CN217859699U

CN217859699U - System for welding bearing plate and foil of thrust foil bearing

Info

Publication number: CN217859699U
Application number: CN202222343185.9U
Authority: CN
Inventors: 王鹏辉; 赵宗煜; 罗荣彦; 刘强; 黄永德
Original assignee: Nanchang Hangkong University
Current assignee: Nanchang Hangkong University
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-22
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a system for welding a bearing plate and a foil of a thrust foil bearing, which relates to the technical field of thrust foil bearing manufacturing, and comprises a pressing piece, a first clamping piece, a second clamping piece and a welding device; first clamping piece and second clamping piece are used for pressing from both sides tight bearing plate, and first clamping piece is used for arranging the top of second clamping piece in, at least one spacing hole has been seted up on the first clamping piece, the quantity in spacing hole equals with the quantity of the foil that needs the welding on the bearing plate, each spacing hole is used for holding each foil, and the shape in each spacing hole and the shape and the size homogeneous phase of each foil are the same, the one end that compresses tightly the piece has the pressure head, the pressure head is used for being less than each foil with the area of each foil contact, and the pressure head can stretch into each spacing downthehole and compress tightly each foil on the bearing plate, the utility model discloses a system for welding thrust foil bearing's bearing plate and foil can fix foil and bearing plate effectively.

Description

System for welding bearing plate and foil of thrust foil bearing

Technical Field

The utility model relates to a thrust foil bearing makes technical field, especially relates to a system for be used for welding thrust foil bearing's bearing plate and foil.

Background

The foil bearing is a self-acting type dynamic pressure gas bearing which adopts an elastic element as a support, has the advantages of high rotating speed, no pollution, low friction power consumption, long service life, wide working temperature range, good stability, strong adaptability and the like compared with the traditional rigid and ball bearings, and has important application value and wide development prospect in the fields of aerospace, low-temperature refrigeration, national defense and the like.

The thrust foil bearing is one of foil bearings, mainly comprises a bearing plate, foils and the like (a plurality of foils are mainly welded on the surface of the bearing plate), is often used as a key supporting component in an inertial gyroscope and an aviation turbine device, and the performance, the service life and the reliability of the thrust foil bearing directly determine the performance of the whole mechanical system.

In the manufacturing process of the thrust foil bearing, the requirement on manufacturing precision is high, and the welding position between the bearing plate and the foil needs to be ensured to be accurate, so that the bearing plate and the foil need to be fixed, and when the bearing plate and the foil are fixed by applying a conventional pressing and fixing device, the foil is very thin, so that the accurate pressing and fixing is difficult to realize, the situation that the foil is pressed and displaced or the foil is loosened and displaced in the welding process often occurs, the actual welding position between the bearing plate and the foil cannot reach the expectation, and the quality of a welded product is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a system for welding thrust foil bearing's bearing plate and foil to solve the problem that above-mentioned prior art exists, can fix foil and bearing plate effectively.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a system for welding a bearing plate and a foil of a thrust foil bearing, which comprises a pressing piece, a first clamping piece, a second clamping piece and a welding device; the first clamping piece and the second clamping piece are used for clamping a bearing plate, the first clamping piece is used for being arranged above the second clamping piece, at least one limiting hole is formed in the first clamping piece, the number of the limiting holes is equal to the number of foil pieces needing to be welded on the bearing plate, each limiting hole is used for accommodating each foil piece, the shape and the size of each limiting hole are the same as those of each foil piece, a pressing head is arranged at one end of each pressing piece, the area of the pressing head, which is used for being in contact with each foil piece, is smaller than each foil piece, and the pressing head can extend into each limiting hole and press each foil piece on the bearing plate; the welding device is capable of welding the foils and the bearing plate.

Preferably, the device further comprises a lifting mechanism and a rotating mechanism;

the rotating mechanism comprises a rotation generating device and a rotation output end, the rotation generating device is in transmission connection with the rotation output end and can drive the rotation output end to rotate around the axis of the rotation output end, and the first clamping piece and the second clamping piece are arranged on the rotation output end and can rotate along with the rotation output end;

elevating system includes lift generating device and lift output, lift generating device be used for with lift output transmission is connected and can drive the lift output rises or descends, pressing means's keeping away from the one end of holding down head is used for locating on the lift output and can follow the lift output rises or descends, just the decline of lift output can drive the holding down head stretches into spacing downthehole and will the foil compress tightly in on the bearing plate, the rise of lift output can drive the holding down head leaves spacing hole.

Preferably, the device further comprises a first translation mechanism and a second translation mechanism;

the first translation mechanism comprises a first translation generating device and a first translation carrier, and the first translation generating device is in transmission connection with the first translation carrier and can drive the first translation carrier to translate along a first direction; the lifting mechanism is arranged on the first translation carrier and can move along with the first translation carrier;

the second translation mechanism comprises a second translation generating device and a second translation carrying body, and the second translation generating device is in transmission connection with the second translation carrying body and can drive the second translation carrying body to translate along the first direction; the rotating mechanism and the first translation mechanism are both arranged on the second translation carrier and can move along with the second translation carrier.

Preferably, the welding device further comprises a control module, wherein the control module is used for being in communication connection with the rotation generating device, the lifting generating device, the first translation generating device, the second translation generating device and the welding device and controlling the rotation generating device, the lifting generating device, the first translation generating device, the second translation generating device and the welding device to run or stop.

Preferably, the system further comprises a display module, wherein the display module is in communication connection with the control module and is used for man-machine interaction.

Preferably, the welding device further comprises an alarm device, wherein the alarm device can detect the moving positions of the rotation output end, the lifting output end, the first translation carrier and the second translation carrier and the working state of the welding device and can give an alarm.

Preferably, the pressing piece comprises a retainer, a support piece and the pressing head, the retainer is used for being fixedly arranged on the lifting output end and can ascend or descend along with the lifting output end, one end of the support piece is used for being arranged on the retainer, one end of the pressing head is used for being arranged at the other end of the support piece, and the other end of the pressing head can extend into the limiting hole and press the foil piece on the bearing plate.

Preferably, the pressing part further comprises an elastic part, one end of the elastic part is used for contacting with the retainer, and the other end of the elastic part is used for contacting with one end of the pressing head, which is far away from the limiting hole; one end of the compressing head, which is far away from the limiting hole, can be rotatably arranged on one end of the supporting piece, which is far away from the retainer, around any axis, and the compressing head is pressed by the elastic piece and can be tightly attached to the foil.

Preferably, one end of the pressing head, which is far away from the retainer, is provided with a plurality of comb-tooth bodies, and the comb-tooth bodies are used for being in contact with the foil and pressing the foil onto the bearing plate.

Preferably, the welding device is a pulse laser spot welder, and laser emitted by the welding device can penetrate through a gap between any two adjacent comb tooth bodies and reach the foil.

The utility model discloses for prior art gain following technological effect:

the utility model provides a system for a bearing plate and foil piece for welding thrust foil bearing, it is fixed with the bearing plate clamp through first clamping piece and second clamping piece realization, and be used for on the first clamping piece with the bearing plate contact set up shape and the size and the shape of foil piece and the spacing hole that the size is the same all on the surface, each foil piece that will need to weld on the bearing plate is put into each spacing hole respectively, through each spacing hole restraint, restriction each foil piece is the removal dislocation when pressurized and the not hard up aversion that can appear in welding process, thereby the rethread pressing part compresses tightly the foil piece on the bearing plate and accomplishes the welding, thereby can guarantee that the welding position between bearing plate and the foil piece is accurate, realize that actual welding position reaches the expectation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a system for welding a bearing plate and foil of a thrust foil bearing according to the present invention;

FIG. 2 is a schematic front view of a system for welding a bearing plate and a foil of a thrust foil bearing according to the present invention;

FIG. 3 is a schematic left side view of the system for welding the bearing plate and foil of the thrust foil bearing of FIG. 2;

FIG. 4 is a schematic top view of the system for welding the bearing plate and foil of the thrust foil bearing of FIG. 2.

