JP2009113155A - Position adjusting mechanism for movable base - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a position adjusting mechanism for a movable base capable of finely adjusting the position of the movable base placed on a fixed base together with a working device by moving forward and backward from the same direction. <P>SOLUTION: The position adjusting mechanism includes the fixed base 12 fixedly disposed while projecting a position reference body 14 from a flat surface 12a and the movable base 22 disposed on the fixed base 12 along the surface 12a. The position of the movable base 22 can be adjusted by moving the movable base 22 in the direction opposite to the pressure-contacting direction when the first adjusting bolt 29 of the movable base 22 is pressed against the position reference body 14 side and by moving the second adjusting bolt 18 provided in the position reference body in the same pressure-contacting direction when the second adjusting bolt 18 is pressed against the movable base 22 side from the direction in which the first adjusting bolt 29 is pressed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention includes a working device such as a processing tool or a measuring tool on a movable table, and can finely adjust the position of the movable table so that the position of the working device with respect to the workpiece or the measured object can be accurately determined. This is a technique related to a position adjusting mechanism for a movable table.

  For example, when it is necessary to correctly position and arrange the automatic processing tool with respect to the workpiece, an example of fine adjustment of the position of the automatic processing tool itself or the side of the movable table provided with the automatic processing tool There is an example in which the position is arranged so that the position thereof can be finely adjusted on the fixed base side where the position is fixed.

Among these, as an example of disposing the movable table side including the automatic processing tool on the fixed base side so that the position thereof can be finely adjusted, there is a workpiece positioning device as disclosed in Patent Document 1 below, for example.
JP 2001-62662 A

  The adjustment mechanism provided in the workpiece positioning device disclosed in Patent Document 1 allows fine adjustment of the position of the workpiece via an engaging portion that is driven when the adjustment bolts arranged opposite to the left and right are advanced and retracted. Configured.

  On the other hand, FIG. 5 is a plan view schematically showing an example of a conventional position adjusting mechanism for a movable base, which is different from the adjusting mechanism of Patent Document 1, and the position reference body 2 having a rectangular parallelepiped shape is flat. The fixed base 1 is configured to protrude on the surface 1 a and immovably disposed, and the movable base 5 is disposed along the surface 1 a of the fixed base 1.

  In addition, the movable base 5 has a pair of support arm parts 6 in which the position reference body 2 is positioned between them as shown in FIG. 7 is provided on one side end face 5a.

  For this reason, in the position adjusting mechanism shown in FIG. 5, as shown in FIG. 5B, the adjusting bolt 9 positioned on the right is retracted and the adjusting bolt 8 positioned on the left is moved to the position reference body 2 in the drawing. The movable base 5 can be moved in the left direction by advancing so as to be brought into pressure contact with the opposite vertical surface 3.

  Further, in the position adjustment mechanism shown in FIG. 5, as shown in FIG. 5C, the adjustment bolt 9 positioned on the left is retracted and the adjustment bolt 9 positioned on the right is moved to the position reference body 2. The movable base 5 can be moved rightward by advancing so as to be brought into pressure contact with the opposing vertical surface 4.

  However, in the case of the position adjusting mechanism shown in FIG. 5, for example, when other tools are arranged around the left adjusting bolt 8 and there is no room for the operation tool, the adjusting bolt is used. There was a disadvantage that the rotary operation of 8 could not be performed.

  In view of the above-described problems seen in the prior art, the present invention advances and retracts a movable base mounted with a working device such as a processing tool or a measuring tool on the fixed base that is fixedly moved in the same direction. It is an object to provide a position adjusting mechanism for a movable base that can be moved and finely adjusted in position.

  The present invention has been made to achieve the above-mentioned object, and is disposed along the surface of the fixed base that is fixedly disposed by projecting the position reference body on a flat surface, and the fixed base. When the first adjustment bolt included in the movable base is brought into pressure contact with the position reference body, the movable base is moved in a direction opposite to the pressure contact direction, and the position reference body is provided. When the second adjustment bolt is brought into pressure contact with the movable table from the same direction as that of the first adjustment bolt, the position of the movable table can be freely adjusted by moving in the same pressure direction. The most important feature.

