CN204346641U - A kind of Purely mechanical high speed chief axis on-line dynamic poise head - Google Patents
A kind of Purely mechanical high speed chief axis on-line dynamic poise head Download PDFInfo
- Publication number
- CN204346641U CN204346641U CN201520047216.3U CN201520047216U CN204346641U CN 204346641 U CN204346641 U CN 204346641U CN 201520047216 U CN201520047216 U CN 201520047216U CN 204346641 U CN204346641 U CN 204346641U
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- balancing frame
- balancing
- nozzle
- head
- frame body
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Abstract
The utility model relates to a kind of high speed chief axis on-line dynamic poise head, belongs to precision and ultra-precision machining and automatic field.This on-line dynamic balancing head is Purely mechanical structure, and its core is symmetrical two correction balancing frame assemblies and driving mechanism thereof, and balancing head physical construction is simple and reliable, and axial dimension is little; Balancing frame Component driver mechanism is made up of nozzle mechanism, and driven equilibrium dish assembly is relative to the adjustment of main shaft benchmark radial position, and actuating medium is taken conveniently, pollution-free to air; The utility model has great importance for high speed and precision Ultra-precision Turning.
Description
Technical field
The utility model relates to a kind of high speed chief axis on-line dynamic poise head, belongs to precision and ultra-precision machining and automatic field.
Background technology
Main shaft rotates square being directly proportional of the uneven centrifugal force that produces and rotating speed, for high-speed spindle system, even if small amount of unbalance also may produce very large uneven centrifugal force, causes the fault such as machine vibration, bearing wear.Therefore, the amount of unbalance of high-speed spindle system drastically influence machining precision and the serviceable life of lathe.
The dynamically balanced task of axis system is exactly determine the size and Orientation of high-speed spindle system amount of unbalance, then a balance mass is added in its a certain radius in contrary direction, make the equal and opposite in direction of additional amount of unbalance and axis system amount of unbalance, direction contrary, to reduce or to eliminate the amount of unbalance of high-speed spindle system.Therefore, transient equilibrium reduces axis system amount of unbalance, promotes that lathe is to the key basic technology of high speed, efficient, high-precision future development.
Axis system dynamic balancing technique is divided into technique transient equilibrium, spot dynamic balance, on-line dynamic balancing usually.Technique transient equilibrium refers to the balance of carrying out on dynamic balancing machine; Spot dynamic balance refers to that rotor is under the condition of real work, utilizes the balancing run that some on-the-spot test and analytical equipment are implemented rotor; On-line dynamic balancing refers under the non-stop-machine state of unit, utilizes a kind of automatic controls to realize the method to balancing rotor system.On-line dynamic balancing automatically can identify size and the phase place of amount of unbalance under main shaft working speed, and automatically complete balancing work, compared with traditional balance method, on-line dynamic balancing has avoids frequent switching on and shutting down test mass, improve balance efficiency and precision, self balancing advantage can be implemented according to the change of the factors such as machine tooling operating mode to amount of unbalance simultaneously.Therefore high-speed spindle system automatic on-line balance more and more obtains the concern of people.
The utility model is for high-speed machine tool main axle structure feature, invented a kind of physical construction simple, axial dimension is less, accurately and reliably, during practical application, little dynamic balancing head is changed to existing machine-tool spindle system, high speed and precision Ultra-precision Turning is had great importance.
Summary of the invention
The purpose of this utility model overcomes existing high speed chief axis on-line dynamic poise device structure and drive system complexity, and axial dimension is comparatively large, is difficult to realize the shortcomings such as application on existing lathe.Proposing one drives balancing frame assembly and spindle synchronous to rotate by ratchet and pawl arrangement, by the adjustment of high-voltage pulse gas force driven equilibrium dish radial position, and the on-line dynamic balancing head that axis system non-equilibrium state is adjustable, controlled.
For realizing above-mentioned target, the utility model by the following technical solutions:
A kind of physical construction of active high speed chief axis on-line dynamic poise head comprises balancing head and nozzle mechanism.
Balancing head is made up of two balancing frame assemblies and relevant installing component, synthesizes the correcting value needed for balancing head by the intrinsic amount of unbalance of two balancing frame assemblies.Balancing frame assembly is made up of balancing frame body (3), side cover (4), sunk screw (7), benchmark bolt (8).Main installing component comprises round nut (2), installing ring (5), both shoulders sleeve (6) etc.The assembly relation of balancing head on main shaft (1) as depicted in figs. 1 and 2.
