JPH04371328A - Micro-joint separation device with tapping function - Google Patents

Abstract

PURPOSE:To improve productivity by providing a micro-joint separation device with a tapping function and thereby leveling a cycle time. CONSTITUTION:The device is provided with a grip 6 by which a work 2 brought to the upstream side of the body 1 is moved in the X-axis direction; a hammer 30 which is set on the above body 1 and freely movable in the Y-axis direction orthogonally crossed with the above X-axis; a tapping device 40; an NC device 35 by which the hammering spot and the tapping spot of the work 2 are positioned through the movement of the above grip 6, hammer 30, and tapping device 40 to the X-Y axis direction; and receiving bases 31, 32 supporting from down below the work 2 on which a hammering is given by the above hammer 30 and a tapping process is performed by the tapping device 40. The tapping process is also performed by the micro-joint separation device.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microjoint separating device having a tapping function that allows tapping to be performed on a workpiece that has been processed with a microjoint.

0002

[Prior Art] Conventionally, when processing a larger number of plate-shaped workpieces using a turret punch press or a laser processing machine, the workpieces and products are processed while being connected by micro joints or wire joints, and after processing, micro A processing method is known in which the product is separated from the joint or wire joint part. Furthermore, when tapping a product processed by micro-joint processing, conventionally a tapping device is provided in a turret punch press, a laser processing machine, etc., and the tapping device is used to perform the tapping process after micro-joint processing.

0003

[Problems to be Solved by the Invention] However, when a tapping device is installed in a conventional turret punch press or the like, the cycle time for tapping after micro-joint processing and the cycle time for the micro-joint separation device to separate the micro-joints are shortened. Because of the large difference, if a system was configured by installing a micro-joint separation device downstream of a turret punch press, etc., there was a problem that the line balance would deteriorate and productivity would drop significantly. This invention was made for the purpose of improving the above-mentioned problems, and it provides a micro-joint separating device with a tapping function that allows tapping processing to be performed on the micro-joint separating device side, thereby leveling out the cycle time and improving productivity. This is what we are trying to achieve.

0004

[Means for Solving the Problems] In order to achieve the above object, the present invention includes a grip for moving a workpiece carried in upstream of the main body in the X-axis direction, and a grip provided on the main body and arranged in the X-axis direction. A hammer and a tapping device that are movable in the orthogonal Y-axis direction, the grip, and a hammer and tapping device that are moved in the X-Y axis direction to position the hammering location and the tapping location of the workpiece.
The apparatus is equipped with a C device and a pedestal that supports from below the workpiece to be hammered by the hammer and the workpiece to be tapped by the tapping device.

[0005]

[Function] With the above configuration, after the product is tapped using the NC-controlled tapping device, the micro-joints can be separated accurately using the hammer, which equalizes the cycle time compared to turret punch presses, etc. This will improve line balance and improve productivity.

[0006]

[Embodiment] The present invention will be described in detail with reference to an illustrated embodiment. In the figure, reference numeral 1 denotes the main body of this apparatus, and roller conveyors 3 and 4 for conveying a workpiece 2 are installed on the upstream and downstream sides with respect to the workpiece conveyance direction (arrow A). Note that 3b and 4a indicate drive motors for these roller conveyors. A guide rail 5 is installed on the sides of both the roller conveyors 3 and 4, and a grip 6 for gripping the workpiece 2 is supported on the guide rail 5 so as to be movable in the workpiece conveyance direction A.

[0007] The roller conveyor 3 of the guide rail 5,
A ball screw shaft 7 is supported on the 4 side in parallel with the guide rail 5, and a ball nut 8 provided on the grip 6 is meshed with this ball screw shaft 7. By rotating the ball screw shaft 7 with an X-axis servo motor 9 provided at the downstream end of the guide rail 5, the grip 6 can be moved in the X-axis direction (workpiece conveyance direction A). . Further, an elevating table 12 is installed below the roller conveyor 3 provided on the upstream side of the main body 1.

A large number of free bearings 13 are installed on the upper surface of the elevating table 12 so as to be located between the rollers 3a of the roller conveyor 3, and an elevating mechanism 14 is provided on the lower side of the elevating table 12. It is being The elevating mechanism 14 has a link 14a whose bent portion is supported by a pedestal 16 by a pin 15 and has a substantially V-shape.
The upper ends of these links 14a are pivotally connected to the lower surface of the lifting table 12.

The lower end side of each link 14a is an interlocking rod 14.
b, and one end side of the interlocking rods 14b is connected to a lifting cylinder 17. By rotating each link 14a around a pin 15 by this lifting cylinder 17, the lifting table 12 can be moved. It is possible to rise from the lowered position shown by the imaginary line in FIG. 5 to the raised position shown by the solid line, and at this time, the free bearing 13 installed on the upper surface is projected upward from the roller conveyor 3 as shown in FIG. It looks like this.

On the other hand, the roller conveyor 4 provided on the downstream side of the main body 1 is installed one step lower than the roller conveyor 3 on the upstream side. It can be moved in the axial direction. A large number of free bearings 21 are installed on the upper surface of the movable table 20 so as to be flush with the free bearings 13 on the upper surface when the elevating table 12 is in the raised position.

A pedestal 22 is installed on the side of the roller conveyor 4 in the Y-axis direction, and the movable table 20 is supported by a guide rail 23 installed on the pedestal 22 so as to be movable in the Y-axis direction. ing. A movable table motor 24 attached to the pedestal 22 allows the movable table 20 to be moved from a use position above the roller conveyor 4 to a standby position above the pedestal 22.

