CN205629976U - Rotary worktable's brake mechanism - Google Patents
Rotary worktable's brake mechanism Download PDFInfo
- Publication number
- CN205629976U CN205629976U CN201620381459.5U CN201620381459U CN205629976U CN 205629976 U CN205629976 U CN 205629976U CN 201620381459 U CN201620381459 U CN 201620381459U CN 205629976 U CN205629976 U CN 205629976U
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- brake block
- piston
- cylinder body
- moves
- brake
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Abstract
The utility model discloses a rotary worktable's brake mechanism, including frame, the revolving axle of pin joint in the frame, set firmly in the epaxial brake base of gyration to and set firmly that move the brake block and the second moves the brake block in brake first on the base, the first outside of moving the brake block is equipped with first cylinder body, and the outside that the second moved the brake block is equipped with the second cylinder body, and accommodation space internal fixation between first cylinder body and the second cylinder body is equipped with a quiet brake block, and the one end of quiet brake block stretches into that first move the brake block and the second moves between the brake block, be equipped with first piston chamber and second piston chamber in first cylinder body and the second cylinder body respectively, first piston intracavity and second piston intracavity are provided with first piston and second piston respectively. The utility model discloses a brake mechanism, solved the revolving platform unclamp with lock status under the axial float problem of revolving axle system, simple structure, effectual, the stable performance of braking.
Description
Technical field
This utility model relates to field of machine tool equipment, particularly relates to the brake of a kind of rotary table
Mechanism.
Background technology
At present, in traditional rotary table, its braking mechanism typically uses single-piston to stop
Car, under braking state, due to brake block one side stress, thus causes brake block to be deformed
Eventually rotary axis system is produced an axial force.So unclamp and locking state at rotary table
Under, rotary axis system reagent can produce an axial float difference, so in reality is processed, and meeting
Cause machining accuracy not enough.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of revolution
The braking mechanism of workbench, this braking mechanism can solve to unclamp and rotary axis system under locking state
Axial float problem.
The purpose of this utility model realizes by the following technical solutions:
A kind of braking mechanism of rotary table, including frame, the gyroaxis being articulated in frame,
The brake base being fixedly arranged on gyroaxis, and first be fixedly arranged on brake base move brake block
Brake block is moved with second；
Described first outside moving brake block is provided with the first cylinder body, and described second moves outside brake block
Side is provided with the second cylinder body, forms a receiving space, institute between described first cylinder body and the second cylinder body
State first one end moving brake block and second one end moving brake block and be positioned at this receiving space；Should
Accommodating in space and be fixed with a quiet brake block, one end of described quiet brake block is stretched into first and dynamic is stopped
Car sheet and second moves between brake block, and this quiet brake block and first moves brake block, the second dynamic brake
Sheet has a lap in the projection being perpendicular in the plane that gyroaxis is axial；Described first cylinder
Body is provided with first piston chamber corresponding to the position of this lap, and described first piston intracavity is arranged
There is first piston；Described second cylinder body is provided with the second piston corresponding to the position of this lap
Chamber, is provided with the second piston in described second plunger shaft；
When first piston and the second piston respectively close to and extrude first and move brake block and second and move
Brake block so that first moves brake block and second moves brake block when clamping quiet brake block, turns round work
Station is stopped the rotation；Brake block and second is moved when first piston and the second piston are respectively further from first
During dynamic brake block, first moves brake block and second moves disengaging between brake block and quiet brake block, returns
Revolving worktable restarts to rotate.
Preferably, first move brake block and second move be fixed with between brake block a brake every
Sheet.
Preferably, described quiet brake block, first move brake block and second and move brake block and be at least
Two, described quiet brake block, first move brake block and second and move the brake block axle along gyroaxis
To being arranged alternately.Multiple quiet brake blocks can increase and stop together with being arranged alternately with dynamic brake block
Frictional force during car.
In this programme, described first piston chamber and the second plunger shaft are by admission line and the external world
Feeder is connected.Preferably, described admission line includes main air inlet pipe, first air inlet
Pipe and second air inlet pipe, one end of described main air inlet pipe is connected with extraneous feeder,
The other end connects first air inlet pipe and second air inlet pipe respectively, described first air inlet pipe with
First piston chamber is connected, and described second air inlet pipe is connected with the second plunger shaft.
Preferably, described first cylinder body and the second cylinder body are fixedly connected with in frame.
Preferably, described braking mechanism also includes the first elastic reset being arranged on the first cylinder body
Device and the second elasticity reset device being arranged on the second cylinder body, described first elastic reset dress
Put for making first piston move brake block away from first；Described second elasticity reset device is used for making
Second piston moves brake block away from second.
In this programme, described braking mechanism also includes bearing, encoder bases and encoder,
Described bearing is fixed on gyroaxis；Described encoder bases is fixed on first and moves on brake block,
Described encoder is fixed on encoder bases.