  In this case, the movable table includes a vertical wall surface that is freely slidably contacted with the guide vertical surface of the position reference body, and the vertical wall surface side to position the position reference body on the inner side with a margin. The first adjustment is provided in a direction perpendicular to the projecting direction, and a low-sitting high-arm portion and a high-sitting high-arm portion protruding in parallel with each other in a perpendicular direction. The position reference body having a first screw hole through which a bolt is screwed and having substantially the same height as the high-sitting high arm portion is positioned above the position of the first screw hole, When the second adjustment bolt provided in the same direction has a second screw hole through which the second adjustment bolt is screwed, and the first adjustment bolt advanced through the first screw hole is brought into pressure contact with the position reference body side The second bolt is moved through the second screw hole by moving the movable base in the direction opposite to the pressure contact direction. By moving the carriage in the same direction as the pressure direction when the is pressed against the dais high arm side, it is possible to freely adjust the position of the movable Dodai.

  In addition, the movable base includes a vertical wall surface that is freely slidably contacted with the guide vertical surface of the position reference body, and the vertical wall surface side to position the position reference body on the inner side leaving a margin. A short arm portion and a long arm portion protruding in parallel to each other in the orthogonal direction as a pair, and the short arm portion is provided in the position reference body direction orthogonal to the protruding direction. The position reference body having a first screw hole through which an adjustment bolt is screwed and having substantially the same length as the long arm portion is located outside the position of the first screw hole. A second screw hole through which a second adjusting bolt provided in the same direction as the screw hole is screwed; and the first adjusting bolt advanced through the first screw hole is pressed against the position reference body side. The second adjustment bolt moved forward through the second screw hole by moving the movable table in the direction opposite to the direction of pressure contact. Sulfur butterfly Sun'ude side in the moving the carriage in the same direction as the pressure direction when the is pressed against the, may be configured to freely adjust the position of the movable Dodai.

  Moreover, it is preferable that the first adjustment bolt and / or the second adjustment bolt in the present invention include a lock nut for placing the movable table after the position adjustment.

  According to the present invention, the first adjustment bolt is rotated using a tool or the like so as to be brought into pressure contact with the position reference body side, and the movable base is moved in a direction opposite to the pressure contact direction by the reaction received at that time. The second adjustment bolt is equipped with the second adjustment bolt in the same direction as the pressure contact direction of the first adjustment bolt, and is moved in the same pressure contact direction by the pressing force at that time. Can be fine-tuned.

  Therefore, as long as the first adjustment bolt and the second adjustment bolt are arranged on the side of the marginal space where a tool or the like can be inserted, the position of the movable base can be easily adjusted even if the opposite side is closed. Become.

  Further, when the first adjustment bolt and / or the second adjustment bolt is provided with a locking nut, the movable base after the position adjustment can be stably placed.

  FIG. 1 is an exploded perspective view of an essential part of an example of the present invention, and FIG. 2 is an oblique view of an essential part showing a state after combining the example shown in FIG. Is composed of a fixed base 12 that is arranged by projecting the position reference body 14 on a flat surface 12 a and a movable base 22 that is arranged along the surface 12 a of the fixed base 12. Reference numeral 31 in FIG. 1 denotes an oblong hole into which a fixing screw (not shown) is introduced in order to fix the position after the movable base 22 is positioned and fixed on the fixed base 12. Indicates a screw hole into which the introduction screw is screwed.

  Among these, the fixed base 12 is attached to an apparatus main body (not shown) in a non-moving state via appropriate fixing means. Further, the position reference body 14 is formed to have a substantially columnar shape that is substantially the same height as a high-sitting high-arm portion 26 to be described later. For example, the fixed base 12 is formed by a fixing screw (not shown) fed through the through hole 14a. These are fixedly arranged at appropriate positions.

