CN209868073U - Novel five-shaft head - Google Patents
Novel five-shaft head Download PDFInfo
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- CN209868073U CN209868073U CN201920530061.7U CN201920530061U CN209868073U CN 209868073 U CN209868073 U CN 209868073U CN 201920530061 U CN201920530061 U CN 201920530061U CN 209868073 U CN209868073 U CN 209868073U
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Abstract
A novel five-shaft head comprises a C-shaft rotary table mechanism, an A-shaft rotary table mechanism, an upper connection, a main shaft and a five-shaft head, wherein the C-shaft rotary table mechanism is installed on the upper connection, the output end of the C-shaft rotary table mechanism is connected with the five-shaft head, the five-shaft head is a bilateral fork type five-shaft head and comprises a bilateral fork shell, the bilateral fork shell comprises a driving end side fork and a driven end side fork, and the main shaft is arranged between the driving end side fork and the driven end side fork; the driven end side fork is internally provided with a driven rotating shaft, the driven rotating shaft is provided with a driven rotating bearing, the outer side of the driven rotating bearing is sleeved with a sliding ring with the same axle center, the sliding ring comprises a rotor and a stator, the rotor is coaxial with the stator, and the rotor is connected with the driven rotating bearing. The slip ring is arranged, so that the electric wire is ensured to rotate synchronously with the main shaft, and the problem of knotting of the electric wire is solved. The double-side support is adopted, the structure is more stable, the A-axis motor is hidden in a cavity of the fork structure, and the dustproof shell is arranged to prolong the service life of the spindle.
Description
Technical Field
The utility model belongs to the technical field of high-end numerical control machining center, specifically speaking is a novel five spindle nose.
Background
The five-shaft head is a core component in high-end numerical control machining center equipment. In the process of machining, the five-axis numerical control machining center sends an instruction by an upper computer, and the transmission part and the five-axis head are matched to execute the motion and space difference compensation functions of the machine tool to machine the workpiece. In the machining process of the five-shaft head, interpolation motion of a C shaft and an A shaft is needed to position a workpiece, and an electric main shaft clamping tool rotates to cut the workpiece. The machining precision of the workpiece is mainly determined by the difference compensation movement performed by the matching of the transmission mechanism and the five-shaft head, so that the five-shaft head plays a vital role in high-precision machining.
In order to meet the high-precision machining requirement of complex workpieces in high-end numerical control machining, most domestic manufacturers adopt a five-axis machining center as a machining means to machine the workpieces. The demand of the domestic machine tool manufacturer on the five-shaft head with high precision is increasingly greater, the five-shaft head is rarely produced by the domestic machine tool manufacturer, the produced five-shaft head hardly meets the requirement of high-precision machining in precision, the main reason is that the accessory selection and the structural design of the five-shaft head are not reasonable, the machining process difficulty is high, the high-precision requirement of the produced product is difficult to guarantee, the problem that the winding of the shaft head cannot be solved by the five-shaft head at the current stage, and the rotation of the shaft head can cause the disorder of the winding of electric wires.
201620232704.6 discloses a double-pendulum five-axis head, which belongs to five-axis head of CNC machining center, and concretely comprises a first servo motor, a C-axis gearbox connected with the output shaft of the first servo motor, a headstock installed at the output end of the C-axis gearbox and rotating around the C axis, a second servo motor and an A-axis gearbox connected with the output shaft of the second servo motor installed in the headstock, and a main shaft installed at the output end of the A-axis gearbox and rotating around the A axis, wherein the included angle between the A axis and the C axis is acute angle; in addition, due to the unique acute angle design between the axis A and the axis C, on one hand, the installation contact surface is large, the connection is more reliable, the processing precision is improved, on the other hand, the rotation range of the axis A can reach +/-160 degrees, the rotation range of the axis C can reach +/-320 degrees, the processing tool is suitable for processing and carving various special-shaped curved surfaces, the processing precision is guaranteed while the processing is flexible and variable, and the labor cost is reduced. However, in the prior art, the structure is unstable, the bearable cutting force is small, the stability of a cutter during machining is poor, the arrangement space is small, dust is corroded to a main shaft in severe construction places and under machining environment conditions, the service life of the main shaft is easily reduced, and a complicated wire is wound due to the rotation of a shaft head easily to cause knotting of the wire, so that the rotation of the shaft head is limited to cause equipment failure.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a: a novel five-shaft head comprises a C-shaft rotary table mechanism, an A-shaft rotary table mechanism, an upper connection, a main shaft and a five-shaft head, wherein the C-shaft rotary table mechanism is installed on the upper connection, the output end of the C-shaft rotary table mechanism is connected with the five-shaft head, the five-shaft head horizontally rotates around a C shaft through the driving of the C-shaft rotary table mechanism, the five-shaft head is a double-side fork type five-shaft head and comprises a double-side fork shell, the double-side fork shell comprises a driving end side fork and a driven end side fork, the main shaft is arranged between the driving end side fork and the driven end side fork, and a main shaft installation shell is sleeved on the main shaft;
an A-axis turntable mechanism is arranged in the active end side fork, the output end of the A-axis turntable mechanism is connected with a main shaft, and the main shaft is driven by the A-axis turntable mechanism to vertically rotate around an A axis;
the driven end side fork is internally provided with a driven rotating shaft, the driven rotating shaft is provided with a driven rotating bearing, the outer side of the driven rotating bearing is sleeved with a sliding ring with the same axle center, the sliding ring comprises a rotor and a stator, the rotor is coaxial with the stator, and the rotor is connected with the driven rotating bearing.
