CN114382780A

CN114382780A - High-pressure injection molding radial spherical plain bearing

Info

Publication number: CN114382780A
Application number: CN202210110157.4A
Authority: CN
Inventors: 杨春平
Original assignee: Taizhou Zhongding Machinery Co ltd
Current assignee: Taizhou Zhongding Machinery Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-04-22
Anticipated expiration: 2042-01-29
Also published as: CN114382780B

Abstract

The invention provides a high-pressure injection molding radial spherical plain bearing which comprises a main body mechanism, a detection mechanism and a transmission mechanism, wherein the main body mechanism comprises an external fixed block and a bearing inner ring; the detection mechanism comprises a wind-spiral alarm, a temperature-sensing expansion piece, a heat conducting sheet, a magnet block, an iron fixed block, a sliding block and a first spring; the wind spiral alarm is embedded in the upper surface of the external fixing block, a first cavity is formed in the wind spiral alarm, and the inner wall of the first cavity is connected with a sliding block in a sliding mode; the wear-resistant layer is injected on the outer wall of the bearing inner ring, so that the coating mode in the prior art is distinguished, and the wear-resistant performance is improved. Through setting up drive assembly, cooperation temperature sensing inflation piece, when bearing inner race rotated the production too high heat, temperature sensing inflation piece inflation, drive gyro wheel contact bearing inner race outer wall, drive the drive pulley rotation, and transmission driven pulley two rotates for the wind spiral shell siren sends the police dispatch newspaper sound, and the signal staff cools down bearing inner race, improves bearing life.

Description

High-pressure injection molding radial spherical plain bearing

Technical Field

The invention relates to the technical field of joint bearings, in particular to a high-pressure injection molding radial joint bearing.

Background

The joint bearing is a spherical sliding bearing, the sliding contact surface of the joint bearing is an inner spherical surface and an outer spherical surface, the joint bearing can rotate and swing at any angle during movement, and the joint bearing is manufactured by adopting a plurality of special processing methods such as surface phosphorization, deep-fried mouth, embedding, spraying and the like.

The invention is disclosed in China: CN202010491653.X A gear shaft is wear-resisting joint bearing for forging press, it discloses a joint bearing, through installing the spin in the mounting groove, the ball is rolling contact with the bearing inner race, can reduce the friction that the bearing inner race produced in the rotation process for the bearing inner race is more wear-resisting, and has the effect of automatic adding lubricating oil, thereby greatly reduces the wearing and tearing in the bearing inner race use, makes bearing inner race life longer, nevertheless some problem need improve still.

Most are equipped with the copper bush in the outside among the traditional radial bearing, the internal surface scribbles wear-resistant material, thereby guarantee the stability of inner circle, but copper wear-resistant material damages easily, rigidity collision can produce great frictional force and impact force in the rotation process, and reduce life, and current bearing can produce a large amount of heats at the rotation in-process, can lead to the bearing to damage when the high temperature, reduce the life of bearing, current bearing can't make long-time warning, for this reason, a high pressure is moulded plastics radial spherical plain bearing is proposed.

Disclosure of Invention

In order to solve the technical problem, the invention provides a high-pressure injection molding radial spherical plain bearing which comprises a main body mechanism, a detection mechanism and a transmission mechanism, wherein the main body mechanism comprises an external fixed block and a bearing inner ring;

the detection mechanism comprises a wind-spiral alarm, a temperature-sensing expansion piece, a heat conducting sheet, a magnet block, an iron fixed block, a sliding block and a first spring;

wind spiral shell siren embedded installation is in the upper surface of outside fixed block, the inside of wind spiral shell siren is equipped with cavity one, the inner wall sliding connection of cavity one has the slider, one side of temperature sensing inflation piece bonds in the inner wall of cavity one, the opposite side of temperature sensing inflation piece is fixed with the one end of spring one, the other end of spring one is fixed with one side of slider, the opposite side and the iron fixed block of slider are fixed, magnet piece fixed connection is in the inner wall of cavity one, before temperature sensing inflation piece does not take place deformation, there is the clearance between magnet piece and the iron fixed block, the upper surface of slider passes through drive mechanism and the inner circle fixed connection.

Further preferred is: the bearing inner ring is arranged inside the external fixed block.

Further preferred is: the main body mechanism further comprises two arc-shaped grooves and a wear-resistant layer, the two arc-shaped grooves are symmetrically arranged on the upper surface of the external fixed block, and the two arc-shaped grooves are located on two sides of the bearing inner ring.

Further preferred is: the above-mentionedAnd the inner part of the wear-resistant layer is subjected to high-temperature and high-pressure injection molding.