Compared to existing technology, the beneficial effects of the utility model are:
The braking mechanism of rotary table of the present utility model, by moving outside brake block first
Side and second is moved the outside of brake block and is all provided with piston so that when brake, brake block both sides are subject to
Power equalizes, it is to avoid brake block is deformed, thus solves rotary table and unclamp and locking state
The axial float problem of lower rotary axis system；Additionally, braking mechanism simple in construction of the present utility model,
Braking effect is good, stable performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
In figure: 10, frame；11, the first cylinder body；12, the second cylinder body；130, first live
Plug chamber；131, the second plunger shaft；14, main air inlet pipe；140, first air inlet pipe；141、
Second air inlet pipe；20, gyroaxis；30, brake base；40, quiet brake block；50,
One moves brake block；51, second brake block is moved；52, brake partition；60, encoder bases；
61, encoder；70, first piston；71, the second piston；80, the first elastic reset dress
Put；81, the second elasticity reset device；90, bearing.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further:
As depicted in figs. 1 and 2, the braking mechanism of a kind of rotary table, including frame 10,
The gyroaxis 20 being articulated in frame 10, the brake base 30 being fixedly arranged on gyroaxis 20,
And first be fixedly arranged on brake base 30 moves brake block 50 and second and moves brake block 51；
Described first outside moving brake block 50 is provided with the first cylinder body 11, the described second dynamic brake
The outside of sheet 51 is provided with the second cylinder body 12, between described first cylinder body 11 and the second cylinder body 12
Forming a receiving space, brake block 51 is moved in described first one end and second moving brake block 50
One end is positioned at this receiving space；A quiet brake block 40, institute it is fixed with in this receiving space
State one end of quiet brake block 40 to stretch into first and move brake block 50 and second and move between brake block 51,
This quiet brake block 40 and first move brake block 50, second move brake block 51 be perpendicular to revolution
The projection in plane that axle 20 is axial has a lap；Described first cylinder body 11 corresponds to
The position of this lap is provided with first piston chamber 130, arranges in described first piston chamber 130
There is first piston 70；Described second cylinder body 12 is provided with second corresponding to the position of this lap
Plunger shaft 131, is provided with the second piston 71 in described second plunger shaft 131；
When first piston 70 and the second piston 71 respectively close to and extrude first and move brake block 50
Brake block 51 is moved so that first moves brake block 50 and second moves brake block 51 and clamp with second
During quiet brake block 40, rotary table stops the rotation；When first piston 70 and the second piston
71 are respectively further from first moves brake block 50 and second when moving brake block 51, and first moves brake block
50 and second move disengaging between brake block 51 and quiet brake block 40, and rotary table is opened again
Begin to rotate.
Further, first move brake block 50 and second and move and be fixed with one between brake block 51
Brake partition 52.
Further, described quiet brake block 40, first move brake block 50 and second and move brake block
51 are at least two, quiet brake block 40, first move brake block 50 and second and move brake block
51 being axially arranged alternately along gyroaxis 20.Multiple quiet brake blocks 40, first move brake block
50 move with second that brake block 51 is mutually folded be located at together with, frictional force during brake can be increased.
Further, described first piston chamber 130 and the second plunger shaft 131 pass through admission line
It is connected with extraneous feeder.
Further, described air inlet pipe includes 14, first air inlet pipe 140 and of main air inlet pipe
Second air inlet pipe 141, one end of described main air inlet pipe 14 is connected with the external world, the other end
Connect first air inlet pipe 140 and second air inlet pipe 141, described first air inlet pipe respectively
140 are connected with first piston chamber 130, described second air inlet pipe 141 and the second plunger shaft
131 are connected.
Further, described braking mechanism also includes the first bullet being arranged on the first cylinder body 11
Property resetting means 80 and the second elasticity reset device 81 of being arranged on the second cylinder body 12, institute
State the first elasticity reset device 80 for making first piston 70 move brake block 50 away from first；
Described second elasticity reset device 81 is used for making the second piston 71 move brake block 51 away from second.
Further, described braking mechanism also includes bearing 90, encoder bases 60 and compiles
Code device 61, described bearing 90 is fixed on gyroaxis 20；Described encoder bases 60 is fixed
Moving on brake block 50 in first, described encoder 61 is fixed on encoder bases 60.
Braking mechanism of the present utility model, when gyroaxis 20 rotates, drives first to move brake block
50 and second move brake block 51 rotates relative to quiet brake block 40；When needs brake, the
One cylinder body 11 and the second cylinder body 12 are ventilated, and first piston 70 and the second piston 71 are at air pressure
Promote lower move toward one another the most forward, prop up and compress first and move brake block 50 and second and dynamic stop
Car sheet 51, thus reached the braking effect of the locking positioning of rotary table.When needs pine
When opening brake, the first cylinder body 11 and the second cylinder body 12 pressure release, first piston 70 and second is lived
Plug 71 resets under the effect of the first elasticity reset device 80 and the second elasticity reset device 81,
First move brake block 50, second move brake block 51 and quiet brake block 40 is disengaged from unclamping,
Rotary table can rotate location again.
It will be apparent to those skilled in the art that can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to this utility model scope of the claims.
