JP2007021706A - Shrinkage-fitting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shrinkage-fitting device for surely achieving the fitting of a cutting tool into a shrinkage-fitting holder even when a mounting state of the cutting tool or that of the shrinkage-fitting holder or the like is in a misaligned state. <P>SOLUTION: The shrinkage-fitting device is composed so as to allow the cutting tool to be inserted into a gripping hole 2 by the following way. When a chamfering part 12 on the cutting tool side or its edge is brought into contact with a chamfering part 10 on the gripping side after executing the operation for fitting the cutting tool 3 supported by a cutting tool support body 10 into the gripping hole 2, the cutting tool 3 is inserted into the gripping hole 2 after making the cutting tool 3 insertable into the gripping hole 2 with the movement of the shrinkage-fitting holder 5 caused by a holder support body 8 that is pushingly moved by the cutting tool 3 abutting and pushing the holder support body 8 due to the occurrence of a sliding guide operation of the contact part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is fitted by heating the holder by induction heating to expand the gripping hole of the gripping portion, inserting a cutting tool into the expanded gripping hole, cooling the holder, and thermally contracting the gripping portion. The present invention relates to a shrink-fitting device that firmly holds a cutting tool.

  In the conventional shrink fitting device, the cutting tool is inserted into the holding hole of the holding part of the holder by attaching the holder to the fixed holder support and moving on the rail. Attach the cutting tool, and in this state of attachment, the core of the holder and the core of the cutting tool become the same core, and the cutting tool is moved toward the holder as it is, and the cutting tool is fitted into the holding part of the holder Technology is known.

In the above-described prior art, since the insertion gap of the cutting tool to the shrink-fit holder is extremely fine, it will hit only when a slight misalignment occurs. There is a drawback in that the mounting state and the like often become slightly misaligned, resulting in frequent occurrence of inability to fit.
None None

  In view of the drawbacks of the prior art as described above, the present invention reliably realizes the insertion of the cutting tool into the shrink-fit holder even when the cutting tool is attached or the shrink-fit holder is in a misaligned state. An object of the present invention is to provide a shrink fitting device.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