Further, main shaft installation casing is equipped with three tool bit installation axle, and wherein there are two installation axles for hand tool changing electricity main shaft, and another installation axle is automatic tool changing electricity main shaft, the tool bit of different specifications can all be installed to the tool bit installation axle.
Furthermore, dustproof shells are arranged on the outer sides of the driving end side fork and the driven end side fork, and a wire feeding port is formed in the driven end side fork.
Further, the A-axis turntable mechanism comprises an A-axis motor, an A-axis synchronous belt transmission and an A-axis speed reducer, the A-axis motor is installed in the driving end side fork, an output shaft is connected with an input shaft of the A-axis speed reducer through the A-axis synchronous belt transmission, main shaft mounting flanges are further arranged at two ends of the main shaft, and the output end of the A-axis speed reducer is connected with the main shaft through the main shaft mounting flanges.
Furthermore, the main shaft mounting flange is connected with the main shaft mounting shell and the main shaft into a whole through bolts, the driven end side fork is connected with the main shaft shell through bolts, the main shaft shell flange shaft is connected with the supporting end bearing seat through a bearing, and the driven end side fork is connected with the main shaft shell through bolts. And the support end bearing seat is connected with the five-axis head through a bolt.
Further, the driven rotation shaft is connected with a driven rotation bearing through a support end bearing seat.
Further, the upper connection is fixed on the machine tool main body through a bolt and is kept static relative to the machine tool, and the C-axis motor is connected to the upper connection through a motor base in a threaded connection mode.
The utility model has the advantages that:
(1) the utility model adopts the double-side support, compared with the traditional five-shaft head with single-side support, the structure is more stable, the bearable cutting force is larger, the stability of the cutter is facilitated during processing, and the processing precision is improved;
(2) the A-axis motor is skillfully hidden in the cavity of the fork type structure, so that the arrangement space is saved, and the appearance is attractive;
(3) the dust-proof shell is arranged, so that the corrosion of dust to the main shaft can be greatly relieved by the closed structure to severe construction places and processing environments, and the service life of the main shaft is prolonged.
(4) The slip ring is arranged, the stator and the rotor in the slip ring can rotate relatively without limit, all line bodies of the equipment can be wound regularly by the slip ring and can be matched with the driven shaft to rotate and wind, the rotation synchronization of the electric wire and the main shaft is ensured, and therefore the problem of knotting of the electric wire is solved fundamentally.
