CN210188634U - Automatic directional locking device of cutter head - Google Patents
Automatic directional locking device of cutter head Download PDFInfo
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- CN210188634U CN210188634U CN201921052227.5U CN201921052227U CN210188634U CN 210188634 U CN210188634 U CN 210188634U CN 201921052227 U CN201921052227 U CN 201921052227U CN 210188634 U CN210188634 U CN 210188634U
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- positioning
- milling head
- pin shaft
- automatic
- guide key
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Abstract
The utility model discloses an automatic directional locking device of cutter head, including cutter head connecting plate, location direction key, removal round pin axle, location support, set screw one, set screw two, the fixed cover of multichannel, coupling disc, fixed pressing plate, spring holder, expanding spring, transmission shaft, compression spring, slip round pin axle, simple structure, location effect is good, can realize the graduation location, fixes a position more accurately.
Description
Technical Field
The utility model relates to a lathe functional unit field, concretely relates to directional locking device of automatic cutter head.
Background
The directional locking device of the automatic milling head is used for realizing the relative position orientation between the transmission shaft and the milling head body when the automatic milling head of a machine tool is placed in a milling head library, and ensuring the accurate and reliable position when the automatic milling head is connected and exchanged with a main shaft of the machine tool.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned problem comprehensively, especially not enough to prior art exists, the utility model provides an automatic directional locking device of cutter head, simple structure, location effect is good, can realize the graduation location, and the location is more accurate.
In order to achieve the above object, the utility model adopts the following technical means: an automatic directional locking device for a milling head comprises a milling head connecting plate, a positioning guide key, a movable pin shaft, a positioning support, a first fixing screw, a second fixing screw, a multi-channel fixing sleeve, a connecting disc, a fixing pressing plate, a spring seat, a telescopic spring, a transmission shaft, a compression spring and a sliding pin shaft; the movable pin shaft is sleeved in a mounting hole corresponding to the milling head connecting plate, the lower end face of the movable pin shaft is connected with a compression spring, an L-shaped guide groove corresponding to the positioning guide key is arranged on the movable pin shaft, a sliding pin shaft is fixed on the positioning guide key, and the positioning support is matched with the positioning guide key and is fixed with the connecting disc through a second fixing screw; the upper portion of transmission shaft is equipped with expanding spring, the expanding spring other end is fixed on the spring holder, the coupling disc is connected with automatic cutter head body through the fixed cover of multichannel.
Furthermore, the positioning guide key is provided with a positioning conical surface structure, and the positioning support is provided with an inclined surface structure corresponding to the positioning conical surface structure.
Furthermore, the inner circle of the connecting disc is provided with a positioning inner gear ring; and the surface of the transmission shaft is provided with a positioning outer gear ring corresponding to the positioning inner gear ring.
Furthermore, the coupling disc is provided with a high-precision 144-tooth directional toothed disc.
Furthermore, a mounting hole corresponding to the compression spring is arranged in the multi-channel fixing sleeve.
Furthermore, the L-shaped guide groove is provided with a guide groove parallel to the axis.
Furthermore, the positioning guide key is provided with an open groove corresponding to the sliding pin shaft, and the sliding pin shaft is clamped in the open groove and the L-shaped guide groove.