In order to achieve the above object, the present invention is as follows.
<Invention of Claim 1>
An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder support that sets the shrink-fit holder in a predetermined direction and position so as to be heated by the induction heating unit, and finely moves the holder support within the restricted range by inserting the cutting tool into the gripping hole. A regulation base that can be supported, and a cutting tool support that supports the cutting tool and moves the cutting tool toward the shrink-fit holder and inserts the cutting tool into the gripping hole,
The gripping in which the regulation range is within a gripping side chamfering portion of the gripping hole and a cutting tool chamfering portion of the cutting tool, and is heated by the induction heating unit and thermally expanded to be able to insert the cutting tool. In the state where the cutting tool is inserted into the hole, when the cutting tool side chamfered part or the edge thereof hits the grip side chamfered part, a sliding guide operation of the hit part occurs to push the hit The holder support is moved by the cutting tool, the shrink-fit holder moves, the cutting tool can be inserted into the holding hole, and the cutting tool is inserted into the holding hole. Configure the device.
<Invention of Claim 2>
An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder support for setting the shrink-fit holder in a predetermined direction and position so as to be heated by the induction heating unit; and supporting the cutting tool and moving the cutting tool toward the shrink-fit holder A cutting tool support that is inserted into the gripping hole, a regulation base that supports the cutting tool support so that the cutting tool can be finely moved within the regulation range by inserting the cutting tool into the gripping hole, and the regulation range includes the gripping tool. The cutting tool is placed in the gripping hole which is within the range of the gripping side chamfering portion of the hole and the cutting tool side chamfering portion of the cutting tool and is thermally expanded by the induction heating unit to be able to insert the cutting tool. Insertion When the cutting tool side chamfered part or its edge hits the grip side chamfered part in a state where the cutting tool is operated, the cutting tool is supported by the cutting tool which is caused to slide and push against the gripping side chamfered part. The body is pushed and the cutting tool is moved so that the cutting tool can be inserted into the gripping hole and the cutting tool is inserted into the gripping hole.
<Invention of Claim 3>
3. The holder support or the cutting tool support according to claim 1, wherein the holder support and the cutting tool support are supported in a horizontal state or a vertical state, and are in a finely movable state within a restricted range. In a state where the body support surface is formed flat and the cutting tool is not inserted into the gripping portion, the shrink-fit holder supported by the holder support or the cutting tool support is always predetermined. The shrink-fitting device configured to be in a horizontal state or a vertical state at the position is configured.
<Invention of Claim 4>
In the configuration of the invention according to any one of claims 1, 2, and 3, at least a part of the holder support or the cutting tool support that is regulated within the regulation range by the regulation base has a narrow form that can be finely moved even with a small force. A shrink-fitting device is constructed.
<Invention of Claim 5>
The configuration of the invention according to any one of claims 1, 2, 3, and 4, wherein the shrink-fit holder is in a form in which the holder support is set horizontally, and for adjusting the center of gravity of the holder support or the cutting tool support A shrink fitting device provided with a center of gravity adjusting means is configured.
<Invention of Claim 6>
An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder set portion for vertically setting the shrink-fit holder so as to be heated by the induction heating portion; and forming a regulation gap between the set shrink-fit holder and the holder set portion, and the cutting tool A holder support that is vertically supported so as to be finely movable within a regulation range by an insertion operation of the grip hole, and the regulation range includes a grip side surface portion of the grip hole and a cutting tool side surface portion of the cutting tool. The cutting tool is in a state where the cutting tool is inserted into the gripping hole which is within the range and is heated by the induction heating unit and thermally expanded to be capable of inserting the cutting tool. When a chamfered part or an edge thereof hits the grip side face chamfered part, a sliding guide operation of the contact part occurs, and the shrinkage fitting holder is moved by the cutting tool that hits and pushes, and the cutting tool is inserted into the gripping hole. The shrink-fitting device is configured so that the cutting tool is inserted into the gripping hole in an insertable state.

As is clear from the above description, the present invention has the following effects.
<Effect of the Invention of Claim 1>
An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder support that sets the shrink-fit holder in a predetermined direction and position so as to be heated by the induction heating unit, and finely moves the holder support within the restricted range by inserting the cutting tool into the gripping hole. A regulation base that can be supported, and a cutting tool support that supports the cutting tool and moves the cutting tool toward the shrink-fit holder and inserts the cutting tool into the gripping hole,
The gripping in which the regulation range is within a gripping side chamfering portion of the gripping hole and a cutting tool chamfering portion of the cutting tool, and is heated by the induction heating unit and thermally expanded to be able to insert the cutting tool. In the state where the cutting tool is inserted into the hole, when the cutting tool side chamfered part or the edge thereof hits the grip side chamfered part, a sliding guide operation of the hit part occurs to push the hit A configuration in which the holder support is moved by the cutting tool, the shrink-fit holder is moved, the cutting tool is inserted into the gripping hole, and the cutting tool is inserted into the gripping hole; So
Even if the gripping part core and the cutting tool core are misaligned, the shrink fit holder is pushed and the core misalignment is corrected so that the insertable state is formed. The effect that it is inserted into can be obtained.
<Effects of Invention of Claim 2>
The configuration is such that the side of the cutting tool is moved, and even with such a configuration, it is possible to obtain the same effect as that of the first aspect of the present invention.
<Effect of the Invention of Claim 3>
In addition to the effect of the invention according to any one of claims 1 and 2, the holder support and the cutting tool support are always supported in a horizontal state or a vertical state, and the holder support is in a finely movable state within a restricted range. Alternatively, by forming the support surface of the cutting tool support flat, in a state where the cutting tool is not inserted into the gripping part, the shrink-fit holder supported by the holder support or the cutting tool support Since the supported cutting tool is always in a horizontal state with a predetermined height position, it is possible to obtain an effect that its restriction structure is simple and can be made at low cost.
<Advantageous Effects of Invention>
Since the same effect as that of any one of the first, second, and third aspects of the invention is obtained, and the regulated portion is configured to have a narrow width that finely moves even with a small force, the fine movement is achieved by lightly hitting the shrink-fit holder of the cutting tool. It is possible to obtain an effect that the movable portion is generated so that the gripping portion and the cutting tool are matched and the fitting is performed smoothly.
<Effect of the Invention of Claim 5>
In addition to the effect of the invention described in claim 4, the center of gravity can be made to be the most suitable part according to the thickness of the shrink fitting holder or cutting tool attached by the center of gravity adjusting means, and it can always be optimally finely movable. The effect that can be obtained.
<Advantageous Effects of Invention>
An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder set portion for vertically setting the shrink-fit holder so as to be heated by the induction heating portion; and forming a regulation gap between the set shrink-fit holder and the holder set portion, and the cutting tool A holder support that vertically supports the shrink-fit holder within a restricted range so that the shrink fit holder can be finely moved by the operation of inserting the gripped hole into the gripping hole. In a state where the cutting tool is inserted into the gripping hole which is within the range of the tool side surface taking part and is thermally expanded by the induction heating unit and is in a state where the cutting tool can be inserted. Then, when the cutting tool side chamfered part or its edge hits the grip side chamfered part, a sliding guide operation of the hitting part occurs, and the shrinkage holder is pushed by the cutting tool to push the gripping part. Since the cutting tool can be inserted into the hole and constitutes a shrink fitting device configured to insert the cutting tool into the gripping hole,
This is realized by making the configuration of the holder set part of the conventional holder support slightly larger than the shrink-fit holder and forming a regulation gap with the harmful shrink-fit holder. It is possible to achieve the effect of realizing without.

  Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the invention shown in the drawings.

In the best first embodiment for carrying out the present invention shown in FIGS. 1 to 4, reference numeral 1 denotes a shrink fitting device. The shrink fitting device 1 moves the gripping portion 4 of the shrink fitting holder 5 by an induced current. An induction heating unit 6 composed of a coil to be heated, an induction heating device 7 for supplying a high frequency current of approximately 2 MHz to the induction heating unit 6, and the shrink-fitting holder 5 horizontally in a predetermined direction so as to be heated by the induction heating unit 6 A holder support 8 having a flat support surface to be set, a restriction base 9 that supports the holder support 8 so that at least the front side can be moved up and down and left and right within a restriction range A, and a cutting tool 3 horizontally. The cutting tool support 10 that moves the cutting tool 3 toward the shrink fitting holder 5 that is supported by the shrink fitting holder 5 and inserts the cutting tool 3 into the gripping hole 2, and the regulation base 9 and the cutting tool support 10 are provided. Rail that supports and guides horizontally It is made up of 3.
As shown in FIGS. 3 and 4, the regulation range A is within the range of the gripping side chamfering portion 11 of the gripping hole 2 and the cutting tool side chamfering portion 12 of the cutting tool 3, and is heated by the induction heating unit 6. In the state where the gripping hole 2 can be inserted into the cutting tool 3 by the thermally expanded gripping part 4 and the cutting tool 3 supported by the cutting tool support 10 is inserted, the cutting tool side surface taking part 12 and its edge Slid on the gripping side chamfer 10, the sliding support operation of the contact portion occurs, and the holder support 8 is pushed by the cutting tool 3 that presses the contact, whereby the shrink-fit holder 5 moves and the gripping hole 2 is moved. The end of the cutting tool 3 is aligned with the end of the cutting tool 3 so that it can be inserted, and the cutting tool 3 is inserted into the holding hole 2.
At the front of the cutting tool support 8, a chuck-like mechanical gripping portion 20 that holds the cutting tool 3 is provided, and the cutting tool support 8 is provided with a base 21 that is guided to move to the rail 13.

