CN207730444U - Gear hobbing machine knife frame test platform - Google Patents
Gear hobbing machine knife frame test platform Download PDFInfo
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- CN207730444U CN207730444U CN201820194832.5U CN201820194832U CN207730444U CN 207730444 U CN207730444 U CN 207730444U CN 201820194832 U CN201820194832 U CN 201820194832U CN 207730444 U CN207730444 U CN 207730444U
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- gear
- hobbing machine
- current brake
- gear hobbing
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Abstract
The utility model discloses a kind of gear hobbing machine knife frame test platforms, belong to measurement and control area, including lathe bed, mounting seat, big column, slide plate, test knife rest and electric eddy current brake, test knife rest is made of the main motor, gear-box, test knife bar being drivingly connected successively, and test knife bar is being connected to electric eddy current brake output shaft by torque speed sensor away from the free end of gear-box main shaft and Circular gratings are arranged in the fixing end close to gear-box main shaft.The gear hobbing machine knife frame test platform of the utility model is the test platform for simulating manufacturing gear for hobbing machine operating mode to test knife rest torque load by electric eddy current brake, while the test platform also can detect gear hobbing machine knife frame gearbox drive precision in unloaded and load.
Description
Technical field
The utility model belongs to observation and control technology field, is related to experimental rig, and in particular to a kind of gear hobbing machine knife frame test is flat
Platform.
Background technology
Knife rest is that numerically-controlled machine tool is most important and be a most complicated component again, answering extensively on high-performance lathe
With not only increasing processing efficiency and machining accuracy, reduce production cost, also for the same of the huge material wealth of social creativity
When, new technology and new diseases and popularization are also more promoted, and driven the fast development of related industry.However knife
The reliability level of frame directly affects the reliability level of numerically-controlled machine tool, but takes since the Field tracing test of knife rest is time-consuming
Power, and be difficult to obtain a large amount of fault data in the short time.So itself handling characteristics based on knife rest, it can be individually to it
Carry out continuous reliability test.Its test efficiency can be thus improved, human and material resources are saved.Therefore, for knife rest can
It is to be worth research by property pilot system.
Utility model content
In view of this, one of the utility model aim is to provide a kind of gear hobbing machine knife frame test platform, to solve to rolling
Tooth cutter holder carries out torsion loading experiment and detects its transmission when carrying out unloaded and loading experiment to gear hobbing machine knife frame gear-box
Precision.
Following technical solution that in order to achieve the above object, the utility model provides：
A kind of gear hobbing machine knife frame test platform of the utility model offer, including lathe bed, the fixed mounting seat on lathe bed,
The big column being slidably installed by X-axis servo motor on lathe bed, the cunning being slidably installed by Z axis servo motor on big column
Plate, the fixed test knife rest on slide plate, the electric eddy current brake being fixedly mounted in mounting seat, test knife rest by driving successively
Main motor, gear-box, the test knife bar composition of dynamic connection, test knife bar are passing through torque axis away from the free end of gear-box main shaft
Fast sensor is connected to electric eddy current brake output shaft and Circular gratings is arranged in the fixing end close to gear-box main shaft.
Further, further include firm banking, for electric eddy current brake on firm banking, firm banking passes through T-slot
Screw is fixed in mounting seat.
Further, further include positioning base, be made of mounting base, base, pedestal, mounting base is connected to pedestal by base
On, pedestal is fixed on by T-type screw in mounting seat, and Circular gratings side head is fixed in mounting base, and base is for adjusting round light
The position of grid side head and grating disc.
Further, further include adjustment base, be made of adjusting seat, transition seat, pedestal, pedestal is fixed on by T-type screw
In mounting seat, adjusting seat is used to adjust torque speed sensor and tests the concentric of knife bar, and pedestal is connected to by transition seat
On.
Further, the torque speed sensor both ends by first shaft coupling and second shaft coupling respectively with test knife
Bar and electric eddy current brake export axis connection.
Further, the test knife bar, torque speed sensor, electric eddy current brake output shaft and gear-box main shaft are same
Axis is arranged.
Further, further include the temperature sensor being arranged at gear-box main shaft bearing.
The utility model has the beneficial effects that：The gear hobbing machine knife frame test platform of the utility model is by electric eddy current brake
Simulate test platform of the manufacturing gear for hobbing machine operating mode to test knife rest torque load, at the same the test platform also can unloaded and
Gear hobbing machine knife frame gearbox drive precision is detected when load.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is realized and is obtained.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is novel to be preferably described in detail, wherein：
Fig. 1 is the structural upright schematic diagram of the utility model gear hobbing machine knife frame test platform；
Fig. 2 is the test method flow chart of the utility model gear hobbing machine knife frame test platform.
