CN218518145U - Side fixing type hilt - Google Patents
Side fixing type hilt Download PDFInfo
- Publication number
- CN218518145U CN218518145U CN202222445730.5U CN202222445730U CN218518145U CN 218518145 U CN218518145 U CN 218518145U CN 202222445730 U CN202222445730 U CN 202222445730U CN 218518145 U CN218518145 U CN 218518145U
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- hole
- cutter
- fastening portion
- tool
- holding
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- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 claims 3
- 238000005520 cutting process Methods 0.000 abstract description 11
- 238000003754 machining Methods 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The application provides a side solid formula hilt, including the stalk portion with connect in the fastening portion of stalk portion one end, fastening portion keeps away from a holding hole that is used for holding the cutter is seted up to the one end of stalk portion, the spread groove has been seted up to the side of fastening portion, the side solid formula hilt is still including supporting holding the piece, support holding the piece install in the spread groove and can support holding the bottom court of spread groove the holding hole removes, so that the holding hole shrink and press from both sides tight cutter. The side-fixing type hilt is characterized in that the supporting piece is arranged in the connecting groove after the cutter is clamped in the accommodating hole, so that the end of the supporting piece is slightly deformed towards the accommodating hole when the end of the supporting piece supports the bottom of the connecting groove, the accommodating hole is contracted and wraps the clamping cutter, the circumference of the cutter is uniformly stressed, the machining precision of the cutter to a workpiece can be improved, a cutting groove does not need to be formed in the cutter, and the universality is good.
Description
Technical Field
The application relates to the technical field of hilt, in particular to a side fixing type hilt.
Background
In machining, a tool holder is a bridge for connecting a machine tool and a tool, is a key factor related to workpiece manufacturing precision, tool service life and machining and cutting efficiency, and finally influences manufacturing quality and manufacturing cost. Due to the different processing requirements, the knife handles with various fastening styles corresponding to the processing requirements are different. The connection mode of the tool holder and the tool is roughly divided into three types, namely a clamping type tool holder, a pressing type tool holder and a conical surface self-positioning type tool holder, wherein the clamping type tool holder is a spring collet chuck tool holder and a thermal shrinkage tool holder, the pressing type tool holder is a side fixing type tool holder, and the conical surface self-positioning type tool holder is a Morse taper shank.
The existing thermal shrinkage cutter handle in the industry has high precision, needs special heating equipment to disassemble and assemble the cutter, has high requirements on operators, is expensive and has short service life; the spring collet chuck tool holder has the advantages of large clamping range, good universality and large tool mounting precision difference, and is suitable for general processing. For the side-fixed type hilt, a side fastening screw is usually used to directly penetrate through the hilt and lock the handle part of the tool in the cutting groove, the side-fixed type hilt has large clamping force, simple structure and convenient clamping operation. However, the side-mounted tool holder is only suitable for shank grooving for holding a tool, and is rough-machined, and has poor clamping coaxiality, and poor versatility for shank grooving or a flat cutting tool.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a side-mounted tool holder that improves the machining accuracy of a workpiece and does not limit the shape of the tool.
The application provides a side solid formula hilt, including the stalk portion with connect in the fastening portion of stalk portion one end, fastening portion keeps away from a holding hole that is used for holding the cutter is seted up to the one end of stalk portion, the spread groove has been seted up to the side of fastening portion, the side solid formula hilt is still including supporting holding the piece, support holding the piece install in the spread groove and can support holding the bottom court of spread groove the holding hole removes, so that the holding hole shrink and press from both sides tight cutter.
The side-fixing type hilt is characterized in that the supporting piece is arranged in the connecting groove after the cutter is clamped in the accommodating hole, so that the end of the supporting piece is slightly deformed towards the accommodating hole when the end of the supporting piece supports the bottom of the connecting groove, the accommodating hole is contracted and wraps the clamping cutter, the circumference of the cutter is uniformly stressed, the machining precision of the cutter to a workpiece can be improved, a cutting groove does not need to be formed in the cutter, and the universality is good.
In some embodiments, the bottom of the connecting groove is a predetermined distance away from the hole wall of the accommodating hole, and the predetermined distance is in a micrometer range.
