CN213661361U

CN213661361U - Integral Diaphragm Brake Coupling

Info

Publication number: CN213661361U
Application number: CN202022282859.XU
Authority: CN
Inventors: 宇金龙; 熊宇虹; 文建军
Original assignee: Kunshan Graspeon Precision Machinery Co ltd
Current assignee: Kunshan Graspeon Precision Machinery Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-09
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses an integrated diaphragm brake coupling, which comprises a casing, a main shaft, a coupling bearing, an output flange, a diaphragm, a clutch connecting piece and a clutch driving device, and is used for a coaxial fixed connection with a motor. The main shaft is axially stopped and can be rotated in the circumferential direction, and is installed in the casing. The coupling bearing is sleeved on the outside of the main shaft. The outer ring of the coupling bearing is fixedly connected to the outer casing, and the inner ring of the coupling bearing is fixed to the output flange. One end of the diaphragm is fixedly connected with the main shaft and the inner ring of the coupling bearing, the clutch connecting piece can be movably installed on the shell, and the other end of the diaphragm can be fixedly connected or separated from the outer ring of the coupling bearing. The driving device drives the clutch connecting piece to move, the utility model improves the braking efficiency, protects the main shaft of the motor, and is beneficial to prolong the service life of the motor.

Description

Integrated diaphragm brake coupling

Technical Field

The utility model relates to a shaft coupling, in particular to integral type diaphragm brake shaft coupling.

Background

Motor power output all is through the main shaft with rotate the piece and pass through the key structural connection, rotates when the piece needs to stop, when the motor outage, then the brake structure is direct to rotating the piece and brakies, and this just leads to the motor main shaft can produce huge torsion, damages the motor easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides an integral type diaphragm brake shaft coupling, this integral type diaphragm brake shaft coupling can realize motor spindle and output flange synchronous brake, to motor spindle's damage when having avoided the brake.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides an integral type diaphragm brake coupling, which comprises an outer shell, the main shaft, the shaft coupling bearing, the output flange, the diaphragm, separation and reunion connecting piece and separation and reunion drive arrangement, a main shaft axial locking and circumferencial direction for linking firmly coaxially with the motor can the pivoted install in the shell, the main shaft outside is located to the shaft coupling bearing housing, the outer lane and the shell fixed connection of shaft coupling bearing, the inner circle and the output flange of shaft coupling bearing link firmly, diaphragm one end and main shaft and shaft coupling bearing inner circle fixed connection, what the separation and reunion connecting piece can move installs on the shell, the separation and reunion connecting piece can link firmly or separate the diaphragm other end and shaft coupling bearing outer lane.

As a further improvement of the utility model, the diaphragm is the annular sheet structure, and the diaphragm inner ring end links firmly with the main shaft, and the diaphragm outer ring end is just right with clutch bearing axial one end terminal surface, and the diaphragm links firmly through the connecting piece with clutch bearing inner circle one end, has between diaphragm and the clutch bearing outer lane to set for the clearance, the diaphragm can elastic deformation along its radial direction, and the separation and reunion connecting piece can force the diaphragm to warp and clutch bearing outer lane one end terminal surface to link firmly.

As the utility model discloses a further improvement, the separation and reunion connecting piece can follow main shaft endwise slip installs in the shell, and separation and reunion connecting piece tip can tightly support diaphragm clutch bearing outer lane one end surface dorsad, makes diaphragm and the inseparable laminating of clutch bearing outer lane one end terminal surface, and separation and reunion drive arrangement drive separation and reunion connecting piece slides.

As a further improvement, the utility model discloses a be equipped with the piston groove on the shell, the piston inslot can the movablely sealed be equipped with the piston, the piston groove bottom be equipped with the air inlet of external gas circuit intercommunication, the piston tip can stretch out the piston groove outside and tightly support the diaphragm surface.

As a further improvement of the utility model, the fixed radial evagination ring that is equipped with in the main shaft circumference outside, diaphragm inner circle one end and this radial evagination ring axial one end terminal surface laminating link firmly through the connecting piece.