On the other hand, the main body 1 is formed in a gate shape,
A pair of guide rails 25 are vertically spaced apart from each other in the Y-axis direction on the side surface of the upper frame 1a, which is provided to cross the workpiece conveyance direction A. A carrier 26 is movably attached to these guide rails 25. A ball screw shaft 28 rotated by a Y-axis servo motor 27 is provided between the guide rails 25, and a ball nut 29 provided on a carrier 26 is screwed onto this ball screw shaft 28, so that the Y-axis servo motor By rotating the ball screw shaft 28 by the motor 27, the carrier 26 can be moved in the Y-axis direction.

A plurality of hammers 30 and one tapping device 40 are attached to this carrier 26. The hammer 30 is connected to an air cylinder 30a as shown in FIG.
A striker 3 made of an elastic material such as urethane is attached to the tip of a piston rod 30c that projects downward from a piston 30b housed in the air cylinder 30a.
0d is attached. In addition, the above-mentioned tapping device 40
As shown in FIG. 7, a tapping motor 41 is attached to the side of the case 40a.
1, the tapping shaft 43 is rotated via the reduction gear 42 inside the case 40a.

The lower end of the tapping shaft 43 is connected to the case 40.
A chuck 44 is provided at the tip of the chuck 44, which protrudes downward from the point a, and a tap 45 is attached to this chuck 44. The hammer 30 and the tapping device 4
Two pedestals 31 and 32 are installed below 0. These pedestals 31 and 32 are located on the upstream side and the side,
A lift mechanism 33 allows simultaneous and alternate vertical movement.

Next, to explain the operation, when the workpiece 2 that has been micro-jointed by a turret punch press or a laser processing machine (none of which are shown) is carried in by the roller conveyor 3 on the upstream side, the elevating table 12 is raised. do,
The free bearing 13 on the lifting table 12 is the workpiece 2.
The grip holds one end of the workpiece 2 from below. At this time, the moving table 20 is positioned on the roller conveyor 4 on the downstream side as shown in FIG. 9(a), and in this state, the grip 6 and the carrier are 26 is moved in the X-Y axis direction, and the tapping portion of the product 2a is positioned on the tapping device 40. In this state, tap 4 of the tapping device 40 is first applied to the tapping location of the product 2a.
Tapping processing is performed in step 5.

When the tapping process of the product 2a is completed, the grip and carrier 26 are moved to the X-
The workpiece 2 is moved in the Y-axis direction and the hammering point of the workpiece 2 is positioned below the hammer 30. That is, when the workpiece 2 subjected to the micro-joint processing is as shown in FIG. 8(a), the hammering order is input to the NC device 35 in advance, and the hammering points (1) and (2) of the workpiece 2 are first positioned. At this time, as shown in FIG. 9(b), the upstream lifting table 12 and the pedestal 31 are lowered. In this state, air is supplied to the air cylinder 30a of the hammer 30, the piston 30b descends, and the striker 30d attached to the tip of the piston rod 30c moves the hammer near the micro joint 2b that connects the work 2 and the product 2a. The microjoint 2b shown in FIG. 8(b) is separated by striking the ring portions ■ and ■.

[0017] After that, the hammering points of work 2 ■, ■
Once positioned, as shown in FIG. 9(c), the upstream lifting table 12 and the pedestal 31 rise, the downstream movable table 20 retreats, and the pedestal 32 descends. In this state, the striker 30d of the hammer 30 strikes the hammered points (1) and (2) to separate the microjoint 2b. The product 2a separated from the workpiece 2 is then carried out by a roller conveyor 4 on the downstream side. Thereafter, by repeating the above operation, after performing tapping processing on the product 2a of the workpiece 2 carried in by the roller conveyor 2 on the upstream side, the product 2a can be separated and carried out by the roller conveyor 3 on the downstream side. It becomes like this.

[0018]

Effects of the Invention: As detailed above, this invention makes it possible to tap the product when separating the micro-joints. Productivity can be improved because the cycle time between both machines is equalized, such as by reducing the waiting time of the separation joint. Also, for hammers and tapping devices,
Since the X-Y drive system controlled by the NC device in the X-Y axis directions can be shared, the device configuration is simpler and cheaper than when these drive systems are provided for each hammer and tapping device. be able to.

[Brief explanation of drawings]

FIG. 1 is an overall plan view of a micro-joint separation device according to an embodiment of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a left side view of the same.

FIG. 4 is a right side view of the same.

FIG. 5 is a detailed view of the lifting mechanism.

FIG. 6 is an enlarged sectional view of the hammer.

FIG. 7 is an enlarged sectional view of the tapping device.

FIG. 8(a) is a plan view of a workpiece processed with a microjoint. (b) It is an enlarged view of the micro joint part.

FIG. 9(a) is an explanatory diagram of the action during separation. (b) It is an explanatory diagram of the action at the time of separation. (c) It is an explanatory diagram of the action at the time of separation.

[Explanation of symbols]

1 Main body, 2 Work, 6 Grip, 30
Hammer, 31, 32 cradle, 35 NC device, 4
0 Tapping device.

Claims (1)

[Claims] [Claim 1] Workpiece 2 carried into the upstream side of main body 1
a grip 6 that moves in the X-axis direction, a hammer 30 and a tapping device 40 that are provided on the main body 1 and that are movable in the Y-axis direction orthogonal to the X-axis, the grip 6, the hammer 30, and the tapping device 40 in the X-Y axis direction to position the hammering location and the tapping location of the workpiece 2; the workpiece 2 being hammered by the hammer 30 and the workpiece being tapped by the tapping device 40; A micro-joint separation device having a tapping function and comprising pedestals 31 and 32 that support the micro-joint separation device 2 from below.