Short workpiece control专利检索-运动探测器传感器与探测器专利检索查询-专利查询网

Short workpiece control

阅读：461发布：2023-07-22

专利汇可以提供Short workpiece control专利检索，专利查询，专利分析的服务。并且A workpiece measuring device is arranged to interrupt an automatic metal working machine if workpieces are short. The device includes a feeler movably mounted to extend into the path of relative motion of the machine''s index mechanism for indexing tools or workpieces. An electric switch is operated by the feeler when workpieces of adequate length engage the feeler and move it during indexing. The switch is arranged in an RC circuit that interrupts the machine after lapse of an interval slightly exceeding the time for one cycle of the indexing mechanism, and actuation of the switch for each workpiece of adequate length disables the interruption to allow the machine to continue operation so long as no short or missing workpieces are encountered by the feeler.，下面是Short workpiece control专利的具体信息内容。

权利要求

1. In an automatic metal working machine having an index mechanism for indexing tools or workpieces suCcessively to work stations, a short workpiece control system comprising: a. a movable feeler comprising a rotatable rod and an arm extending radially from said rod; b. means for mounting said feeler on said machine in the region of the path of motion of said indexing mechanism relative to said machine; c. said feeler arm being arranged for extending into said path of relative motion to a position for engaging the forward regions of said workpieces to move said feeler during said motion of said indexing mechanism between said work stations; d. means for displacing said feeler axially of said workpieces to the forward ends of said workpieces during said feeler movement; e. an electric switch arranged on said machine to be actuated by a pre-determined amount of said axial displacement of said feeler; f. a housing for said feeler rod; g. a coupling between said rod and said housing for moving said rod axially to actuate said switch as said rod rotates; h. said feeler being arranged so that only the ones of said workpieces that are of adequate length can cause said axial displacement of said feeler by said pre-determined amount to actuate said switch; i. an electric circuit including said switch; j. said circuit being arranged for interrupting the operation of said machine after lapse of an interval slightly exceeding the time for one cycle of said indexing mechanism; and k. said switch being arranged in said circuit for disabling said interruption upon said switch actuation.

2. The system of claim 1 wherein said machine includes a reject mechanism, and said circuit is arranged so said interruption comprises operating said reject mechanism to reject a short one of said workpieces.

3. The system of claim 1 wherein said circuit is arranged so said interruption comprises indicating a short or missing one of said workpieces.

4. The system of claim 1 wherein said circuit is arranged so said interruption comprises stopping said machine.

5. The system of claim 4 wherein said circuit is arranged so said interruption comprises indicating a short or missing one of said workpieces.

6. The system of claim 1 wherein said circuit includes means for indicating said actuations of said switch to show that said workpieces have adequate length.

7. The system of claim 1 wherein said coupling comprises a screw thread connection.

8. The system of claim 1 wherein said coupling comprises a cam and a follower.

9. The system of claim 1 including means for disabling said interruption during start-up of said machine.

10. The system of claim 1 wherein said circuit includes resistor and capacitor means for timing said interval.

11. The system of claim 10 wherein said switch is arranged for discharging a capacitor of said resistor and capacitor means upon said switch actuation.

12. The system of claim 11 including an indicator lamp arranged to be energized by said capacitor discharge to indicate a workpiece of adequate length.

13. The system of claim 1 wherein said circuit is arranged so said interruption comprises indicating a short or missing one of said workpieces.

14. The system of claim 13 wherein said circuit is arranged so said interruption comprises stopping said machine.

15. The system of claim 14 including means for disabling said interruption during start-up of said machine.

说明书全文

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Short workpiece control

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