The structure of balancing frame body (3) as shown in Figure 3 and Figure 4, it is characterized by Internal and external cycle is all dentalations, external toothing inferior body processes the uneven hole (A1) of a shape of threads apart from the suitable radius of disk center, two sides central part respectively processes a side cover mounting groove (A3), processing 8 threaded holes (A2) in mounting groove.Benchmark bolt (8) is fixed by uneven hole (A1) and balancing frame body (3), the intrinsic unbalance mass, being equivalent to balancing frame assembly of poor quality in base bolt (8) and uneven hole (A1).The structure of side cover (4) as shown in Figure 5 and Figure 6, is characterized by the symmetrical disk-like structure of band center pit, and dish evenly processes four mounting holes (A4).Side cover (4) is fixed by four sunk screws (7) and balancing frame body (3).As shown in Figure 7 and Figure 8, it is characterized by the symmetrical loop configuration of the overhanging elastic claw of band (A5), four elastic claws (A5) are uniformly distributed along endless belt circumference the structure of installing ring (5).Installing ring (5) is built between balancing frame body (3) inside and two side covers (4), four elastic claws (A5) are engaged with balancing frame body (3) internal ring gear, form ratchet and pawl arrangement, when normally working, drive balancing frame assembly and main shaft (1) synchronous rotary by ratchet and pawl arrangement.The structure of both shoulders sleeve (6) as shown in Figure 9 and Figure 10, is characterized by overall processing symmetrical structure.Installing ring (5) is installed on the shoulder of both shoulders sleeve (6) by interference fit, be clearance fit between the shoulder of side cover (4) and both shoulders sleeve (6).Both shoulders sleeve (6) is installed on the shoulder of main shaft (1) by interference fit, and realizes axial restraint by round nut (2).
Nozzle mechanism wiring layout as shown in figure 11.Nozzle mechanism is made up of nozzle (9), gland (10), nozzle holder (11), support (12), base (13) and sunk screw (14).Nozzle (9) is overall processing parts, processing criterion pipe adapter (A6) and nozzle screens groove (A7) in profile, nozzle screens groove (A7) is placed in the half slot (A8) of nozzle holder (11) and gland (10), and is fixed by unthreaded hole (A10) and threaded hole (A9) by sunk screw (14).Nozzle holder (11), support (12) and base (13) are overall processing formula structure.Nozzle mechanism installs the below with balancing frame assembly by base (13).The position relationship of nozzle mechanism and balancing frame assembly as shown in figure 17.When balancing frame assembly needs adjustment relative to the radial position of main shaft (1) reference point, air pulse sprays to the dentation outer rim of balancing frame body (3) by nozzle (9), and an air pulse promotes the angle that balancing frame body (3) slips over elastic claw (A5) internal tooth.
Compared with prior art, the utility model has the following advantages:
1, to be designed to main spindle box built-in for balancing head, and physical construction is simple, and reliability is higher.Especially balancing head axial dimension is little, changes little, for the practical application of balancing head is provided convenience when being applied to actual lathe to the size of machine tool chief axis.
2, on the basis of disc type on-line dynamic balancing head, adopt and rotated by ratchet and pawl arrangement driven equilibrium dish and spindle synchronous, high-voltage pulse air-flow realizes the design concept of balancing frame radial position adjustment.Stream pressure and pulse width adjustable, guarantee that an air pulse makes the position of balancing frame adjust an internal tooth angle.Actuating medium is air, takes conveniently, environmentally safe.
3, balancing head is formed by assembling parts such as balancing frame bodies, and a balancing head can realize the single-side dynamic balance of axis system, and two balancing heads can realize dual-threshold detection.The applying flexible of balancing head.
4, balancing head entirety is physical construction, to axis system without electromagnetic interference (EMI).
