JPH06344069A - Rotary dividing device - Google Patents

Abstract

PURPOSE:To execute the accurate dividing and to correct dividing to the normal position by providing a detecting piece to be freely advanced/retreated which arranges a sensor for confirming the rotation of a cylindrical material and the detection of a slot groove, and srranging a positioning guide for making sure of the dividing. CONSTITUTION:The dividing is made to be confirmed with the detecting piece embedding the sensors 17a, 17b for the rotation of the cylindrical material 2 holding a work 1 and the detection of the slot groove 2a thereof. After completing the dividing, the positioning guide 19 is inserted into a gap between the works 1 and the dividing is made to be sure. It can be confirmed whether or not the dividing of the cylindrical material 2 starts, with the sensors 17a, 17b embedded in the detecting piece and also, even in the case of generating the defective dividing, by inserting the positioning guide 19 into the gap between the works 1, the dividing can be corrected to the normal position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a work (rectangular object) in a plurality of grooves provided on the circumference of a rotating cylindrical object.
The present invention relates to a technique for automatically indexing and detecting a groove of the cylindrical object by one pitch in a swaging device which is processed in a state in which is inserted and held.

[0002]

2. Description of the Related Art FIGS.
FIG. 2 is a plan view and a front view of the conventional swaging device shown in FIG. 1, in which 1 is a work (rectangular object) to be swaged, and a cylindrical object 2 having a slot groove 2 a.
Is processed in the state of being inserted into. Reference numeral 3 denotes a metal fitting for molding the work 1, which is attached to the holder 4. 5 is a metal fitting 3
Positioning pieces disposed on both sides of the holder and having V-shaped positioning portions 5a at their ends, which are fitted in the guide holes 6 provided in the holder 4, are biased forward by the compression spring 7, and the tightening nut 8 It maintains a stationary state at a certain position. Reference numeral 9 denotes a hydraulic cylinder that horizontally reciprocates the holder 4 and is mounted on the frame 10. Reference numeral 11 is a shaft for rotating the cylindrical object 2, 12 is a claw for grasping the shaft, 13 is an air chuck for driving the claw, 14 is a motor, 15 is a speed reducer for transmitting the rotation of the motor to the rotation of the air chuck. Is. In addition, FIG.
Is a detailed view of the slot groove 2a detecting portion, and 25 is a sensor for detecting the slot groove 2a, which is embedded in the positioning piece 5.

Next, the operation will be described. First, the working fluid is sent to the forward side in the hydraulic cylinders 9 on both sides to move the cylinder rods 9a on both sides forward, and the tip ends of the positioning pieces 5 respectively arranged at the facing positions as shown in FIGS. The positioning portion 5a is provided with the slot groove 2a of the cylindrical object 2.
And position it. When the hydraulic cylinder rod 9a further moves forward, the pressing member 5 is pressed against the work 1 to perform the swaging operation. Next, when the predetermined swaging work is completed, the claw 1 of the air chuck 13 is
2 When compressed air is sent to the closed side, the claws 12 on both sides are closed, the shaft 11 is grasped, and the motor 14 is driven, the air chuck 13 rotates via the reduction gear 15 to index one slot, and the next Perform swaging work. Then, in order to confirm whether or not the above-mentioned indexing has been performed, the slot groove 2a is detected by the sensor 25 embedded in the positioning piece 5, and if the indexing is completed, the cylinder rod 9a is further advanced. If the slot groove 2a is not detected, the cylinder rod 9a
Stop moving forward. By the way, at this time, the positioning piece 5
Is located at the corner of the cylindrical object 2 deviating from the center of the slot groove 2a, the tip of the positioning piece 5 should touch and then move forward along the V shape of the positioning portion 5a so as to fit into the slot groove 2a. In this case, there is a possibility that the pressing metal piece 3 may press and damage the cylindrical object 2. In addition, the conventional swaging device determines whether or not indexing has been performed, that is, the cylindrical object 2 rotates and the next slot groove 2 is rotated.
Since there is no means for confirming whether or not a has been detected, the work 1 provided at the same slot groove
May be pressed many times.

[0004]

Since the indexing device of the conventional swaging device is constructed as described above,
As described above, there are major problems in terms of reliability, such as the pressing metal fittings may swage a cylindrical object, or the same workpiece may be pressed multiple times to cause damage. It was

The present invention has been made in order to solve the above-mentioned problems, and it is possible to surely confirm whether or not a cylindrical object is rotated and indexed, and at the same time, it is possible to perform regular indexing, and therefore the cylinder An object of the present invention is to provide an index detection device that does not damage an object or a work.

[0006]

A rotary indexing device according to the present invention enables the indexing to be confirmed by a detection piece having a sensor for detecting the rotation of a cylindrical object holding a work and its slot groove. After indexing was completed, a positioning guide was inserted in the gap between the workpieces to ensure indexing.

[0007]

In the present invention, it is possible to confirm whether indexing has been started by the sensor in which the cylindrical object is embedded in the detection piece, and even if the indexing failure occurs, the positioning guide is inserted into the gap of the work. , The index can be corrected to the regular position.

[0008]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to the drawings. First, in FIGS. 1 to 4, reference numerals 1, 2, 3 and 10 are the same as those of the conventional one, and 16 is a detection piece arranged above the pressing metal fitting 3 and having a flat surface 16 a in contact with the cylindrical object 2. It has a detection sensor 17a for confirming that it is in contact with an object and a proximity sensor 17b for detecting and confirming the slot groove 2a of a cylindrical object. 18 is this detection piece 16
It is an air cylinder that drives the cylinder back and forth. Next, in FIGS. 5 and 6, reference numeral 19 is a positioning guide having a V-shaped tip 19a, which is inserted between the workpieces 1 for accurate indexing, and 20 is this guide 19.
Is a drive cylinder that drives the drive frame 21 and the linear guide 23 back and forth.