Drawings
FIG. 1 is a novel five-axle head structure diagram of the present invention;
fig. 2 is a front view of a novel five-axis head of the present invention;
fig. 3 is a sectional view of the present invention.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings, which are provided for illustration purposes only to help understanding the present invention and are not to be construed as limiting the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in fig. 1-3, the utility model discloses a novel five-shaft head 5, include C axle revolving stage mechanism 1, a axle revolving stage mechanism 2, go up to connect 3, main shaft and five-shaft head 5, C axle revolving stage mechanism 1 installs on last connecting 3, C axle revolving stage mechanism 1 output is connected with five-shaft head 5, five-shaft head 5 realizes around C axle horizontal rotation through the drive of C axle revolving stage mechanism 1, five-shaft head 5 is two side fork five-shaft head, including two side fork shells, two side fork shells include drive end side fork 6 and driven end side fork 7, the main shaft is located between drive end side fork 6 and driven end side fork 7, the cover has main shaft installation casing 4 on the main shaft;
an A-axis turntable mechanism 2 is arranged in the driving end side fork 6, the output end of the A-axis turntable mechanism 2 is connected with a main shaft, and the main shaft is driven by the A-axis turntable mechanism 2 to vertically rotate around an A axis;
the driven end side fork 7 is internally provided with a driven rotating shaft, the driven rotating shaft is provided with a driven rotating bearing 8, the outer side of the driven rotating bearing 8 is coaxially sleeved with a sliding ring 9, the sliding ring 9 comprises a rotor and a stator, the rotor is coaxially arranged with the stator, and the rotor is connected with the driven rotating bearing 8.
Spindle installation casing 4 is equipped with three tool bit installation axle 10, and wherein there are two installation axles for hand tool changing electricity main shaft 101, and another installation axle is automatic tool changing electricity main shaft 102, the tool bit of different specifications can all be installed to tool bit installation axle 10.
The outer sides of the driving end side fork 6 and the driven end side fork 7 are respectively provided with a dustproof shell 11, and the driven end side fork 7 is provided with a wiring port.
A axle revolving stage mechanism 2 includes A axle motor, A axle synchronous belt drive, A axle speed reducer, A axle motor is installed in the drive end side fork 6, the output shaft passes through A axle synchronous belt drive and the input shaft of A axle speed reducer, the main shaft both ends still are equipped with main shaft mounting flange, the output of A axle speed reducer passes through main shaft mounting flange and is connected with the main shaft.
The main shaft mounting flange is connected with the main shaft mounting shell 4 and the main shaft into a whole through bolts, the driven end side fork 7 is connected with the main shaft shell through bolts, the main shaft shell flange shaft is connected with the supporting end bearing seat through a bearing, and the driven end side fork 7 is connected with the main shaft shell through bolts. And the support end bearing seat is connected with the five-axis head 5 through a bolt.
The driven rotary shaft is connected with a driven rotary bearing 8 through a support end bearing seat.
The upper connection 3 is fixed on the machine tool main body through a bolt and keeps relative static with the machine tool, and the C-axis motor is in threaded connection with the upper connection 3 through a motor base.
Example 2
The utility model discloses a theory of operation is:
an upper computer sends an instruction to the C-axis motor, and the C-axis motor drives the five-axis head to rotate, so that the horizontal rotation positioning of the C axis is realized. An upper computer sends an instruction to an A-shaft motor, the A-shaft motor drives an A-shaft driving end synchronous belt pulley to rotate, the A-shaft driving end synchronous belt pulley drives an A-shaft belt to transmit, the A-shaft belt drives an A-shaft driven end synchronous belt pulley to rotate, the A-shaft driven end synchronous belt pulley drives an A-shaft speed reducer to rotate, and the A-shaft harmonic speed reducer drives a main shaft to rotate so as to realize vertical rotation positioning of the A shaft.
The linkage motion of the shaft C and the shaft A realizes a space difference compensation function, and the main shaft drives the main shaft mounting shell to rotate so as to realize the processing of the workpiece.
When the five-shaft-head rotating mechanism works, the rotation of the shaft A can be realized through the relative movement of the input end and the output end of the shaft A speed reducer, namely the relative rotation of the whole body of the main shaft and the main shaft mounting shell relative to the five-shaft head; meanwhile, the driving end side fork and the driven end side fork of the five-shaft head support the rotary motion at the same time, more stable support is provided, wiring of equipment is wound in a slip ring stator in the driven end side fork when the main shaft mounting shell rotates, the rotor and the stator can rotate relatively without limitation, the electric wire is connected with an external instrument through a wiring port, and the slip ring rotates along with the bearing so as to drive the electric wire to rotate along with the main shaft synchronously and always rotate along with the instrument, so that the electric wire is prevented from being wound and knotted.
The embodiments of the present invention, it is understood that the above embodiments are exemplary and not intended to be construed as limiting, and those skilled in the art can change, modify, replace and modify the above embodiments without departing from the spirit and scope of the present invention, and the simple combination of the above embodiments is listed as the protection of the present invention.
