CN210648552U - Boring cutter for large hole machining of boring and milling machine - Google Patents
Boring cutter for large hole machining of boring and milling machine Download PDFInfo
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- CN210648552U CN210648552U CN201921444193.4U CN201921444193U CN210648552U CN 210648552 U CN210648552 U CN 210648552U CN 201921444193 U CN201921444193 U CN 201921444193U CN 210648552 U CN210648552 U CN 210648552U
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- milling machine
- large hole
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Abstract
The utility model relates to a boring cutter for boring and milling machine macropore processing belongs to machining tool technical field. The boring cutter comprises a cutter body, a spigot is arranged at the upper side of the center of the cutter body, a key groove is formed in the spigot, a circle of mounting bolt holes are formed in the spigot, cutter seats are arranged at the two ends of the cutter body respectively, square grooves are formed in the end faces and the two side faces of each cutter seat respectively, a plurality of connecting bolt holes are formed in the groove walls of the grooves, and cutters are mounted on the connecting bolt holes. The utility model discloses a boring cutter of design can be used for the bore hole, can be used to the processing of downthehole chamfer, annular isotructure again, and the function is comprehensive.
Description
Technical Field
The utility model relates to a machining tool technical field, concretely relates to boring cutter for boring and milling machine macropore processing.
Background
At present, the size range of boring processing of boring cutters of various brands for boring of a boring and milling machine is limited, only the cutter and the blade of a special manufacturer can be used, and a series of boring cutters with different specifications are required to be purchased to realize large hole processing in a certain range; the brand boring cutter is installed by using a spindle taper hole of a boring and milling machine, but when a large hole is machined, the diameter of the boring cutter is large, the cutting torque is long, so that the stress of the taper hole is large, and the bad influence is caused on the taper hole; and the purchased boring cutter has single function, only can bore holes, cannot process structures such as chamfers, ring grooves and the like in the holes, and only can replace other boring cutters.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model designs a boring cutter with more comprehensive functions for the large hole processing of a boring and milling machine, wherein the boring cutter comprises a cutter body, a spigot is arranged at the upper side of the center of the cutter body, and the spigot is matched with the diameter of a main shaft of the boring and milling machine and is used for positioning the cutter body; two key grooves are symmetrically formed in the edge of the spigot, and the key grooves are matched with a main shaft key of a boring and milling machine to transmit torque; a circle of mounting bolt holes are formed in the positions of the rabbets, and the cutter body is fixed on a main shaft of the boring and milling machine by penetrating bolts through the mounting holes; the cutter is characterized in that cutter holders are respectively arranged at two ends of the cutter body, communicated square grooves are respectively arranged on the end face and the upper side face and the lower side face of each cutter holder to form a C-shaped clamping groove, a plurality of pressing bolt holes are formed in the groove wall of each C-shaped clamping groove and extend to the groove wall of each C-shaped clamping groove to be arranged transversely and vertically, and cutters are fixedly mounted on the pressing bolt holes through bolts. The cutter body is connected with the spindle of the boring and milling machine through a plurality of bolts, and is matched with the spindle key of the boring and milling machine through the key slot to transmit torque, so that the connection is stable and durable. The tool apron at the two ends of the cutter body can be used for installing different cutters aiming at different functions, and the cutters can also be transversely installed and reversely installed on the tool apron without replacing the whole boring cutter, so that different use requirements are met.
Further, a cutter holder lengthening piece is connected between the cutter holder and the cutter, the cutter holder lengthening piece comprises a C-shaped fixed cutter bar and a cutter mounting seat, the size of the C-shaped fixed cutter bar is matched with the size of a C-shaped clamping groove in the cutter holder, the C-shaped fixed cutter bar can be completely and tightly inserted into the C-shaped clamping groove of the cutter holder and fixed through a pressing bolt hole through which a bolt penetrates through the cutter holder, the cutter mounting seat is identical to the cutter holder in structure, and the cutter is mounted on the cutter mounting seat through the bolt.
Furthermore, two ends of the cutter body are respectively connected with 2 cutter holder lengthening pieces. The accessible a plurality of blade holders extension piece superposes, realizes the continuous expansion of aperture range of working, nevertheless considers the whole rigidity of cutter body, and general stack is no longer than 2.
