CN208977379U - Main shaft brake system - Google Patents
Main shaft brake system Download PDFInfo
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- CN208977379U CN208977379U CN201821630437.3U CN201821630437U CN208977379U CN 208977379 U CN208977379 U CN 208977379U CN 201821630437 U CN201821630437 U CN 201821630437U CN 208977379 U CN208977379 U CN 208977379U
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- main shaft
- brake
- block
- brake system
- oil cylinder
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Abstract
The utility model discloses a kind of main shaft brake system, brake block is fixed on main shaft, brake system is equipped with driving device, resetting apparatus and frictional disk, and driving device drives frictional disk close to brake block, frictional disk and brake block face contact；Resetting apparatus pushes frictional disk to separate with brake block；Frictional disk is separated with brake block.Using the technical solution of the utility model, electric spindle of lathe Quick brake is realized, hydraulic device power is big, and brakes using face contact, can be firmly by principal shaft locking, good braking effect.
Description
Technical field
The utility model relates to a kind of main shaft brake system of lathe.
Background technique
The brake apparatus of electric main shaft of digital control machine tool mostly uses greatly mechanical brake or fluid brake, but substantially adopts
It is braked with single-contact.
Patent CN203579293U discloses a kind of main shaft brake system, including brake disc, hydraulic cylinder, left brake pin
Axis, right brake pin shaft, oil cylinder seat, oil supply system；Oil cylinder seat fixed setting；Hydraulic cylinder is mounted on oil cylinder seat, hydraulic cylinder
It is connect with oil supply system；Left brake pin shaft and right brake pin shaft are located at the two sides of brake disc, left brake pin shaft and right brake
Pin shaft is connect with the piston rod of hydraulic cylinder, and left brake pin shaft and right brake pin shaft are movably connected on oil cylinder seat.
Hydraulic cylinder includes left hydraulic cylinder and right hydraulic cylinder, and left hydraulic cylinder and right hydraulic cylinder are located at brake
The two sides of disk；Left brake pin shaft is connect with the piston rod of left hydraulic cylinder, and the piston rod of right brake pin shaft and right hydraulic cylinder connects
It connects.
For above-mentioned patent in brake, left brake pin shaft, right brake pin shaft pass through left brake with brake disc point contact
Pin shaft, right brake pin shaft compress brake disc, so that brake disc is stopped operating, to achieve the purpose that main shaft stops operating.
Single-contact brake in the prior art is main shaft after spindle motor shutdown, since the moment of inertia is big, the master of rotation
Axis is difficult quickly to stop operating, and braking effect is poor, influences lathe and quickly positions, and has a certain impact to the stability of lathe.Especially
It is to need main shaft to stop operating and securely lock in aperture of the numerically-controlled machine tool in processing end face, existing main shaft brake system
System is not able to satisfy the requirement of fine design manufacture.
Utility model content
For the single-contact brake of machine tool chief axis in the prior art, the technical problem of braking effect difference, the utility model
Patent provides a kind of brake system of face contact.
Main shaft brake system fixes brake block on main shaft, and brake system is equipped with driving device, resetting apparatus and frictional disk,
Driving device drives frictional disk close to brake block, frictional disk and brake block face contact；Resetting apparatus pushes frictional disk far from brake
Piece, frictional disk are separated with brake block.
Further, driving device is fluid pressure drive device.
Further, the cylinder block of fluid pressure drive device is fixed on oil cylinder pedestal, and oil cylinder pedestal is fixed on bearing block
On, frictional disk is oil cylinder piston, and hydraulic oil pushes oil cylinder piston to move to brake block direction, oil cylinder piston and 360 ° of faces of brake block
Contact.
Further, cylinder block is connect with oil supply system.
Further, resetting apparatus is spring, and spring is circumferentially distributed along oil cylinder piston, and totally 16 springs, spring one end are solid
It is scheduled on oil cylinder piston, the other end is fixed on bearing block.
Further, under non-brake state, brake block is rotated together with main shaft；Under on-position, hydraulic oil pushes oil cylinder
The power and 360 ° of face contacts of brake block of piston overpowers spring increase frictional force, oil cylinder by increasing the rubbing surface of brake block
Piston is lasting to apply pressure to brake block, and the frictional force of brake block and oil cylinder piston is gradually increased, and brake block is finally rubbing
It under the action of power, stops operating, main shaft is firmly locked by frictional force.In cylinder block after emptying, work of the oil cylinder piston in spring
Under, it is gradually distance from brake block, main shaft can be with normal rotation.
Further, brake system is arranged far from the another side of the power intake of main shaft.
Using the technical solution of the utility model, electric spindle of lathe Quick brake is realized, hydraulic device power is big, and existing
Brake block is usually point contact in technology, and frictional force is small, and the utility model realizes the face contact of brake block, and brake system can be firmly
Ground is by principal shaft locking, good braking effect.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the cross-sectional view of an embodiment of the present invention main shaft brake system.
Fig. 2 is the partial enlarged view of the cross-sectional view of mono- embodiment main shaft brake system of Fig. 1.
Wherein, the above drawings include the following reference numerals:
Main shaft 1
Brake block 2
Spring 3
Oil cylinder piston 4
Oil cylinder pedestal 5
Cylinder block 6
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
Referring to Figure 1 and Fig. 2, main shaft brake system fixes brake block 2 on main shaft 1, and brake system is equipped with cylinder block 6,
Cylinder block 6 is fixed on oil cylinder pedestal 5, and oil cylinder pedestal 5 is fixed on bearing block, and oil cylinder piston 4 is arranged in cylinder block 6
Interior, hydraulic oil pushes oil cylinder piston 4 to move to 2 direction of brake block, and oil cylinder piston 4 is contacted with brake block 2.
3 one end of spring is fixed on oil cylinder piston 4, and the other end is fixed on bearing block.Spring 3 is circumferential along oil cylinder piston 4
It is distributed, totally 16 springs.
Cylinder block is connect with oil supply system (not shown).
Under non-brake state, brake block 2 is rotated together with main shaft 1；Under on-position, hydraulic oil pushes 4 grams of oil cylinder piston
The power for taking spring 3 planar contacts for 360 degree with brake block 2, and oil cylinder piston 4 is lasting to apply pressure, brake block to brake block 2
2 are gradually increased with the frictional force of oil cylinder piston 4, and brake block 2 finally under the action of frictional force, stops operating, and frictional force will be led
Axis 1 is firmly locked.In cylinder block 6 after emptying, oil cylinder piston 4 is gradually distance from brake block 2, main shaft can under the action of spring 3
1 with normal rotation.
Brake system is arranged far from the another side of the power intake of main shaft 1.
Above-described embodiment is the preferred embodiment of the utility model, and the utility model can also have other embodiments.Ability
The technical staff in domain can also make equivalent deformation or replacement without departing from the spirit of the present invention, these equivalent changes
Type or replacement are all contained in range set by the claim of this application.
Claims (9)
1. a kind of main shaft brake system, brake block is fixed on main shaft, which is characterized in that brake system is equipped with driving device, resets
Device and frictional disk, the driving device drive the frictional disk close to brake block, the frictional disk and unilateral connect of braking
Touching；The resetting apparatus pushes the frictional disk to separate with the brake block；The frictional disk is separated with the brake block.
2. main shaft brake system according to claim 1, which is characterized in that the driving device is fluid pressure drive device.
3. main shaft brake system according to claim 2, which is characterized in that the cylinder block of the fluid pressure drive device is solid
It is scheduled on oil cylinder pedestal, the oil cylinder pedestal is fixed on bearing block, and the frictional disk is oil cylinder piston, and the hydraulic oil pushes
Oil cylinder piston is moved to brake block direction, oil cylinder piston and 360 ° of face contacts of brake block.
4. main shaft brake system according to claim 3, which is characterized in that the cylinder block is connect with oil supply system.
5. main shaft brake system according to claim 1, which is characterized in that the resetting apparatus is spring.
6. main shaft brake system according to claim 5, which is characterized in that the spring is located at master there are two setting
The two sides of axis.
7. main shaft brake system according to claim 6, which is characterized in that the spring one end is fixed on oil cylinder piston
On, the other end is fixed on bearing block.
8. main shaft brake system according to claim 3, which is characterized in that under non-brake state, the brake block and master
Axis rotates together with；Under on-position, oil cylinder piston and 360 degree of face contacts of brake block.
9. main shaft brake system according to claim 1-8, which is characterized in that the brake system is arranged remote
The another side of power intake from main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630437.3U CN208977379U (en) | 2018-10-09 | 2018-10-09 | Main shaft brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630437.3U CN208977379U (en) | 2018-10-09 | 2018-10-09 | Main shaft brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208977379U true CN208977379U (en) | 2019-06-14 |
Family
ID=66786671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821630437.3U Active CN208977379U (en) | 2018-10-09 | 2018-10-09 | Main shaft brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208977379U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048446A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Main shaft brake system |
| CN110814794A (en) * | 2019-11-26 | 2020-02-21 | 哈尔滨理工大学 | Hydraulic clamp |
| CN114147245A (en) * | 2021-11-22 | 2022-03-08 | 深圳市爱贝科精密工业股份有限公司 | Built-in brake mechanism for lathe spindle |
-
2018
- 2018-10-09 CN CN201821630437.3U patent/CN208977379U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048446A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Main shaft brake system |
| CN110814794A (en) * | 2019-11-26 | 2020-02-21 | 哈尔滨理工大学 | Hydraulic clamp |
| CN114147245A (en) * | 2021-11-22 | 2022-03-08 | 深圳市爱贝科精密工业股份有限公司 | Built-in brake mechanism for lathe spindle |
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