CN206567827U - A kind of braking mechanism external turntable structure - Google Patents
A kind of braking mechanism external turntable structure Download PDFInfo
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- CN206567827U CN206567827U CN201720185747.8U CN201720185747U CN206567827U CN 206567827 U CN206567827 U CN 206567827U CN 201720185747 U CN201720185747 U CN 201720185747U CN 206567827 U CN206567827 U CN 206567827U
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- braking mechanism
- brake block
- gyroaxis
- piston
- turntable
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Abstract
The utility model discloses a kind of braking mechanism external turntable structure, including a turntable and a braking mechanism, turntable includes a main body, single-revolution axle and a bonnet, main body is fixedly installed in a workbench, gyroaxis is rotatablely installed in main body, bonnet is fixedly installed in main body, gyroaxis stretches out from bonnet, braking mechanism includes an at least piston, an at least brake block and at least a rubbing surface, an at least brake block is located between an at least piston and an at least rubbing surface, at least a brake block is fixedly installed in gyroaxis, at least a rubbing surface is fixedly installed in workbench, an at least piston is axially moved along gyroaxis makes an at least brake block be contradicted with an at least rubbing surface.Above-mentioned braking mechanism is arranged at outside turntable, is easy to repair and is changed, eliminate because abrasion produce impurity can caused by potential safety hazard, the braking mechanism of different structure can be installed according to demand.
Description
Technical field
The utility model is related to field of machining, more particularly, to a kind of turntable structure.
Background technology
In mechanical processing process, the general clamping of workpiece carries out the processing such as turning on turntable.Existing turntable is first passed through
Rotary disk is positioned at required position by control system, and then braking mechanism ventilation or oil promote piston to be axially moved, will be with revolution
The brake block of axle connection patch completely because the effect of frictional force can produce enough braking torques with this extremely with rubbing surface, resisting
The cutting force and tilting moment produced in work, the brake modes of this mechanical structure can ensure the solid and reliable of brake and not disappear
Any electric power is consumed, has been used widely at present.
But existing turntable braking mechanism is located inside turntable structure, there is following defect：
1. built-in braking mechanism is required for certain to product design, part processing precision, assembling means, detection method etc.
It is required that, operate relatively complicated, difficulty；
2. brake block is vulnerable part, needs to carry out replacing maintenance after the life-span is reached, such a structure need to be by after machine under turntable
Dismantle turntable and change upper machine after spare and accessory parts, then assembling test, such a maintenance mode is cumbersome, and takes time and effort；
3. unavoidably can be because of the fraction of impurity of abraded product in the brake block course of work, length can enter turntable bearing or electricity long afterwards
Inside machine, certain potential safety hazard is caused；
4. shaped after such a braking mechanism is installed, flexibility is poor, part processing mode need not brake work.
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 braking mechanism external turntable
Structure.
The purpose of this utility model is realized using following technical scheme：
A kind of braking mechanism external turntable structure, including a turntable and a braking mechanism, the turntable include a main body,
Single-revolution axle and a bonnet, the main body are fixedly installed in a workbench, and the gyroaxis is rotatablely installed in the main body, described
Bonnet is fixedly installed in the main body, and the gyroaxis stretches out from the bonnet, and the braking mechanism includes an at least piston, extremely
Few a brake block and an at least rubbing surface, an at least brake block are located at an at least piston and an at least rubbing surface
Between, an at least brake block is fixedly installed in the gyroaxis, and an at least rubbing surface is fixedly installed in the work
Platform, an at least piston is axially moved along the gyroaxis makes an at least brake block be supported with an at least rubbing surface
Touch.
It is preferred that, the braking mechanism also includes an installation portion, and an at least brake block is fixed with the installation portion to be connected
Connect, the installation portion is fixedly installed in the gyroaxis.
It is preferred that, the braking mechanism also includes a housing, and the housing is fixedly installed in the workbench, the housing
A receiving space is inside provided with, an at least brake block is contained in the receiving space, and an at least piston is movably installed in
The receiving space.
It is preferred that, the braking mechanism also includes some sealing rings, and some sealing rings are sheathed on the installation portion simultaneously
Between the housing and the installation portion.
It is preferred that, the braking mechanism is a low speed brake structure, and the braking mechanism also includes a sleeve, the sleeve
It is sheathed on the installation portion and is contacted with the housing.
It is preferred that, the sleeve by plastics or copper into.
It is preferred that, the braking mechanism is a high speed brake structure, and the braking mechanism also includes a bearing, the bearing
Between housing and the installation portion.
It is preferred that, the braking mechanism be a high speed and super precision brake structure, an at least piston be two-piston, it is described extremely
A few brake block is two brake blocks, and an at least rubbing surface is the two sides of a friction member, and the friction member is located at described two
Between brake block, two brake block is located between the two-piston.
It is preferred that, the turntable also includes a stator and a rotor, and the rotor is fixedly installed in the gyroaxis, described
Stator and the rotor engagement.