Next, the indexing work of the swaging device having the above construction will be described. First, as shown in FIGS.
Detection piece 16 having individual detection sensors 17a, 17b
Is moved forward by the air cylinder 18, and its front surface 16
a is brought into contact with the cylindrical object 2 as shown in FIG. At this time,
One detection sensor 17a detects whether or not the cylindrical object 2 and the detection piece 16 are in contact with each other, and then the cylindrical object 2 is rotated. When the cylindrical object 2 starts to rotate, the other detection sensor 17b detects the presence or absence of the slot groove 2a to detect whether the cylindrical object 2 has rotated and whether it has indexed. After the cylindrical object 2 has been indexed as described above, even if the indexing is incomplete, the drive cylinder 20 is moved forward as shown in FIGS. By inserting the portion 19a between the works 1, it is possible to move along with this and complete the indexing.

Embodiment 2. Next, FIGS. 7 to 9 show another embodiment of the present invention. In the figure, 23 is a detection sensor embedded in the central portion of the tip of the positioning guide 19 in addition to the one of the first embodiment. Yes, after indexing
When the drive cylinder 20 is moved forward, the tip of the positioning guide 19 hits the work 1 or the fact that the indexing is incomplete is detected to further ensure the indexing accuracy.

Embodiment 3. 10 and 11 show another embodiment of the present invention, in which the indexing position can be more surely confirmed during the swaging operation after indexing. That is, in the figure, 24 is held by the holder 4 together with the press fitting 3 via the spring 7, the tip of which is a flat surface 24a, and 25 is a detection sensor which is embedded in the central portion of this receiving piece 24.

In such a case, when the flat surface 24a of the receiving metal 24 comes into contact with the cylindrical object 2, the detection sensor 25 embedded therein shifts from the slot groove 2a as shown in FIG. When 2 is detected, it is confirmed that the indexing is defective, and the swaging operation is stopped. By doing so, it is possible to further eliminate the defective state after the completion of the indexing.

[0013]

As described above, according to the present invention, it is possible to detect, for example, when the cylindrical object holding the workpiece has a defective rotational movement and the indexing is incomplete, and
Even if an indexing failure occurs, by inserting the positioning guide into the gap between the workpieces, the position can be corrected to the correct position, and there is an effect that accurate indexing can be performed.

Further, by providing the guide with the detection sensor, when the guide hits the end face of the work and stops, the indexing failure can be detected.

Further, during the swaging operation after the indexing, if the detection sensor embedded in the receiving metal detects the cylindrical object, the swaging operation can be stopped and the pressing metal fitting can be prevented from swaging the cylindrical object.

[Brief description of drawings]

FIG. 1 is a plan view showing an indexing confirmation sensor according to an embodiment of the present invention.

FIG. 2 is a front view showing an index confirmation sensor according to an embodiment of the present invention.

FIG. 3 is a detailed plan view showing an indexing confirmation sensor according to an embodiment of the present invention.

FIG. 4 is an enlarged front view showing an indexing confirmation sensor according to an embodiment of the present invention.

FIG. 5 is a plan view showing indexing positioning according to an embodiment of the present invention.

FIG. 6 is a front view showing indexing positioning according to an embodiment of the present invention.

FIG. 7 is a plan view showing indexing positioning according to another embodiment of the present invention.

FIG. 8 is a front view showing indexing positioning according to another embodiment of the present invention.

FIG. 9 is a plan view showing an indexing positioning defect according to another embodiment of the present invention.

FIG. 10 is a plan view showing a slot groove detection sensor according to another embodiment of the present invention.

FIG. 11 is a front view showing a slot groove detection sensor according to another embodiment of the present invention.

FIG. 12 is a plan view showing a conventional swaging device.

FIG. 13 is a front view showing a conventional swaging device.

FIG. 14 is a plan view showing a slot groove positioning detection sensor of a conventional swaging device.

[Explanation of symbols]

 1 Work (rectangular object) 2 Cylindrical object 2a Slot groove 3 Push metal fitting 4 Holder 7 Compression spring 16 Detection piece 17a, 17b, 23, 25 Detection sensor 18 Air cylinder 19 Positioning guide 20 Drive cylinder 24 Receiving

Claims (3)

[Claims] 1. In a state in which a work is inserted and held in a plurality of slot grooves provided on the circumference of a rotating cylindrical object, a push-fitting member that can be advanced and retracted from the outside is inserted into the slot groove for processing. In the swaging device, which has a flat surface circumscribing the cylindrical object, is provided with a forward / backward detecting piece provided with a sensor for confirming the rotation of the cylindrical object and for detecting and confirming the slot groove, and between the workpieces. A rotary indexing device, which is provided with a positioning guide that is inserted into the gap of the slot to ensure indexing. 2. The rotary indexing device according to claim 1, wherein an indexing defect detection sensor is provided at the tip of the indexing guide to enable double confirmation. 3. A receiving device, which is held by a holder same as the above-mentioned pressing member via a spring and has a flat tip and a slot groove checking detection sensor embedded therein, in order to further check the indexing position during swaging operation after indexing. With money,
The rotary indexing device according to claim 2, characterized in that a triple check can be performed.