In the figure: 100-a system for welding a bearing plate and a foil of a thrust foil bearing, 1-a pressing piece, 11-a retainer, 12-a supporting piece, 13-a pressing head, 14-a comb body, 2-a first clamping piece, 3-a second clamping piece, 4-a limiting hole, 5-a rotating mechanism, 51-a rotation generating device, 52-a rotation output end, 6-a lifting mechanism, 61-a lifting generating device, 62-a lifting output end, 7-a first translation mechanism, 71-a first translation generating device, 72-a first translation bearing body, 8-a second translation mechanism, 81-a second translation generating device, 82-a second translation bearing body and 9-a display module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.

The utility model provides a system 100 for welding a bearing plate and a foil of a thrust foil bearing, as shown in figures 1-4, comprising a pressing member 1, a first clamping member 2, a second clamping member 3 and a welding device; the first clamping piece 2 and the second clamping piece 3 are used for clamping a bearing plate, the first clamping piece 2 is used for being arranged above the second clamping piece 3, at least one limiting hole 4 is formed in the first clamping piece 2, the number of the limiting holes 4 is equal to the number of foil pieces needing to be welded on the bearing plate, each limiting hole 4 is used for containing each foil piece, the shape and the size of each limiting hole 4 are the same as those of each foil piece, a pressing head 13 is arranged at one end of the pressing piece 1, the area of the pressing head 13, which is used for being in contact with each foil piece, is smaller than each foil piece, and the pressing head 13 can extend into each limiting hole 4 and press each foil piece on the bearing plate; the welding device is capable of welding the foils and the bearing plate.

Therefore, the utility model provides a system 100 for bearing plate and foil piece of welding thrust foil bearing, it is fixed with the bearing plate clamp through first clamping piece 2 and the realization of second clamping piece 3, and be used for on first clamping piece 2 with the bearing plate contact on the surface set up shape and size and the shape of foil piece and the equal same spacing hole 4 of size, each foil piece that will need to weld on the bearing plate is put into each spacing hole 4 respectively, through the restraint of each spacing hole 4, the removal dislocation of restriction each foil piece when pressurized and the not hard up aversion that can appear in welding process, thereby rethread pressing part 1 compresses tightly the foil piece on the bearing plate and accomplishes the welding, thereby can guarantee that the welding position between bearing plate and the foil piece is accurate, realize that actual welding position reaches the expectation.

Further, the system 100 for welding a bearing plate and a foil of a thrust foil bearing provided by the present invention further comprises a lifting mechanism 6 and a rotating mechanism 5; the rotating mechanism 5 comprises a rotation generating device 51 and a rotation output end 52, the rotation generating device 51 is in transmission connection with the rotation output end 52 and can drive the rotation output end 52 to rotate around the axis of the rotation output end 52, and the first clamping piece 2 and the second clamping piece 3 are arranged on the rotation output end 52 and can rotate along with the rotation output end 52; lifting mechanism 6 includes lift generating device 61 and lift output 62, lift generating device 61 is used for being connected with lift output 62 transmission and can drive lift output 62 and rise or descend, the one end of keeping away from the pressure head 13 of pressing member 1 is used for locating on lift output 62 and can follow lift output 62 and rise or descend, and lift output 62 descends and can drive pressure head 13 and stretch into spacing hole 4 and compress tightly the foil piece on the bearing plate, lift output 62 rises and can drive pressure head 13 and leave spacing hole 4, cooperation through elevating system 6 and slewing mechanism 5, can weaken the influence of welding stress to foil piece and bearing plate effectively, and work efficiency is higher, specifically, often need to have a plurality of welding position on the same foil piece, and the temperature can rise in the twinkling of an eye during the welding, if concentrate on certain foil piece for a long time and carry out the welding operation, the concentration of welding stress will lead to the foil piece deformation, seriously influence welded product quality, if wait to continue to weld after being welded foil piece cooling, need consume the time, work efficiency is low, and the utility model provides a bearing plate for welding mechanism for welding and bearing plate and bearing, the foil piece can realize that the last welding position of foil piece goes back to the last welding position and carry out the reciprocal welding mechanism of foil piece, it can go back to carry out the last welding position to carry out the cooperation of a plurality of foil piece, it with the foil piece, it is to carry out the last welding mechanism again, it is to carry out the last welding position to carry out the last welding mechanism again, and carry out the reciprocal welding position of foil piece, it is not to carry out the last welding mechanism, it is to carry out the last welding position of foil piece, and carry out the last welding mechanism, it is to carry out the last welding position of foil piece.

Further, the system 100 for welding a bearing plate and a foil of a thrust foil bearing provided by the present invention further comprises a first translation mechanism 7 and a second translation mechanism 8; the first translation mechanism 7 comprises a first translation generating device 71 and a first translation carrier 72, wherein the first translation generating device 71 is used for being in transmission connection with the first translation carrier 72 and can drive the first translation carrier 72 to translate along a first direction; the lifting mechanism 6 is arranged on the first translation carrier 72 and can move along with the first translation carrier 72; the second translation mechanism 8 comprises a second translation generating device 81 and a second translation carrier 82, wherein the second translation generating device 81 is in transmission connection with the second translation carrier 82 and can drive the second translation carrier 82 to translate along the first direction; the rotating mechanism 5 and the first translating mechanism 7 are both arranged on the second translating carrier 82 and can move along with the second translating carrier 82, and the position adjustment of the lifting mechanism 6 in the first direction can be realized through the first translating mechanism 7, so that the pressing member 1 can be further adjusted in all directions in the first direction and the lifting direction, and the pressing operation on each foil is more convenient and flexible, the combined motion space trajectory can effectively make up for the defect of positioning error caused by improper installation, the production period can be shortened, and the welding precision is improved, it should be noted here that the specific transmission connection structure or form can refer to any transmission connection structure or form which can convert the power of the power generating device into the linear movement of the driven member, for example: the transmission connection structure between the lifting generating device 61 and the lifting output end 62 can be a screw nut transmission mechanism, the lifting generating device 61 (which can be a motor) drives a screw to rotate, and the screw rotates to drive a nut (the nut is fixedly connected with the lifting output end 62) to move; the transmission connection structure between the first translation generating device 71 and the first translation carrier 72 may be a screw-nut transmission mechanism, the first translation generating device 71 (which may be a motor) drives a screw to rotate, and the screw rotates to drive a nut (the nut is fixedly connected with the first translation carrier 72) to move; the transmission connection structure between the second translation generating device 81 and the second translation supporting body 82 may be a screw and nut transmission mechanism, the second translation generating device 81 (which may be a motor) drives a screw to rotate, and the screw rotates to drive a nut (the nut is fixedly connected with the second translation supporting body 82) to move.

Further, the utility model provides a system 100 for welding thrust foil bearing's bearing plate and foil still includes control module, control module is used for with rotate generating device 51, lift generating device 61, first translation generating device 71, second translation generating device 81 and welding set communication connection and can control and rotate generating device 51, lift generating device 61, first translation generating device 71, second translation generating device 81 and welding set operation or stop, degree of automation is higher, greatly reduced thrust foil bearing's manufacturing cost, thrust foil bearing's welding efficiency has been improved, wherein comparatively preferably, rotate generating device 51, lift generating device 61, the power generation concrete form of first translation generating device 71 and second translation generating device 81 all adopts the motor, and is convenient for control, and the action response speed is very fast.

Further, the utility model provides a system 100 for welding thrust foil bearing's bearing plate and foil still includes display module 9, display module 9 is used for being used for with control module communication connection and man-machine interaction, the operator can observe foil and bearing plate welded real-time status through the touch-control display screen in display module 9, rotation output 52, lift output 62, the real-time position and the rotation generating device 51 of first translation supporting body 72 and second translation supporting body 82, lift generating device 61, first translation generating device 71, second translation generating device 81 and welding set's real-time operating parameter etc., and still can realize control and adjustment to above-mentioned parameter through touching touch-control display screen, the real-time status monitoring and the welding condition inspection in the welding process have been made things convenient for greatly, can realize carrying out effective control to each flow in the welding process, improve foil spot welding precision, practice thrift welding time, thereby improve the quality and the efficiency of welding foil, in addition, touch-control display screen can also attach the net function incidentally, realize the control mode of multiple forms such as central control room remote control, cell-phone program control.

Further, the utility model provides a system 100 for welding thrust foil bearing's bearing plate and foil still includes alarm device, alarm device can detect rotation output 52, lift output 62, alarm device reports to the police when moving to predetermined extreme stroke position of first translation supporting body 72 and second translation supporting body 82 and welding set's operating condition (the welding progress is different, then the gas atmosphere is different, alarm device reports to the police when welding produced gas concentration appears unusually) and can send the police, concretely, alarm device can be by the alarm lamp, infrared sensor, conventional components such as gas detection sensor and micro-gap switch constitute, can combine to rotate output 52, lift supporting body output 62, the stroke of motion such as first translation supporting body 72 and second translation supporting body 82 is specific to go to set up infrared distance sensor or micro-gap switch and carry out position monitoring to it, can indirectly realize the monitoring to the welding state through setting up the gas condition that gas detection sensor monitoring welding produced, trigger the alarm lamp when waiting to appear unusually and report to the police and come the warning operating personnel to correspond the adjustment with this.

Further, the pressing member 1 includes a holder 11, a support member 12 and a pressing head 13, the holder 11 is used for being fixedly arranged on the lifting output end 62 and can ascend or descend along with the lifting output end 62, one end of the support member 12 is used for being arranged on the holder 11, one end of the pressing head 13 is used for being arranged on the other end of the support member 12, and the other end of the pressing head 13 can extend into the limiting hole 4 and press the foil onto the bearing plate.

Furthermore, the pressing part 1 further comprises an elastic part, one end of the elastic part is used for being in contact with the retainer 11, and the other end of the elastic part is used for being in contact with one end, far away from the limiting hole 4, of the pressing head 13; one end of the pressing head 13, which is far away from the limiting hole 4, can be rotatably arranged on one end of the support 12, which is far away from the holder 11, around any axis, and the pressing head 13 can be tightly attached to the foil under the compression of the elastic part, so that the situation that the foil is not pressed in place and the welding quality is poor due to tilting or deflection of the pressing head 13 caused by the flatness problem can be avoided.

Furthermore, one end of the compressing head 13, which is far away from the holder 11, is provided with a plurality of comb teeth 14, the comb teeth 14 are used for contacting with the foil and compressing the foil on the bearing plate, and the comb teeth 14 are directly contacted with the foil, so that the compressing force borne by the whole foil can be reduced as much as possible on the premise of ensuring that the foil is effectively compressed, and the foil is prevented from being pressed and deformed.

Furthermore, the welding device is a pulse laser spot welder, and laser emitted by the welding device can penetrate through a gap between any two adjacent comb tooth bodies 14 and reach the foil, so that the operation is convenient, and the welding efficiency can be improved.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A system for welding a bearing plate and a foil of a thrust foil bearing, characterized by: the clamping device comprises a pressing piece, a first clamping piece, a second clamping piece and a welding device; the first clamping piece and the second clamping piece are used for clamping a bearing plate, the first clamping piece is used for being arranged above the second clamping piece, at least one limiting hole is formed in the first clamping piece, the number of the limiting holes is equal to the number of foil pieces needing to be welded on the bearing plate, each limiting hole is used for accommodating each foil piece, the shape and the size of each limiting hole are the same as those of each foil piece, a pressing head is arranged at one end of each pressing piece, the area of the pressing head, which is used for being in contact with each foil piece, is smaller than each foil piece, and the pressing head can extend into each limiting hole and press each foil piece on the bearing plate; the welding device is capable of welding the foils and the bearing plate.

2. A system for welding a bearing plate and a foil of a thrust foil bearing according to claim 1, wherein: the device also comprises a lifting mechanism and a rotating mechanism;

the rotating mechanism comprises a rotation generating device and a rotation output end, the rotation generating device is in transmission connection with the rotation output end and can drive the rotation output end to rotate around the axis of the rotation output end, and the first clamping piece and the second clamping piece are both arranged on the rotation output end and can rotate along with the rotation output end;

3. A system for welding a bearing plate and a foil of a thrust foil bearing according to claim 2, wherein: the device also comprises a first translation mechanism and a second translation mechanism;

the second translation mechanism comprises a second translation generating device and a second translation carrying body, and the second translation generating device is in transmission connection with the second translation carrying body and can drive the second translation carrying body to translate along the first direction; the rotating mechanism and the first translation mechanism are both used for being arranged on the second translation carrier and can move along with the second translation carrier.

4. A system for welding a bearing plate and foil of a thrust foil bearing according to claim 3, wherein: the control module is used for being in communication connection with the rotation generating device, the lifting generating device, the first translation generating device, the second translation generating device and the welding device and can control the rotation generating device, the lifting generating device, the first translation generating device, the second translation generating device and the welding device to run or stop.

5. A system for welding a bearing plate and a foil of a thrust foil bearing according to claim 4, wherein: the display module is in communication connection with the control module and used for man-machine interaction.

6. A system for welding a bearing plate and foil of a thrust foil bearing according to claim 3, wherein: the welding device further comprises an alarm device, wherein the alarm device can detect the moving positions of the rotating output end, the lifting output end, the first translation bearing body and the second translation bearing body and the working state of the welding device and can give an alarm.

7. A system for welding a bearing plate and a foil of a thrust foil bearing according to claim 2, wherein: the pressing piece comprises a retainer, a supporting piece and a pressing head, the retainer is fixedly arranged on the lifting output end and can follow the lifting output end to ascend or descend, one end of the supporting piece is arranged on the retainer, one end of the pressing head is arranged on the other end of the supporting piece, and the other end of the pressing head can extend into the limiting hole and press the foil onto the bearing plate.

8. The system for welding a bearing plate and foil of a thrust foil bearing according to claim 7, wherein: the pressing piece further comprises an elastic piece, one end of the elastic piece is used for being in contact with the retainer, and the other end of the elastic piece is used for being in contact with one end, far away from the limiting hole, of the pressing head; one end of the pressing head, which is far away from the limiting hole, can be rotatably arranged on one end of the supporting piece, which is far away from the retainer, around any axis, and the pressing head is pressed by the elastic piece and can be tightly attached to the foil.

9. The system for welding a bearing plate and a foil of a thrust foil bearing of claim 7, wherein: and one end of the pressing head, which is far away from the retainer, is provided with a plurality of comb tooth bodies, and the comb tooth bodies are used for being in contact with the foil and pressing the foil onto the bearing plate.

10. A system for welding a bearing plate and a foil of a thrust foil bearing according to claim 9, wherein: the welding device is a pulse laser spot welder, and laser emitted by the welding device can penetrate through a gap between any two adjacent comb tooth bodies and reach the foil.