Compared with prior art, the braking mechanism of the utility model braking mechanism external turntable structure be arranged at turntable it
Outside, following beneficial effect is produced：
1. the design for turntable, assembling, detection workload and difficulty are postponed outside braking mechanism all will significantly reduce；
2. new mechanism can be replaced immediately by pulling down braking mechanism after brake pad wear, substantially reduce maintenance time and cost；
3. postponed outside brake block eliminate because abrasion produce impurity can caused by potential safety hazard；
4. external braking mechanism can be adapted to according to demand high speed, low speed, different braking torque and to rotary axis system without
The part of additional power, can carry out reasonable selection according to use demand, cost control；
5. it can reasonably be classified for the brake part of different operating demand, be standardized, promote mass
Efficiently production.
Brief description of the drawings
Fig. 1 is a structural representation of the utility model braking mechanism external turntable structure.
Fig. 2 is the enlarged drawing at Fig. 1 braking mechanism external turntable structure A.
Fig. 3 is a structural representation of a brake structure of the utility model braking mechanism external turntable structure.
Fig. 4 is another structural representation of a brake structure of the utility model braking mechanism external turntable structure.
In figure：100th, braking mechanism external turntable structure；10th, turntable；11st, main body；12nd, stator；13rd, rotor；14th, return
Rotating shaft；15th, rotary disk；16th, bonnet；20th, braking mechanism；21st, housing；210th, rubbing surface；22nd, brake block；23rd, piston；24th, receive
Hold space；25th, installation portion；26th, connector；27th, sealing ring；28th, bearing；200th, workbench.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or can also have component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1 is referred to Fig. 2, a kind of braking mechanism external turntable structure 100 includes a turntable 10 and a braking mechanism
20。
The turntable 10 is included after a main body 11, a stator 12, a rotor 13, single-revolution axle 14, single-revolution disk 15 and one
Lid 16.
The stator 12 is contained in inside the main body 11, and the gyroaxis 14 is rotatablely installed in the main body 11.It is described
Rotor 13 is fixedly installed in the gyroaxis 14.The stator 12 coordinates with the rotor 13.The rotary disk 15 is fixedly mounted
In the gyroaxis 14.The bonnet 16 is fixedly installed in the main body 11.The bonnet 16 distinguishes position with the rotary disk 15
In the opposite sides of the main body 11.The gyroaxis 14 stretches out from the bonnet 16.The main body 11 is fixedly installed in a work
Make platform 200.
In a first embodiment, the braking mechanism 20 is a low speed brake structure, and the braking mechanism 20 includes one
Housing 21, a brake block 22, a piston 23, an installation portion 25, some connectors 26 and some sealing rings 27.The housing 21 is set
There is a receiving space 24.The brake block 22 and the piston 23 are contained in the receiving space 24.The housing 21 is provided with one
Rubbing surface 210.The brake block 22 is located between the rubbing surface 210 and the piston 23.The brake block 22 is fixedly mounted
In the installation portion 25.The housing 21 is fixedly installed in the workbench 200.The installation portion 25 is contained in the housing 21
And be fixedly connected with the gyroaxis 14.The braking mechanism 20 also includes a sleeve, and the sleeve is sheathed on the installation portion
25 and contacted with the housing 21.It is preferred that, the sleeve by plastics or copper into.When this low speed brake structure is adapted to work
The turntable for carrying out milling after intermittent rotary index is used, because that need not make prolonged rotary motion, so by press-fiting plastics
Set or copper sheathing, which carry out contact positioning, can meet use demand, and such a structure design and assembly difficulty are low, can be very good control
This is made.
Please continue to refer to Fig. 3, in a second embodiment, the braking mechanism 20 is a high speed braking mechanism, the height
Fast braking mechanism is roughly the same with the low speed brake structure, and difference is：Change the sleeve into a bearing 28, the axle
28 are held to be located between the housing 21 and the installation portion 25.This high speed braking mechanism is adapted to that during work long-time rotation need to be carried out
The high-speed turning turntable turned is used, and components interior carries out rotation support to ensure the reliability used using bearing.
Please continue to refer to Fig. 4, in a 3rd embodiment, the braking mechanism 20 is a high speed and super precision brake structure, institute
Stating braking mechanism 20 includes two-piston 23, two brake blocks 22 and a friction member, and the friction member is provided with two rubbing surfaces 210.It is described
Friction member is located between two brake block 22, and two brake block 22 is located between the two-piston 23.This high speed and super precision
Brake structure is adapted to high speed, operating accuracy and requires that higher and poor axial rigidity turntable is used, to avoid piston from being axially moved
Brake modes shaft produce additional forces and cause the slight play of axle-system axial, so as to influence machining accuracy, such a structure
By the way of bidirectional brake, cancelled each other during work because of the interaction of power, overall precision is had no effect.