The structure that allows the holder support 8 to be finely moved and restricts the finely movable range is such that the restriction base 9 is provided with a restriction recess 14 having a square shape and a flat bottom (support surface), and the support body of the holder support 8 A regulated portion 16 having a rectangular shape wider than 15 is provided below 15, and a regulated ceiling that regulates the upper side of the 16 in a state where the regulated portion 16 is housed in a regulated recess (regulated portion) 14. The plate 17 is fixed with bolts.
Between the part 16 to be regulated, the regulation recess 14 and the regulation ceiling plate 17, regulation gaps 18 are formed on the front, rear, left, and right sides and above in order to set the horizontal movement range of the holder support 8 within the regulation range A.
A configuration in which the movement of the shrink-fit holder is within the restriction range A can be realized at a low cost by making the restricted portion 16 and the restricting concave portion 14 polygonal, such as a quadrangle, and making the bottom portion (support surface) a flat shape.
The restriction range A structure may be provided on the cutting tool support 10 side.
The regulated ceiling board may be in the form of a rod-like beam.

(Different modes for carrying out the invention)
Next, different modes for carrying out the present invention shown in FIGS. 5 to 6 will be described. In the description of the different modes for carrying out the present invention, the same components as those in the best first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

In the second preferred embodiment for carrying out the present invention shown in FIG. 5, the main difference from the first embodiment for carrying out the present invention is that the fine movement range is regulated by the regulation range A. The configuration is in the point provided on the cutting tool support 25 side.
The specific structure is as follows.
A part 26 in which the fine movement range of the flat part (support surface) of the ceiling part is formed in a square concave shape so as to rise from the bottom part of the support body 27 of the cutting tool support 25 is formed. And a regulation gap 18 for regulating the fine movement range of the side portion 26 and the portion 26 regulated from the lower side is formed to support the cutting tool support 25 so that at least the front side can be finely moved vertically and horizontally within the regulation range A. Thus, a restriction base 28 having a restriction portion 29 is provided.
Since it can be set by simply placing the cutting tool support 25 on the regulation base 28, the handling is easy, and a plurality of cutting tool supports can be easily replaced and used. In particular, by providing this configuration on the holder support side, a number of holder supports are prepared, and the holder support that supports the shrink-fit holder after the shrink-fit holder is supported by the shrink-fit holder in advance. It can be removed and turned to the cooling device side, and the holder support already supporting the shrink-fit holder can be set in the device. It is also possible to easily replace the holder support that has different diameters for supporting the shrink-fit holder.
It is preferable that the width (body thickness) of the restricted portion 28 and the restricted portion 26 is made narrow so that the structure can be easily tilted (smallly moved) even with a small force.

6 differs from the second embodiment for carrying out the present invention in the best third embodiment for carrying out the present invention as shown in FIG. The restriction base 31 is a cylinder-shaped restriction base 31, and a restriction hole 32 is provided in a side portion of the restriction part 30, and the restriction hole 32 is restricted within the restriction hole 32. This is in that a regulating pin (regulating portion) 33 having a thickness that forms the gap 18 is provided.
The inner wall of the hole 32 restricted by the restriction pin 33 hits and the movement is restricted within the restriction range A.
The restriction pin 33 can be easily inserted and removed, and a magnet is provided on the outside of the knob.
A portion corresponding to the restriction hole 32 may be provided on the support body 27 side to form the restriction gap 18 on the 27 side, and a pin hole in which the tip side of the restriction pin 33 fits without margin may be provided on the restriction base side.
The circular empty form and the cylindrical form can be precisely formed at low cost, thereby realizing lower cost.
Since the restriction by the restriction pin 33 and the restriction hole 32 is performed, it is preferable that the gap is made large so that the restriction by the restriction base 31 and the restricted portion 30 is not performed and outside the restriction range A.

