KR920005307Y1 - Multi-spindle automatic driving apparatus - Google Patents

Abstract

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Description

Multi-spindle Automatic Drive

1 is a schematic diagram showing the overall driving relationship of the present invention.

2 is a perspective view of an operating state for mounting a workpiece.

3 is a perspective view of the operating state of the spindle carrier and the clutch gear.

4 is a perspective view showing a state in which the cleat chuck is operated by the clutch gear.

4A or 4A line sectional view taken along line A-A.

5 is an enlarged plan view of the clutch gear.

6 is a cross-sectional view of the collet chuck.

7a or an exemplary view of a spindle carrier having several spindles, (b) is an exploded view of drilling a workpiece mounted on a plurality of spindles, (c) is a cross-sectional view of the workpiece completed drilling, (d) is a multi-axis machining An illustration of the machining state of the workpiece.

* Explanation of symbols for main parts of the drawings

1: Spindle carrier 2a, 2b, 2c, 2d, 2e: Spindle

3: collet chuck 4: workpiece support

5: groove 6: square frame

7: fastening pin 8: fixing plate

9a, 9b, 9c, 9d, 9e, 9f, 9g: Spring 10: Front frame

11: distribution plate 12: insertion rod

13: moving body 14: connecting rod

15: lever fixing frame 16a, 16b: forward lever

17: sliding guide plate 18: the workpiece

19,19a: arm lever 20: transfer cam

21: forward cam 22: part feed shaft

23: deceleration motor 24: clutch gear

25: rear cam 26: guide frame

27: shrink pin 28a, 28b: drive lever

29: projection 30a, 30b: round pin

31: support shaft 32: drive cam

33: rotation axis 34: stop

35: support plate 36: connecting plate

37: guide rod 38: horizontal moving body

39: spindle gear 40: jaw of arc

41: main shaft

The present invention relates to a lathe for attaching multiple spindles to a single spindle carrier to automate the machining of a multi-process workpiece.

In the conventional automatic lathe, the fixed single-axis spindle lathe is time-consuming because the mounting and removal of the workpiece is performed by one spindle when performing a higher speed operation.

The present invention solves such a conventional problem, and an object of the present invention is to allow the workpiece to be mounted and processed by one spindle, so that the mounting of the workpiece before processing and the removal of the processed workpiece are performed simultaneously in a bundle. In addition to increasing productivity, the present invention provides a multi-spindle automatic drive that can be continuously processed into workpieces that require multiple machining steps.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention is one spindle (2a) in coupling the spindle (2a) (2b) equipped with a conventional collet chuck (3) by two or more multi-spindle to the spindle carrier (1) as illustrated in FIG. On one side, a sliding guide plate 17 is provided as a feeding means of the workpiece, and has a groove 95 for sequentially mounting the workpiece 18 supplied into the sliding guide plate 17, and left. The work support 4 which is movable to the right is installed under the sliding guide plate 17, and on one side of the work support 4 is installed under the sliding guide plate 17 by the flow plate 11. (4) On one side of the rectangular frame 6 coupled to the sliding guide plate 17 by the flow plate 11 and connected to the work support 4, the front frame body 10 forming a case as shown in FIG. It is connected by a fixed plate 8 and a spring 9a fixed to the spring.

An arm lever 19a is connected to the other side of the square frame 6 by a fastening pin 7.

In addition, on the straight line with the groove 5, the insertion rod 12 is connected to the moving body 13 and coupled to the moving body 13, and the moving body 13 is piled up with a spring 9b.

In addition, the connecting rod 14 is installed at the rear of the moving body 13 and is connected to the lever fixing frame 15 having the forward lever 16a.

The component feed shaft 22 having the feed cam 20 for operating the arm lever 19a and the advance cam 21 for operating the electronic lever 16a is supported by the front frame 10 forming a case. The cam 20 and the forward cap 21 are formed with different rotation angles, and the component feed shaft 22 is connected to the reduction motor 23 by a chain (not shown).