The utility model has the advantages that: the utility model has simple structure, good positioning effect, can realize indexing positioning, more accurate positioning, when in use, the automatic milling head is arranged on a milling head connector of a machine tool through a clamping oil cylinder, the end face of a moving pin shaft moves inwards under the action of the machine tool connector and a compression spring, the positioning guide key and a sliding pin shaft move outwards together under the action of an L-shaped guide groove of the moving pin shaft, a positioning conical surface on the positioning guide key is separated from a positioning support, simultaneously, a transmission shaft in the middle of the automatic milling head also compresses a telescopic spring under the action of a main shaft of the machine tool, a positioning inner gear ring is arranged in an inner circle of a connecting disc, the transmission shaft is fixed on the main shaft of the machine tool through a tensioning mechanism, a positioning outer gear ring is arranged on the surface of the transmission shaft, two positioning gear rings are synchronously separated when the transmission shaft moves, a high-precision directional fluted disc is, the synchronous rotation of the machine tool spindle and the horizontal spindle of the automatic milling head is realized;
when the automatic milling head is used for indexing, the milling head connecting plate is separated from the machine tool milling head connecting body for a certain distance under the action of the milling head loosening oil cylinder, the movable pin shaft moves outwards for a certain distance under the action of the compression spring, and the L-shaped guide groove of the movable pin shaft has a section of guide groove parallel to the axis and keeps the positioning guide key not to move and still in a separated state. The transmission shaft is synchronously close to the connecting disc under the action of the dead weight of the milling head and the expansion spring, the positioning gear rings are synchronously meshed together, and the main shaft of the machine tool drives the connecting disc, the multi-channel fixing sleeve and the horizontal milling head shaft assembly to rotate together through the transmission shaft, so that the automatic angle indexing of the automatic milling head is realized.
After automatic cutter head graduation was accomplished, cutter head connecting plate and lathe cutter head connector were together fixed under the tight hydro-cylinder effect of clamp of automatic cutter head, and the synchronous inward shift of transmission shaft compression expanding spring is thrown off with the interior epaxial location ring gear of circle in the coupling disc, like this the utility model discloses a transmission shaft can drive horizontal cutter head main shaft under lathe main shaft servo drive again and rotate together and realize the smear metal operation.
When the automatic milling head does not work, the automatic milling head needs to be placed on a support of a milling head library and separated from a machine tool spindle under a standard milling head angle position through the action of a loosening oil cylinder, the end face of a movable pin shaft moves outwards under the action of a machine tool connector and a compression spring, a positioning guide key and a sliding pin shaft are pushed to move inwards together under the action of an inclined plane of an L-shaped guide groove under the action of the L-shaped guide groove of the movable pin shaft, and a positioning conical surface on the positioning guide key is attached to a positioning support. Meanwhile, a transmission shaft in the middle of the automatic milling head synchronously moves outwards under the thrust of the telescopic spring and is meshed with the positioning inner gear ring of the inner circle of the connecting disc, and the transmission shaft, the connecting disc, the positioning guide key and the milling head connecting plate are connected together to form a relatively fixed whole, so that the accurate orientation of the automatic milling head is realized.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a cross-sectional view taken along line C-C of fig. 1.
Fig. 4 is a partially enlarged view of a portion a in fig. 2.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present embodiment provides an automatic directional locking device for a milling head, which includes a milling head coupling plate 1, a positioning guide key 2, a movable pin 3, a positioning support 4, a first fixing screw 5, a second fixing screw 6, a multi-channel fixing sleeve 7, a coupling disc 8, a fixing pressure plate 9, a spring seat 10, a telescopic spring 11, a transmission shaft 12, a compression spring 13, and a sliding pin 14; the positioning guide key 2 is sleeved on the milling head connecting plate 1, the fixed pressing plate 9 is pressed on the surface of the positioning guide key 2 and is fixed with the milling head connecting plate 1 through a first fixing screw 5, the movable pin shaft 3 is sleeved in a corresponding mounting hole on the milling head connecting plate 1, the lower end surface of the movable pin shaft 3 is connected with a compression spring 13, an L-shaped guide groove 16 corresponding to the positioning guide key 2 is arranged on the movable pin shaft 3, a sliding pin shaft 14 is fixed on the positioning guide key 2, the positioning support 4 is matched with the positioning guide key 2 and is fixed with a connecting disc 8 through a second fixing screw 6, an expansion spring 11 is arranged at the upper part of the transmission shaft 12, the other end of the expansion spring 11 is fixed on a spring seat 10, the connecting disc 8 is connected with the automatic milling head body through a multi-channel fixing sleeve 7, and the positioning guide key 2 and the milling head connecting plate 1 are well guided, the gap of 0.02-0.05mm is kept, the positioning conical surface on the positioning guide key 2 and the inclined surface on the positioning support 4 are required to be well contacted so as to keep the positioning reliability, and the thrust of the compression spring 13 can smoothly push the positioning guide key 2 to move left and right without clamping.