  The movable base 22 includes a mounting portion 25 fixed along the vertical one side end surface 23 with a height higher than the vertical width of the one side end surface 23, and one end of the vertical wall surface 25a of the mounting portion 25. A low seat height arm portion 26 projecting in a direction orthogonal to the surface direction from the portion side, and a seat height substantially the same as the seat height of the mounting portion 25 projecting in the direction orthogonal to the surface direction from the other end portion side. The high arm portion 28 is provided with an operation connecting body 24 having a substantially U shape in a plan view.

  In this case, the fixed base 12 and the movable base 22 have a guide vertical surface 15 provided on one side surface of the position reference body 14 with respect to the vertical wall surface 25a of the mounting portion 25 in the operation connecting body 24 as shown in FIG. In this way, the positional relationship is such that the surfaces are arranged in a face-to-face relationship.

  In other words, the movable table 22 is freely arranged in sliding contact with the guide vertical surface 15 of the fixed base 12 via the vertical wall surface 25 a of the mounting portion 25.

  Moreover, the space | interval of the inner surface 26a between the low-sitting high arm part 26 and the high-sitting high arm part 28 in the connection body 24 for operation can position the position reference body 14 in the inner side leaving a margin. This is a length that can secure a desired moving distance of the movable base 22.

  Further, the low-sitting high-arm portion 26 includes a first screw hole 27 provided in a direction orthogonal to the protruding direction and into which the first adjustment bolt 29 is screwed. Further, the position reference body 14 is located above the position of the first screw hole 27 and is provided in the same direction as the first screw hole 27, and the second screw hole through which the second adjustment bolt 18 is screwed. 16 is provided.

  For this reason, the first adjustment bolt 29 can be brought into pressure contact with the opposing vertical surface 17 of the position reference body 14 by advancing through the first screw hole 27 of the low seat height arm portion 26. Further, the second adjustment bolt 16 can be brought into pressure contact with the inner side surface 28 a of the high-sitting arm portion 28 by advancing through the second screw hole 16 of the position reference body 14.

  In addition, the first adjusting bolt 29 screwed to the low-sitting high arm portion 26 side through the first screw hole 27 is provided with the locking nut 30 disposed between the low-sitting high arm portion 26 and the second screw hole. The second adjustment bolts 18 screwed to the position reference body 14 side via 16 are respectively provided with locking nuts 19 disposed between the position reference body 14 and the second adjustment bolts 18.

  On the other hand, FIG. 3 is a main part perspective view showing another example of the present invention corresponding to FIG. 2, and the basic configuration is substantially the same as the example of the present invention shown in FIG. Omitted and only the differences will be described below.

  That is, the example shown in FIG. 3 is different from the example shown in FIG. 2 in the specific configuration of the position reference body 44 included in the fixed base 12 and the operation connecting body 54 included in the movable base 22.

  Among these, the position reference body 44 is formed in a straight column shape that is substantially the same length and height as a long arm portion 58 to be described later, and for example, by a fastening screw (not shown) fed through a through hole 44a. It is fixedly arranged at an appropriate position on the fixed base 12.

  Further, the movable base 22 is attached from the one end side of the vertical wall surface 55a of the mounting portion 55 and the mounting portion 55 fixed along the vertical one side end surface 23 with the same width as the vertical width of the one side end surface 23. A short arm portion 56 having substantially the same height as the mounting portion 55 projecting in a direction orthogonal to the surface direction, and a mounting arm 55 projecting in a direction orthogonal to the surface direction from the other end side. The long and long arm portion 58 is provided with an operation connecting body 54 having a substantially U shape in a plan view.

  In this case, the fixed base 12 and the movable base 22 have a guide vertical surface 45 provided on one side surface of the position reference body 44 with respect to the vertical wall surface 55a of the mounting portion 55 in the operation connecting body 54 as shown in FIG. In this way, the positional relationship is such that the surfaces are arranged in a face-to-face relationship.

  That is, the movable base 22 is freely arranged in sliding contact with the guide vertical face 45 on the fixed base 12 side via the vertical wall face 55a of the mounting portion 55.

  Further, the space between the inner side surfaces 56a, 58a between the short arm portion 56 and the long arm portion 58 in the operation connecting body 54 can allow the position reference body 44 to be positioned inside with a margin. This is a length that can secure a desired moving distance of the movable base 22.

  Furthermore, the short arm portion 56 includes a first screw hole 57 provided in a direction orthogonal to the protruding direction and into which the first adjustment bolt 59 is screwed. In addition, the position reference body 44 is located on the outer side of the first screw hole 57 and arranged in the same direction as the first screw hole 57, and the second adjustment bolt 48 is screwed therethrough. A second screw hole 46 is provided.

  For this reason, the first adjusting bolt 59 can be brought into pressure contact with the opposing vertical surface 47 of the position reference body 44 by advancing through the first screw hole 57 of the short arm portion 56. Further, the second adjustment bolt 48 can be brought into pressure contact with the inner side surface 58 a of the long arm portion 58 by advancing through the second screw hole 46 of the position reference body 44.

  In addition, the first adjusting bolt 59 screwed to the short dimension portion 56 side via the first screw hole 57 has the lock nut 60 disposed between the short arm section 56 and the second screw hole 46. The second adjustment bolts 48 screwed to the position reference body 44 side via each of them include a lock nut 49 disposed between the second adjustment bolt 48 and the position reference body 44.

  Next, the operation and effect of the example shown in FIG. 2 in the present invention having the above-described configuration will be described below with reference to FIG. 4. For example, the movable base 22 before position adjustment is shown in FIG. As shown, the first adjustment bolt 29 and the second adjustment bolt 18 are both loosened and placed on the fixed base 12 in a free state. In FIG. 4A, the first adjustment bolt 29 is hidden because it is located below the second adjustment bolt 18.

  Further, when the movable base 22 is to be moved to the left on the fixed base 12 for position adjustment as shown in (b), the first adjustment bolt 29 screwed to the low seat arm portion 26 is used. Is advanced and brought into contact with the opposing vertical surface 17 of the position reference body 14, and further advanced and pressed. The pressure contact force at this time becomes a reaction and forcibly moves the movable base 22 to the left.

  When the movable base 22 reaches a predetermined position on the fixed base 12, the movable base 22 is stably fixed by tightening until the locking nut 19 comes into pressure contact with the low-sitting arm portion 26. Can be fixed.

  On the other hand, when it is desired to move the movable base 22 on the fixed base 12 to the right as shown in (c) for position adjustment, the second adjustment bolt 18 screwed to the position reference body 14 is attached. Advancing and abutting against the inner side surface 28a of the high-sitting high arm portion 28, further advancing and pressing. The pressure contact force at this time becomes a pressing force and forcibly moves the movable base 22 to the right.

  When the movable base 22 reaches a predetermined position on the fixed base 12, the movable base 22 is stably fixed by tightening until the locking nut 19 comes into pressure contact with the position reference body 14. Can be made.

  Such a series of operations and effects of the present invention can be obtained in the same manner in the other examples shown in FIG.

  That is, according to the present invention, the first adjusting bolts 29 and 59 are rotated with a tool or the like to press the position reference bodies 14 and 44 and the movable table 22 is pressed by the reaction received at that time. The second adjusting bolts 18 and 48 included in the position reference bodies 14 and 44 are pressed against the movable base 22 side in the same direction as the pressing direction of the first adjusting bolts 29 and 59, and the pressing force at that time is moved. By moving the movable base 22 forward and backward from the same direction side, the position can be finely adjusted.

  Therefore, as long as the first adjustment bolts 29 and 59 and the second adjustment bolts 18 and 48 are arranged on the side of the marginal space where a tool or the like can be inserted, the movable table can be easily moved even if the opposite side is closed. 22 can be adjusted in position.

  The above is the description of the present invention based on the illustrated examples, and various modifications can be made to the specific contents without departing from the gist of the present invention. For example, the first adjustment bolt and the second adjustment bolt can be used without using a lock nut.

  In addition, the movable base is directly provided with a low-seat high-arm part and a low-seat-high arm part, or a short-sized arm part and a long-sized arm part are projected without attaching a separate operation body as a separate member. It can also be set up.

The principal part perspective view which decomposes | disassembles and shows an example of this invention. The principal part perspective view which shows the state after combining the example shown in FIG. The principal part perspective view which shows the other example of this invention corresponding to FIG. Explanatory drawing which shows the position adjustment condition of the movable stand about the example shown in FIG. 2 as (a)-(c) from a planar view direction. The top view which shows typically an example of the position adjustment mechanism for the conventional movable stand as (a)-(c).

Explanation of symbols

11 Position adjustment mechanism 12 Fixed base 12a Surface 13 Screw hole 14, 44 Position reference body 14a, 44a Through hole 15, 45 Guide vertical surface 16, 46 Second screw hole 17, 47 Opposing vertical surface 18, 48 Second adjustment Bolts 19, 49 Locking nuts 22 Movable base 23 One side end face 24, 54 Operation connecting body 25, 55 Mounting portion 25a, 55a Vertical wall surface 26 Low seat high arm portion 26a Inner side surface 27, 57 First screw hole 28 High seat high arm Part 28a Inner side face 29, 59 First adjusting bolt 30, 60 Locking nut 31 Oval hole 56 Short arm part 56a Inner side face 58 Long arm part 58a Inner side face

Claims (4)

It is composed of a fixed base that is fixedly disposed by projecting a position reference body on a flat surface, and a movable base that is disposed along the surface of the fixed base,
When the first adjustment bolt included in the movable base is pressed against the position reference body side, the movable base is moved in a direction opposite to the pressing direction,
When the second adjustment bolt included in the position reference body is pressed against the movable table side from the same direction as the pressure contact direction of the first adjustment bolt, the position adjustment of the movable table is performed by moving in the same pressure contact direction. A position adjustment mechanism for a movable table, characterized in that The movable table includes a vertical wall surface disposed freely in sliding contact with the guide vertical surface of the position reference body, and a pair from the vertical wall surface side to position the position reference body on the inner side with a margin. It is equipped with a low-sitting high-arm part and a high-sitting high-arm part protruding substantially parallel to the orthogonal direction,
The low-sitting arm portion includes a first screw hole through which the first adjustment bolt provided in a direction perpendicular to the protruding direction is threaded.
The position reference body, which is substantially the same height as the high-sitting high-arm portion, is located above the position of the first screw hole, and the second adjustment bolt provided in the same direction as the first screw hole has a through screw. A second screw hole to be worn;
When the first adjustment bolt advanced through the first screw hole is brought into pressure contact with the position reference body, the movable base is moved in a direction opposite to the pressure contact direction, and the second screw hole is moved through the second screw hole. The position of the movable base can be freely adjusted by moving the movable base in the same direction as the pressure contact direction when the advanced second bolt is brought into pressure contact with the high-seat high arm portion side. Adjustment mechanism for the movable platform. The movable table includes a vertical wall surface disposed freely in sliding contact with the guide vertical surface of the position reference body, and a pair from the vertical wall surface side to position the position reference body on the inner side with a margin. It has a short arm part and a long arm part protruding substantially parallel to the orthogonal direction,
The short arm portion includes a first screw hole through which a first adjustment bolt provided in the position reference body direction perpendicular to the protruding direction is screwed.
The position reference body having substantially the same length as the long arm portion has a second adjusting bolt that is positioned outwardly from the position of the first screw hole and provided in the same direction as the first screw hole. A second screw hole to be worn;
When the first adjustment bolt advanced through the first screw hole is brought into pressure contact with the position reference body, the movable base is moved in a direction opposite to the pressure contact direction, and the second screw hole is moved through the second screw hole. 2. The position of the movable base can be freely adjusted by moving the movable base in the same direction as the pressure contact direction when the advanced second adjustment bolt is brought into pressure contact with the long arm portion. Position adjustment mechanism for the described movable platform.   4. The position adjustment for the movable base according to claim 1, wherein the first adjustment bolt and / or the second adjustment bolt includes a lock nut for fixing the movable base after the position adjustment. 5. mechanism.

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