Specific implementation mode
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In novel description, it is to be understood that if having the instructions such as term "upper", "lower", "left", "right", "front", "rear" orientation or
Position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
It does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as the limitation to this patent, for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term can be understood as the case may be.
Referring to Fig. 1, the element numbers in attached drawing indicate respectively：Lathe bed 1, X-axis servo motor 2, big column 3, slide plate 4, Z
Axis servo motor 5, first shaft coupling 6, test knife bar 7, main motor 8, test knife rest 9, temperature sensor 10, Circular gratings 11, peace
Fill seat 12, base 13, pedestal 14, mounting seat 15, torque speed sensor 16, adjusting seat 17, transition seat 18, pedestal 19, the
Two shaft couplings 20, firm banking 21, electric eddy current brake 22.
Embodiment is substantially as shown in the picture：Gear hobbing machine knife frame test platform provided in this embodiment, including lathe bed 1, in bed
Fixed mounting seat 15, the big column 3 being slidably installed by X-axis servo motor 2 on lathe bed 1 on body 1, on big column 3
The slide plate 4 that is slidably installed by Z axis servo motor 5, on slide plate 4 fixed test knife rest 9 and in mounting seat 15 it is solid
Dingan County dress electric eddy current brake 22, test knife rest 9 by be drivingly connected successively main motor 8, gear-box (not shown), test knife
Bar 7 forms, and test knife bar 7 is being connected to current vortex braking away from the free end of gear-box main shaft by torque speed sensor 16
22 output shaft of device and Circular gratings 11 are set in the fixing end close to gear-box main shaft；Specifically, electric eddy current brake 22 is mounted on
On firm banking 21, and firm banking 21 is fixed on by T-slot screw in mounting seat 15；By mounting base 12, base 13, bottom
The positioning base of 14 composition of seat, the position for adjusting 11 side of Circular gratings head and grating disc, mounting base 12 are connected by base 13
It is connected on pedestal 14, and pedestal 14 is fixed on by T-type screw in mounting seat 15,11 side of Circular gratings head is fixed on mounting base 12
On；The adjustment base being made of adjusting seat 17, transition seat 18, pedestal 19, for adjusting torque speed sensor 16 and test knife
Bar 7 it is concentric, pedestal 19 is fixed on by T-type screw in mounting seat 15, and adjusting seat 17 is connected to by transition seat 18
On pedestal 19；11 both ends of torque speed sensor by first shaft coupling 6 and second shaft coupling 20 respectively with test knife bar 7 and electricity
Eddy-current brake 22 exports axis connection, and tests knife bar 7, torque speed sensor 11,22 output shaft of electric eddy current brake and tooth
Roller box main shaft is coaxially disposed.Using the above scheme, the gear hobbing machine knife frame test platform of the utility model is by electric eddy current brake
Simulate test platform of the manufacturing gear for hobbing machine operating mode to test knife rest torque load, at the same the test platform also can unloaded and
Gear hobbing machine knife frame gearbox drive precision is detected when load.
Z axis height drives slide plate to move up and down to adjust Z axis position by Z axis servo motor when installation, and X-axis position passes through
X-axis servo motor drives big column movement to adjust X-axis position and fixation.When installation, test knife bar, torque speed sensor,
Electric eddy current brake output shaft is both needed to concentric with the gear-box main shaft of test knife rest, and adjusts torque axis by mobile adjusting seat
Fast sensor is concentric with test knife bar, and the position of high accuracy circular grating side head and grating disc is adjusted by the height of reconditioning base
It sets.
Test platform in the present embodiment further includes the temperature sensor 10 being arranged at gear-box main shaft bearing.It can measure
Gear-box main shaft bearing temperature value under the load of knife rest torque, convenient for the transmission accuracy of research knife rest.
The test method of this test platform under elaboration in detail below, as shown in Fig. 2, specifically including：
1, knife rest torque load test：
The main motor rotation of machine tool numerical control system control test knife rest, and the gear-box by testing knife rest is transmitted to gear
Then case main shaft is transmitted to test knife bar again, and test knife bar and connect with torque speed sensor by first shaft coupling, simultaneously
Torque sensor is connect by second shaft coupling with electric eddy current brake.The test system of lathe is then made by controlling electric parameter
It obtains torque when electric eddy current brake carries out simulation gear hobbing process to test knife bar to load, load numerical value is passed by torque rotating speed
Sensor feeds back to test system and is analyzed.And the rotating speed of main motor in digital control system is read by signal exchange by test system
Then parameter is handled by special two groups of signals of data processing software pair.