As the utility model discloses a further improvement, radial evagination ring includes outer loop, building block and clamping ring, the main shaft circumference outside is located to the outer loop cover, and the outer loop inboard is less than the conical surface of other end internal diameter for the one end internal diameter, and the building block is less than the toper nested structure of other end external diameter for the one end external diameter, in the building block closely inserted the clearance of locating between outer loop and the main shaft, clamping ring fixed mounting is on the outer loop, and clamping ring one end surface tightly supports another terminal surface of building block, and diaphragm inner circle one end fixed mounting is on outer loop one end is surperf.

As a further improvement, the diaphragm is annular spring steel sheet, evenly spaced is equipped with a plurality of hollow out construction on the spring steel sheet, still is equipped with a plurality of mounting holes that are used for radially evagination ring is connected on clutch bearing inner circle and the main shaft on the spring steel sheet.

As a further improvement, the shell includes mounting table, braced frame and axle sleeve, the fixed braced frame upper end of locating of mounting table, the space that holds the motor that forms between braced frame and the mounting table, the mounting table downside still is equipped with the motor connection structure who is used for the fixed mounting motor, is equipped with the main shaft hole that supplies the main shaft to wear to establish on the mounting table, and the axle sleeve passes through connecting piece fixed mounting in mounting table upper end, and the shaft coupling bearing outside is located to the axle sleeve cover, the mounting table upside is equipped with the annular groove on the surface, the sealed inserting of annular groove opening side is equipped with the closing cap, and axle sleeve lower extreme surface tightly supports on the closing cap upper surface, and closing cap upper end one side is just right with the clutch bearing, forms the cooling water course that supplies cooling water to flow between.

As a further improvement, the output flange covers in the main shaft motor one end surface dorsad, and the main shaft inboard is formed with along axially extended gas circuit passageway, still on the main shaft lateral wall with the linkage hole of its inside gas circuit passageway intercommunication, the main shaft hole axial both ends of installation table surface are equipped with the sealing washer respectively, sealing washer and main shaft dynamic seal are connected, are equipped with on the installation table surface with the gas supply channel of main shaft hole site section intercommunication between two sealing washers, and the linkage hole just is located between two sealing washers on the main shaft, output flange center be formed with the main shaft on the gas circuit passageway just right centre bore.

As a further improvement of the utility model, be formed with the radial recess that is located between two sealing washers on the downthehole side surface of main shaft on the mounting table face, the last air feed channel of mounting table face just communicates with this radial recess.

The utility model has the advantages that: the utility model discloses a fixed connection of motor spindle and shaft coupling bearing inner circle is realized to the diaphragm, and then realize power take off for connecting the output flange that circles in the shaft coupling, more warp through the diaphragm and realize the detent connection of bearing inner circle and outer lane with shaft coupling bearing outer lane detent connection, and then realize the main shaft and the synchronous brake braking of output flange of motor, avoid producing huge moment of torsion and taking place the damage because of output flange brake main shaft produces at inertial force, brake braking efficiency has been improved, play the guard action to motor spindle, be favorable to motor life's extension.

Drawings

FIG. 1 is a schematic view of the structure principle of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a front view of the diaphragm of the present invention;

fig. 4 is a right side view of the diaphragm of the present invention.

Detailed Description

Example (b): the utility model provides a 3 brake couplings of integral type diaphragm, which comprises an outer shell, main shaft 1, the shaft coupling bearing, output flange 2, diaphragm 3, separation and reunion connecting piece and separation and reunion drive arrangement, a main shaft 1 axial locking and circumferencial direction that are used for linking firmly coaxially with the motor can the pivoted install in the shell, the 1 outside of main shaft is located to the shaft coupling bearing housing, the outer lane 20 and the shell fixed connection of shaft coupling bearing, the inner circle 21 and the output flange 2 of shaft coupling bearing link firmly, 3 one end of diaphragm and main shaft 1 and shaft coupling bearing inner circle 21 fixed connection, what separation and reunion connecting piece can move installs on the shell, the separation and reunion connecting piece can link firmly or separate the 3 other ends of diaphragm and shaft coupling. The motor 4 drives the main shaft 1 to rotate, the main shaft 1 is fixedly connected with the inner ring 21 of the coupling bearing through the diaphragm 3, synchronous rotation is achieved, the coupling inner ring 21 is fixedly connected with the output flange 2, therefore, power output of the motor is achieved for the output flange 2, during braking, the diaphragm 3 and the outer ring 20 of the coupling bearing are fixedly positioned through the clutch connecting piece, namely, locking of the output flange 2 is achieved, meanwhile, the diaphragm 3 also synchronously brakes the main shaft 1 of the motor, the main shaft 1 of the motor and the output flange 2 are always in a synchronous motion state, and therefore large torque is generated on the main shaft 1 of the motor when the output flange 2 brakes, and damage to the main shaft 1 of the motor is avoided.