Claims (8)
1. a braking mechanism for rotary table, including frame, be articulated in frame returns
Rotating shaft, the brake base being fixedly arranged on gyroaxis, and first be fixedly arranged on brake base are dynamic
Brake block and second moves brake block；It is characterized in that:
Described first outside moving brake block is provided with the first cylinder body, and described second moves outside brake block
Side is provided with the second cylinder body, forms a receiving space, institute between described first cylinder body and the second cylinder body
State first one end moving brake block and second one end moving brake block and be positioned at this receiving space；Should
Accommodating in space and be fixed with a quiet brake block, one end of described quiet brake block is stretched into first and dynamic is stopped
Car sheet and second moves between brake block, and this quiet brake block and first moves brake block, the second dynamic brake
Sheet has a lap in the projection being perpendicular in the plane that gyroaxis is axial；Described first cylinder
Body is provided with first piston chamber corresponding to the position of this lap, and described first piston intracavity is arranged
There is first piston；Described second cylinder body is provided with the second piston corresponding to the position of this lap
Chamber, is provided with the second piston in described second plunger shaft；
When first piston and the second piston respectively close to and extrude first and move brake block and second and move
Brake block so that first moves brake block and second moves brake block when clamping quiet brake block, turns round work
Station is stopped the rotation；Brake block and second is moved when first piston and the second piston are respectively further from first
During dynamic brake block, first moves brake block and second moves disengaging between brake block and quiet brake block, returns
Revolving worktable restarts to rotate.
2. the braking mechanism of rotary table as claimed in claim 1, it is characterised in that
First moves brake block and second moves and is fixed with a brake partition between brake block.
3. the braking mechanism of rotary table as claimed in claim 1 or 2, its feature exists
In, described quiet brake block, first move brake block and second and move brake block and be at least two, institute
State quiet brake block, first move brake block and second and move brake block axially alternately setting along gyroaxis
Put.
4. the braking mechanism of rotary table as claimed in claim 1, it is characterised in that
Described first piston chamber is connected with extraneous feeder by admission line with the second plunger shaft
Logical.
5. the braking mechanism of rotary table as claimed in claim 4, it is characterised in that
Described admission line includes main air inlet pipe, first air inlet pipe and second air inlet pipe, described master
One end of air inlet pipe is connected with extraneous feeder, and the other end connects first air inlet respectively
Pipe and second air inlet pipe, described first air inlet pipe is connected with first piston chamber, and described the
Two air inlet pipe are connected with the second plunger shaft.
6. the braking mechanism of rotary table as claimed in claim 1, it is characterised in that
Described first cylinder body and the second cylinder body are fixedly connected with in frame.
7. the braking mechanism of rotary table as claimed in claim 1, it is characterised in that
Described braking mechanism also includes the first elasticity reset device and the setting being arranged on the first cylinder body
The second elasticity reset device on the second cylinder body, described first elasticity reset device is used for making
One piston moves brake block away from first；Described second elasticity reset device is used for making the second piston remote
Brake block is moved from second.
8. the braking mechanism of rotary table as claimed in claim 1, it is characterised in that
Described braking mechanism also includes that bearing, encoder bases and encoder, described bearing are fixed on
On gyroaxis；Described encoder bases is fixed on first and moves on brake block, and described encoder is fixed
On encoder bases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381459.5U CN205629976U (en) | 2016-04-28 | 2016-04-28 | Rotary worktable's brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381459.5U CN205629976U (en) | 2016-04-28 | 2016-04-28 | Rotary worktable's brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205629976U true CN205629976U (en) | 2016-10-12 |
Family
ID=57061060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620381459.5U Active CN205629976U (en) | 2016-04-28 | 2016-04-28 | Rotary worktable's brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205629976U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695351A (en) * | 2017-02-28 | 2017-05-24 | 广州市昊志机电股份有限公司 | Rotating table structure with external braking mechanism |
| CN107932156A (en) * | 2017-12-28 | 2018-04-20 | 广州群创数控机床有限公司 | It is a kind of can automatic indexing and clamping work spindle |
| CN110757183A (en) * | 2019-11-27 | 2020-02-07 | 哈尔滨理工大学 | Double-layer elastic sheet clamp |
| CN113915254A (en) * | 2021-09-03 | 2022-01-11 | 沃世机械(江苏)有限公司 | Index plate brake structure |
| CN114713862A (en) * | 2022-04-21 | 2022-07-08 | 深圳市爱贝科精密工业股份有限公司 | Built-in brake mechanism for lathe spindle |
-
2016
- 2016-04-28 CN CN201620381459.5U patent/CN205629976U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695351A (en) * | 2017-02-28 | 2017-05-24 | 广州市昊志机电股份有限公司 | Rotating table structure with external braking mechanism |
| CN107932156A (en) * | 2017-12-28 | 2018-04-20 | 广州群创数控机床有限公司 | It is a kind of can automatic indexing and clamping work spindle |
| CN110757183A (en) * | 2019-11-27 | 2020-02-07 | 哈尔滨理工大学 | Double-layer elastic sheet clamp |
| CN113915254A (en) * | 2021-09-03 | 2022-01-11 | 沃世机械(江苏)有限公司 | Index plate brake structure |
| CN114713862A (en) * | 2022-04-21 | 2022-07-08 | 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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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |