ADJUSTING SYSTEM FOR ADJUSTING THE GUIDE PLAY OF A SLIDING GUIDE FOR MOVABLE PARTS OF A PRESS, AND METHOD FOR ADJUSTING THE POSITION OF AT LEAST ONE SLIDING BLOCK OF A SLIDING GUIDE ON A PRESS

Abstract

An adjusting system for adjusting the guide play of a sliding guide for movable parts of a press has at least one guide element (1), which comprises at least one sliding block (9), which can be moved transversely to the direction of movement of the part of the press to be guided, at least one adjusting wedge (5) and at least one guide wedge (8), the movement of which adjusting wedge and guide wedge relative to each other causes the sliding block (9) to be shifted perpendicularly to the direction of movement of the movable part. The adjusting system is characterized in that the adjusting wedge (5) is continuously adjustable by means of at least one spindle drive. The disclosure further relates to a method for adjusting the position of at least one sliding block of its sliding guide on a press having such an adjusting system.

Claims

1.-10. (canceled)

11. An adjusting system for adjusting a guide play of a sliding guide for a movable part of a press, comprising: an adjustable guide element (1), which comprises a sliding block (9), the sliding block (9) being movable transversely to a direction of movement of the movable part; an adjusting wedge (5); a guide wedge (8), the guide wedge (8) cooperating with the adjusting wedge (5); a spindle drive with a spindle (3); a measured value encoder configured to record the guide play of the sliding guide; and an open-loop or closed-loop control device; wherein movement of the adjusting wedge (5) relative to the guide wedge (8) causes the sliding block (9) to shift perpendicularly to the direction of movement of the movable part, wherein the adjusting wedge (5) is continuously adjustable by the spindle drive, wherein the spindle (3) cooperates with a movement thread of the adjusting wedge (5), and wherein the measure value encoder records the guide play of the sliding guide and outputs this to the open-loop or closed-loop control device for automatic readjustment of the guide play.

12. The adjusting system according to claim 11, wherein the spindle (3) is driven by a servomotor.

13. The adjusting system according to claim 11, wherein the spindle (3), the adjusting wedge (5), and the guide wedge (8) are arranged in a common housing (2) and form a structural unit with the sliding block (9).

14. The adjusting system according to claim 13, wherein the spindle (3) is rotatably mounted in a bushing (4) of the housing (2).

15. The adjusting system according to claim 11, wherein the sliding block (9) is replaceably fastened to the guide wedge (8).

16. The adjusting system according to claim 11, wherein the movable part of the press has a ram or is partially designed as a ram.

17. A press with an adjusting system according to claim 11.

18. The press according to claim 17, comprising a press frame and with a running bar movable within the press frame and/or with a transducer holder along with sliding guides for the running bar and/or the transducer holder.

19. A method for adjusting a position of a sliding block of a sliding guide on a press with the adjusting system according to claim 11, comprising: measuring an actual guide play between the sliding block and a sliding surface of the movable part; comparing the actual guide play with a predetermined guide play target value; and rotating the spindle of the adjusting system until the actual guide play corresponds to the predetermined guide play target value.

20. The method according to claim 19, wherein the spindle is adjusted automatically via an actuator as a function of a measured value recorded by a measured value encoder.

21. The method according to claim 19, wherein movement of the spindle is recorded by a travel path encoder, and wherein a point in time for a necessary replacement of the sliding block is calculated from a completed adjustment path.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG. 1 is a sectional view of an adjustable guide element of the adjusting system and

[0023] FIG. 2 is a sectional view of the adjustable guide element in the installed position on a press, corresponding to FIG. 1.

DETAILED DESCRIPTION

[0024] The adjusting system comprises at least one guide element 1 of the type described below. The adjusting system can comprise a plurality of guide elements of the type described below along with means for controlling and/or automatically actuating the guide element 1 or a plurality of guide elements.

[0025] The guide element 1 shown in the figures comprises a housing 2 in which a spindle 3 extends, which is rotatably mounted in a bushing 4. The spindle 3 extends through first and second threaded bores 6, 7 of an adjusting wedge 5, which can be shifted within the housing 2 by rotating the spindle 3. The thread of the threaded bores 6, 7 is a movement thread that is designed to be complementary to the thread of the spindle 3. The adjusting wedge 5 rests with a sliding bevel against a sliding bevel of a guide wedge 8, which is connected to a sliding block 9 or a sliding plate, as the case may be. The sliding block 9 is designed as a wear part and, as can be seen from FIG. 2, is arranged parallel to and at a predetermined distance S from a guide column 10 of a press (not shown), when the guide element 1 is in the installed position. The distance S between the sliding block 9 and the guide roller 10 defines the guide play of the sliding guide.

[0026] The spindle 3 is provided at its end projecting from the housing 2 with a contact 11 for a tool or for the drive shaft of a motor (not shown). In order to adjust the play S, the spindle 3 is turned either by hand or with a motor. The rotary movement causes the adjusting wedge 5 to slide in or against the direction of arrow A shown in FIG. 2, thereby causing the guide wedge to slide in or against the direction of arrow B, also shown in FIG. 2, and either increase or decrease the distance S between the guide columns 10 and the sliding block 9.

LIST OF REFERENCE SIGNS

[0027] 1 Guide element [0028] 2 Housing [0029] 3 Spindle [0030] 4 Bushing [0031] 5 Adjusting wedge [0032] 6 First threaded bore [0033] 7 Second threaded bore [0034] 8 Guide wedge [0035] 9 Sliding block [0036] 10 Guide columns [0037] 11 Contact [0038] A Arrow [0039] B Arrow [0040] S Distance