The diaphragm 3 is of a ring sheet structure, the inner ring end of the diaphragm 3 is fixedly connected with the main shaft 1, the outer ring 7 end of the diaphragm 3 is just opposite to the axial end face of one end of the clutch bearing, the diaphragm 3 is fixedly connected with one end of the inner ring 21 of the clutch bearing through a connecting piece, a set gap exists between the diaphragm 3 and the outer ring of the clutch bearing, the diaphragm 3 can elastically deform along the radial direction of the diaphragm, and the clutch connecting piece can force the diaphragm 3 to deform to be fixedly connected with the end face of one end of the outer ring of the clutch bearing. The diaphragm 3 can be connected with the main shaft 1 and the clutch bearing inner ring 21 through the connecting piece, the 3 end of the diaphragm and the clutch bearing outer ring can keep a separation state when the output flange 2 operates normally, when the output flange 2 needs to be braked, only the clutch connecting piece needs to be made to drive the diaphragm 3 to deform to be in close contact with the clutch bearing outer ring, huge friction force is generated between the two, brake braking is realized, besides the structure, a bolt capable of axially stretching can be arranged on the diaphragm 3, a slot is arranged on the end face of the clutch bearing outer ring, positioning is realized through the inserting structure, or the clutch connecting piece is a clamping mechanism arranged on the diaphragm 3, the outer ring of the coupling is clamped and fixed through the clamping mechanism to realize braking, the type is an equivalent replacement structure which can be easily thought by technical personnel in the field according to the patent, and belongs to the protection range of the.

The clutch connecting piece can be arranged in the shell in an axially sliding mode along the main shaft 1, the end portion of the clutch connecting piece can tightly support the diaphragm 3 to face away from one end surface of the outer ring of the clutch bearing, the diaphragm 3 is tightly attached to one end face of the outer ring of the clutch bearing, and the clutch driving device drives the clutch connecting piece to slide. The diaphragm 3 is pressed by the axial sliding of the clutch connecting piece along the main shaft 1, and then the face is forced to deform and cling to the end face of the outer ring of the clutch bearing to realize braking.

Be equipped with piston groove 5 on the shell, piston 6 can be equipped with to movablely sealed in the piston groove 5, and 5 bottoms in piston groove are equipped with the air inlet with external gas circuit intercommunication, and 6 tip of piston can stretch out the 5 outsides in piston groove and tightly support the diaphragm 3 surface. The piston 6 slides in the piston groove 5, so that the axial sliding of the main shaft 1 can be realized, and the outer ring of the diaphragm 3 is forced to deform.

A radial outward convex ring is fixedly arranged on the outer side of the circumference of the main shaft 1, and one end of an inner ring 21 of the diaphragm 3 is attached to the end face of one axial end of the radial outward convex ring and is fixedly connected through a connecting piece. The end face of the radial outward convex ring on the main shaft 1 is fixedly connected with the diaphragm 3 through the connecting piece, the structure is simple, the occupied space is small, in addition, the inner ring of the diaphragm 3 can be fixedly sleeved outside the circumference of the main shaft 1 through the key structure, and the diaphragm 3 is fixedly connected with the main shaft 1.

The radial outer bulge loop includes outer loop 7, building block 8 and clamping ring 9, the 1 circumference outside of main shaft is located to outer loop 7 cover, and outer loop 7 is inboard to be less than the conical surface of other end internal diameter for the one end internal diameter, and building block 8 is the toper nested structure that one end external diameter is less than the other end external diameter, building block 8 closely inserts and locates in the clearance between outer loop 7 and main shaft 1, and clamping ring 9 fixed mounting is on outer loop 7, and clamping ring 9 one end surface tightly supports another terminal surface of building block, and 21 one end fixed mounting of diaphragm 3 inner circle one end is on 7 one end surfaces of outer loop. Tightly insert through the stripping and slicing and locate between outer loop 7 and main shaft 1, expand tightly the clearance between main shaft 1 and the outer loop 7, and then realize holding tightly main shaft 1, reach the fixed connection effect of outer loop 7 and main shaft 1, this structure makes things convenient for the installation of main shaft 1 to dismantle, in addition, main shaft 1 can also be realized through the key structure with being connected of radial evagination ring, perhaps the integrated into one piece structure realizes.

The diaphragm 3 is an annular spring steel sheet, a plurality of hollow structures 10 are uniformly arranged on the spring steel sheet at intervals, and a plurality of mounting holes 11 used for being connected with a clutch bearing inner ring 21 and a radial outer convex ring on the main shaft 1 are further formed in the spring steel sheet. The spring steel sheet has high strength, good toughness, no damage and high braking performance.

The shell includes mounting table 12, braced frame 13 and axle sleeve 14, mounting table 12 is fixed to be located braced frame 13 upper end, forms the space that holds the motor between braced frame 13 and the mounting table 12, and mounting table 12 downside still is equipped with the motor connection structure who is used for the fixed mounting motor, is equipped with the main shaft 1 hole that supplies main shaft 1 to wear to establish on mounting table 12, and axle sleeve 14 passes through connecting piece fixed mounting in mounting table 12 upper end, and the shaft coupling bearing outside is located to the axle sleeve 14 cover, mounting table 12 upside surface is equipped with the annular groove, the sealed inserting of annular groove opening side is equipped with the closing cap, and axle sleeve 14 lower extreme surface tightly supports on the closing cap upper side surface, and closing cap upper end one side is just right with the clutch bearing, forms the cooling water course 15 that supplies the cooling water to flow between annular groove. Through designing into the components of a whole that can function independently structure with the shell, be convenient for manufacturing, and be convenient for with other parts equipment, the cooling water of leading to in the cooling water course 15 can cool off for the shaft coupling bearing, the heat that produces when avoiding its brake influences its performance.

The output flange 2 covers the surface of one end, back to the motor, of the main shaft 1, an air channel 16 extending along the axial direction is formed on the inner side of the main shaft 1, a joint hole communicated with the air channel 16 inside the main shaft 1 is formed in the side wall of the main shaft 1, sealing rings 17 are respectively arranged at two axial ends of the main shaft 1 of the mounting table top 12, the sealing rings 17 are in dynamic sealing connection with the main shaft 1, an air supply channel 18 communicated with the section, located between the two sealing rings 17, of the main shaft 1 is arranged on the mounting table top 12, the joint hole in the main shaft 1 is just located between the two sealing rings 17, and a center hole opposite to the air channel 16 in the main shaft 1. During processing, external negative pressure air enters the main shaft 1 through the air supply channel 18 of the mounting table board 12, and finally is supplied to a device mounted on the output flange 2 through the center of the output flange 2, so that the air pipe cannot be wound when the output flange 2 and the main shaft 1 rotate at high speed.

A radial groove 19 positioned between two sealing rings 17 is formed on the inner surface of the hole of the main shaft 1 on the mounting table surface 12, and an air supply channel 18 on the mounting table surface 12 is just communicated with the radial groove 19.

Claims

1. An integrated diaphragm brake coupling, comprising a casing, a main shaft (1), a coupling bearing, an output flange (2), a diaphragm (3), a clutch connecting piece and a clutch driving device, used for connecting with The main shaft, which is coaxially fixed to the motor, is axially stopped and can be rotated in the circumferential direction, and is installed in the casing. The coupling bearing is sleeved on the outside of the main shaft. The outer ring (20) of the coupling bearing is fixedly connected to the casing. The inner ring (21) of the bearing is fixedly connected with the output flange, one end of the diaphragm is fixedly connected with the main shaft and the inner ring of the coupling bearing, the clutch connector is movably installed on the housing, and the clutch connector can connect the other end of the diaphragm with the inner ring of the coupling bearing. The outer ring of the coupling bearing is fixed or separated, and the clutch driving device drives the movement of the clutch connection.