7 differs from the first embodiment for practicing the present invention in the fourth preferred embodiment for practicing the present invention, except that the holder support is a narrow quadrangular prism. The holder support 35 is configured, and the lower portion of the support body 40 of the holder support 35 is defined as a restricted portion 36. The restricted portion 36 is fitted to restrict the fine movement of the 36 within the restricted range A. A regulating recess 37 is provided in the regulating base 9, and a balancer support guide shaft 38 extending rearward is attached to the holder support 35, and a center of gravity formed by a balancer 39 movably attached to the balancer support guide shaft 38. The adjusting means 41 is provided, and the sliding smooth plate 42 is provided between the holder support 35 and the support surface of the restriction base 9.
“The holder support body is a holder body 35 in the form of a narrow quadrangular prism (a balance form that easily falls down with a small force = a form that easily falls down), and the lower part of the holder support body 35 is a restricted portion 36”. A structure that finely moves even with force is realized, and the balancer 38 is appropriately positioned according to the size and weight of the shrink-fit holder to be set, and the center of gravity is optimally positioned at the center of the holder support 35 or the part to be regulated. To be.

In the fifth preferred embodiment for carrying out the present invention shown in FIG. 8, reference numeral 45 denotes a shrink-fitting device. The shrink-fitting device 45 includes an induction heating unit 6, an induction heating device 7, and a shrink fitting holder. 5 has a holder set portion 46 that is set from the top so as to be heated by the induction heating portion 6 so as not to move vertically, and the ceiling portion is formed in a concave shape in the bottom opening so as to open at the bottom and rise from the bottom. A holder support 47 that forms a portion 26 where the fine movement range of the straight (support surface) is restricted, and a restriction that restricts the fine movement range of the portion 26 that is fitted to the restricted portion 26 from below and restricted on the side. It comprises a regulation base 28 provided with a regulating portion 29 which forms a gap 18 and supports the shrink-fitting holder 5 set on the holder support 47 so as to be horizontally or tiltably movable within the regulation range A. .
The regulation range A is within the range of the gripping side chamfering part of the gripping hole 2 and the cutting tool chamfering part of the cutting tool 3 (not shown), and is heated by the induction heating unit 6 (not shown) and thermally expands. In a state where the cutting tool 3 is inserted into the gripping hole 2 in which the cutting tool can be inserted, if the cutting tool side chamfered part or its edge hits the gripping side chamfered part, the contact part slips. The shrink-fitting holder 5 is moved by the cutting tool which is guided and pushed and moved horizontally or inclined so that the cutting tool 3 can be inserted into the gripping hole 2 and the cutting tool 3 is smoothly inserted into the gripping hole 2. To work.

In the sixth preferred embodiment for carrying out the present invention shown in FIG. 9, reference numeral 50 denotes a shrink fitting device, and the shrink fitting device 50 includes an induction heating unit 6, an induction heating device 7, and a shrink fitting holder. 5 is composed of a holder support 52 having a holder set portion 51 in the form of a cylindrical hole that is inserted from above so as to be heated by the induction heating portion 6 and is vertically supported by the shrinkage-fitting holder 5 of the holder set portion 51. The support is provided by placing the flange 53 of the shrink-fit holder 5 on the edge of the holder set portion 51, and a regulation gap 18 is formed between the shrink-fit holder 5 and the opening edge of the holder set portion 51. Is finely moved within the regulation range A.
The regulation range A is within the range of the gripping side chamfering part of the gripping hole 2 and the cutting tool side chamfering part of the cutting tool 3, and the gripping hole heated by the induction heating unit 6 and thermally expanded to be in a state where the cutting tool can be inserted. In the state in which the cutting tool 3 is inserted into the cutting tool 3, when the cutting tool side chamfering part or its edge hits the gripping side chamfering part, a sliding guide operation of the hitting part occurs and the pressing tool 3 hits and hits. As a result, the shrink-fitting holder 5 is moved and a state in which the cutting tool 3 can be inserted into the gripping hole 2 is formed, so that the cutting tool 3 is smoothly inserted into the gripping hole 2.

