TWI532563B - Can clip knife tool fixture - Google Patents

Description

Tool holder for short knife

The invention relates to a tool holder, in particular to a tool holder capable of clamping a short knife.

When the user wants to use the tool grinder, such as the 公告局 announcement No. M456880, to grind and repair the cutter, the drill bit, etc., the tool must first be clamped and fixed by a tool holder, as shown in Figure 1, the existing The tool holder mainly has a front collet nut 1 , and the front collet nut 1 is internally provided with a tapered hole 2 , and an inner thread 3 is disposed on the inner wall of the tapered hole 2 , and A plurality of positioning faces 4 are formed on the outer peripheral side of the front collet nut 1 , and a collet 5 is formed in the tapered hole 2 , and the collet 5 is formed by connecting a plurality of elastic pieces, and The center of the collet 5 is provided with a clamping hole 6 corresponding to the tapered hole 2, and further comprises a rear collet nut 7, and an outer thread 8 is provided on the outer peripheral side thereof for being engaged with the internal thread 3 The screw is disposed such that the front collet nut 1 and the rear collet nut 7 are screwed and fixed, and at the center of the rear collet nut 7, a tapered hole 2 is provided with a through hole 9 The user only needs to insert a cutter 2.00 into the clamping hole 6, and then place the collet 5 in the tapered hole 2, and let the front collet nut 1 and the rear The chuck nut 7 is screwed and fixed, and the rear collet nut 7 is pushed against the collet 5 to move toward the front collet nut 1 to generate a wedge shape by the tapered hole 2, and is pressed. The collet 5 is inwardly contracted to reach the clip Fix the purpose of the tool 200.

After the clamping and fixing operation of the tool 200 is completed, the positioning of the tool 200 can be further performed through a positioning device 300. Referring to FIG. 2, the existing positioning device 300 has a base 301, and the base A fixing hole 302 is disposed on the 301, and a fixing block 303 is disposed adjacent to the fixing hole 302. Further, an adjusting block 304 is slidably disposed on the base 301, and the adjusting block 304 is disposed corresponding to the fixing hole 302. The adjusting block 305 is further provided with an adjusting bolt 306 for adjusting the lateral movement of the adjusting block 304 on the base 301, thereby placing the tool holder in the fixing hole 302. And the positioning surface 4 is blocked by the fixing block 303, so that the front collet nut 1 does not have the degree of freedom of rotation, and then the front collet nut 1 and the rear collet nut 7 are slightly loosened. Then, the cutter tail of the cutter 200 is rotated, so that any cutting edge of the cutter 200 is aligned with the positioning surface 4 of the front collet nut 1, and then the front collet nut 1 and the rear collet nut 7 are locked. The positioning of the tool 200 can be completed by being fixed.

Although the tool holder can effectively clamp the cutter 200 to further complete the positioning through the positioning device 300, when the cutter 200 is a short knife, that is, the length of the cutter 200 is smaller than the cutter clamp, and the cutter 200 is used. When the tail is hidden in the tool holder, the user will not be able to smoothly touch the tool 200 to complete the positioning because the tool 200 cannot be touched. In view of this, in the industry, the cutter end of the tool 200 is fixed first. There is an extension rod, and the extension rod is placed on the cutter fixture, but this method is not only troublesome, and the extension rod is a separate member, which is not convenient for storage and storage, and often occurs when the emergency is not found. Especially the extension The clamping and fixing effect of the rod is not the same as the collet 5, and the tool 200 is easily displaced and displaced. Therefore, after observing the above disadvantages, the inventor of the present invention believes that the existing tool holder still needs further improvement. And there is no such thing as the invention.

SUMMARY OF THE INVENTION The object of the present invention is to provide a tool holder capable of clamping a short knife, which can perform the clamping and positioning operation of the short knife without using an extension rod.

In order to achieve the above object, the tool holder for clamping a short knife according to the present invention comprises a front collet nut and a rear collet nut which are mutually screwable, and is clamped to the front collet nut. And a collet between the rear collet nut, wherein the outer collet nut of the front collet nut is provided with a positioning portion, and the positioning portion is provided with a positioning ring, and the outer circumference of the positioning ring is Having at least one locating hole, and at least one locating surface is flattened, and further comprising at least one locating member disposed in the locating hole, and the locating member forms an yoke toward one end of the positioning portion The top end is adjacent to the positioning portion, and the other end forms an operation end.

The tool holder for clamping a short knife provided by the invention can relax the positioning member when the tool to be clamped is a short knife, so that the front collet nut can rotate relative to the positioning ring, and the tool is positioned After the completion, the positioning member is locked to fix the relative position of the positioning ring and the front collet nut, so that the present invention can complete the clamping and positioning operation of the short knife without using the extension rod.

1‧‧‧ front collet nut

2‧‧‧Conical hole

3‧‧‧ internal thread

4‧‧‧ positioning surface

5‧‧‧ Collet

6‧‧‧Clamping hole

7‧‧‧Back chuck nut

8‧‧‧ external thread

9‧‧‧Perforation

100‧‧‧Cut tool holder for short knife

10‧‧‧ front collet nut

11‧‧‧ front end

12‧‧‧ Backend

13‧‧‧Conical hole

14‧‧‧First thread

15‧‧‧ Positioning Department

16‧‧‧Limited blocks

17‧‧‧Limited slot

20‧‧‧ positioning ring

21‧‧‧Positioning holes

22‧‧‧ internal thread

23‧‧‧ positioning surface

24‧‧‧ block

30‧‧‧ Positioning parts

31‧‧‧Right to the top

32‧‧‧Operator

33‧‧‧ external thread

34‧‧‧Polygon slot

40‧‧‧ Collet

41‧‧‧Elastic sheet

42‧‧‧Clamping hole

50‧‧‧ rear collet nut

51‧‧‧Combination Department

52‧‧‧second thread

53‧‧‧Perforation

200‧‧‧Tools

300‧‧‧ Positioning device

301‧‧‧Base

302‧‧‧Fixed holes

303‧‧‧Fixed block

304‧‧‧Adjustment block

305‧‧‧Adjustment Department

306‧‧‧Adjusting bolts

Figure 1 is an exploded view of a conventional tool holder.

Figure 2 is a schematic illustration of the use of a conventional positioning device.

Figure 3 is an exploded view of a preferred embodiment of the present invention.

Figure 4 is a cross-sectional view of a preferred embodiment of the present invention.

Figure 5 is a schematic illustration of the use of a preferred embodiment of the invention.

Figure 6 is a schematic view showing the operation of the preferred embodiment of the present invention.

Referring to FIG. 3 and FIG. 4, an exploded view and a cross-sectional view of a preferred embodiment of the present invention are disclosed. A tool holder 100 for clamping a short knife is disclosed. The tool holder 100 for clamping a short knife includes: A front collet nut 10 has a front end 11 and a rear end 12 oppositely disposed, and the rear end 12 is disposed with a tapered hole 13 at the front end 11 , and the inner wall of the tapered hole 13 The collar is provided with a first thread 14 , and a positioning portion 15 is further disposed on the outer peripheral side of the front chuck nut 10 . The positioning portion 15 is provided with a limiting block 16 , and the outer peripheral side of the limiting block 16 is further A limit groove 17 is further formed in the ring.

A positioning ring 20 is sleeved on the positioning portion 15 of the front collet nut 10, and the outer peripheral side of the positioning ring 20 is provided with at least one positioning hole 21. In this embodiment, the positioning ring is attached to the positioning ring. The positioning holes 21 are respectively disposed on the opposite sides of the positioning holes 21, and the positioning holes 21 are respectively provided with an internal thread 22, and the outer circumferential side of the positioning ring 20 is flattened with at least one positioning surface 23, and the positioning ring is further The inner side of the 20 is further provided with a stop block 24 corresponding to the limit block 16 ring.

At least one positioning member 30 is disposed in the positioning hole 21, and the positioning member 30 forms an abutting end 31 toward one end of the positioning portion 15 and abuts against the The positioning portion 15 is formed with an operating end 32. In the embodiment, the tool holder 100 for clamping the short knife includes two positioning members 30, and the outer peripheral sides of the positioning members 30 are respectively provided with an external thread. The locating member 30 is affixed to the internal thread 22 through the external thread 33 and is respectively fixed to the positioning holes 21, and the abutting end 31 of the positioning member 30 is abutted against the locating hole 31. The limiting slot 17 and the operating end 32 of the positioning member 30 are further recessed with a polygonal slot 34.

A collet 40 is formed by connecting a plurality of elastic sheets 41 and is disposed in the tapered hole 13 , and a clamping hole 42 is formed in the collet 40 along the axial direction of the tapered hole 13 . .

a rear collet nut 50 has a joint portion 51 protruding from one side thereof, and a peripheral thread side of the joint portion 51 is provided with a second thread 52 corresponding to the first thread 14 for transmitting through the first thread 14 The second thread 52 is screwed to fix the rear collet nut 50 to the front collet nut 10, and the rear collet nut 50 is further provided with a through hole 53 along the axial direction of the tapered hole 13. .

In order to further understand the structural features of the present invention, the application of the technical means, and the intended effect, the manner of use of the present invention will be described. It is believed that the invention can be more deeply and specifically understood as follows: Referring to FIG. 5 and FIG. 6 , a schematic diagram and an operation diagram of a preferred embodiment of the present invention are provided. When a cutter 200 is clamped, the cutter 200 is inserted into the clamping hole 42 of the collet 40 . The collet 40 is placed in the tapered hole 13 and then screwed through the first thread 14 and the second thread 52 to fix the rear collet nut 50 to the front collet nut 10 And does tighten the front The collet nut 10 and the rear collet nut 50 can be pushed by the rear collet nut 50 against the collet 40 toward the front collet nut 10 to be produced by the tapered hole 13 The wedge action compresses the collet 40 inwardly to achieve the purpose of clamping the cutter 200.

The positioning of the tool 200 can be performed by using a positioning device 300. The structure of the positioning device 300 is disclosed in the prior art of the present specification, and therefore will not be described again. For convenience of description, the positioning device 300 has the same label. In the prior art. The user only needs to place the tool holder 100 capable of holding the short knife in the fixing hole 302 of the positioning device 300, and the positioning surface 23 is blocked by the fixing block 303, so that the front chuck nut 10 cannot be rotated. If the cutter 200 is a long knife, the user only slightly loosens the front collet nut 10 and the rear collet nut 50, and then rotates the cutter end of the cutter 200 to make the cutter 200 The positioning of the cutter 200 is accomplished by aligning a cutting edge with the positioning surface 23 and locking the front collet nut 10 with the rear collet nut 50.

If the tool 200 is a short knife as shown in the figure, and the tool end of the tool 200 is hidden in the tool holder 100, so that the user cannot rotate the tool 200 for positioning, the user only needs to first The positioning member 30 is loosened so that the abutting end 31 of the positioning member 30 is away from the limiting slot 17, so that the front collet nut 10 can be rotated relative to the positioning ring 20, after the user has actually tightened the front The chuck nut 10 and the rear collet nut 50 are configured to clamp the cutter 200 to the cutter jig 100, so that the user can rotate the cutter 200 and the front by rotating the rear collet nut 50. The collet nut 10 rotates together to adjust any one of the cutting edges of the cutter 200 to the positioning surface 23, and finally the user only needs to lock the positioning member 30 again to make the positioning member 30 The abutting end 31 is re-attached in the limiting slot 17 to fix the relative position of the positioning ring 20 and the front collet nut 10, so that the clamping position of the short knife can be completed without using the extension rod. .

It is worth mentioning that the positioning of the positioning member 30 can be facilitated by the user through the polygonal groove 34 of the positioning member 30, and the positioning ring can be fixed by the matching of the limiting block 16 and the blocking block 24. In the position of the front collet nut 10, the position of the positioning member 30 can be further restricted by the limiting slot 17 to effectively prevent the positioning ring 20 from slipping.

Further, the features of the present invention and the achievable expected effects thereof are as follows: In the tool holder of the present invention, when the tool to be clamped is a short knife, the positioning member can be loosened first to make the front The collet nut is rotatable relative to the positioning ring, and after the tool is positioned, the positioning member is locked to fix the relative position of the positioning ring and the front collet nut, so that the invention can be extended without using Under the condition of the rod, the clamping and positioning operation of the short knife is completed.

In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, the technical materials of such structures are frequently investigated at home and abroad, and the same structure is not found in the literature. The invention already has the invention patent requirements, and the application is filed according to law.

However, the above-mentioned ones are merely preferred embodiments of the present invention, and the equivalent structural changes of the present invention and the scope of the claims are intended to be included in the scope of the present invention.

100‧‧‧Cut tool holder for short knife

10‧‧‧ front collet nut

11‧‧‧ front end

12‧‧‧ Backend

13‧‧‧Conical hole

14‧‧‧First thread

15‧‧‧ Positioning Department

16‧‧‧Limited blocks

17‧‧‧Limited slot

20‧‧‧ positioning ring

21‧‧‧Positioning holes

22‧‧‧ thread

23‧‧‧ positioning surface

24‧‧‧ block

30‧‧‧ Positioning parts

31‧‧‧Right to the top

32‧‧‧Operator

33‧‧‧ external thread

34‧‧‧Polygon slot

40‧‧‧ Collet

41‧‧‧Elastic sheet

42‧‧‧Clamping hole

50‧‧‧ rear collet nut

51‧‧‧Combination Department

52‧‧‧second thread

53‧‧‧Perforation

Claims (6)

The utility model relates to a tool holder capable of clamping a short knife, which comprises a front collet nut and a rear collet nut which are mutually screwable, and is sandwiched between the front collet nut and the rear collet nut The main feature of the collet is that the outer side of the front collet nut is provided with a positioning portion; a positioning ring is sleeved on the positioning portion of the front collet nut, and the positioning ring is The outer peripheral side is provided with at least one positioning hole, and the at least one positioning surface is flattened; at least one positioning member is disposed in the positioning hole, and the positioning member forms an abutting end toward one end of the positioning portion. And at the top of the positioning portion, the other end forms an operating end. The tool holder according to the first aspect of the invention, wherein the positioning hole is provided with an internal thread, and the outer peripheral side of the positioning member is provided with an external thread, so that the positioning member can pass the The external thread is screwed to the internal thread and fixed to the positioning hole. The tool holder for a clip-on knife according to the first aspect of the invention, wherein the positioning portion is provided with a limiting block, and the inner side of the positioning ring is provided with a blocking block corresponding to the limiting block ring. The tool holder of the clip-on knives according to the third aspect of the patent application, wherein the outer peripheral side of the limiting block is further provided with a limiting groove, and the abutting end of the positioning member abuts against the limiting slot. . The tool holder for a clip-on knife according to the first aspect of the invention, wherein the operating end of the positioning member is concavely provided with a polygonal groove. The tool holder according to the first aspect of the invention is characterized in that: the positioning tool is provided on the opposite side of the positioning ring, and the tool holder of the short knife comprises two positioning parts, respectively Wear through the positioning holes.