JPH0957563A - Tool magazine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heighten storage density of a tool magazine and to dispense with a clamping mechanism for a tool within the tool magazine. SOLUTION: A pull-stud 21 of a tool (T) is inserted and positioned into a positioning, inserting hole 22, which is formed in a deep part of a tool pot 2. A center line (O) of both tool pot 2 and tool (T) forms an angle of θ with the horizontal line. Since the tool pot 2 forms an angle of θ with the horizontal line, positioning can be achieved only by inserting the tool (T) into the positioning, insertion hole 22 of the tool pot 2. With this, a clamping mechanism by which the tool is clamped to the tool pot can be dispensed with, and storage density can be heightened.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a tool magazine. More specifically, the tools are arranged in a matrix in the vertical and horizontal directions, and the center line of the tool mounting hole into which the tool formed in the tool pot is inserted is formed obliquely so that the cutting edge of the tool is located above. The present invention relates to a matrix type tool magazine that eliminates the tool clamping mechanism.

[0002]

2. Description of the Related Art A tool magazine is a device for storing a plurality of tools. Numerically controlled machine tools such as machining centers and turning centers are equipped with an automatic tool changer that automatically changes tools, and exchanges tools between a spindle and a tool magazine. Various types of tool magazines for storing a plurality of tools are known. Among them, it is known that the matrix type tool magazine can save space.
However, the tool mounting surface of the conventional matrix type tool magazine is on the same plane, and the tool is stored in the tool magazine such that the axis of the tool is horizontal. Therefore, the tools stored in the tool magazine may drop out of the tool magazine for some reason and must be clamped. This clamp mechanism complicates the structure of the tool magazine, causes poor operability during manual attachment / detachment, and causes high cost.

In particular, in the manual attachment / detachment operation of the tool, it is necessary to attach / detach while supporting the weight of the tool with a load larger than the clamping force of the clamp mechanism. He was very tired and had problems with safety.

[0004]

The present invention has been made based on the above technical background, and achieves the following objects.

It is an object of the present invention to provide a tool magazine with a high storage density.

Another object of the present invention is to provide a tool magazine which does not require a tool clamping mechanism in the tool magazine and has good operability during manual attachment / detachment.

[0007]

The present invention adopts the following means in order to achieve the above object.

The present invention is a tool magazine which is a device for storing tools, wherein the tool magazine is arranged in the tool magazine, and the central axis line is arranged between horizontal and vertical, and in the tool pot. A tool magazine, characterized in that the tool magazine is provided with engaging support means for engaging with a tool shank rear end side of the tool or a pull stud.

In the tool magazine, it is preferable that the tool pots are arranged in a vertical and horizontal matrix.

Further, it is preferable that the tool magazine is arranged in front of the tool pot, and is provided with a tool transfer device which is moved in horizontal and vertical directions to extract and insert the tool and transfer it to the machine tool side.

Further, the tool magazine temporarily holds the tool conveyed from the tool magazine by the tool conveying device or the tool exchanged by being mounted on the tool spindle of the machine tool by an automatic tool changing device. It is desirable to place a temporary holding pot.

Further, the tool magazine is a tool gripping mechanism provided in the tool transfer device, and includes a fixed claw member for gripping one side of a flange portion of a tool shank of the tool, and the fixed claw member. And a first claw member that is disposed so as to face the other side of the flange portion of the tool shank of the tool and that is swingably provided to hold the flange portion of the tool shank of the tool. A second claw member that is swingably provided coaxially with a swing axis of the first claw member, and a direction in which the first claw member and the second claw member are gripped by the flange portion. It is preferable to have a spring member for urging.

[0013]

Next, an embodiment of the present invention will be described. FIG. 1 is a front view showing a tool magazine according to an embodiment of the present invention, and FIG. 2 is a right side view of FIG. FIG. 3 is an enlarged view of the guide rail portion of FIG. FIG. 4 is a plan view of FIG. The tool magazine 1 is called a matrix type in which a plurality of tool pots 2 are arranged vertically and horizontally on a vertical surface. The magazine main body 3 forming the main body of the tool magazine 1 has a substantially rectangular shape.