The positioning guide key 2 is provided with a positioning conical surface structure, and the positioning support 4 is provided with an inclined surface structure corresponding to the positioning conical surface structure.
The inner circle of the coupling disc 8 is provided with a positioning inner gear ring; and a positioning outer gear ring corresponding to the positioning inner gear ring is arranged on the surface of the transmission shaft 12.
The coupling disc is provided with a high-precision 144-tooth directional toothed disc.
And a mounting hole 15 corresponding to the compression spring 13 is arranged in the multi-channel fixing sleeve 7.
The L-shaped guide groove 16 is provided with a guide groove 1601 parallel to the axis.
The positioning guide key 2 is provided with an open groove 17 corresponding to the sliding pin shaft 14, and the sliding pin shaft 14 is clamped in the open groove 17 and the L-shaped guide groove 16.
This embodiment simple structure, location effect is good, can realize the graduation location, the location is more accurate, during the use, automatic cutter head passes through the tight hydro-cylinder of clamp and installs on the lathe cutter head connector, 3 terminal surfaces of removal round pin axle of this embodiment inwards move under the effect of lathe connector and compression spring 13, under the L shape guide way effect through removal round pin axle 3, location guide key 2 outwards moves together with sliding pin axle 14, the location conical surface on the location guide key 2 is thrown off from location support 4. Meanwhile, a transmission shaft 12 in the middle of the automatic milling head also presses the telescopic spring 11 under the action of a machine tool main shaft, a positioning inner gear ring is arranged on the inner circle of the connecting disc 8, the transmission shaft 12 is fixed on the machine tool main shaft through a tensioning mechanism, a positioning outer gear ring is arranged on the surface of the transmission shaft 12, the two positioning gear rings are synchronously separated when the transmission shaft 12 moves, a high-precision 144-tooth directional fluted disc is arranged above the connecting disc 8 and fixed with a high-precision directional fluted disc on the machine tool under the action of a clamping oil cylinder, and thus the transmission shaft 12 in the embodiment can drive the horizontal milling head main shaft to rotate together under the servo drive. The synchronous rotation of the machine tool spindle and the horizontal spindle of the automatic milling head is realized. When the automatic milling head is used for indexing, the milling head connecting plate 1 is separated from the milling head connecting body of the machine tool by a certain distance under the action of the milling head loosening oil cylinder, the movable pin shaft 3 moves outwards by a certain distance under the action of the compression spring 13, and the L-shaped guide groove of the movable pin shaft 3 has a section of guide groove parallel to the axis and keeps the positioning guide key 2 unmovable and still in a separated state. The transmission shaft 12 is synchronously close to the connecting disc 8 under the action of the dead weight of the milling head and the expansion spring 11, and the positioning gear rings are synchronously meshed together, so that the machine tool spindle drives the connecting disc 8, the multi-channel fixing sleeve 7 and the horizontal milling head shaft assembly to rotate together through the transmission shaft 12, and the automatic angle indexing of the automatic milling head is realized. After the indexing of the automatic milling head is completed, the milling head connecting plate 1 and the milling head connector of the machine tool are fixed together under the action of the clamping oil cylinder of the automatic milling head, the transmission shaft 12 compresses the telescopic spring 11 to synchronously move inwards to be separated from the positioning inner gear ring on the inner circle of the connecting disc 8, and thus the transmission shaft 12 of the embodiment can drive the horizontal milling head main shaft to rotate together under the servo drive of the machine tool main shaft to realize the chip cutting operation. When the automatic milling head does not work, the automatic milling head needs to be placed on a support of a milling head library, the automatic milling head and a machine tool spindle are separated from each other under the angle position of the standard milling head through the acting force of a loosening oil cylinder, the end face of a moving pin shaft 3 of the embodiment moves outwards under the action of a machine tool connector and a compression spring 13, a positioning guide key 2 and a sliding pin shaft 14 are pushed to move inwards together under the action of an inclined plane of an L-shaped guide groove under the action of the L-shaped guide groove of the moving pin shaft 3, and a positioning conical surface on the positioning guide key 2 is attached to a positioning support 4. Meanwhile, a transmission shaft 12 in the middle of the automatic milling head synchronously moves outwards under the thrust of an expansion spring 11 and is meshed with a positioning inner gear ring of the inner circle of the connecting disc 8, so that the transmission shaft 12, the connecting disc 8, the positioning guide key 2, the milling head connecting plate 1 and the like are connected together to form a relatively fixed whole, and the accurate orientation of the automatic milling head is realized.
This example is given by way of illustration and not by way of limitation. It will be apparent to those skilled in the art that many more modifications and variations than those set forth above may be made in the practice of the invention, and that all such modifications and variations are not necessarily intended to be exhaustive or to be within the scope of the invention.
Claims (6)
1. An automatic directional locking device for a milling head is characterized by comprising a milling head connecting plate (1), a positioning guide key (2), a movable pin shaft (3), a positioning support (4), a first fixing screw (5), a second fixing screw (6), a multi-channel fixing sleeve (7), a connecting plate (8), a fixing pressing plate (9), a spring seat (10), an expansion spring (11), a transmission shaft (12), a compression spring (13) and a sliding pin shaft (14); the positioning guide key (2) is sleeved on the milling head connecting plate (1), and the fixed pressing plate (9) is pressed on the surface of the positioning guide key (2) and is fixed with the milling head connecting plate (1) through a first fixing screw (5); the movable pin shaft (3) is sleeved in a mounting hole corresponding to the movable pin shaft on the milling head connecting plate (1), a compression spring (13) is connected to the lower end face of the movable pin shaft (3), an L-shaped guide groove (16) corresponding to the positioning guide key (2) is formed in the movable pin shaft (3), a sliding pin shaft (14) is fixed on the positioning guide key (2), the positioning support (4) is matched with the positioning guide key (2) and corresponds to the positioning guide key and is fixed with the connecting disc (8) through a second fixing screw (6), an expansion spring (11) is installed on the upper portion of the transmission shaft (12), the other end of the expansion spring (11) is fixed on a spring seat (10), and the connecting disc (8) is connected with the automatic milling head body through a multi-channel fixing sleeve (7).
2. The directional locking device of an automatic milling head according to claim 1, characterized in that the positioning guide key (2) is provided with a positioning conical surface structure, and the positioning support (4) is provided with an inclined surface structure corresponding to the positioning conical surface structure.
3. An automatic milling head directional locking device according to claim 1, characterized in that the inner circle of the coupling disc (8) is provided with a positioning inner gear ring; and a positioning outer gear ring corresponding to the positioning inner gear ring is arranged on the surface of the transmission shaft (12).
4. An automatic mill head orientation locking device according to claim 3, characterized in that the multichannel fixing sleeve (7) is provided with a mounting hole (15) corresponding to the compression spring (13).
5. An automatic mill head orientation locking device according to claim 4, characterized in that the L-shaped guide groove (16) is provided with a guide groove (1601) parallel to the axis.
6. An automatic directional locking device for a milling head according to claim 5, characterized in that the positioning guide key (2) is provided with an open groove (17) corresponding to the sliding pin shaft (14), and the sliding pin shaft (14) is clamped in the open groove (17) and the L-shaped guide groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052227.5U CN210188634U (en) | 2019-07-08 | 2019-07-08 | Automatic directional locking device of cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052227.5U CN210188634U (en) | 2019-07-08 | 2019-07-08 | Automatic directional locking device of cutter head |
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| Publication Number | Publication Date |
|---|---|
| CN210188634U true CN210188634U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921052227.5U Active CN210188634U (en) | 2019-07-08 | 2019-07-08 | Automatic directional locking device of cutter head |
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| CN (1) | CN210188634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280823A (en) * | 2019-07-08 | 2019-09-27 | 浙江日发航空数字装备有限责任公司 | A kind of automatic milling head orientation locking device |
-
2019
- 2019-07-08 CN CN201921052227.5U patent/CN210188634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280823A (en) * | 2019-07-08 | 2019-09-27 | 浙江日发航空数字装备有限责任公司 | A kind of automatic milling head orientation locking device |
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