CN202623352U - Low-inertia high-speed pneumatic disc brake - Google Patents
Low-inertia high-speed pneumatic disc brake Download PDFInfo
- Publication number
- CN202623352U CN202623352U CN 201220158863 CN201220158863U CN202623352U CN 202623352 U CN202623352 U CN 202623352U CN 201220158863 CN201220158863 CN 201220158863 CN 201220158863 U CN201220158863 U CN 201220158863U CN 202623352 U CN202623352 U CN 202623352U
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- China
- Prior art keywords
- clutch
- friction plate
- brake
- cylinder
- disc
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- Expired - Fee Related
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Abstract
The utility model relates to a Low-inertia high-speed pneumatic disc brake comprising a brake disc, a clutch disc and an air cylinder, wherein the brake disc and the clutch disc are connected by a first set of bolts; a first seal ring and a second seal ring are respectively installed between one end of the air cylinder and one end of the clutch disc; the air cylinder and the clutch disc are connected by a spline; a set of tripping springs is arranged between the air cylinder and the clutch disc; a brake lining set comprises a brake lining and a brake lining substrate; a clutch friction plate set comprises a clutch friction plate and a clutch friction plate substrate; the brake lining and the clutch friction plate are respectively spliced on the brake lining substrate and the clutch friction plate substrate; the brake lining set is fixed on an equipment bracket and used for providing the braking torque when the air cylinder and the brake disc are compressed so as to realize the brake of a driven part; the clutch friction plate set is fixed on a driving wheel and used for providing the clutch torque when the air cylinder and the clutch disc are compressed; and the diameter between the air cylinder and the brake disc which act on the brake lining set is 1.2-1.3 times of that between the air cylinder and the clutch disc which act on the clutch friction plate set.
Description
Technical field
The utility model relates to a kind of air disc brake, relates in particular to the structure of this air disc brake.
Background technology
Air disc brake is applied to the braking that various punching machines transmit clutch moment and realize slave unit.
Its braking torque of air disc friction brake of prior art is generally clutch torque 60%～70%.And its main part all adopts cast iron materials to process, because cast iron quality density inhomogeneous, so the degree of unbalancedness of cast iron part is very high; Its brake strip group and clutch friction plate group are fixed on the above steel substrate of thickness 5mm, and substrate is suspended on 2 guide fingers, and must there be the gap in the axially movable requirement of friction plate group between substrate and the guide finger when throwing off to satisfy clutch disengagement or braking.Above characteristics are applied on the punching machine of high-speed cruising existing air disc brake, can't satisfy the requirement of the driving parts of high-speed cruising to braking, can cause lathe vibrations and noise simultaneously, have a strong impact on machine tool accuracy and operating environment.
The utility model content
The utility model technical issues that need to address have provided the pneumatic high speed disc brake of a kind of low inertia, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is realized through following technical scheme:
The utility model comprises: brake disc, clutch discs and cylinder; Described brake disc is connected through first group of screw with clutch discs; Between the two ends of described cylinder and brake disc, be separately installed with first sealing ring and second sealing ring; Described first sealing ring and second sealing ring are used for the compressed air in the sealing cylinder; Described cylinder brake disc relatively moves axially; Described cylinder is connected through spline with clutch discs; Said spline is used for the guiding and the spline of control cylinder; Between cylinder and clutch discs, arrange one group of tripping spring; Also comprise: brake strip group and clutch friction plate group; Described brake strip group comprises: brake strip and drag friction plate base; Described clutch friction plate group comprises: clutch friction plate and clutch friction plate substrate; Brake strip and clutch friction plate are bonded in respectively on drag friction plate base and the clutch friction plate substrate; Described brake strip group is fixed on the equipment supporter, and being used for provides braking moment when cylinder and brake disc compress, and realizes the secondary part braking; Described clutch friction plate group is fixed on the driving wheel, is used for when cylinder and clutch discs compress, providing clutch torque; The cylinder and the brake disc diameter that act on the brake strip group are to act on the cylinder of clutch friction plate group and 1.2～1.3 times of clutch discs diameter.