Claims (7)
1. The utility model provides a novel five spindle nose, includes C axle revolving stage mechanism (1), A axle revolving stage mechanism (2), goes up connection (3), main shaft and five spindle nose (5), C axle revolving stage mechanism (1) is installed on last connection (3), C axle revolving stage mechanism (1) output is connected with five spindle nose (5), five spindle nose (5) are passed through the drive of C axle revolving stage mechanism (1) is realized around C axle horizontal rotation, its characterized in that:
the five-shaft head (5) is a double-side fork type five-shaft head and comprises a double-side fork shell, the double-side fork shell comprises a driving end side fork (6) and a driven end side fork (7), the main shaft is arranged between the driving end side fork (6) and the driven end side fork (7), and a main shaft mounting shell (4) is sleeved on the main shaft;
an A-axis turntable mechanism (2) is arranged in the driving end side fork (6), the output end of the A-axis turntable mechanism (2) is connected with a main shaft, and the main shaft is driven by the A-axis turntable mechanism (2) to vertically rotate around an A axis;
the driven end side fork (7) is internally provided with a driven rotating shaft, the driven rotating shaft is provided with a driven rotating bearing (8), the outer side of the driven rotating bearing (8) is sleeved with a sliding ring (9) in a coaxial manner, the sliding ring (9) comprises a rotor and a stator, the rotor is coaxial with the stator, and the rotor is connected with the driven rotating bearing (8).
2. The novel penta-axial head of claim 1, wherein: spindle installation casing (4) are equipped with three tool bit installation axle (10), wherein have two installation axles to be hand tool changing electricity main shaft (101), and another installation axle is automatic tool changing electricity main shaft (102), the tool bit of different specifications can all be installed to tool bit installation axle (10).
3. The novel penta-axial head of claim 1, wherein: and dustproof shells (11) are arranged on the outer sides of the driving end side fork (6) and the driven end side fork (7), and a wiring port is formed in the driven end side fork (7).
4. The novel penta-axial head of claim 1, wherein: a axle revolving stage mechanism (2) includes A axle motor, A axle synchronous belt drive, A axle speed reducer, A axle motor is installed in drive end side fork (6), the output shaft passes through A axle synchronous belt drive and the input shaft of A axle speed reducer, the main shaft both ends still are equipped with main shaft mounting flange, the output of A axle speed reducer passes through main shaft mounting flange and is connected with the main shaft.
5. The novel penta-axial head of claim 4, wherein: the main shaft mounting flange is connected with the main shaft mounting shell (4) and a main shaft into a whole through bolts, the driven end side fork (7) is connected with the main shaft shell flange through bolts, and the main shaft shell flange shaft is connected with the supporting end bearing seat through a bearing.
6. The novel penta-axial head of claim 1, wherein: the driven rotating shaft is connected with the driven rotating bearing (8) through a bearing seat at the supporting end.
7. The novel penta-axial head of claim 1, wherein: the upper connection (3) is fixed on the machine tool main body through a bolt and keeps relative static with the machine tool, and the C-axis motor is in threaded connection with the upper connection (3) through a motor base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530061.7U CN209868073U (en) | 2019-04-18 | 2019-04-18 | Novel five-shaft head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530061.7U CN209868073U (en) | 2019-04-18 | 2019-04-18 | Novel five-shaft head |
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| Publication Number | Publication Date |
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| CN209868073U true CN209868073U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920530061.7U Active CN209868073U (en) | 2019-04-18 | 2019-04-18 | Novel five-shaft head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161172A (en) * | 2021-11-26 | 2022-03-11 | 广东欧亚特机械设备有限公司 | Five-axis spindle head and machining center |
| CN115609301A (en) * | 2022-10-13 | 2023-01-17 | 上海拓璞数控科技股份有限公司 | Direct-drive double-fork AB swing head with W shaft |
-
2019
- 2019-04-18 CN CN201920530061.7U patent/CN209868073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161172A (en) * | 2021-11-26 | 2022-03-11 | 广东欧亚特机械设备有限公司 | Five-axis spindle head and machining center |
| CN115609301A (en) * | 2022-10-13 | 2023-01-17 | 上海拓璞数控科技股份有限公司 | Direct-drive double-fork AB swing head with W shaft |
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