Accompanying drawing explanation
The wiring layout of Fig. 1 balancing head on main shaft
Fig. 2 balancing head assembling partial enlarged drawing
Fig. 3 balancing frame body front view
Fig. 4 balancing frame body cut-open view
Fig. 5 balancing frame side cover front view
Fig. 6 balancing frame side cover cut-open view
Fig. 7 installing ring front view
Fig. 8 installing ring cut-open view
Fig. 9 both shoulders sleeve front view
Figure 10 both shoulders sleeve cut-open view
Figure 11 nozzle mechanism wiring layout
Figure 12 nozzle partly cuts open front view
Figure 13 nozzle holder front view
Figure 14 nozzle holder vertical view
Figure 15 nozzle gland front view
Figure 16 nozzle gland vertical view
Figure 17 nozzle mechanism and balancing frame module position relation
In figure: 1, main shaft, 2, round nut, 3, balancing frame body, 4, side cover, 5, installing ring, 6, both shoulders sleeve, 7, sunk screw, 8, benchmark bolt, 9, nozzle, 10, gland, 11, nozzle holder, 12, support, 13, base, 14, sunk screw, 15, benchmark bolt, A1, uneven hole, A2, threaded hole, A3, side cover mounting groove, A4, mounting hole, A5, elastic claw, A6, Standard tubing fittings, A7, screens groove, A8, half slot, A9, threaded hole, A10, unthreaded hole.
Embodiment
A kind of physical construction of active high speed chief axis on-line dynamic poise head comprises balancing head and nozzle mechanism.
Balancing head is made up of two balancing frame assemblies and relevant installing component, synthesizes the correcting value needed for balancing head by the intrinsic amount of unbalance of two balancing frame assemblies.Balancing frame assembly is made up of balancing frame body (3), side cover (4), sunk screw (7), benchmark bolt (8).Main installing component comprises round nut (2), installing ring (5), both shoulders sleeve (6) etc.The assembly relation of balancing head on main shaft (1) as depicted in figs. 1 and 2.
The structure of balancing frame body (3) as shown in Figure 3 and Figure 4, it is characterized by Internal and external cycle is all dentalations, external toothing inferior body processes the uneven hole (A1) of a shape of threads apart from the suitable radius of disk center, two sides central part respectively processes a side cover mounting groove (A3), processing 8 threaded holes (A2) in mounting groove.Benchmark bolt (8) is fixed by uneven hole (A1) and balancing frame body (3), the intrinsic unbalance mass, being equivalent to balancing frame assembly of poor quality in benchmark bolt (8) and uneven hole (A1).The structure of side cover (4) as shown in Figure 5 and Figure 6, is characterized by the symmetrical disk-like structure of band center pit, and dish evenly processes four mounting holes (A4).Side cover (4) is fixed by four sunk screws (7) and balancing frame body (3).As shown in Figure 7 and Figure 8, it is characterized by the symmetrical loop configuration of the overhanging elastic claw of band (A5), four elastic claws (A5) are uniformly distributed along endless belt circumference the structure of installing ring (5).Installing ring (5) is built between balancing frame body (3) inside and two side covers (4), four elastic claws (A5) are engaged with balancing frame body (3) internal ring gear, form ratchet and pawl arrangement, when normally working, drive balancing frame assembly and main shaft (1) synchronous rotary by ratchet and pawl arrangement.The structure of both shoulders sleeve (6) as shown in Figure 9 and Figure 10, is characterized by overall processing symmetrical structure.Installing ring (5) is installed on the shoulder of both shoulders sleeve (6) by interference fit, be clearance fit between the shoulder of side cover (4) and both shoulders sleeve (6).Both shoulders sleeve (6) is installed on the shoulder of main shaft (1) by interference fit, and realizes axial restraint by round nut (2).
Nozzle mechanism wiring layout as shown in figure 11.Nozzle mechanism is made up of nozzle (9), gland (10), nozzle holder (11), support (12), base (13) and sunk screw (14).Nozzle (9) is overall processing parts, processing criterion pipe adapter (A6) and nozzle screens groove (A7) in profile, nozzle screens groove (A7) is placed in the half slot (A8) of nozzle holder (11) and gland (10), and is fixed by unthreaded hole (A10) and threaded hole (A9) by sunk screw (14).Nozzle holder (11), support (12) and base (13) are overall processing formula structure.Nozzle mechanism installs the below with balancing frame assembly by base (13).The position relationship of nozzle mechanism and balancing frame assembly as shown in figure 17.When balancing frame assembly needs adjustment relative to the radial position of main shaft (1) reference point, air pulse sprays to the dentation outer rim of balancing frame body (3) by nozzle (9), and an air pulse promotes the angle that balancing frame body (3) slips over elastic claw (A5) internal tooth.
The above is an example of the present utility model, and we also can carry out some conversion, to be applied to other slewings to its physical construction.As long as the Design of Mechanical Structure thought of its balancing head with the utility model describe consistent, the scope included by the utility model all should be considered as.