Compared with prior art, the beneficial effect of the utility model is: because the operating radius of brake strip group is greater than the operating radius of clutch friction plate group, so braking moment is up to 1.1～1.2 times of clutch moment; Brake disc clutch discs and cylinder adopt steel material to process, and can reduce body rotary inertia and part strength significantly, and can reduce the degree of unbalancedness that causes because of the material density unevenness; The friction plate substrate adopts elastomeric material to process, and moving axially through the distortion of spring leaf of friction plate group accomplished, and the friction plate group is completely fixed, and does not produce noise because movable part has the gap; Above characteristics are applied on the high speed machine forcing press the utility model, can realize the braking angle that driven part is littler, have greatly reduced the equipment vibrations and the noise that cause because of part degree of unbalancedness and gap.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
Visible by Fig. 1: the utility model comprises: brake disc 1, clutch discs 2 and cylinder 3; Described brake disc 1 is connected through first group of screw 4 with clutch discs 2; Between the two ends of described cylinder 3 and brake disc 1, be separately installed with first sealing ring 6 and second sealing ring 9; Described first sealing ring 6 and second sealing ring 9 are used for the compressed air in the sealing cylinder 3; Described cylinder 3 brake disc 1 relatively moves axially; Described cylinder 3 is connected through the spline (not shown) with clutch discs 2; Said spline is used for the guiding and the spline of control cylinder 3; Between cylinder 3 and clutch discs 2, arrange one group of tripping spring 7; Also comprise: brake strip group and clutch friction plate group; Described brake strip group comprises: brake strip 10 and drag friction plate base 12; Described clutch friction plate group comprises: clutch friction plate 11 and clutch friction plate substrate 13; Brake strip 10 is bonded in respectively on drag friction plate base 12 and the clutch friction plate substrate 13 with clutch friction plate 11; Described brake strip group is fixed on the equipment supporter (not shown), and being used for provides braking moment when cylinder 3 and brake disc 1 compress, and realizes the secondary part braking; Described clutch friction plate group is fixed on the driving wheel (not shown), is used for when cylinder 3 and clutch discs 2 compress, providing clutch torque; The cylinder 3 that acts on the brake strip group is to act on the cylinder 3 of clutch friction plate group and 1.2～1.3 times of clutch discs 2 diameters with brake disc 1 diameter.Because the constant operating radius of active force increases 1.2～1.3 times, therefore under identical tripping spring and identical operating air pressure condition, can obtain the bigger braking torque and the ratio of clutch torque.
Described brake disc 1, clutch discs 2 and cylinder 3 all adopt through the steel material that forges and process, and whole material density uniformity is good.
Described drag friction plate base 12 all adopts elastic steel sheet to process with clutch friction plate substrate 13.
The operation principle of the utility model is: the compressed air from the outside gets in the disk brake cylinder 3 through compressed air inlet A; Promotion disk brake cylinder 3 overcomes tripping spring 7 power and is moved to the left; This moment, the brake strip group was thrown off; The clutch friction plate set of bond is delivered to secondary part through the clutch friction plate group through disk brake from the power of active part; When compressed air was discharged through the A mouth, because the effect of tripping spring 7, disk brake cylinder 3 moved right, and this moment, the clutch friction plate group was thrown off, the brake strip set of bond, and the action of secondary part realizes braking through the brake strip group.
Claims (3)
1. the pneumatic high speed disc brake of low inertia comprises: brake disc, clutch discs and cylinder; It is characterized in that: described brake disc is connected through first group of screw with clutch discs; Between the two ends of described cylinder and brake disc, be separately installed with first sealing ring and second sealing ring; Described first sealing ring and second sealing ring are used for the compressed air in the sealing cylinder; Described cylinder brake disc relatively moves axially; Described cylinder is connected through spline with clutch discs; Said spline is used for the guiding and the spline of control cylinder; Between cylinder and clutch discs, arrange one group of tripping spring; Also comprise: brake strip group and clutch friction plate group; Described brake strip group comprises: brake strip and drag friction plate base; Described clutch friction plate group comprises: clutch friction plate and clutch friction plate substrate; Brake strip and clutch friction plate are bonded in respectively on drag friction plate base and the clutch friction plate substrate; Described brake strip group is fixed on the equipment supporter, and being used for provides braking moment when cylinder and brake disc compress, and realizes the secondary part braking; Described clutch friction plate group is fixed on the driving wheel, is used for when cylinder and clutch discs compress, providing clutch torque; The cylinder and the brake disc diameter that act on the brake strip group are to act on the cylinder of clutch friction plate group and 1.2～1.3 times of clutch discs diameter.
2. the pneumatic high speed disc brake of low inertia according to claim 1 is characterized in that: described brake disc, clutch discs and cylinder all adopt through the steel material that forges and process.
3. the pneumatic high speed disc brake of low inertia according to claim 1 is characterized in that: described drag friction plate base and clutch friction plate substrate all adopt elastic steel sheet to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158863 CN202623352U (en) | 2012-04-13 | 2012-04-13 | Low-inertia high-speed pneumatic disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158863 CN202623352U (en) | 2012-04-13 | 2012-04-13 | Low-inertia high-speed pneumatic disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202623352U true CN202623352U (en) | 2012-12-26 |
Family
ID=47376591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220158863 Expired - Fee Related CN202623352U (en) | 2012-04-13 | 2012-04-13 | Low-inertia high-speed pneumatic disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202623352U (en) |
-
2012
- 2012-04-13 CN CN 201220158863 patent/CN202623352U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20180413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |