CN210360468U - Cutter connecting device for boring and milling machine - Google Patents
Cutter connecting device for boring and milling machine Download PDFInfo
- Publication number
- CN210360468U CN210360468U CN201920956366.4U CN201920956366U CN210360468U CN 210360468 U CN210360468 U CN 210360468U CN 201920956366 U CN201920956366 U CN 201920956366U CN 210360468 U CN210360468 U CN 210360468U
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- Prior art keywords
- sleeve
- main shaft
- milling cutter
- spindle
- cutter
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- 238000003801 milling Methods 0.000 title claims abstract description 59
- 230000007704 transition Effects 0.000 claims abstract description 63
- 230000008878 coupling Effects 0.000 claims 6
- 238000010168 coupling process Methods 0.000 claims 6
- 238000005859 coupling reaction Methods 0.000 claims 6
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 238000003754 machining Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a cutter connecting device for a boring and milling machine, which comprises a main shaft transition sleeve and a milling cutter reducing sleeve, wherein the main shaft transition sleeve is in a table shape, the first end of the main shaft transition sleeve is slidably arranged in the main shaft, the second end of the main shaft transition sleeve is provided with a first mounting hole, the milling cutter reducing sleeve is in a table shape, the first end of the milling cutter reducing sleeve is slidably arranged in the first mounting hole, the second end of the milling cutter reducing sleeve is provided with a second mounting hole, the connecting end of a cutter is slidably arranged in the second mounting hole, the outer part of the second end of the main shaft transition sleeve is fixedly provided with a first connecting ring, the outer part of the second end of the milling cutter reducing sleeve is fixedly provided with a second connecting ring, the first connecting ring and the second connecting ring are fixedly connected, the torque transmitted from the main shaft to the cutter is increased, thereby increasing the tool consumption during processing, and simultaneously improving the processing efficiency and the precision, has good practicability.
Description
Technical Field
The utility model relates to a machining technical field specifically, relates to a cutter connecting device for boring and milling machine.
Background
In the field of machining, milling and pinning usually accounts for more than 60% of the total amount of the whole machining process, when a milling cutter is used for machining, a spindle is usually directly connected with a taper shank end mill to mill a workpiece, and the milling mode often has the problems of small tool consumption, low efficiency, low machining precision and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a can improve the cutter connecting device who is used for boring and milling machine of tool-cutting amount and machining precision.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in one general aspect, there is provided a tool connecting device for a boring and milling machine, comprising a spindle transition sleeve, a milling cutter reducing sleeve and a stop collar, wherein:
the first end of the main shaft transition sleeve is arranged in the main shaft, and the second end of the main shaft transition sleeve is provided with a first mounting hole;
a first end of the milling cutter reducing sleeve is arranged in the first mounting hole, a second end of the milling cutter reducing sleeve is provided with a second mounting hole, and a connecting end of a cutter is arranged in the second mounting hole;
the second end of the main shaft transition sleeve is fixedly provided with a first connecting ring, the second end of the milling cutter reducing sleeve is fixedly provided with a second connecting ring, and the first connecting ring and the second connecting ring are fixedly connected
The limiting sleeve is arranged in the first mounting hole, one end of the limiting sleeve is fixedly connected with the connecting end of the cutter, and the limiting sleeve is abutted to the end face of the first end of the milling cutter reducing sleeve.
Preferably, the diameter of the first end of the main shaft transition sleeve is smaller than the diameter of the second end of the main shaft transition sleeve.
Preferably, the diameter of the first end of the milling cutter sleeve is smaller than the diameter of the second end of the milling cutter sleeve.
Preferably, the connecting end of cutter is provided with the screw hole, and the stop collar passes the screw hole through the screw and is connected with the connecting end fixed connection of cutter.
Preferably, the limiting sleeve comprises a sleeve body and a slotted hole, the screw penetrates through the slotted hole, and the nut of the screw is completely arranged in the slotted hole.
Preferably, the outer surface of the main shaft transition sleeve is provided with a key groove, a flat key is arranged in the key groove, and the main shaft transition sleeve is connected with the main shaft through the flat key.
Preferably, the cutter connecting device further comprises a blind rivet, the blind rivet is fixedly arranged at the center of the first end of the main shaft transition sleeve, and the main shaft transition sleeve is fixedly connected with the main shaft through the blind rivet.
Preferably, the joint between the end face of the first end of the main shaft transition sleeve and the circumferential face of the main shaft transition sleeve is in circular arc transition, and the circle center of the circular arc faces to the direction far away from the main shaft transition sleeve.
Preferably, the first connection ring and the second connection ring are fixedly connected by bolts.