A level adjusting bolt 4 is provided on the lower surface of the magazine body 3. The level adjustment bolt 4 is for adjusting the height of the magazine body 3 and maintaining the installation accuracy of the adjusted tool magazine. One end of the magazine body 3 is integrally connected to the bed 6 of the machining center 5. Linear guide rails 7, 7 are arranged and fixed in parallel above and below the magazine body 3.

The linear guide rails 7 and 7 are guide rails for moving the tool carrying device 10 for taking out the tool from the tool magazine 1, storing and carrying the tool, in the lateral direction (left and right direction in FIG. 1). On the magazine body 3, a plurality of tool pot attachment members 13 are arranged in parallel in the vertical direction (vertical direction). A plurality of tool pots 2 are vertically arranged on each tool pot mounting member 13.

5 (a) and 5 (b) show the tool pot 2, FIG. 5 (a) is a front view, and FIG. 5 (b) is FIG.
It is sectional drawing cut | disconnected by the bb line | wire of (a). A tool pot mounting plate 13 is fixed to the front surface of the magazine body 3 with bolts 14. On the tool pot mounting plate 13, the tool pot 2
Has been fixed. A flange 15 is integrally formed on the front end surface of the tool pot 2. Since the flange 15 is fixed to the tool pot mounting plate 13 with the bolt 19, the tool pot 2 is fixed to the front surface of the tool pot mounting plate 13 after all.

The flange 15 of the tool pot 2 has a convex portion 15
a is formed. The convex portion 15a is inserted into a key portion 46 (see FIG. 7), which is a groove formed in the tool T, and is angularly positioned, and is maintained at a set angular position which is the rotational angle direction of the seal shank 47 of the tool T. Therefore, even when the tool is handed over, the swing claw 4 of the tool gripping claw mechanism 43
Even when gripping with 5, the positioning of the tool shank 47 of the tool T in the rotational direction is maintained.

Inside the tool pot 2 is a tool shank 1
A taper hole (tool mounting hole) 17 for inserting 6 is formed. The inlet 18 of the tapered hole 17 is in contact with the tool shank 16 but is escaped so as not to contact the deep position of the tapered hole 17. The pull stud 21 of the tool T has a grip portion that is pulled in the axial direction when mounted and clamped on the tool spindle of a machine tool such as a machining center.

The pull stud 21 is inserted into an engagement support hole 22 formed in the deep portion of the tool pot 2. The center line O of the tool pot 2 and the tool T forms an angle θ with the horizontal line. The angle θ is 15 degrees in this embodiment, but is 10 to 6
It may be about 0 degree. The tool pot 2 has an angle θ from the horizontal.
Since the tool shank 16 of the tool T is simply inserted into the tool pot 2, the tool shank 16 and the pull stud 21 are supported by the tool 18's own weight by the entrance 18 of the tapered hole 17 and the engagement hole 22 and come out. Never. That is, the pull stud 21 does not come out due to its own weight.
There is an advantage that it is not necessary to clamp the etc. to the tool pot 2. Further, the key portion formed on the tool shank 16 engages with the convex portion 15a formed on the tool pot 2 and is positioned in the direction around the tool axis.

The frame 25 of the tool carrier 10 has a generally U-shape. Slide blocks 26 are arranged above and below the ends of the U-shaped frame 25. The slide blocks 26, 26 are linear guide rails 7, 7
Can be moved over. Therefore, the upper and lower sides of the frame 25 are guided by the linear guide rails 7, 7 and can be moved to the left and right as shown in FIG.

A drive motor 29 such as a servo motor is arranged at a lower position of the frame 25. The output of the drive motor 29 is output to the pinion 28 on the output shaft via the reduction gear mechanism.
Has been fixed. The pinion 28 meshes with the rack 27. The rack 27 is fixed to the magazine body 3. When the drive motor 29 is activated, the frame 25 moves left and right (in FIG. 1) on the linear guide rails 7, 7.

A ball screw 30 is vertically arranged on the frame 25. The upper and lower sides of the ball screw 30 have bearing bases 31 and 31 with built-in bearings fixed to the frame 25.
It is rotatably supported by. The lower end of the ball screw 30 is connected to the output shaft of a drive motor 32 such as a servo motor via a toothed belt transmission mechanism. Linear guide rails 8 parallel to both sides of the ball screw 30 on the frame 25,
8 are arranged.

An elevating table 34 of the tool transfer device 10 is movably arranged on the linear guide rails 8 and 8 via four slide blocks 9 (indicated by dashed lines at the vertically moving ends). The elevating table 34 is arranged at an angle θ from the horizontal line. Two parallel guide rods 36, 36 are provided on the lift table 34 via a bush 35 so as to be movable in a direction inclined by an angle θ from the horizontal.

The rear ends of the guide rods 36, 36 are connected at both ends of a connecting member 37. The central portion of the connecting member 37 is connected to the tip of the piston rod 39 of the first cylinder 38. The main body of the first cylinder 38 is fixed to the lift table 34. At the tips of the guide rods 36, 36,
The tool gripping head 40 gripping claw main body 41 is fixed by bolts 42.

7 (a) and 7 (b) show a tool gripping claw mechanism 43.
7 (a) is a front view and FIG. 7 (b) is a side view of FIG. 7 (a). A tool gripping claw mechanism 43 is provided at the tip of the tool gripping head 40. The tool grasping pawl mechanism 43 includes a fixed pawl 44 and a swing pawl 45 arranged so as to face the fixed pawl 44. The tool T has key portions (key grooves) 46, 46 formed at two locations. The key portion (key groove) 46 is a recess for positioning the tool T at a predetermined angular position in the direction around the axis of the tool T.

The swinging pawl 45 is the tool shank 1 of the tool T.
The tool shank 1 swings when gripping or releasing 6
The flange portion 47 of 6 is gripped or released. Swing claw 45
Comprises a first claw member 48 and a second claw member 49. The first claw member 48 and the second claw member 49 swing around the support shaft 50. The first claw member 48 is swingably supported between the grip claw bodies 51, 51 formed integrally with the fixed claw 44.

The other end of the first claw member 48 is provided with a spring member 55.
Are arranged, and the head portion 52 of the first claw member 48 presses the head portion 52 in the direction of coming into contact with the outer periphery of the bottom portion of the V-shaped outer peripheral groove of the flange portion 47. When the tool shank 16 of the tool T is gripped, the intermediate convex portion 53 of the first claw member 52 is the key portion 46.
Of the key portion 46 and is in contact with one end surface of the key portion 46.

The other end of the second pawl member 49 has a spring member 56.
Is arranged, and the head portion 57 of the second claw member 49 is attached to the key portion 46.
Of the key portion 46 and is in contact with the other end surface of the key portion 46.
After all, the head 57 of the second claw member 49 and the first claw member 52
The tool T is angularly positioned by the intermediate convex portion 53. Near the other end of the first claw member 48, a stopper pin 60 fixed to the guide portion 34a of the elevating table 34 is provided so as to be relatively movable in the guide hole 51a of the grip claw body 51.

One side of the stopper pin 60 is used for the lifting table 3
4 is fixed near the guide portion 34. Stopper pin 6
The other side of 0 is guided by a guide member 60 a provided on the grip claw main body 51. Further, the tool gripping claw mechanism 43
Is moved forward by the first cylinder 38 (the tool gripping / gripping release position), the first claw member 48 and the stopper pin 60
The first claw member 48 is swingable around the support shaft 60 without engaging with. Further, the first pawl member 48 is always biased in the gripping direction by the spring member 55, but when it is radially inserted into the flange portion 47 of the tool shank 16 of the tool T, the biasing force of the spring member 55 is exerted. The gripping groove Ta of the tool shank 16 is gripped by swinging against each other and cooperating with the fixing claw 44 and the like.

After gripping the gripping groove Ta of the tool shank 16 of the tool T, the tool shank 16 of the tool T is pulled out from the tool pot 2 in the A direction.
8 and the stopper pin 60 engage with each other, and the stopper pin 60 regulates the swing of the first claw member 48. That is, the swinging claw 43 of the tool gripping claw mechanism 43 moves in the unclamping direction [see FIG.
(A) in the clockwise direction], the gripping state of the tool T is stably maintained even when the tool transfer device 10 moves at high speed, and the tool T does not jump out from the tool gripping pawl mechanism 43. Absent.

In the second cylinder 70 shown in FIG. 6, the cylinder body is fixed to the lifting table 34, and the piston rod 71 is connected to the connecting portion 72 formed on the frame 25. When operating the tool gripping head 40, the first cylinder 38
The second cylinder 70 is actuated to drive the tool gripping head 40 only when the stroke is insufficient. As shown in FIG. 2, the tools T in the tool magazine 1 are stored vertically aligned from the upper stage to the lower stage.

However, the tools T in the column closest to the machining center 5 are arranged in the front position except the four tools T in the lower position and the tools T in the upper position. This is to prevent interference with the automatic tool changer 80. A temporary holding pot 82 is arranged at an intermediate position in the column. The temporary holding pot 82 is the tool carrier device 10.
It is for temporarily storing the tool T transported by.

The automatic tool changer 80 is for exchanging the tool T between the tool spindle 81 of the machining center 5 and the tool magazine 1. The transfer body 86 of the automatic tool changer 80 can be swung about the turning central axis 85 by an angle θ. The transfer body 86 is provided with a twin arm 87 for automatically exchanging the tool T by grasping the tool T and rotating it by 180 degrees.

(Operation of First Embodiment) Next, the operation of the first embodiment will be described. When a command to take out the tool T is issued from the tool magazine 1, the control device (not shown) issues a command to the tool transfer device 10 so as to move to the position where the tool T is stored. The drive motor 29 is driven by this command and the pinion 28 of its output shaft is driven.
Turning the. Since the pinion 28 meshes with the rack 27, it drives the frame 25 of the tool transfer device 10 left and right along the linear guide rail 7.

At the same time, by this command, the drive motor 32
Is activated to rotate the ball screw 30 and drive the elevating table 34 upward or downward. When a predetermined tool T is selected by driving the drive motor 32 in the vertical direction, the drive motor 29 is driven next and the tool T is held only by inserting the tool gripping pawl mechanism 43 into the flange portion 47 of the tool T. be able to.

That is, the swing claw 45 swings around the support shaft 50, and the first claw member 48 and the second claw member 49 swing to grip the flange portion 47. After that, the first cylinder 38 on the elevating table 34 is operated to guide the two guide rods 36, 36 to the bush 35 and drive them. Tool gripping head 40 provided with a tool gripping claw mechanism 43
Is the tool shank 16 and pull stud 2 of the tool T
1 is pulled out from the tool pot 2. Tool grip claw mechanism 43
Moves in the direction of extracting the tool, the first claw member 4
8 and the stopper pin 60 are engaged to prevent the swing claw from swinging in the grip release direction. When this extraction is completed, the frame 25 is driven to the position of the temporary holding pot 82.

The tool T is inserted into the temporary holding pot 82 by the reverse operation of the extraction operation of the tool T. When inserting the tool T from the temporary holding pot 82 into the tool pot 2, the operation of the tool transfer device 10 is performed in the reverse order of the above procedure. In addition, when the tool T of the tool pot mounting plate 13 in another column is selected, the moving table 34 is moved to the moving space portions 13a, 13a ... Where the tool pot 2 is not arranged. The tool T and the tool gripping head 40 do not interfere with each other at this moving space position.

(Other Embodiments) In the above-described embodiment, the tool magazine 1 has the tools T arranged in a matrix. However, this arrangement of tools may be other arrangements. In the above embodiment, the pull stud portion is engaged and supported, but it may be supported only by the tool shank.

[0039]

As described above in detail, according to the present invention, when the tool is stored in the tool magazine, the clamp mechanism for the tool is not required, so that the structure of the tool magazine is simple. The storage density of tools can be increased. In addition, the operability of manual attachment / detachment to / from the tool pot is significantly improved.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a tool magazine of the present invention.

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is an enlarged view of a guide rail portion of FIG.

FIG. 4 is a plan view of FIG.

5 (a) and 5 (b) show a tool pot, and FIG.
5A is a front view, and FIG. 5B is b- in FIG. 5A.
It is sectional drawing cut | disconnected by the b line, FIG.5 (c) is FIG.5 (a).
It is sectional drawing cut | disconnected by the cc line of FIG.