The component feed shaft 22 is connected to the clutch gear 24 behind the spindle carrier 1 and is configured to engage with the rear cam 25 as shown in FIG.

The clutch gear 24 and the rear cam 25 are driven for the lower part of the clutch gear 24 is provided with a guide frame 26 and the upper guide frame 26, as illustrated in Figure 4a The attached shrink pin 27 which is supported by the spring 9c protrudes.

Then, driving levers 28a and 28b having projections 29 at one end are surrounded by guide frames 26, and both driving levers 28a and 28b are prevented from being separated by springs 9d. Consists of.

The drive levers 28a and 28b are fixed to the support shaft 31 under the spindle carrier 1, and the number of the up and down drive numbers of the drive levers 28a and 28b is different. The driving cam 32 on one side which is in charge of the separation and separation has four protrusions, while the driving cam 32 on the other side having two protrusions that is responsible for the rotation of the spindle carrier 1 is the reduction motor 23. It is installed on the rotating shaft 33 connected to the shaft), and is piled up by a body spring 9e fitted to the support shaft 35 fixed to the stopper 34 of the drive lever 28a and the spindle carrier 1 gear.

And, the other side of the rear cam 25 is provided with a forward lever 16b, the forward lever 16b is supported to be fluidly fastened to the connecting plate 36 is fixed to the rear, not shown.

A horizontal moving body 38 for operating the collet chuck 3 coupled to the bolt is fixed to the front end of the forward lever 16b, and one end is shown on the front end surface of the forward lever 16b. Shaft is fixed to the other end of the spring (9f) is fixed to the rear frame is omitted, the main shaft 41 is connected to the center of the arcuate jaw (40) of the spindle gear 39 of the rear side of the spindle carrier (1) On both sides, the extension of the spindles 2a and 2b surrounds the sliding sleeve of the collet chuck 3.

In the drawings, reference numeral 42 is a bite, 43 is an opening and closing groove, 44 is a clutch gear groove, 45 is a drill, 46 is a knurling, 47 is a boring ring, 48 is a taper, and 49 is a turing.

Such configuration and specific effects of the present invention are as follows.

The workpiece 18 loaded along the sliding guide plate 17 using the vibrator is located under the sliding guide plate 17 and is fastened to the square frame 6 at the side of the workpiece support 4 having the groove 5. By moving the arm lever (19a) coupled to the left and right to be sequentially dropped to the groove (5).

At the same time, the insertion rod 12 is in line with the groove 5 of the work support 4, and the work body 18 is moved by moving the battery 13 with the moving body 13.

Advancement of the lever fixing frame 15 coupled to the feed cam 20 of the work support 4 driving the arm lever 19a of the component feed shaft 22 and the connecting rod 14 of the rear surface of the moving body 13. The forward cam 21 for driving the lever 16a can be sequentially driven with different rotation angles.

When the work support 4 is pulled to the right, the spring 9a of the fixing plate 8 fixed to the front frame 10 is connected to the square frame 6 of the bottom part to exert a tensile force, thereby allowing the original position to be returned. .

In addition, the movable body 13 of the insertion rod 12 also has a spring 9b on one side of the base, so that the positional return after insertion is automated and the work 18 is mounted.

In this way, the groove 5 of the workpiece support 4 and the spindle 2a in line with each other bit the workpiece 18 by opening and closing the collet chuck 3, and the circle of the main shaft 41 as shown in FIG. When the spindle is rotated 180 degrees by the spindle gear 39, which is selectively engaged with the arc jaw 40, the other spindle 2b again becomes the groove 5 of the workpiece support 4 when machining with the bite 42 or the like. In this case, the main shaft 41 rotates the spindle carrier 1 from the main power source, and the stopper 34 for maintaining the rotation of the spindle carrier 1 by 180 degrees to one side. Since the stopper 34 is connected to the arm lever 19b, the stopper 34 meshes with the spindle lever 1 by the drive of the arm lever 19b.

Then, due to the spring (9e) on the back of the stopper (34) transfer between the support (35). Reverse is easy.