In use, turntable 10 first is fixed on into workbench 200, suitable braking mechanism is then selected according to the actual requirements
20, the installation portion 25 of turntable 10 is connected with braking mechanism 20 by connector 26, then the housing 21 of braking mechanism 20 is fixed
In workbench 200.Workpiece is clamped on the rotary disk 15, and the rotary disk 15 is positioned at required position by control system,
The stator 12 drives the rotor 13 to rotate, and the rotor 13 rotates the gyroaxis 14, and the gyroaxis 14, which is rotated, to be made
Workpiece carries out indexing milling, turnery processing.The braking mechanism 20 is ventilated simultaneously or oil promotes the piston 23 to be axially moved,
The brake block 22 and the rubbing surface 210 is pasted extremely, supported because the effect of frictional force can produce enough braking torques with this
The cutting force and tilting moment produced in anti-work, the brake modes of this mechanical structure can ensure the solid and reliable of brake and not
Consume any electric power.
Compared with prior art, the braking mechanism 20 of braking mechanism external turntable structure 100 described in the utility model is set
Outside the turntable 10, following beneficial effect is produced：
1. the design for turntable, assembling, detection workload and difficulty are postponed outside braking mechanism all will significantly reduce；
2. new mechanism can be replaced immediately by pulling down braking mechanism after brake pad wear, substantially reduce maintenance time and cost；
3. postponed outside brake block eliminate because abrasion produce impurity can caused by potential safety hazard；
4. external braking mechanism can be adapted to according to demand high speed, low speed, different braking torque and to rotary axis system without
The part of additional power, can carry out reasonable selection according to use demand, cost control；
5. it can reasonably be classified for the brake part of different operating demand, be standardized, promote mass
Efficiently production.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (9)
1. a kind of braking mechanism external turntable structure, including a turntable and a braking mechanism, the turntable include a main body, one
Gyroaxis and a bonnet, the main body are fixedly installed in a workbench, and the gyroaxis is rotatablely installed in the main body, it is described after
Lid is fixedly installed in the main body, and the gyroaxis stretches out from the bonnet, it is characterised in that：The braking mechanism is included at least
One piston, at least a brake block and at least a rubbing surface, an at least brake block be located at an at least piston and it is described extremely
Between a few rubbing surface, an at least brake block is fixedly installed in the gyroaxis, and an at least rubbing surface is fixedly mounted
In the workbench, an at least piston is axially moved along the gyroaxis makes an at least brake block and described at least one
Rubbing surface is contradicted.
2. braking mechanism external turntable structure according to claim 1, it is characterised in that：The braking mechanism also includes
One installation portion, an at least brake block is fixedly connected with the installation portion, and the installation portion is fixedly installed in the gyroaxis.
3. braking mechanism external turntable structure according to claim 2, it is characterised in that：The braking mechanism also includes
One housing, the housing, which is fixedly installed in the workbench, the housing, is provided with a receiving space, an at least brake block
The receiving space is contained in, an at least piston is movably installed in the receiving space.
4. braking mechanism external turntable structure according to claim 3, it is characterised in that：The braking mechanism also includes
Some sealing rings, some sealing rings are sheathed on the installation portion and positioned between the housing and the installation portion.
5. braking mechanism external turntable structure according to claim 3, it is characterised in that：The braking mechanism is one low
Fast brake structure, the braking mechanism also includes a sleeve, and the sleeve is sheathed on the installation portion and contacted with the housing.
6. braking mechanism external turntable structure according to claim 5, it is characterised in that：The sleeve is by plastics or copper
It is made.
7. braking mechanism external turntable structure according to claim 5, it is characterised in that：The braking mechanism is one high
Fast brake structure, the braking mechanism also includes a bearing, and the bearing is located between housing and the installation portion.
8. braking mechanism external turntable structure according to claim 5, it is characterised in that：The braking mechanism is one high
The high-precision brake structure of speed, an at least piston is two-piston, and an at least brake block is two brake blocks, and described at least one rubs
Wiping face is the two sides of a friction member, and the friction member is located between two brake block, and two brake block is located at described two
Between piston.
9. braking mechanism external turntable structure according to claim 1, it is characterised in that：The turntable also includes certain
Son and a rotor, the rotor are fixedly installed in the gyroaxis, the stator and the rotor engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185747.8U CN206567827U (en) | 2017-02-28 | 2017-02-28 | A kind of braking mechanism external turntable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185747.8U CN206567827U (en) | 2017-02-28 | 2017-02-28 | A kind of braking mechanism external turntable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206567827U true CN206567827U (en) | 2017-10-20 |
Family
ID=60059891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720185747.8U Active CN206567827U (en) | 2017-02-28 | 2017-02-28 | A kind of braking mechanism external turntable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206567827U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-02-28 CN CN201720185747.8U patent/CN206567827U/en active Active
Cited By (1)
| 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 |
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