2, the gearbox drive error testing under the load of knife rest torque：
The main motor rotation of machine tool numerical control system control test knife rest, and the gear-box by testing knife rest is transmitted to gear
Case main shaft is then passed to test knife bar, and tests knife bar and connect with torque speed sensor by first shaft coupling, turns round simultaneously
Square sensor is connect by second shaft coupling with electric eddy current brake.The test system of lathe is then made by controlling electric parameter
Torque when electric eddy current brake carries out simulation gear hobbing process to test knife bar loads, and load numerical value passes through torque revolution speed sensing
Device feeds back to test system and is analyzed.Meanwhile because being equipped with high-precision Circular gratings on test knife bar, Circular gratings are turned
Angle signal parameter is transmitted to test system, and is read in machine tool numerical control system by signal exchange by test system and test knife rest
Then the rotational parameters of main motor are handled by special two groups of signals of data processing software pair, obtain test knife rest and turn round
Gearbox drive error value under square load.Similarly, when unloaded, gearbox drive error testing can be also carried out, only needs second
Shaft coupling is disconnected with electric eddy current brake or electric eddy current brake is not loaded with.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the right of the utility model.
Claims (7)
1. gear hobbing machine knife frame test platform, including lathe bed (1), which is characterized in that the fixed mounting seat (15) on lathe bed,
The big column (3) being slidably installed by X-axis servo motor (2) on lathe bed is slided on big column by Z axis servo motor (5)
The slide plate (4) of installation, fixed test knife rest (9), the electric eddy current brake being fixedly mounted in mounting seat on slide plate
(22), test knife rest by be drivingly connected successively main motor (8), gear-box, test knife bar (7) form, test knife bar away from
The free end of gear-box main shaft by torque speed sensor (16) is connected to electric eddy current brake output shaft and close to gear
The fixing end setting Circular gratings (11) of case main shaft.
2. gear hobbing machine knife frame test platform according to claim 1, which is characterized in that further include firm banking (21), electricity
Eddy-current brake is mounted on firm banking, and firm banking is fixed on by T-slot screw in mounting seat.
3. gear hobbing machine knife frame test platform according to claim 1, which is characterized in that further include positioning base, by installing
Seat (12), base (13), pedestal (14) composition, mounting base are connected to by base on pedestal, and pedestal is fixed on by T-type screw
In mounting seat, Circular gratings side head is fixed in mounting base, and base is used to adjust the position of Circular gratings side head and grating disc.
4. gear hobbing machine knife frame test platform according to claim 1, which is characterized in that further include adjustment base, by adjusting
Seat (17), transition seat (18), pedestal (19) composition, pedestal are fixed on by T-type screw in mounting seat, and adjusting seat is for adjusting
Torque speed sensor is concentric with test knife bar, is connected on pedestal by transition seat.
5. gear hobbing machine knife frame test platform according to claim 1, which is characterized in that the torque speed sensor two
End exports axis connection with test knife bar and electric eddy current brake respectively by first shaft coupling (6) and second shaft coupling (20).
6. gear hobbing machine knife frame test platform according to claim 5, which is characterized in that the test knife bar, torque axis
Fast sensor, electric eddy current brake output shaft and gear-box main shaft are coaxially disposed.
7. according to claim 1-6 any one of them gear hobbing machine knife frame test platforms, which is characterized in that further include in gear-box
The temperature sensor (10) being arranged at main shaft bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820194832.5U CN207730444U (en) | 2018-02-05 | 2018-02-05 | Gear hobbing machine knife frame test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820194832.5U CN207730444U (en) | 2018-02-05 | 2018-02-05 | Gear hobbing machine knife frame test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730444U true CN207730444U (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820194832.5U Active CN207730444U (en) | 2018-02-05 | 2018-02-05 | Gear hobbing machine knife frame test platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562425A (en) * | 2018-02-05 | 2018-09-21 | 重庆机床(集团)有限责任公司 | Gear hobbing machine knife frame test platform and its test method |
-
2018
- 2018-02-05 CN CN201820194832.5U patent/CN207730444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562425A (en) * | 2018-02-05 | 2018-09-21 | 重庆机床(集团)有限责任公司 | Gear hobbing machine knife frame test platform and its test method |
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