  In the seventh preferred embodiment for carrying out the present invention shown in FIG. 10, reference numeral 54 denotes a shrink-fitting device. The shrink-fitting device 54 includes an induction heating unit 6, an induction heating device 7, and a shrink fitting holder. 5 is composed of a holder support 56 having an inverted conical holder set 55 that is vertically supported by being heated by the induction heating unit 6. Support is provided by the bottom of the holder set portion 51, and a regulation gap 18 is formed between the shrink-fit holder 5 and the holder set portion 51 and between the holder support 56 and the flange 63, and the shrink-fit holder 5 is within the regulation range A. It is designed to move within.

In the eighth preferred embodiment for carrying out the present invention shown in FIG. 11, 58 is a shrink-fitting device, and this shrink-fitting device 58 includes an induction heating unit 6, an induction heating device 7, and a shrink-fitting holder. 5 includes a holder support body 60 having a holder set portion 59 in the form of a cylindrical recess that is vertically supported so that 5 is heated by the induction heating portion 6. Support is provided by a holder receiving portion 61 in the form of a recessed groove provided at the bottom of the holder set portion 59, and a regulation gap 18 is formed between the shrink fit holder 5 and the upper edge of the holder set portion 51, and the shrink fit holder 5. Is finely moved within the regulation range A.
The bottom portion of the holder receiving portion 61 is a flat support surface having the same diameter as the bottom portion on which the bottom portion of the shrink-fit holder 5 is placed, and the edge of the flat support surface is a tapered edge. The bottom does not slide.
The cutting tool 3 is inserted into the gripping hole 2 when the cutting tool side chamfered portion or its edge hits the gripping side chamfered portion. The holder 3 is moved to form a state in which the cutting tool 3 can be inserted into the inclined gripping hole 2, and the cutting tool 3 is smoothly inserted into the gripping hole 2.

  The present invention is used in industries for manufacturing shrink fitting devices.

BRIEF DESCRIPTION OF THE DRAWINGS The whole block diagram of the apparatus of the best 1st Embodiment for implementing this invention. The top view of the holder support body of the apparatus of the best 1st Embodiment for implementing this invention. Sectional drawing of the holder support body of the apparatus of the best 1st Embodiment for implementing this invention. FIG. 2 is an operation explanatory diagram of the best first embodiment for carrying out the present invention. The fragmentary sectional view of the best 2nd embodiment for implementing this invention. The fragmentary sectional view of the best 3rd embodiment for carrying out the present invention. The fragmentary sectional view of the best 4th embodiment for carrying out the present invention. The fragmentary sectional view of the 5th best mode for carrying out the present invention. The fragmentary sectional view of the best 6th embodiment for carrying out the present invention. The fragmentary sectional view of the best 7th embodiment for carrying out the present invention. The fragmentary sectional view of the best 8th embodiment for implementing this invention.

Explanation of symbols

1: shrink fitting device, 2: gripping hole,
3: Cutting tool, 4: Gripping part,
5: shrink-fit holder, 6: induction heating unit,
7: induction heating device, 8: holder support,
9: Regulatory base, 10: Cutting tool support,
11: gripping side chamfering part, 12: cutting tool side chamfering part,
13: rail, 14: restriction recess,
15: Support body, 16: Restricted part,
17: Regulation ceiling board, 18: Regulation gap,
20: Mechanical gripping part, 21: Base,
25: Cutting tool support, 26: Restricted part,
27: Support body, 28: Regulation base,
29: Part to be regulated, 30: Part to be regulated,
31: Regulatory base, 32: Restricted hole,
33: Restriction pin, 35: Holder support,
36: Restricted part, 37: Restricted recess,
38: Balancer support guide shaft,
39: Balancer, 40: Support body book,
41: Center of gravity adjustment means, 42: Sliding smooth plate,
45: shrink fitting device, 46: holder set part,
47: holder support, 50: shrink fitting device,
51: Holder set part 52: Holder support
53: flange, 54: shrink fitting device,
55: Holder set part, 56: Holder support,
58: shrink fitting device, 59: holder set part,
60: Holder support, 61: Holder receiving part.

Claims (6)

An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder support that sets the shrink-fit holder in a predetermined direction and position so as to be heated by the induction heating unit, and finely moves the holder support within the restricted range by inserting the cutting tool into the gripping hole. A regulation base that can be supported, and a cutting tool support that supports the cutting tool and moves the cutting tool toward the shrink-fit holder and inserts the cutting tool into the gripping hole,
The gripping in which the regulation range is within a gripping side chamfering portion of the gripping hole and a cutting tool chamfering portion of the cutting tool, and is heated by the induction heating unit and thermally expanded to be able to insert the cutting tool. In the state where the cutting tool is inserted into the hole, when the cutting tool side chamfered part or the edge thereof hits the grip side chamfered part, a sliding guide operation of the hit part occurs to push the hit The holder support is pushed by a cutting tool, the shrink-fit holder is moved, the cutting tool can be inserted into the gripping hole, and the cutting tool is inserted into the gripping hole. A shrink-fit device.   An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder support for setting the shrink-fit holder in a predetermined direction and position so as to be heated by the induction heating unit; and supporting the cutting tool and moving the cutting tool toward the shrink-fit holder A cutting tool support that is inserted into the gripping hole, a regulation base that supports the cutting tool support so that the cutting tool can be finely moved within the regulation range by inserting the cutting tool into the gripping hole, and the regulation range includes the gripping tool. The cutting tool is placed in the gripping hole which is within the range of the gripping side chamfering portion of the hole and the cutting tool side chamfering portion of the cutting tool and is thermally expanded by the induction heating unit to be able to insert the cutting tool. Insertion When the cutting tool side chamfered part or its edge hits the grip side chamfered part in a state where the cutting tool is operated, the cutting tool is supported by the cutting tool which is caused to slide and push against the gripping side chamfered part. A shrink-fitting device, wherein a body is moved and the cutting tool is moved so that the cutting tool can be inserted into the gripping hole and the cutting tool is inserted into the gripping hole.   The holder support and the cutting tool support are supported in a horizontal state or a vertical state, and the support surface of the holder support or the cutting tool support that is allowed to be finely moved within a restricted range is formed flat, thereby In a state where the cutting tool is not inserted into the gripping part, the shrink-fit holder supported by the holder support or the cutting tool support is always in a horizontal state or a vertical state at a predetermined position. The shrink-fitting device according to any one of claims 1 and 2.   4. The structure according to claim 1, wherein at least a portion of the holder support or the cutting tool support that is regulated within the regulation range by the regulation base is configured to have a narrow width that can be finely moved even with a small force. Shrink fitting device. The shrink-fitted holder is in a form in which the holder support is set horizontally, and is provided with a center of gravity adjusting means for adjusting the center of gravity of the holder support or the cutting tool support. 3. The shrink-fitting device according to any one of 3 and 4. An induction heating unit that heats the gripping part of the shrink fitting holder having a gripping part that grips the cutting tool fitted in the gripping hole by heat shrinkage, and an induction heating device that causes a high-frequency current to flow through the induction heating part; A holder set portion for vertically setting the shrink-fit holder so as to be heated by the induction heating portion; and forming a regulation gap between the set shrink-fit holder and the holder set portion, and the cutting tool A holder support that is supported so as to be finely movable within a regulation range by an insertion operation of the gripping hole, and the regulation range is within a range of a gripping side chamfering portion of the gripping hole and a cutting tool side chamfering portion of the cutting tool. In addition, in the state in which the cutting tool is inserted into the gripping hole that is heated by the induction heating unit and is thermally expanded to be capable of inserting the cutting tool, When a part or its edge hits the grip side face chamfered part, a sliding guide operation of the contact part occurs, and the shrink-fit holder is moved by the cutting tool that pushes and hits, and the cutting tool is inserted into the gripping hole. A shrink-fitting device, wherein the cutting tool is inserted into the gripping hole in a possible state.

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