In some embodiments, the connecting groove includes a hole and a groove communicating with each other, and the groove has a diameter larger than a bore diameter of the hole and is adjacent to the receiving hole.
In some embodiments, the hole is a threaded hole with fine teeth, and the holding piece is a fastening screw with fine teeth.
In some embodiments, the tool holder further comprises a limiting member detachably disposed in the accommodating hole to abut against the tool inserted into the accommodating hole and limit the insertion length of the tool.
In some embodiments, the shank portion is opened with a mounting hole away from the fastening portion, the mounting hole is communicated with the receiving hole, and the stopper is fitted into the receiving hole from the mounting hole.
In some embodiments, the mounting member is mounted to an end of the mounting hole remote from the receiving hole for connection to a machine tool.
In some embodiments, the fastening portion is provided with an inwardly recessed anti-slip portion on the peripheral side.
In some embodiments, the number of the connecting grooves is at least two, and the connecting grooves are arranged at intervals along the axial direction of the fastening part.
In some embodiments, the receiving hole is shaped to fit the shape of a tool.
Drawings
Fig. 1 is a schematic perspective view of a side-fixed type hilt according to an embodiment of the present application.
Fig. 2 is a schematic sectional structure view of the side-fixed type hilt in fig. 1 along the direction II-II.
Fig. 3 is a schematic sectional view of the side-mounted knife handle in fig. 1 along the direction III-III.
Description of the main elements
Side-fixed handle 100
Fastening part 20
Receiving hole 21
Connecting groove 22
Hole 221
Groove 222
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying that the number of indicated technical features is indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The embodiments of the present application will be further described with reference to the drawings attached to the specification.
Referring to fig. 1, the present embodiment provides a side-mounted tool holder 100 for mounting a spindle and a tool 200, and specifically, the side-mounted tool holder 100 includes a shank 10 and a fastening portion 20 connected to one end of the shank 10.
Referring to fig. 2, the fastening portion 20 has a cylindrical structure. One end of the fastening part 20, which is far away from the shank part 10, is provided with a receiving hole 21 for receiving the cutter 200, the receiving hole 21 extends along the axial direction of the fastening part 20, the receiving hole 21 is a cylindrical hole, the shape of the receiving hole 21 is matched with the shape of the cutter 200, and the cutter 200 can be just inserted into the receiving hole 21.
Two connecting slots 22 are opened on the side surface of the fastening part 20, and the two connecting slots 22 are arranged at intervals along the axial direction of the fastening part 20. Wherein, each connecting groove 22 comprises a hole 221 and a groove 222 communicated with each other, the hole 221 and the groove 222 are both cylindrical structures, and the hole diameter of the groove 222 is larger than that of the hole 221 and close to the accommodating hole 21.
Referring to fig. 3, the side-fixed handle 100 further includes a supporting member 30, the supporting member 30 is installed in the connecting groove 22 and can support the bottom of the connecting groove 22 to move toward the receiving hole 21, so that the receiving hole 21 is contracted and the cutting tool 200 is clamped, at this time, the circumference of the cutting tool 200 is forced by the hole wall of the receiving hole 21 toward the cutting tool 200, and the cutting tool 200 is uniformly stressed. The bottom of the connecting groove 22 is spaced from the hole wall of the receiving hole 21 by a predetermined distance, which is micron-sized, so that the bottom of the connecting groove 22 moves toward the receiving hole 21 under the supporting of the supporting member 30. Specifically, the hole is a threaded hole with fine teeth, and the holding member 30 is a fastening screw with fine teeth, so that the bottom of the connecting groove 22 is held well and is not easy to loosen.
The fastening portion 20 is provided with an inwardly recessed anti-slip portion 23 on the peripheral side. Specifically, the anti-slip portion 23 is a ring with the fastening portion 20 being recessed inward on the circumference, so as to facilitate the installation of the tool 200 by holding the tool holder.
The side-fixed handle 100 further includes a stopper 40, and the stopper 40 is detachably disposed in the receiving hole 21 to abut against the tool 200 inserted into the receiving hole 21 and limit the insertion length of the tool 200. Specifically, the limiting member 40 is a limiting screw.
In order to facilitate the installation of the limiting element 40, the shank 10 is provided with an installation hole 11 away from the fastening portion 20, the shank 10 has a substantially conical structure, the installation hole 11 is a circular hole and is communicated with the receiving hole 21, the diameter of the installation hole 11 is larger than that of the receiving hole 21, and the limiting element 40 can be installed into the receiving hole 21 from the installation hole 11.
The side-mounted tool holder 100 further includes a mounting member 50, the mounting member 50 being mounted to an end of the mounting bore 11 remote from the receiving bore 21 for attachment to a machine tool. Specifically, the mount 50 is a blind rivet.
The working process of the side-fixed hilt 100 of the present application is:
one end of the cutter 200 extends into the accommodating hole 21 until abutting against the limiting part 40, then the abutting part 30 is arranged in the abutting groove, and the end part abuts against the bottom of the connecting groove 22, so that the bottom of the connecting groove 22 is stressed to protrude towards the accommodating hole 21 to be slightly deformed, the accommodating hole 21 is contracted, and the hole wall of the accommodating hole is wrapped and clamped with the cutter 200; the workpiece is then machined by mounting the fixture 50 to a machine tool.
After the tool 200 is clamped in the receiving hole 21, the abutting piece 30 is installed in the connecting groove 22, so that the end of the abutting piece 30 abuts against the bottom of the connecting groove 22 and slightly deforms towards the receiving hole 21, the receiving hole 21 contracts and wraps and clamps the tool 200, the circumference of the tool 200 is uniformly stressed, a workpiece can be lightly cut, the machining precision is high, no cutting groove needs to be formed in the tool 200, and the universality is good. In addition, after the cutter 200 is locked, the circumference of the accommodating hole 21 is stressed uniformly and deforms little, the coaxiality of the cutter 200 is extremely high, the coaxiality of the accommodating hole 21 and the cutter 200 can reach about 0.003mm, the coaxiality is good, the service life of the cutter 200 is prolonged, and the machining precision is high.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a side fixed cutter handle, includes stalk portion and connects in the fastening portion of stalk portion one end, its characterized in that, the one end that fastening portion kept away from the stalk portion is seted up one and is used for holding the accommodation hole of cutter, the spread groove has been seted up to the side of fastening portion, side fixed cutter handle still includes to support and holds the piece, support and hold the piece install in the spread groove and can support and hold the bottom of spread groove removes towards the accommodation hole to make the accommodation hole shrink and press from both sides tight cutter.
2. The side-mounted tool holder of claim 1, wherein the bottom of the connecting slot is spaced a predetermined distance from the wall of the receiving hole, the predetermined distance being in the order of microns.
3. The side-mounted tool holder of claim 1 wherein the attachment slot comprises a bore and a slot in communication, the slot having a diameter greater than the bore diameter of the bore and adjacent the receiving bore.
4. The side-mounted hilt according to claim 3, wherein the hole of the connecting groove is a threaded hole and the holding member is a threaded fastening screw.
5. The side-mounted hilt according to claim 1, further comprising a stopper detachably disposed in the receiving hole to abut against the tool inserted into the receiving hole and to limit the insertion length of the tool.
6. The laterally-fixed tool holder according to claim 5, wherein the shank portion is provided with a mounting hole away from the fastening portion, the mounting hole is communicated with the receiving hole, and the limiting member is installed into the receiving hole from the mounting hole.
7. The side mount tool holder of claim 6 further comprising a mounting member mounted to an end of the mounting bore distal from the receiving bore for attachment to a machine tool.
8. The side-mounted tool holder of claim 1, wherein the fastening portion has an inwardly recessed anti-slip portion on the peripheral side.
9. The side-mounted hilt of claim 1, wherein said at least two attachment slots are spaced apart along the axis of said fastening portion.
10. The side-mounted tool holder of claim 1 wherein the receiving hole is shaped to match the shape of the tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222445730.5U CN218518145U (en) | 2022-09-15 | 2022-09-15 | Side fixing type hilt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222445730.5U CN218518145U (en) | 2022-09-15 | 2022-09-15 | Side fixing type hilt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218518145U true CN218518145U (en) | 2023-02-24 |
Family
ID=85246105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222445730.5U Active CN218518145U (en) | 2022-09-15 | 2022-09-15 | Side fixing type hilt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218518145U (en) |
-
2022
- 2022-09-15 CN CN202222445730.5U patent/CN218518145U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |