner and a digital display unit 13 that displays it in a digital manner are provided. The analog display unit 12 is formed by dividing the analog display unit 12 formed in a ring shape into 40 parts and embedding light emitting diodes, and the light emitting diodes closest to the current position of the slide are lit (see FIG. 2, the light emitting diodes at every 90 ° positions are particularly shown with a frame, and among them, the light emitting diodes representing the bottom dead center are lit). On the other hand, the digital display unit 13 is composed of a three-digit day-shaped segment and displays an angle when the number of strokes per minute is 10 or less, and the number of revolutions per minute (number of strokes) beyond that. Is displayed.

  On the other hand, the operation rate display unit 15 displays the number of executions (actual) of the repetitive operation, the scheduled execution number (scheduled), and the remaining number of times of execution or the digestion (achievement) rate (progression) with respect to the scheduled execution number. indicate. The numerical values and display modes of these parameters can be set from the setting device 20. The setting device 20 is connected to the operation rate display unit 15 via the cable 21, and the operator operates the input operation unit 22 such as a numeric keypad or the ENTER key while looking at the operation rate display unit 15, so that the numerical value of the parameter is set. And a display mode can be set.

  The initial value of the number of executions and the scheduled number of executions can be arbitrarily set. To the planned number of executions, the number of executions is a pulse accompanying a press operation from the press machine 1 from an arbitrary initial value. I will count. In the counting, the pre-scale value can be counted. For example, when the pre-scale value is 100, the execution count is incremented by 1 at 100 counts. Further, when preforming with a shallow stroke and then performing final molding with a deep stroke, only the number of executions of main molding may be counted, or the number of executions of preforming may be added and counted.

  On the other hand, as the display of the remaining number of executions or the digestion (achievement) rate (progress), the difference between the scheduled number of executions and the current number of executions (− until exceeding the schedule, +) It is possible to select which of the ratio of the current execution count to the execution count is displayed.

  Among these parameters, at least the data of arbitrary parameters including the current number of executions, the operating rate display unit 15 has an output terminal for outputting to the outside. The progress of work can be confirmed. Therefore, the output can be a complete output with an arbitrary value. The completion output is generated when the predetermined number of executions is reached before the scheduled number of executions is reached, and thereby, the scheduled end of the day, the change of workers, the replacement of tools, the replacement of consumables, etc. Replenishment etc. can be notified.

  FIG. 3 is a front view showing the internal structure of the operating rate display unit 15. The internal structure of the availability display unit 15 is generally configured by mounting a CPU module 24, a power supply board 25, and three display boards 27 to 29 on a base plate 23. A terminal block of input / output terminals (not shown) is attached to the casing. The three display substrates 27 to 29 respectively correspond to the number of executions (actual), the number of scheduled executions (planned), and the remaining number of executions or the digestion (achievement) rate (progression) with respect to the number of scheduled executions. . On these display boards 27 to 29, the light emitting diodes are arranged in Japanese characters (the actual and planned display boards 27 and 28 are each 5 digits, and the progress display board 29 is 4 digits).

  When the angle monitor 10 is attached to the head portion or the like of the press machine 1 as shown in FIG. 1, the CPU module 24 is attached via an anti-vibration rubber in order to withstand the vibration. Further, a rubber sheet is affixed to the rear surface of the display substrates 27 to 29 that are installed one step higher on the front side, so that the internal wiring 30 is not damaged by the vibration. Furthermore, in each of the substrates 25, 27 to 29 and the CPU module 24, portions that are vulnerable to vibration such as capacitors and solder wiring are fixed with hot bonds, and cracks caused by the vibration are suppressed. Further, a cable protected by rubber is used for the internal wiring 30 in order to prevent rubbing with each of the substrates 25, 27 to 29 and the CPU module 24. The connectors used in the substrates 25, 27 to 29 and the CPU module 24 all have a lock mechanism.

  As described above, the angle monitor 10 according to the present invention is provided with the operation rate display unit 15 in addition to the conventional angle monitor unit 11, so that the operator frequently checks the workpiece for taking out the workpiece. At the same time as confirmation, if necessary, the number of executions (actual values) from the day or from tool replacement or supply of consumables can be easily confirmed with few eye movements, improving workability and convenience Can do.

  Further, since the operation rate display unit 15 of the angle monitor 10 displays not only the number of executions but also the scheduled number of executions, the digestion (achievement) rate with respect to the target of daily production can be confirmed, tool replacement and consumption It is possible to easily manage work such as estimating the replenishment timing of goods, and the workability and convenience can be further improved.

  Furthermore, since the operation rate display unit 15 of the angle monitor 10 also displays a difference or achievement rate with respect to the actual execution number with respect to the scheduled execution number, the operator can determine the actual execution number with respect to the scheduled execution number. There is no need to obtain the difference or the achievement rate, and since it is automatically displayed, the work can be managed more easily.

It is a perspective view of a press machine carrying an angle monitor concerning one embodiment of the present invention. It is a perspective view of the angle monitor. It is a front view which shows the internal structure of the operation rate display part in the said angle monitor. It is a figure which shows the structure of the conventional angle monitor. It is a figure which shows the structure of the conventional angle monitor.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Press machine 2 Leg stand 3 Press machine main body 4 Operation part 5 Operation control part 10 Angle monitor 11 Angle monitor part 12 Analog display part 13 Digital display part 15 Operation rate display part 20 Setting device 22 Input operation part 23 Base board 24 CPU module 25 Power supply board 27-29 Display board

Claims (4)

In an angle monitor that is provided in an industrial machine that repeats a predetermined periodical operation and displays the phase angle of the period,
An industrial-use angle monitor comprising a counter that counts the number of executions of the periodic operation and displays at least the count value.   2. The industrial machine angle monitor according to claim 1, wherein the counter also displays a preset scheduled number of executions of the periodic operation.   3. The angle monitor for industrial machines according to claim 2, wherein the counter also displays a difference or achievement rate between the scheduled execution count and the actual execution count.   The angle monitor for industrial machines according to any one of claims 1 to 3, wherein the counter has an output terminal for outputting the count value to the outside.