The cam 32 of the arm lever 19b is installed between the drive lever 28a connected to the arm lever 19b and the drive lever 28b on the other side, and the rotary shaft 33 is connected to the reduction motor 23. It is.

Drive levers 28a and 28b are plural and one side is engaged with the arm lever 19b of the stopper 34 to rotate the spindle carrier 1 and the other side is responsible for driving the clutch gear 24. It is fitted together and fixed to the support shaft 31 under the spindle carrier 1.

When the drive cam 32 is driven at the rotational ratio as described above, the clutch gear 24 may be driven by hitting the circular pins 30a and 30b at the tip ends of the drive levers 28a and 28b. Drive lever 28b in charge of opening and closing the clutch gear 24 at a rotation speed of 2: 1 of the spindle carrier 1, and at the same time opening and closing of the collet chuck 3 is performed. 28b) The guide frame 26 is provided below the rear end so as to be attached to the guide frame 26. When the drive cam 32 is rotated and the drive lever 28b is raised upward, the guide frame 26 is provided. The projection 29 of the driving lever 28b on one side slides in the opening / closing groove 43 of the clutch gear 24 to be engaged by the force of the spring 9g in the clutch gear 24, and again the projection 29 is the opening / closing groove. When it is inserted into (42) and opened, the shrink pin 27 on the upper guide frame 26 is fitted into the groove of the clutch gear 24 by the force of the spring 9c inside.

The drive levers 28a and 28b on both sides of the guide frame 26 are connected by a spring 9d to prevent their separation.

The shaft of the clutch gear 24, which is formed in the same line as the component feed shaft 22, is engaged with the gear of the spindle carrier 1, and as the clutch gear 24 is engaged, the rear cam 25 is driven to the rear cam. When the forward lever 16b installed on the other side of the 25 moves forward and backward by riding the rear cam 25, the connecting plate 36 is installed in the middle of the forward lever 16b to support the fluid and to support the tip. Is coupled to the horizontal movable body 38 fitted to the guide rod 37, the horizontal movable body 38 moves along the guide rod 37 during the operation of the forward lever 16b, and pushes the sliding sleeve of the collet chuck 3; It works.

In addition, as illustrated in FIG. 7, for example, when operating a component in which the spindle 2a, 2b, 2c, 2d, 2f, and 2g of the six axes are installed in the spindle carrier 1, FIG. As shown in (b) and (c), each drill 45 is used for drilling to obtain a product of required value as a single-cycle fixation when the process is carried out at an angle equal to α except for the workpiece mounting spindle 2a. In addition, the two spindles (2a) and (2b) can simultaneously increase the productivity by simultaneously mounting and rotating the workpiece or removing the workpiece, and require multiple machining steps. The workpiece can be continuously processed, the manpower can be saved, and even without a skilled technician, the workpiece can be processed accurately and quickly.

Claims (1)

In having a workpiece feeding mechanism in front of the spindle carrier 1, two or more multi-axis spindles 2a and 2b are provided in the spindle carrier 1, and a known collet chuck 3 is attached to the multi-axis spindle 2a. Inserted into (2b), the one stopper 34 of the rear of the spindle carrier (1) is provided to engage the arm lever (19a) to one of the drive lever (28a) of the plurality of drive lever (28a, 28b), The stopper 34 is mounted with a spring 9e, and a drive cam 32 having a different rotational speed is installed between the drive levers 28a and 28b, and below the drive levers 28a and 28b. The opening and closing groove of the clutch gear 24 positioned on the same line as the component feed shaft 22 by engaging the guide 29 to the guide frame 26 supported by the shrink pin 27 supported by the spring 9c. Is inserted into (43), and the forward lever (16b) is installed on the rear rear cam (25) is coupled to the horizontal movable body (38) fitted to the guide rod (37), arcuate jaw (40) A spindle (2a) extending in the sides of the main shaft 41 from a deep-portion (2b) Multi-spindle automatic drive device, characterized in that the sliding sleeve so as to extend the operating portion.