Claims (1)
1. a Purely mechanical high speed chief axis on-line dynamic poise head, is characterized in that: balancing head is made up of two balancing frame assemblies and relevant installing component, synthesizes the correcting value needed for balancing head by the intrinsic amount of unbalance of two balancing frame assemblies; Balancing frame assembly is made up of balancing frame body (3), side cover (4), sunk screw (7), benchmark bolt (8); Main installing component comprises round nut (2), installing ring (5), both shoulders sleeve (6) etc.;
The feature of balancing frame body (3) is Internal and external cycle is all dentalations, external toothing inferior body processes the uneven hole (A1) of a shape of threads apart from the suitable radius of disk center, two sides central part respectively processes a side cover mounting groove (A3), processing 8 threaded holes (A2) in mounting groove; Benchmark bolt (8) is fixed by uneven hole (A1) and balancing frame body (3), the intrinsic unbalance mass, being equivalent to balancing frame assembly of poor quality in base bolt (8) and uneven hole (A1); The feature of side cover (4) is the symmetrical disk-like structure of band center pit, and dish evenly processes four mounting holes (A4); Side cover (4) is fixed by four sunk screws (7) and balancing frame body (3); The feature of installing ring (5) is the symmetrical loop configuration of the overhanging elastic claw of band (A5), and four elastic claws (A5) are uniformly distributed along endless belt circumference; Installing ring (5) is built between balancing frame body (3) inside and two side covers (4), four elastic claws (A5) are engaged with balancing frame body (3) internal ring gear, form ratchet and pawl arrangement, when normally working, drive balancing frame assembly and main shaft (1) synchronous rotary by ratchet and pawl arrangement; The feature of both shoulders sleeve (6) is overall processing symmetrical structure; Installing ring (5) is installed on the shoulder of both shoulders sleeve (6) by interference fit, be clearance fit between the shoulder of side cover (4) and both shoulders sleeve (6); Both shoulders sleeve (6) is installed on the shoulder of main shaft (1) by interference fit, and realizes axial restraint by round nut (2);
Nozzle mechanism is made up of nozzle (9), gland (10), nozzle holder (11), support (12), base (13) and sunk screw (14); Nozzle (9) is overall processing parts, processing criterion pipe adapter (A6) and nozzle screens groove (A7) in profile, nozzle screens groove (A7) is placed in the half slot (A8) of nozzle holder (11) and gland (10), and is fixed by unthreaded hole (A10) and threaded hole (A9) by sunk screw (14); Nozzle holder (11), support (12) and base (13) are overall processing formula structure; Nozzle mechanism installs the below with balancing frame assembly by base (13); When balancing frame assembly needs adjustment relative to the radial position of main shaft (1) reference point, air pulse sprays to the dentation outer rim of balancing frame body (3) by nozzle (9), and an air pulse promotes the angle that balancing frame body (3) slips over elastic claw (A5) internal tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520047216.3U CN204346641U (en) | 2015-01-23 | 2015-01-23 | A kind of Purely mechanical high speed chief axis on-line dynamic poise head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520047216.3U CN204346641U (en) | 2015-01-23 | 2015-01-23 | A kind of Purely mechanical high speed chief axis on-line dynamic poise head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346641U true CN204346641U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520047216.3U Withdrawn - After Issue CN204346641U (en) | 2015-01-23 | 2015-01-23 | A kind of Purely mechanical high speed chief axis on-line dynamic poise head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999330A (en) * | 2015-07-08 | 2015-10-28 | 沈阳建筑大学 | Main shaft-inlaid mechanical online dynamic balance device |
| CN105865715A (en) * | 2015-01-23 | 2016-08-17 | 天津职业技术师范大学 | Active high-speed spindle on-line dynamic balancing head and control system thereof |
-
2015
- 2015-01-23 CN CN201520047216.3U patent/CN204346641U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865715A (en) * | 2015-01-23 | 2016-08-17 | 天津职业技术师范大学 | Active high-speed spindle on-line dynamic balancing head and control system thereof |
| CN105865715B (en) * | 2015-01-23 | 2018-02-02 | 天津职业技术师范大学 | A kind of active high speed chief axis on-line dynamic poise head and its control system |
| CN104999330A (en) * | 2015-07-08 | 2015-10-28 | 沈阳建筑大学 | Main shaft-inlaid mechanical online dynamic balance device |
| CN104999330B (en) * | 2015-07-08 | 2017-05-24 | 沈阳建筑大学 | Main shaft-inlaid mechanical online dynamic balance device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20180202 |