The utility model provides a cutter connecting device for boring and milling machine, because the first end slidable of main shaft transition cover sets up inside the main shaft, the first end slidable of milling cutter reducing cover sets up in the first mounting hole of main shaft transition cover, and main shaft transition cover and milling cutter reducing cover pass through first go-between and second go-between fixed connection, and the link slidable of cutter sets up in the second mounting hole of milling cutter reducing cover, be connected to on the main shaft through setting up cutter connecting device on the link of cutter, the moment of torsion of transmission to cutter from the main shaft has been increased, thereby increased the amount of cutting that eats man-hour, make machining efficiency and precision obtain the improvement simultaneously, and the practicality that possesses is fine.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic sectional view of the tool connecting device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of a cross-sectional structure of a tool connecting device of the present invention, as shown in fig. 1, an embodiment of the present invention provides a tool connecting device for a boring and milling machine, the tool connecting device includes a main shaft transition sleeve 1 and a milling cutter reducing sleeve 2, the main shaft transition sleeve 1 is in a table shape, a first end of the main shaft transition sleeve 1 is slidably disposed inside a main shaft 8, and a second end of the main shaft transition sleeve 1 is provided with a first mounting hole; the milling cutter reducing sleeve 2 is also in a table shape, a first end of the milling cutter reducing sleeve 2 is slidably arranged in the first mounting hole, and a second end of the milling cutter reducing sleeve 2 is provided with a second mounting hole; the connecting end 9 of the cutter is slidably arranged in the second mounting hole. It is worth noting that the spindle 8, the spindle transition sleeve 1, the milling cutter reducing sleeve 2 and the cutter of the boring and milling machine are coaxially arranged. Through the mode of sleeving layer by layer, the torque transmitted to the cutter from the main shaft 8 is indirectly increased, so that the tool consumption during machining is increased, and the machining efficiency and the machining precision are improved simultaneously.
Further, a first connecting ring 4 is fixedly arranged at the second end of the spindle transition sleeve 1, a second connecting ring 5 is fixedly arranged at the second end of the milling cutter reducing sleeve 2, and the first connecting ring 4 and the second connecting ring 5 are fixedly connected through bolts. When first connecting ring 4 and second connecting ring 5 butt each other, unable gliding in the first mounting hole of main shaft transition cover 1 during milling cutter reducing sleeve 2 to, through bolted connection, can be fine pass through main shaft transition cover 1 with the power on the main shaft 8 and transmit for milling cutter reducing sleeve 2, thereby transmit for the cutter, make things convenient for the cutter to process the work piece.
Further, the diameter of the first end of the spindle transition sleeve 1 is smaller than that of the second end of the spindle transition sleeve 1, and the diameter of the first end of the milling cutter reducing sleeve 2 is smaller than that of the second end of the milling cutter reducing sleeve 2. That is to say, the spindle transition sleeve 1 and the milling cutter reducing sleeve 2 are both conical, and the first ends of the spindle transition sleeve 1 and the milling cutter reducing sleeve 2 are smaller than the corresponding second ends, so that in the installation process, the first end of the milling cutter reducing sleeve 2 can be easily inserted into the second end of the spindle transition sleeve 1, the outer circumferential surface of the milling cutter reducing sleeve 2 can be closely attached to the inner surface of the first installation hole of the spindle transition sleeve 1, and the conical surface can limit the milling cutter reducing sleeve 2 from further sliding in the first installation hole, so that the conical surface and the connecting ring respectively limit the milling cutter reducing sleeve 2 from two directions, and the transmission stability of the milling cutter reducing sleeve 2 is ensured.
Further, this cutter connecting device still includes stop collar 3, and stop collar 3 sets up in first mounting hole, and the terminal surface looks butt of the one end of stop collar 3 and the first end of milling cutter reducing sleeve 2 is provided with the screw hole on the link 9 of cutter towards the terminal surface of stop collar 3, and stop collar 3 passes the screw hole through the screw and 9 fixed connection of link of cutter. Through screwing up the screw, can tightly press the stop collar 3 and establish on the terminal surface of the first end of milling cutter reducing sleeve 2, the link 9 of cutter also can closely laminate with the second mounting hole internal surface simultaneously, guarantees that the cutter can rotate along with the rotation of milling cutter reducing sleeve 2.
Further, stop collar 3 is including the cover body and heavy slotted hole, and is concrete, is provided with heavy slotted hole in the middle part of the cover body, and the nut that the screw had passed this heavy slotted hole and screw sets up in the heavy inslot of heavy slotted hole completely, has guaranteed the stability of fix with screw, and the screw can not be to the removal of the link 9 of cutter in the second mounting hole.
Further, a key groove 6 is formed in the outer surface of the main shaft transition sleeve 1, a flat key is arranged in the key groove 6, and the main shaft transition sleeve 1 is connected with the main shaft 8 through the flat key. The transmission power is transmitted to the main shaft transition sleeve 1 through a flat key.