FIG. 6 is a plan view of the tool transfer device.

7 (a) and 7 (b) are diagrams showing details of a tool gripping claw mechanism, FIG. 7 (a) is a front view, and FIG.
FIG. 7 is a side view of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Tool magazine 2 ... Tool pot 3 ... Magazine main body 5 ... Machining center 10 ... Tool transport device 13 ... Tool pot mounting member 25 ... Frame 30 ... Ball screw 43 ... Tool gripping claw mechanism 45 ... Swing claw 48 ... First claw Member 49 ... Second claw member 51 ... Grip claw main body 80 ... Automatic tool changer 86 ... Transfer body

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[Procedure amendment]

[Submission date] February 5, 1996

[Procedure amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0002

[Correction method] Change

[Correction contents]

[0002]

2. Description of the Related Art A tool magazine is a device for storing a plurality of tools. Mashinin numerically controlled machine tool such as a grayed centers and turning centers, equipped with an automatic tool changer for exchanging automatically the tool, tool change between the spindle and the tool magazine. Various types of tool magazines for storing a plurality of tools are known. Among them, it is known that the matrix type tool magazine can save space.
However, the tool mounting surface of the conventional matrix type tool magazine is on the same plane, and the tool is stored in the tool magazine such that the axis of the tool is horizontal. Therefore, the tools stored in the tool magazine may drop out of the tool magazine for some reason and must be clamped. This clamp mechanism complicates the structure of the tool magazine, causes poor operability during manual attachment / detachment, and causes high cost.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction contents]

A level adjusting bolt 4 is provided on the lower surface of the magazine body 3. The level adjustment bolt 4 is for adjusting the height of the magazine body 3 and maintaining the installation accuracy of the adjusted tool magazine. One end of the magazine body 3 is integrally connected to the bed 6 of the machining center 5. Linear guide rails 7, 7 are arranged and fixed in parallel above and below the magazine body 3.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0015

[Correction method] Change

[Correction contents]

The linear guide rails 7 and 7 are guide rails for moving the tool carrying device 10 for taking out the tool from the tool magazine 1, storing and carrying the tool, in the lateral direction (left and right direction in FIG. 1 ) . On the magazine body 3, a plurality of tool pot attachment members 13 are arranged in parallel in the vertical direction (vertical direction). A plurality of tool pots 2 are vertically arranged on each tool pot mounting member 13.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0023

[Correction method] Change

[Correction contents]

The elevating body 34b and the elevating table 34 of the tool transfer device 10 are movably arranged on the linear guide rails 8 and 8 through four slide blocks 9 (shown by a dashed line at the lower moving end). There is. The elevating table 34 is arranged at an angle θ from the horizontal line. In addition, the lift 34 is raised.
Move in a direction inclined by angle θ from the horizontal with respect to the descending body 34b
It is free. Two parallel guide rods 36, 36 are provided on the lift table 34 via a bush 35 so as to be movable in a direction inclined by an angle θ from the horizontal.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0027

[Correction method] Change

[Correction contents]

The other end of the first claw member 48 is provided with a spring member 55.
Are arranged, and the head portion 52 of the first claw member 48 presses the head portion 52 in the direction of coming into contact with the outer periphery of the bottom portion of the V-shaped outer peripheral groove of the flange portion 47. When the tool shank 16 of the tool T is gripped, the intermediate convex portion 53 of the first claw member 48 is provided with the key portion 46.
Is inserted into the groove of and contacts one end surface of the key portion 46.

[Procedure correction 6]

[Document name to be amended] Statement

[Name of item to be corrected] 0029

[Correction method] Change

[Correction contents]

One side of the stopper pin 60 is used for the lifting table 3
It is fixed to the guide portion 34 a vicinity of 4. The other side of the stopper pin 60 is guided by a guide member 60 a provided on the grip claw main body 51. In addition, the tool gripping claw mechanism 4
3 is moved forward by the first cylinder 38 (tool gripping / gripping release position), the first claw member 48 and the stopper pin 6
0 without engaging the first pawl member 48 is shaft 5 0
It is possible to swing around. Further, the first claw member 48 is
Although the spring member 55 constantly urges in the gripping direction,
When the tool T is radially inserted into the flange portion 47 of the tool shank 16, the tool T swings against the urging force of the spring member 55 and cooperates with the fixing claws 44 and the like to grip the grip groove Ta of the tool shank 16. To do.

[Procedure amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0031

[Correction method] Change

[Correction contents]

The second cylinder 70 shown in FIG. 6 has a cylinder body fixed to the lift table 34. Tool gripping head 4
When 0 is operated, only when the stroke of the first cylinder 38 is insufficient, the second cylinder 70 is operated to drive the tool gripping head 40. As shown in FIG. 2, the tools T in the tool magazine 1 are stored vertically aligned from the upper stage to the lower stage.

[Procedure amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0037

[Correction method] Change

[Correction contents]

The tool T is inserted into the temporary holding pot 82 by the reverse operation of the extraction operation of the tool T. When inserting the tool T from the temporary holding pot 82 into the tool pot 2, the operation of the tool transfer device 10 is performed in the reverse order of the above procedure. When the tool T of the tool pot mounting plate 13 in another column is selected, the lift table 34 is moved to the moving space portions 13a, 13a ... Where the tool pot 2 is not arranged. At the position of this moving space portion 13a , the tool T and the tool gripping head 4 are
0 does not interfere.

[Procedure amendment 9]

[Document name to be amended] Statement

[Correction target item name] Brief description of drawings

[Correction method] Change

[Correction contents]

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a tool magazine of the present invention.

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is an enlarged view of a guide rail portion of FIG.

FIG. 4 is a plan view of FIG.

5 (a) and 5 (b) show a tool pot, and FIG.
5A is a front view, and FIG. 5B is b- in FIG. 5A.
It is sectional drawing cut | disconnected by the b line, FIG.5 (c) is FIG.5 (a).
It is sectional drawing cut | disconnected by the cc line of FIG.

Figure 6 is a side view of a tool-carrying device.

7 (a) and 7 (b) are diagrams showing details of a tool gripping claw mechanism, FIG. 7 (a) is a front view, and FIG.
FIG. 7 is a side view of FIG.

[Explanation of Codes] 1 ... Tool magazine 2 ... Tool pot 3 ... Magazine body 5 ... Machining center 10 ... Tool transport device 13 ... Tool pot mounting member 25 ... Frame 30 ... Ball screw 43 ... Tool gripping claw mechanism 45 ... Swing claw 48 ... first claw member 49 ... second claw member 51 ... holding claw main body 80 ... automatic tool changer 86 ... transfer body

[Procedure amendment 10]

[Document name to be amended] Drawing

[Correction target item name] Fig. 1

[Correction method] Change

[Correction contents]

FIG.

Claims (5)

[Claims] 1. A tool magazine, which is a device for storing tools, wherein the tool magazine is arranged in the tool magazine, and a central axis line is arranged between horizontal and vertical, and a tool pot is provided in the tool pot. A tool magazine comprising engagement support means for engaging with a tool shank rear end side of the tool or a pull stud. 2. The tool magazine according to claim 1, wherein the tool pots are arranged in a vertical and horizontal matrix. 3. The tool magazine according to claim 1 or 2, wherein the tool magazine is arranged in front of the tool pot and is moved in horizontal and vertical directions to extract and insert the tool and convey it to the machine tool side. A tool magazine, comprising: 4. The tool magazine according to claim 3, wherein the tool carried by the tool carrying device from the tool magazine or an automatic tool changing device is attached to and replaced by a tool spindle of the machine tool. And a temporary holding pot for temporarily holding the tool. 5. A tool magazine according to claim 4, wherein the tool gripping mechanism is provided in the tool transfer device, and is a fixed claw for gripping one side of a flange portion of a tool shank of the tool. A member, a first claw member that is arranged so as to face the fixed claw member and is swingably provided to grip the other side of the flange portion of the tool shank of the tool, and a first shank of the tool shank of the tool. The second claw member, which is swingably provided coaxially with the swing axis of the first claw member for gripping the flange portion, the first claw member and the second claw member, A tool magazine, comprising: a spring member for urging the flange portion in a gripping direction.