2 . The integrated diaphragm brake coupling according to claim 1 , wherein the diaphragm has a ring-shaped structure, the inner ring end of the diaphragm is fixedly connected with the main shaft, and the outer ring end of the diaphragm is connected with the clutch bearing. 3 . One end face of the axial direction is facing each other, and the diaphragm and one end of the inner ring of the clutch bearing are fixedly connected by a connecting piece. There is a set gap between the diaphragm and the outer ring of the clutch bearing. The diaphragm can be elastically deformed along its radial direction, and the clutch The connecting piece can force the deformation of the diaphragm to be fixedly connected with one end face of the outer ring of the clutch bearing.

3 . The integrated diaphragm brake coupling according to claim 2 , wherein the clutch connecting piece can be installed in the housing so as to slide in the axial direction of the main shaft, and the end of the clutch connecting piece can abut against the back of the diaphragm. 4 . To the surface of one end of the outer ring of the clutch bearing, the diaphragm is closely attached to the end surface of one end of the outer ring of the clutch bearing, and the clutch driving device drives the clutch connecting piece to slide.

4. The integrated diaphragm brake coupling according to claim 3, characterized in that: a piston groove (5) is provided on the casing, a piston (6) is provided in the piston groove for dynamic sealing, and the bottom of the piston groove is provided with a piston (6). There is an air inlet which communicates with the external air path, and the end of the piston can extend out of the piston groove and press against the surface of the diaphragm.

5 . The integrated diaphragm brake coupling according to claim 2 , wherein a radially outer convex ring is fixed on the outer side of the circumference of the main shaft, and one end of the inner ring of the diaphragm is axially connected to the radially outer convex ring. 6 . One end is end-faced and fixed by connecting pieces.

6. The integrated diaphragm brake coupling according to claim 5, wherein the radially outer convex ring comprises an outer ring (7), a block (8) and a pressure ring (9), the The outer ring is sleeved on the outer side of the circumference of the main shaft, the inner side of the outer ring is a conical surface with an inner diameter of one end smaller than the inner diameter of the other end, and the block is a conical sleeve-like structure with an outer diameter of one end smaller than the outer diameter of the other end. In the gap between the outer ring and the main shaft, the pressure ring is fixedly installed on the outer ring.

7. The integrated diaphragm brake coupling according to claim 5, wherein the diaphragm is an annular spring steel sheet, and a plurality of hollow structures (10) are arranged on the spring steel sheet at even intervals, The spring steel sheet is also provided with a plurality of mounting holes (11) for connecting with the inner ring of the clutch bearing and the radially outer convex ring on the main shaft.

8. The integrated diaphragm brake coupling according to claim 1, characterized in that: the housing comprises an installation table (12), a support frame (13) and a shaft sleeve (14), and the installation table is fixed with a On the upper end of the support frame, a space for accommodating the motor is formed between the support frame and the installation table. The lower side of the installation table is also provided with a motor connection structure for fixing the motor. The installation table is provided with a main shaft hole for the main shaft to pass through. The connecting piece is fixedly installed on the upper end of the installation table, the shaft sleeve is sleeved on the outside of the coupling bearing, the side surface of the installation table is provided with an annular groove, the opening side of the annular groove is sealed and inserted with a cover, and the shaft sleeve is The lower surface is abutted on the upper surface of the cover, the upper side of the cover is opposite to the clutch bearing, and a cooling water channel (15) for cooling water to flow is formed between the annular groove and the cover.

9. The integrated diaphragm brake coupling according to claim 8, characterized in that: the output flange covers the surface of one end of the main shaft facing away from the motor, and an air passage (16) extending in the axial direction is formed on the inner side of the main shaft. ), the side wall of the main shaft is also connected with the connecting hole with its internal air passage, the axial ends of the main shaft hole of the installation table are respectively provided with sealing rings (17), the sealing ring is connected with the main shaft in a dynamic seal, and the installation table is provided with a sealing ring (17). The air supply channel (18) communicates with the main shaft hole located between the two sealing rings, and the connecting hole on the main shaft is just located between the two sealing rings, and the center of the output flange is formed with a central hole directly opposite to the air passage on the main shaft.

10. The integrated diaphragm brake coupling according to claim 9, wherein a radial groove (19) between the two sealing rings is formed on the inner surface of the main shaft hole on the mounting table surface, and the installation The air supply channel on the table just communicates with the radial groove.