JP2015150639A - Tool holding base - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tool holding base capable of simply and easily executing installation or removal work of a tool.SOLUTION: A tool holding base 100 is provided for holding a tool 50 in a vertical attitude, and is provided with a receiving base 20 for holding the tool 50, a base 10 for rotatably journaling the tool 50 of holding the receiving base 20 within a range up to an inclined position P of becoming an inclined attitude from a vertical position of becoming the vertical attitude and a selector 40 for switching to "an inclinable state" of putting a rotary position to the base 10 of the receiving base 20 in an unrestricted state within a range up to the inclined position P from the vertical position O and "a fixed state" of restricting the rotary position to the base 10 of the receiving base 20 in the vertical position O.

Description

  The present invention relates to a technique of a tool holding table for holding a tool in a vertical direction.

  The tool holding table is known as a tool holding the tool mounted on the holder in the vertical direction (for example, Patent Document 1). In the tool holding stand, for example, the cutting edge of the cutting tool is held in the vertical direction upward, and the cutting tool is processed or maintained. In an automobile factory, a large tool having a weight of 20 kg or more with a cutting tool mounted on a holder is used.

  The operation of attaching or removing such a large tool to or from the tool holder from directly above is a difficult operation for the operator and is a heavy burden. In addition, since the cutting tool is attached to or removed from the tool holder from directly above, the blade edge is swung around. Therefore, when the cutting tool is attached to or removed from the tool holder, a protective cover is provided on the blade edge. The work was complicated.

JP 2006-110668 A

  The problem to be solved by the present invention is to provide a tool holding base capable of simply and easily performing a tool attaching or removing operation.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

  That is, in claim 1, a tool holding table for holding a tool in a vertical posture, and a tilting posture from a rotating position where the held tool is in a vertical posture. A base that pivotally supports within a range up to a turning position that becomes a turning position, and a turning position with respect to the base of the cradle is turned from a turning position at which the held tool is in a vertical position to a tilted position. A first state in an unconstrained state within a range up to the position, and a second state in which the rotational position of the cradle with respect to the base is constrained to a rotational position where the held tool is in a vertical posture. And a selector for switching to.

  In Claim 2, It is a tool holding stand of Claim 1, Comprising: The rotating stand holding the said tool is provided, The said rotating stand is rotated centering on the axial center of the tool hold | maintained by the said receiving stand. The selector supports the first state, the second state, and the rotational position of the cradle with respect to the base to the rotational position where the held tool is in a vertical posture. The state is switched to a third state in which the rotational position of the turntable relative to the cradle is in an unconstrained state.

  In Claim 3, It is a tool holding stand of Claim 2, Comprising: The said selector is provided with the axis | shaft which is pivotally supported by the said base and in which a 1st notch part and a 2nd notch part are formed, The first state is set by directing the first cutout portion in a predetermined direction, and the third state is set by turning the second cutout portion in the predetermined direction.

  According to the tool holding stand of the present invention, it is possible to easily and easily perform a tool attachment or removal operation.

The schematic diagram which shows the structure of a tool holding stand. The top view and side view similarly. The top view which shows the structure of a base, a front view, and a side view. The top view which shows the structure of a cradle, a front view, and a side view. The top view and side view which show the structure of a turntable. The top view and sectional drawing which show the structure of a selector. The schematic diagram which shows the effect | action of a selector. The schematic diagram which shows the effect | action of a tool holding stand.

The configuration of the tool holder 100 will be described with reference to FIG.
In FIG. 1, the configuration of the tool holder 100 is schematically shown in a side view.

  The tool holder 100 is an embodiment according to the tool holder of the present invention. The tool holder 100 holds the tool 50 in a vertical posture in which the axis of the tool 50 faces the vertical direction. When the tool holder 100 is in an “inclinable state” to be described later, the tool holder 100 moves the tool 50 from the vertical posture until the axis of the tool 50 is inclined at a predetermined angle from the vertical direction. It is held so that it can rotate within the range of.

  In the tool 50 according to the present embodiment, a cutting tool 51 is attached to a holder 52. The tool 50 of the present embodiment is used for a machining center in an automobile factory, and has a large weight of 20 kg or more.

The configuration of the tool holder 100 will be described in more detail with reference to FIG.
In FIG. 2A, the configuration of the tool holder 100 is shown in plan view. In FIG. 2B, the configuration of the tool holding base 100 is shown in a side view.

  In the following, description will be made in accordance with the front-rear direction, the left-right direction, and the up-down direction shown in FIGS.

  The tool holding table 100 includes a base 10, a receiving table 20, a turntable 30, and a selector 40.

  The turntable 30 holds the tool 50. The turntable 30 is pivotally supported by the cradle 20 so as to be rotatable about the axis of the held tool 50.

  The cradle 20 holds the tool 50 via the turntable 30. The cradle 20 pivotally supports the turntable 30 so as to be rotatable about the axis of the tool 50 held by the turntable 30.

  The base 10 supports the cradle 20 so as to be rotatable by a shaft 15. Specifically, the cradle 20 that is fixed to the base 10 is moved from a vertical position O where the held tool 50 is in a vertical position to a rotational position where the held tool 50 is in the inclined position. It is configured to be rotatable within a range up to a certain tilt position P (see FIG. 2B).

  The selector 40 sets the state of the tool holder 100 as “a tiltable state” as a first state, “a fixed state” as a second state, and “a rotatable state” as a third state. , To switch to.

  The “inclinable state” is a state in which the rotational position of the cradle 20 with respect to the base 10 is unconstrained within the range from the vertical position O to the inclined position P. The “fixed state” is a state in which the rotation position of the cradle 20 relative to the base 10 is restricted to the vertical position O. The “rotatable state” is a state in which the rotational position of the cradle 20 relative to the base 10 is constrained to the vertical position O, and the rotational position of the rotator 30 relative to the cradle 20 is unconstrained.

The configuration of the base 10 will be described with reference to FIG.
In FIG. 3A, the configuration of the base 10 is shown in plan view. In FIG. 3B, the structure of the base 10 is shown in a front view. Further, in FIG. 3C, the configuration of the base 10 is shown in a side view.

  The base 10 includes a bottom portion 11, a support portion 12, and a placement portion 13, and is formed in a concave shape when viewed from the front.

  The bottom 11 is formed in a substantially rectangular flat plate shape. The support portions 12 are respectively provided upright at the left and right end sides of the bottom portion 11. Each support part 12 is formed in a substantially R shape in a side view. Each support portion 12 is formed with a first through hole 12A and a second through hole 12B penetrating in the left-right direction.

  A shaft 15 that pivotally supports the cradle 20 is inserted through the first through hole 12A of each support portion 12 (see FIG. 2). A selector 40 that fits into the cradle 20 is inserted through the second through hole 12B (see FIG. 2).

  The placement portion 13 is erected at a substantially central portion of the bottom portion 11 in the left-right direction. The placement portion 13 is formed in a substantially trapezoidal shape in a side view. The mounting portion 13 is formed with a flat portion 13A and an inclined portion 13B. The flat portion 13A is a portion on which the cradle 20 is placed when the cradle 20 is in the vertical position O. The inclined portion 13B is a portion on which the cradle 20 is placed when the cradle 20 is in the inclined position P.

The configuration of the cradle 20 will be described with reference to FIG.
In FIG. 4A, the structure of the cradle 20 is shown in plan view. In FIG. 4B, the structure of the cradle 20 is shown in a front view. Furthermore, in FIG.4 (C), the structure of the receiving stand 20 is represented by the side view.

  The cradle 20 is configured in a substantially rectangular parallelepiped. The cradle 20 is formed with a first through hole 20A, a fitting portion 20B, and an opening 20C.

  20 A of 1st through-holes are formed as a through-hole penetrated in the left-right direction in the center part of the front-back direction and the up-down direction of the cradle 20. The shaft 15 is inserted through the first through hole 20A (see FIG. 2). The fitting part 20B is a notch part opened at the lower end part in the vertical direction, and is formed along the left-right direction on the rear side in the front-rear direction. The fitting part 20B is formed in a substantially R shape in a side view. The selector 40 is fitted to the fitting portion 20B (see FIG. 2).

  The opening 20 </ b> C is formed as a through-hole penetrating in the vertical direction at the front-rear direction and the center in the left-right direction of the cradle 20. The turntable 30 is inserted through the opening 20C (see FIG. 2).

The configuration of the turntable 30 will be described with reference to FIG.
In FIG. 5A, the structure of the turntable 30 is shown in plan view. In FIG. 5B, the configuration of the turntable 30 is shown in a side view.

  The turntable 30 is configured in a substantially cylindrical shape. The turntable 30 is formed with a first cutout portion 30A, a second cutout portion 30B, an enlarged diameter portion 31, an opening portion 32, and a projection portion 35.

  30 A of 1st notches are formed by notching the front-end part in the lower end part of the turntable 30 in circular arc shape by side view. The second cutout portion 30B is formed by cutting out the rear end portion of the lower portion of the turntable 30 in a straight line shape in a side view. The second cutout portion 30B is formed so that the cutout amount increases as it goes downward from the upper and lower middle portions of the turntable 30 to the lower end.

  The enlarged diameter portion 31 is formed by expanding the upper part of the turntable 30 with respect to the lower part. The enlarged diameter portion 31 is locked to the upper surface of the cradle 20 when the turntable 30 is inserted into the opening 20 </ b> C of the cradle 20.

  The opening 32 is formed in the vertical direction so as to decrease in diameter toward the lower side at a substantially central portion in the front-rear direction and the left-right direction of the turntable 30. The opening 32 penetrates the turntable 30 in the vertical direction. The opening 32 is a portion where the tool 50 is inserted and held.

  The protrusions 35 are provided as a pair on the upper surface of the turntable 30. Each protrusion 35 is provided at a position facing the peripheral edge of the opening 32. The protruding portion 35 is a portion with which the concave portion of the holder 52 engages when the tool 50 is inserted into the turntable 30.

The configuration of the selector 40 will be described with reference to FIG.
In FIG. 6A, the configuration of the selector 40 is shown in a plan view and a AA cross-sectional view when the first notch 41 is directed to the front side. FIG. 6B shows the configuration of the selector 40 in a plan view and a BB cross-sectional view when the second notch 42 is directed to the front side.

  The selector 40 is formed in a substantially cylindrical shape. The selector 40 includes a gripping portion 43 and a shaft portion 45. A first notch portion 41 and a second notch portion 42 are formed in the shaft portion 45.

  The first cutout portion 41 is formed such that the outline draws a trapezoid in a plan view when the first cutout portion 41 is directed to the front side. The second cutout portion 42 is formed so that the outline draws an arc in a plan view when the second cutout portion 42 faces the front side. The second cutout portion 42 is formed on a side rotated by 120 ° from the side where the first cutout portion 41 is formed in a side view of the shaft portion 45. The first cutout portion 41 and the second cutout portion 42 are formed in the central portion of the shaft portion 45 in the axial center direction.

  More specifically, when the selector 40 rotates the first cutout portion 41 by 120 ° from the position facing the front side, the second cutout portion 42 faces the front side and the second cutout portion 42 faces the front side. When rotated by 120 ° from the position, the arc side (the side without a notch) faces the front side.

The operation of the selector 40 will be described with reference to FIG.
7A, 7 </ b> B, and 7 </ b> C, only the selector 40, the cradle 20, and the turntable 30 are shown in a side view for easy understanding.

  In FIG. 7A, the “tiltable state” as an action of the selector 40 is shown in a side view. In FIG. 7B, the “fixed state” as the operation of the selector 40 is shown in a side view. Further, in FIG. 7C, the “rotatable state” as an operation of the selector 40 is shown in a side view.

  As shown in FIG. 7 (A), in the “tiltable state”, the selector 40 is in a rotatable range relative to the base 10 of the cradle 20 (vertical position O) at the position where the first notch 41 is directed to the front side. To the inclined position P), the shaft portion 45 of the selector 40 and the fitting portion 20B of the cradle 20 do not interfere with each other.

  Further, the rotation position of the turntable 30 with respect to the cradle 20 is set to a position where the second notch 30B faces the rear side, so that the cradle 20 can be rotated with respect to the base 10 within the turnable range. When moving, the turntable 30 and the shaft portion 45 of the selector 40 do not interfere with each other.

  When the rotation position of the cradle 20 is at the vertical position O, the turntable 30 and the shaft portion 45 of the selector 40 do not interfere with each other regardless of the rotation position of the turntable 30 with respect to the cradle 20.

  Therefore, in the “tiltable state”, the cradle 20 and the turntable 30 are set in an unconstrained state between the vertical position O and the tilt position P, and the cradle 20 and the turntable 30 are rotatable with respect to the base 10. It becomes possible to do.

  As shown in FIG. 7B, from the “inclinable state”, the turntable 30 is turned with respect to the cradle 20, and the turn position of the turntable 30 with respect to the cradle 20 is changed to the first notch portion. After the position of 30A is directed to the rear upper side, the selector 40 is rotated by 120 ° about the axis so that the arc side of the shaft portion 45 faces the front side.

  In the “fixed state”, the shaft portion 45 of the selector 40 and the fitting portion 20B of the cradle 20 are fitted, and the shaft portion 45 of the selector 40 and the first notch portion 30A of the turntable 30 are fitted. To do.

  Therefore, in the “fixed state”, the rotational position of the cradle 20 with respect to the base 10 is constrained at the vertical position O by the shaft portion 45, and the rotational position of the turntable 30 with respect to the cradle 20 is Thus, the insertion direction of the shaft 15 into the first through hole 20 </ b> A and the opposing direction of the protrusions 35, 35 on the turntable 30 are constrained to a position, and the receiving stand 20 and the turntable 30 are fixed to the base 10. It becomes the state.

  As shown in FIG. 7C, when the selector 40 is rotated from the “fixed state” by 120 ° about the shaft center so that the second notch portion 42 of the shaft portion 45 faces the front side, It becomes a “movable state”. In the “rotatable state”, the shaft portion 45 of the selector 40 and the fitting portion 20 </ b> B of the cradle 20 are fitted, and the turning position of the cradle 20 with respect to the base 10 is restricted at the vertical position O. The shaft portion 45 of the selector 40 and the outer peripheral surface of the turntable 30 do not interfere with each other.

  Therefore, in the “rotatable state”, the rotating table 30 is in an unconstrained state with respect to the receiving table 20 while the receiving table 20 is constrained to the vertical position O, and the receiving table 20 is fixed to the base 10. Thus, the turntable 30 is rotatable with respect to the cradle 20.

The operation of the tool holder 100 will be described with reference to FIG.
In addition, in FIG. 8, about the effect | action of the tool holding stand 100, the processing operation of the tool 50 is typically shown in a side view in the order of FIGS. 8A, 8B, 8C, and 8D. It represents.

  Hereinafter, the operation of the tool holder 100 will be described as a machining operation of the cutting tool 51 of the tool 50.

  As shown in FIG. 8 (A), the selector 40 is rotated to place the tool holding table 100 in the “tiltable state”, and the rotation position of the receiving table 20 is set to the tilted position P. Fifty holders 52 are attached. In this case, the rotation position of the turntable 30 with respect to the cradle 20 is set so that the second cutout portion 30B faces the rear side (the shaft portion 45 side of the selector 40).

  Next, as shown in FIG. 8B, the cradle 20 is rotated so that the rotation position thereof is changed from the inclined position P to the vertical position O, and the rotator 30 is rotated with respect to the cradle 20. The rotation position of the turntable 30 relative to the cradle 20 is set to a position where the first notch 30A faces the rear side (the shaft portion 45 side of the selector 40), and then the selector 40 is turned to hold the tool. The table 100 is set to the “fixed state”, and the cutting tool 51 is processed.

  Next, as shown in FIG. 8C, the selector 40 is rotated to bring the tool holding base 100 into the “rotatable state” while the rotation position of the cradle 20 is kept at the vertical position O, and the cutting tool 51 is subsequently processed. In this case, the cutting tool 51 can be processed while rotating the rotating table 30 to an arbitrary rotating position with respect to the receiving table 20.

  When the machining of the cutting tool 51 is completed, the rotary table 30 is rotated with respect to the receiving table 20, and the rotation position of the rotating table 30 with respect to the receiving table 20 is changed to the second notch 30B on the rear side (the axis of the selector 40). (Position 45 side).

  As shown in FIG. 8D, with the pivot position of the cradle 20 set to the vertical position O, the selector 40 is rotated to bring the tool holding base 100 into the “tiltable state” and the cradle 20 is moved to the vertical position. The holder 52 of the tool 50 is removed from the turntable 30 by rotating from O to the inclined position P.

The effect of the tool holder 100 will be described.
According to the tool holder 100, the attachment or removal of the tool 50 can be performed easily and easily.

  That is, when the tool 50 is attached to or removed from the tool holder 100, the pivot position of the cradle 20 is set to the inclined position P, and the tool 50 is attached to or removed from the tool holder 100. It is easy and reduces the burden on the operator.

DESCRIPTION OF SYMBOLS 10 Base 20 Receiving base 30 Turntable 40 Selector 50 Tool 51 Cutting tool 52 Holder 100 Tool holding base

Claims (3)

A tool holder for holding the tool in a vertical position,
A cradle for holding the tool;
A base that pivotally supports the cradle so that the held tool can rotate within a range from a rotation position where the held tool is in a vertical position to a rotation position where the tool is inclined;
A first state in which the rotational position of the cradle with respect to the base is in an unconstrained state within a range from a rotational position in which the held tool is in a vertical posture to a rotational position in which the held tool is in an inclined posture; A selector for switching the rotation position of the cradle with respect to the base to a second state in which the held tool is constrained to a rotation position where the held tool is in a vertical posture;
Comprising
Tool holder. The tool holder according to claim 1,
Comprising a turntable for holding the tool;
The rotary table is pivotally supported by the cradle so as to be rotatable about the axis of the held tool,
The selector includes the rotary table in a state in which the first state, the second state, and the rotation position of the cradle with respect to the base are constrained to the rotation position where the held tool is in a vertical posture. Switch to a third state in which the rotational position of the cradle is unconstrained,
Tool holder. The tool holder according to claim 2,
The selector includes a shaft that is pivotally supported by the base and has a first cutout portion and a second cutout portion, and the first cutout portion is set in the first state by directing the first cutout portion in a predetermined direction. , To make the third state by directing the second notch in the predetermined direction,
Tool holder.

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