Further, this cutter connecting device still includes blind rivet 7, and blind rivet 7 is fixed to be set up in the center of the first end of main shaft transition cover 1, and main shaft transition cover 1 passes through blind rivet 7 and main shaft 8 fixed connection to the junction of the terminal surface of the first end of main shaft transition cover 1 and the periphery of main shaft transition cover 1 passes through the circular arc transition, and the centre of a circle of circular arc is towards the direction of keeping away from main shaft transition cover 1. When the latin is inserted into the center of the main shaft 8, the main shaft transition sleeve 1 can not rotate in the main shaft 8, and the arc surface can abut against the corresponding surface in the main shaft 8, so that the main shaft transition sleeve 1 is better limited. At the same time, the spindle 8 can also transmit a large torque via this connection during rotation.
The embodiment of this specification provides a cutter connecting device for boring and milling machine, because the first end slidable of main shaft transition cover sets up inside the main shaft, the first end slidable of milling cutter reducing sleeve sets up in the first mounting hole of main shaft transition cover, and main shaft transition cover and milling cutter reducing sleeve pass through first go-between and second go-between fixed connection, and the link slidable of cutter sets up in the second mounting hole of milling cutter reducing sleeve, the moment of torsion of transmission to cutter from the main shaft has been increased, thereby increased the tool consumption when adding man-hour, make machining efficiency and precision obtain improving simultaneously, and the high practicality is possessed.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present application.
Claims (9)
1. The utility model provides a cutter connecting device for boring and milling machine, its characterized in that includes main shaft transition cover (1), milling cutter reducing sleeve (2) and stop collar (3), wherein:
the first end of the main shaft transition sleeve (1) is arranged in the main shaft (8), and the second end of the main shaft transition sleeve (1) is provided with a first mounting hole;
a first end of the milling cutter reducing sleeve (2) is arranged in the first mounting hole, a second end of the milling cutter reducing sleeve (2) is provided with a second mounting hole, and a connecting end (9) of a cutter is arranged in the second mounting hole;
a first connecting ring (4) is fixedly arranged at the second end of the spindle transition sleeve (1), a second connecting ring (5) is fixedly arranged at the second end of the milling cutter reducing sleeve (2), and the first connecting ring (4) is fixedly connected with the second connecting ring (5);
the limiting sleeve (3) is arranged in the first mounting hole, one end of the limiting sleeve (3) is fixedly connected with the connecting end (9) of the cutter, and the end face of the first end of the milling cutter reducing sleeve (2) is abutted.
2. Tool connecting device according to claim 1, characterized in that the diameter of the first end of the spindle transition sleeve (1) is smaller than the diameter of the second end of the spindle transition sleeve (1).
3. The tool connecting device according to claim 1, characterized in that the diameter of the first end of the milling cutter reducer sleeve (2) is smaller than the diameter of the second end of the milling cutter reducer sleeve (2).
4. A tool coupling arrangement according to any one of claims 1-3, wherein the coupling end of the tool is provided with a threaded bore, and the stop collar (3) is fixedly connected to the coupling end of the tool by means of a screw passing through the threaded bore.
5. Tool connecting device according to claim 4, characterized in that the stop collar (3) comprises a sleeve body and a slotted counter bore, through which the screw passes and the nut of which is arranged completely in the slotted counter bore of which the nut is arranged.
6. The tool connecting device according to any one of claims 1-3, characterized in that a key groove (6) is formed on the outer surface of the spindle transition sleeve (1), a flat key is arranged in the key groove (6), and the spindle transition sleeve (1) is fixedly connected with the spindle through the flat key.
7. A tool connecting device according to any one of claims 1-3, further comprising a pull stud (7), wherein the pull stud (7) is fixedly arranged in the center of the first end of the spindle transition sleeve (1), and the spindle transition sleeve (1) is fixedly connected with the spindle through the pull stud (7).
8. The tool connecting device according to claim 7, characterized in that the connection between the end surface of the first end of the spindle transition sleeve (1) and the circumferential surface of the spindle transition sleeve (1) is formed by a circular arc, the center of which faces away from the spindle transition sleeve (1).
9. Tool coupling arrangement according to any one of claims 1-3, characterized in that the first coupling ring (4) and the second coupling ring (5) are fixedly connected by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956366.4U CN210360468U (en) | 2019-06-21 | 2019-06-21 | Cutter connecting device for boring and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956366.4U CN210360468U (en) | 2019-06-21 | 2019-06-21 | Cutter connecting device for boring and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210360468U true CN210360468U (en) | 2020-04-21 |
Family
ID=70266974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920956366.4U Expired - Fee Related CN210360468U (en) | 2019-06-21 | 2019-06-21 | Cutter connecting device for boring and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210360468U (en) |
-
2019
- 2019-06-21 CN CN201920956366.4U patent/CN210360468U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |