CN216657094U - Direct-drive rotary table bidirectional piston brake device - Google Patents
Direct-drive rotary table bidirectional piston brake device Download PDFInfo
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- CN216657094U CN216657094U CN202220999502.XU CN202220999502U CN216657094U CN 216657094 U CN216657094 U CN 216657094U CN 202220999502 U CN202220999502 U CN 202220999502U CN 216657094 U CN216657094 U CN 216657094U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a direct-drive rotary table bidirectional piston brake device which is arranged on a rotating shaft of a direct-drive rotary table and comprises a band-type brake, a piston cover, a pneumatic piston and an elastic chuck, wherein the band-type brake is sleeved on the rotating shaft of the direct-drive rotary table, the elastic chuck is sleeved on the band-type brake, the elastic chuck is provided with an installation part and a chuck part, the piston cover is fixedly arranged on one side of the elastic chuck, an air chamber is formed by the piston cover, the installation part of the elastic chuck and the chuck part of the elastic chuck, the pneumatic piston can be movably arranged in the air chamber, one end of the pneumatic piston is in contact with the chuck part of the elastic chuck, and when the pneumatic piston moves towards the installation part of the elastic chuck, the elastic chuck tightly holds the band-type brake so as to brake the direct-drive rotary table.
Description
Technical Field
The utility model relates to the field of machine tool equipment, in particular to a direct-drive turntable bidirectional piston brake device.
Background
In the processing of digit control machine tool, general processing blank all places on the revolving stage, and according to the difference of processing product, the mode of processing is also different, and some products need the location processing, and some products then need make the revolving stage rotate and process, in order to satisfy the processing demand of different products, all can be provided with brake equipment on the revolving stage usually.
The brake device in the prior art usually adopts a mode that a brake disc and a stop disc are matched with each other, when braking is needed, the stop disc is driven to move towards the direction of the brake disc, so that the surface of the brake disc is contacted with the surface of the brake disc to generate friction, and a rotary table stops rotating.
Disclosure of Invention
The utility model mainly aims to overcome the defects of the prior art and provides a direct-drive rotary table bidirectional piston brake device which enables a band-type brake to bear circumferential clamping force, increases braking torque and improves braking response speed through the cooperation between an elastic chuck and a pneumatic piston.
The utility model adopts the following technical scheme:
the utility model provides a directly drive revolving stage two way piston brake equipment, sets up in the pivot of directly driving the revolving stage, including band-type brake stopper, piston cap, pneumatic piston and collet chuck, band-type brake stopper cover is established in the pivot of directly driving the revolving stage, and the collet chuck cover is established on the band-type brake stopper, collet chuck has an installation department and a chuck portion, the piston cap is fixed to be set up in collet chuck's one side, and piston cap, collet chuck's installation department and collet chuck portion form an air chamber, the mobile setting of pneumatic piston is in the air chamber and the collet chuck portion of pneumatic piston one end contact collet chuck, and when pneumatic piston moved towards collet chuck's installation department direction, thereby collet chuck enclasping band-type brake stopper braked directly driving the revolving stage.
Further, including two piston cover, two pneumatic piston and two collet chuck, the installation department of two collet chucks meets and makes two collet chuck portion of collet chuck different directions, and two piston covers and two pneumatic pistons are located the both sides of two collet chuck installation departments respectively, make two piston covers, two pneumatic pistons and two collet chucks form the axisymmetric structure.
Further, a spring is arranged between the piston cover and the pneumatic piston, and applies a force to the pneumatic piston towards the elastic chuck mounting part.
Furthermore, the clamping head part of the elastic clamping head is in a tapered shape, and the diameter of the clamping head part is gradually reduced from one end close to the mounting part to one end far away from the mounting part.
Further, a sealing ring is arranged between the pneumatic piston and the piston cover, a sealing ring is arranged between the pneumatic piston and the elastic chuck, and a sealing ring is arranged between the elastic chuck and the piston cover.
Further, still include the trachea joint, the trachea joint sets up on the piston cap.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are:
firstly, the elastic chuck is extruded by the pneumatic piston, so that the elastic chuck is uniformly deformed in the circumferential direction to tightly hold the band-type brake, the band-type brake only bears the clamping force in the circumferential direction, the braking torque is increased, the response speed of braking is increased, and the change of a small angle of a rotary table caused by braking is reduced.
The installation parts of the second elastic chuck and the two elastic chucks are connected to enable the chuck parts of the two elastic chucks to form an axisymmetric distribution structure towards different directions, so that the thrust of the two pneumatic pistons faces to opposite directions, the reverse acting force of the pneumatic pistons is counteracted, the axial tension influence on the band-type brake is reduced, the axial float caused when the rotary table brakes is avoided, and the precision of the rotary table is improved.
And thirdly, a force towards the elastic chuck mounting part is applied to the pneumatic piston through the spring, so that the pneumatic piston always has a trend towards the elastic chuck mounting part to move, and when the power is cut off accidentally, the pneumatic piston can brake under the action of the spring in time, and the rotary falling of the rotary table caused by the power failure and the air failure is avoided.
Fourthly, the sealing ring is arranged to increase the air tightness of the device.
Drawings
FIG. 1 is a partial structural cross-sectional view of an embodiment of the present invention.
In the figure: 1. the pneumatic brake comprises a direct-drive rotary table, 2 a band-type brake, 3 a piston cover, 4 a pneumatic piston, 5 an elastic chuck, 50 an installation part, 51 a chuck part, 6 a spring, 7 a sealing ring and 8 an air pipe joint.
Detailed Description
The utility model is further described below by means of specific embodiments.
Referring to fig. 1, the direct-drive turntable bidirectional piston brake device of the utility model is arranged on a rotating shaft of a direct-drive turntable 1, and comprises a band-type brake 2, two piston covers 3, two pneumatic pistons 4, two elastic chucks 5 and an air pipe connector 7, wherein the band-type brake 2 is sleeved on the rotating shaft of the direct-drive turntable 1, the two elastic chucks 5 are sleeved on the band-type brake 2, the elastic chucks 5 are provided with a mounting portion 50 and a chuck portion 51, the mounting portions 50 of the two elastic chucks 5 are connected to enable the chuck portions 51 of the two elastic chucks 5 to face different directions, the two piston covers 3 are respectively and fixedly arranged at one side of the two elastic chucks 5, the piston covers 3, the mounting portions 50 of the elastic chucks 5 and the chuck portions 51 of the elastic chucks 5 form an air chamber, the pneumatic pistons 4 can be movably arranged in the air chamber, and one end of the pneumatic pistons 4 is contacted with the chuck portions 51 of the elastic chucks 5, the two piston covers 3, the two pneumatic pistons 4 and the two elastic chucks 5 form an axisymmetric structure, when the pneumatic pistons 4 move towards the direction of the mounting portion 50 of the elastic chucks 5, the elastic chucks 5 tightly hold the band-type brake 2 so as to brake the direct-drive rotary table 1, the air pipe connector 8 is arranged on the piston covers 3, and the air pipe connector 8 is an external quick-insertion air pipe connector.
Be provided with multiunit spring 6 between piston lid 3 and the pneumatic piston 4, spring 6 exerts a orientation to the pneumatic piston 4 the power of collet 5 installation department 50, collet portion 51 of collet 5 is the taper that the diameter reduces gradually to the one end of keeping away from installation department 50 by the one end that is close to installation department 50, is provided with sealing washer 7 between pneumatic piston 4 and the piston lid 3, is provided with sealing washer 7 between pneumatic piston 4 and the collet 5, is provided with sealing washer 7 between collet 5 and the piston lid 3.
With reference to fig. 1, when the direct-drive rotary table 1 brake device is used, when the brake is needed, the pneumatic pistons 4 generate thrust to press the chuck portion 51 of the elastic chuck 5, the chuck portion 51 of the elastic chuck 5 deforms uniformly in the circumferential direction to tightly hold the brake 2, and the brake 2 bears the clamping force from the circumferential direction, so that the direct-drive rotary table 1 brakes, because the brake 2 only bears the clamping force from the circumferential direction, the brake torque is large, the brake response speed is high, and the two pneumatic pistons 4 form an axisymmetric structure, the reaction force of the single-side pneumatic piston 4 can be counteracted, so that the precision of the direct-drive rotary table 1 during braking is more stable.
Because be provided with multiunit spring 6 between piston cap 3 and the pneumatic piston 4, spring 6 exerts a power towards 5 installation departments 50 of collet to pneumatic piston 4, consequently pneumatic piston 4 has a trend towards 5 installation departments of collet 50 direction removal all the time, when the unexpected outage is out of gas, pneumatic piston 4 can be in time contracting brake under the effect of spring 6, avoid causing directly driving the rotatory landing of revolving stage 1 because the unexpected outage is out of gas, and multiunit spring 6 has thrust greatly, the fast advantage of response speed, the unusual outage that the reply that can be better directly drives revolving stage 1 is out of gas.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (6)
1. The utility model provides a directly drive two-way piston brake equipment of revolving stage, sets up in the pivot of directly driving the revolving stage, its characterized in that: including band-type brake stopper, piston lid, pneumatic piston and collet, band-type brake stopper cover is established in the pivot that directly drives the revolving stage, and the collet cover is established on the band-type brake stopper, collet has an installation department and a chuck portion, the piston lid is fixed to be set up in one side of collet, and the chuck portion of piston lid, collet's installation department and collet forms an air chamber, the movable setting of pneumatic piston is in the air chamber and the collet portion of pneumatic piston one end contact collet, when pneumatic piston moves towards collet's installation department direction, thereby the collet band-type brake stopper brakes to the direct drive revolving stage.
2. The direct-drive turntable bidirectional piston brake device as recited in claim 1, wherein: including two piston cap, two pneumatic piston and two collet chuck, two collet chuck's installation department meet and make two collet chuck's chuck portion orientation not equidirectional, and two piston caps and two pneumatic pistons are located the both sides of two collet chuck installation departments respectively, make two piston caps, two pneumatic pistons and two collet chucks form the axisymmetric structure.
3. The direct-drive turntable bidirectional piston brake device as recited in claim 1, wherein: and a spring is arranged between the piston cover and the pneumatic piston and applies a force towards the elastic chuck mounting part to the pneumatic piston.
4. The direct-drive turntable bidirectional piston brake device as recited in claim 1, wherein: the clamping head part of the elastic clamping head is in a conical shape, the diameter of the conical shape is gradually reduced from one end close to the mounting part to one end far away from the mounting part.
5. The direct-drive turntable bidirectional piston brake device as recited in claim 1, wherein: the pneumatic piston with be provided with the sealing washer between the piston lid, pneumatic piston with be provided with the sealing washer between the collet chuck, be provided with the sealing washer between collet chuck and the piston lid.
6. The direct-drive turntable bidirectional piston brake device as recited in claim 1, wherein: still include the air pipe connector, the air pipe connector sets up on the piston cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999502.XU CN216657094U (en) | 2022-04-28 | 2022-04-28 | Direct-drive rotary table bidirectional piston brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999502.XU CN216657094U (en) | 2022-04-28 | 2022-04-28 | Direct-drive rotary table bidirectional piston brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216657094U true CN216657094U (en) | 2022-06-03 |
Family
ID=81764296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220999502.XU Active CN216657094U (en) | 2022-04-28 | 2022-04-28 | Direct-drive rotary table bidirectional piston brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216657094U (en) |
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2022
- 2022-04-28 CN CN202220999502.XU patent/CN216657094U/en active Active
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