Further, cutters are mounted on the cutter seats at two ends of the cutter body, and the cutters on two sides are installed in a staggered mode. Can obviously improve the efficiency of hole forming
Furthermore, the square cutter bar lathe tool is provided with a fine adjustment cutter head. The control of the size of the opening is more accurate.
Further, the cutter is a deflection angle lathe tool with an inclination angle of 45 degrees. The chamfering process of 45 degrees can be performed.
Further, the cutter is a circular blade turning tool. Rounding can be performed.
Compared with the prior art, the boring cutter for machining the large hole of the boring and milling machine, which is designed by the patent of the utility model, has the advantages that the cutter seats are arranged on the two sides of the cutter body, the cutter seats are provided with C-shaped clamping grooves, the clamping grooves are provided with compression bolts in the horizontal and vertical directions for installing the cutter, the cutter is convenient to replace, the installation mode is diversified, and different use requirements can be met; meanwhile, the tool apron lengthening piece is designed to increase the hole opening size of the boring tool, the lengthening piece is conveniently connected with the tool apron and can be overlapped, the tool mounting seat which is the same as the tool apron in structure is arranged for mounting the tool, and the boring tool is more flexible and convenient to use.
Drawings
FIG. 1 is a side view of the boring tool of the present invention
FIG. 2 is a bottom view of the cutter body of the boring tool of the present invention
FIG. 3 is a schematic view of the structure of the tool holder extension member of the present invention
FIG. 4 is a schematic structural diagram of the angle-off lathe tool with a boring tool installed at a 45-degree inclination angle
Description of the reference numerals
In the figure, 1 cutter body, 2 cutter seats, 3 cutter seat lengthening pieces, 4 cutters, 5 spindles, 51 spindle keys, 11 spigots, 12 key grooves, 13 mounting bolt holes, 21-C type clamping grooves, 22 pressing bolt holes, 31-C type fixing cutter rods, 32 cutter mounting seats, 321 lengthening piece clamping grooves, 322 lengthening piece bolt holes, 41 deflection angle turning tools
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-2, the utility model discloses a boring cutter for boring and milling machine macropore processing, including cutter body 1, blade holder extension 3 and cutter 4, the both ends of cutter body 1 are equipped with blade holder 2 respectively, and wherein blade holder extension 3 is connected to left blade holder 2, and cutter 4 installs on blade holder extension 3.
The upper side of the center of the cutter body 1 is provided with a spigot 11, and the size of the spigot 11 is matched with the diameter of a spindle 5 of a boring and milling machine and used for positioning the cutter body 1 on the spindle 5; key grooves 12 are symmetrically formed on the spigot 11 and matched with a spindle key 51 of a boring and milling machine to transmit torque; the spigot 11 is provided with a circle of mounting bolt holes 13, and the cutter body 1 is fixed on the spindle 5 of the boring and milling machine by bolts penetrating through the mounting bolt holes 13.
The end face and the upper and lower side faces of the tool apron 2 are provided with communicated direction grooves to form a C-shaped clamping groove 21, the groove wall on one side of the C-shaped clamping groove 21 is provided with a plurality of pressing bolt holes 22, and the pressing bolt holes 22 are arranged along the transverse direction and the vertical direction of the groove wall of the C-shaped clamping groove 21.
Referring to fig. 3, the tool holder extension member 3 is divided into two parts, namely a C-shaped fixing tool bar 31 and a tool mounting seat 32, the outer dimension of the C-shaped fixing tool bar 31 is matched with the dimension of the C-shaped slot 21 of the tool holder 2, and the C-shaped fixing tool bar 31 can be completely and tightly inserted into the C-shaped slot 21 and fixed by a bolt passing through the hold-down bolt hole 22. The tool mounting seat 32 has a structure identical to that of the tool holder 2, and is also provided with a C-shaped elongated member locking groove 321 and an elongated member bolt hole 322. The tool 4 is disposed in the elongated member slot 321 of the tool mounting base 32 and is fixed using bolts through the elongated member bolt holes 322. Cutter 4 that uses in this embodiment is the square cutter pole lathe tool, and the lathe tool can also be vertically installed according to the demand of using transversely, and the lathe tool can use the fine setting tool bit to the head.
In addition, in order to improve the hole opening efficiency of the boring cutter, the cutter holder lengthening piece 3 and the cutter 4 can be respectively arranged at the two ends of the cutter body, and the cutters 4 at the two ends need to be installed in a staggered mode during installation.
Example 2
As shown in fig. 4, be the utility model discloses a boring cutter for boring and milling machine macropore processing is used for the boring and milling machine trompil to carry out an embodiment of 45 chamfers, and the cutter that this embodiment used is the declination lathe tool 41 at 45 degrees inclinations, does not connect the blade holder extension on the blade holder 2 at the cutter body 1 both ends of boring cutter, and the declination lathe tool 41 direct mount is fixed on blade holder 2. The boring cutter of the embodiment can be used for 45-degree chamfering work of the hole.
Example 3
Simultaneously the utility model discloses a still designed the boring cutter that is used for boring and milling machine macropore processing and be used for the boring and milling machine trompil to carry out the embodiment of radius angle, in this embodiment, the cutter of boring cutter of embodiment 2 is changed into the circle blade lathe tool to the constitution of boring cutter. The boring tool of the present embodiment can be used for the rounding work of the hole.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.
Claims (8)
1. The boring cutter for machining the large holes of the boring and milling machine is characterized by comprising a cutter body, wherein a spigot is formed in the upper side of the center of the cutter body, key grooves are symmetrically formed in the spigot, a circle of mounting bolt holes are formed in the position of the spigot, cutter holders are arranged at two ends of the cutter body respectively, communicated square grooves are formed in the end face and the upper side face and the lower side face of each cutter holder respectively to form a C-shaped clamping groove, a plurality of pressing bolt holes are formed in the groove wall of the C-shaped clamping groove and extend to the groove wall of the C-shaped clamping groove, and a cutter is fixedly mounted on the pressing bolt holes through bolts.
2. The boring cutter for large hole machining of the boring and milling machine as claimed in claim 1, wherein a cutter holder extension piece is connected between the cutter holder and the cutter, the cutter holder extension piece comprises a C-shaped fixed cutter bar and a cutter mounting seat, the size of the C-shaped fixed cutter bar is matched with the size of a C-shaped clamping groove on the cutter holder, the C-shaped fixed cutter bar can be completely inserted into the C-shaped clamping groove of the cutter holder and fixed by a bolt, the cutter mounting seat has the same structure as the cutter holder, and the cutter is mounted on the cutter mounting seat by a bolt.
3. The boring cutter for large hole machining of the boring and milling machine as claimed in claim 2, wherein 2 tool apron lengthening pieces are respectively connected to both ends of the cutter body.
4. The boring cutter for large hole processing of the boring and milling machine as claimed in claim 1, wherein the cutters are mounted on the cutter blocks at both ends of the cutter body, and the cutters at both sides are mounted in a staggered manner.
5. The boring cutter for large hole machining of the boring and milling machine as claimed in any one of claims 1, 2, 3 or 4, wherein the cutter is a square shank cutter.
6. The boring cutter for large hole machining of the boring and milling machine as claimed in claim 5, wherein the square bar turning tool is provided with a fine adjustment tool bit.
7. The boring cutter for large hole machining of the boring and milling machine as claimed in any one of claims 1, 2, 3 or 4, wherein the cutter is a 45 degree inclined angle turning tool.
8. The boring cutter for large hole machining of the boring and milling machine as claimed in any one of claims 1, 2, 3 or 4, wherein the cutter is a circular blade turning tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444193.4U CN210648552U (en) | 2019-09-02 | 2019-09-02 | Boring cutter for large hole machining of boring and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444193.4U CN210648552U (en) | 2019-09-02 | 2019-09-02 | Boring cutter for large hole machining of boring and milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN210648552U true CN210648552U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921444193.4U Active CN210648552U (en) | 2019-09-02 | 2019-09-02 | Boring cutter for large hole machining of boring and milling machine |
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| CN (1) | CN210648552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524014A (en) * | 2019-09-02 | 2019-12-03 | 青岛海西重工有限责任公司 | A kind of boring cutter and its application for the big hole machined of boring and milling machine |
-
2019
- 2019-09-02 CN CN201921444193.4U patent/CN210648552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524014A (en) * | 2019-09-02 | 2019-12-03 | 青岛海西重工有限责任公司 | A kind of boring cutter and its application for the big hole machined of boring and milling machine |
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