Further preferred is: the heat conducting sheet is fixedly connected inside the first cavity and is positioned at the bottom of the temperature sensing expansion piece.

Further preferred is: the transmission mechanism comprises a driving belt pulley, a driven belt pulley I, a driven belt pulley II and a transmission roller;

the upper surface of the sliding block is rotatably connected with a transmission roller through a bearing, the transmission roller is fixed with a driving belt pulley, the driving belt pulley is in transmission connection with a driven belt pulley II through an elastic belt, and the inner wall of the driven belt pulley II is fixedly connected with the inner ring of the wind spiral alarm.

Further preferred is: the device also comprises an oil injection mechanism;

the oil injection mechanism comprises a rotating shaft, a fixed plate, a push plate, an arc-shaped plate, a soft oil injection pot, an oil collecting plate and a second spring;

two cavities two have been seted up to the upper surface symmetry of outside fixed block, two cavities two are located the both sides of cavity one, and cavity two communicates with cavity one, the quantity of driven pulley one is two, the inboard rotation that the bearing was passed through at the outside top of driven pulley one and the fixed plate is connected, one side of fixed plate welds in the inner wall of cavity two, the bottom of axis of rotation welds with the top of driven pulley one, driven pulley one passes through the elastic band transmission with driving pulley and is connected.

Further preferred is: the outside welding of axis of rotation has the push pedal, the inner wall welding of cavity two has four springs two, and the one end of spring two welds with the outside of arc, one side of the inboard laminating push pedal of arc.

Further preferred is: and a soft oil injection pot is bonded on the inner wall of the second cavity, and an oil outlet of the soft oil injection pot is communicated with an oil collecting plate.

Further preferred is: the soft oil spray can is positioned between the four springs II.

Due to the adoption of the technical scheme, the embodiment of the invention has the following advantages:

firstly, through the wearing layer of moulding plastics at the bearing inner race outer wall, distinguish the mode of coating among the prior art, improved wear resistance.

Two, through setting up drive assembly, cooperation temperature sensing inflation piece, when bearing inner race rotates the production too high heat, temperature sensing inflation piece inflation, drive gyro wheel contact bearing inner race outer wall, drive driving pulley rotates, and two rotations of transmission driven pulley for the wind spiral shell siren sends the police dispatch newspaper sound, and the signal staff cools down bearing inner race, improves bearing life.

And thirdly, through the oil injection mechanism, when the temperature of the bearing is too high, lubricating oil is injected, the lubrication degree is improved, the wear resistance is improved again, and the lubricating oil temperature in the soft oil injection kettle belongs to a normal temperature state, so that a certain cooling effect can be achieved.

And fourthly, after the temperature of the bearing inner ring is cooled, the temperature sensing expansion piece contracts to drive each element to automatically reset.

The invention has the functions of wear resistance, high-temperature detection, service life prolonging and temperature reduction to a certain extent.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a connection structure diagram of a driving pulley, a driven pulley I and a driven pulley II according to the present invention;

FIG. 4 is a diagram of the connection structure of the temperature-sensitive expansion element, the spring and the slider according to the present invention;

FIG. 5 is a connecting pattern of the driving pulley and the driven pulley of the present invention;

FIG. 6 is a view showing the construction of the connection between the driving pulley and the driving roller according to the present invention;

FIG. 7 is a connection structure diagram of a wind snail alarm and a driven pulley II of the invention;

fig. 8 is a first external fixing block structure diagram according to a second embodiment of the present invention;

fig. 9 is a second structure diagram of an external fixing block according to a second embodiment of the present invention;

FIG. 10 is a connecting structure of the push plate and the arc plate according to the present invention;

fig. 11 is a connection structure diagram of the arc-shaped plate and the soft oil spray can of the invention.

Reference numerals: 10. a main body mechanism; 11. an external fixing block; 12. a bearing inner race; 13. an arc-shaped slot; 14. a wear layer; 20. a detection mechanism; 21. a whelk alarm; 22. a temperature-sensitive expansion member; 23. a heat conductive sheet; 24. a magnet block; 25. an iron fixed block; 26. a slider; 27. a first spring; 28. a first cavity; 29. a second cavity; 30. a transmission mechanism; 31. a drive pulley; 32. a driven pulley I; 33. a driven pulley II; 34. a transmission roller; 40. an oil injection mechanism; 41. a rotating shaft; 42. a fixing plate; 43. pushing the plate; 44. an arc-shaped plate; 45. a soft oil spray can; 46. an oil collecting plate; 47. and a second spring.

Detailed Description

Example one

As shown in fig. 1-11, an embodiment of the present invention provides a high pressure injection molding radial spherical plain bearing, including a main body mechanism 10, a detection mechanism 20 and a transmission mechanism 30, where the main body mechanism 10 includes an external fixed block 11 and a bearing inner ring 12;

the detection mechanism 20 comprises a wind-spiral alarm 21, a temperature-sensing expansion piece 22, a heat conducting sheet 23, a magnet block 24, an iron fixed block 25, a sliding block 26 and a first spring 27;

the wind spiral alarm 21 is embedded in the upper surface of the external fixed block 11, a first cavity 28 is arranged inside the wind spiral alarm 21, a sliding block 26 is connected to the inner wall of the first cavity 28 in a sliding mode, one side of the temperature-sensing expansion piece 22 is bonded to the inner wall of the first cavity 28, the other side of the temperature-sensing expansion piece 22 is fixed to one end of a first spring 27, the other end of the first spring 27 is fixed to one side of the sliding block 26, the other side of the sliding block 26 is fixed to an iron fixed block 25, a magnet block 24 is fixedly connected to the inner wall of the first cavity 28, a gap exists between the magnet block 24 and the iron fixed block 25 before the temperature-sensing expansion piece 22 is not deformed, and the upper surface of the sliding block 26 is fixedly connected with the inner ring of the wind spiral alarm 21 through a transmission mechanism 30.

In this embodiment, specifically: the bearing inner ring 12 is installed inside the external fixing block 11, and the bearing inner ring 12 is used for being connected with an external connecting piece.

In this embodiment, specifically: the heat conducting sheet 23 is fixedly connected inside the first cavity 28, the heat conducting sheet 23 is located at the bottom of the temperature sensing expansion part 22, the heat conducting sheet 23 has heat conducting performance and is made of any material with high heat conducting performance, such as copper, and the heat conducting sheet 23 transmits heat generated by friction in the working process of the bearing inner ring 12 to the temperature sensing expansion part 22, so that the temperature sensing expansion part 22 deforms.

In this embodiment, specifically: the transmission mechanism 30 comprises a driving pulley 31, a driven pulley I32, a driven pulley II 33 and a transmission roller 34;

the upper surface of slider 26 rotates through the bearing and is connected with drive roller 34, drive roller 34 is fixed with drive pulley 31, drive pulley 31 passes through the elastic webbing and is connected with two 33 transmissions of driven pulley, the inner wall of two 33 driven pulley and the inner circle fixed connection of wind spiral shell siren 21, when drive pulley 31 rotates, can drive the inner circle rotation of wind spiral shell siren 21 for wind spiral shell siren 21 carries out mechanical alarm, and the signal staff breaks down.

In this embodiment, specifically: the radial spherical plain bearing further comprises an oil injection mechanism 40;

the oil injection mechanism 40 comprises a rotating shaft 41, a fixed plate 42, a push plate 43, an arc-shaped plate 44, a soft oil injection pot 45, an oil collection plate 46 and a second spring 47;

two cavities two 29 have been seted up to the upper surface symmetry of outside fixed block 11, two cavities two 29 are located the both sides of cavity one 28, and cavity two 29 and cavity one 28 intercommunication, the quantity of driven pulley one 32 is two, the inboard rotation that the bearing was passed through at the outside top of driven pulley one 32 and fixed plate 42 is connected, one side of fixed plate 42 welds in the inner wall of cavity two 29, the bottom of axis of rotation 41 and the top welding of driven pulley one 32, driven pulley one 32 passes through the elastic webbing transmission with driving pulley 31 and is connected, when driving pulley 31 rotates, can drive driven pulley one 32 and rotate, driven pulley one 32 drives axis of rotation 41 and rotates, axis of rotation 41 drives push pedal 43 and rotates, arc 44 is pressed in the circulation of push pedal 43, soft oil spout kettle 45 is extruded to arc 44.

In this embodiment, specifically: the push plate 43 is welded on the outer side of the rotating shaft 41, the four second springs 47 are welded on the inner wall of the second cavity 29, one ends of the second springs 47 are welded on the outer side of the arc-shaped plate 44, the inner side of the arc-shaped plate 44 is attached to one side of the push plate 43, and the second springs 47 are used for enabling the arc-shaped plate 44 to reset.

In this embodiment, specifically: the inner wall of the second cavity 29 is bonded with a soft oil spray can 45, an oil outlet of the soft oil spray can 45 is communicated with an oil collecting plate 46, lubricating oil is arranged inside the soft oil spray can 45, and when the soft oil spray can 45 is extruded, the soft oil spray can 45 is sprayed on the outer wall of the bearing inner ring 12 through the oil collecting plate 46, so that a lubricating effect is achieved, and the wear resistance is improved.

In this embodiment, specifically: the soft oil spray can 45 is positioned between the four second springs 47.

Example two

As shown in fig. 1, the present invention further provides an embodiment, which is different from the first embodiment: a kind of high-pressure injection molding radial spherical plain bearing, the body mechanism 10 also includes arc-shaped groove 13 and wear-resisting layer 14, the arc-shaped groove 13 is opened two totally, two arc-shaped grooves 13 are opened symmetrically in the upper surface of the external fixed block 11, two arc-shaped grooves 13 are located at both sides of the bearing inner race 12, the wear-resisting layer 14 of high-temperature high-pressure injection molding of inside of the wear-resisting layer 14; the wear-resistant layer 14 is made by adopting an injection molding mode, so that the wear-resistant material has higher wear resistance, and the wear-resistant material is superfine high-hardness ceramic powder T-60P produced by the Changiu new material company Limited in the deep processing market.

EXAMPLE III

The invention also provides an embodiment, the temperature-sensing expansion piece 22 comprises a closed shell with deformability, the closed shell is internally provided with easily gasified liquid, such as alcohol, and a shell for limiting the shape change direction of the closed shell, the closed shell is covered in the shell and is provided with a pushing plate connected with the closed shell, the pushing plate is connected with a first spring 27, after the heat conducting strip 23 transfers heat to the closed shell, the liquid in the closed shell is gasified, the closed shell expands, the pushing plate pushes the first spring 27 to move, an iron fixed block 25 contacts a magnet block 24, at the moment, the outer wall of the transmission roller 34 is attached to the outer wall of the bearing inner ring 12, and the transmission roller 34 can rotate.

In this embodiment: the first spring 27 can be replaced by a connecting rod made of any material according to requirements.

The invention is in operation: when the bearing inner ring 12 rotates, the heat generated by friction is too high when the bearing inner ring 12 rotates, the heat is transmitted to the temperature-sensing expansion piece 22 through the heat conducting sheet 23, the temperature-sensing expansion piece 22 expands, the iron fixing block 25 contacts the magnet block 24, at the moment, the outer wall of the transmission roller 34 is attached to the outer wall of the bearing inner ring 12, the transmission roller 34 rotates to drive the driving pulley 31 to rotate, the driving pulley 31 drives the driven pulley two 33 to rotate, the driven pulley two 33 drives the rotating inner ring of the wind-spiral alarm 21 to rotate, the wind-spiral alarm 21 gives an alarm sound, so that a worker is reminded of overhigh bearing temperature, the worker can timely perform treatment, when the bearing inner ring 12 stops rotating, after the temperature is reduced, the temperature-sensing expansion piece 22 contracts, so that the iron fixing block 25 and the magnet block 24 are driven by the spring one 27, and the transmission roller 34 and the driving pulley 31 are separated, thereby stopping the sound of the wind snail alarm 21.

The driving belt pulley 31 can drive the driven belt pulley 32 to rotate when rotating, the driven belt pulley 32 drives the rotating shaft 41 to rotate, the rotating shaft 41 drives the push plate 43 to rotate, the push plate 43 presses the arc-shaped plate 44 circularly, the arc-shaped plate 44 extrudes the soft oil spraying pot 45, and the soft oil spraying pot 45 is sprayed on the outer wall of the bearing inner ring 12 through the oil collecting plate 46, so that the lubricating effect is achieved, and the wear resistance is improved.

Claims

1. The utility model provides a high pressure is moulded plastics to spherical plain bearing, includes main part mechanism (10), detection mechanism (20) and drive mechanism (30), its characterized in that: the main body mechanism (10) comprises an external fixed block (11) and a bearing inner ring (12);

the detection mechanism (20) comprises a wind-spiral alarm (21), a temperature-sensing expansion piece (22), a heat conducting sheet (23), a magnet block (24), an iron fixed block (25), a sliding block (26) and a first spring (27);

the wind spiral shell alarm (21) is embedded in the upper surface of an external fixed block (11), a first cavity (28) is arranged inside the wind spiral shell alarm (21), a sliding block (26) is connected to the inner wall of the first cavity (28) in a sliding mode, one side of a temperature sensing expansion piece (22) is bonded to the inner wall of the first cavity (28), the other side of the temperature sensing expansion piece (22) is fixed to one end of a first spring (27), the other end of the first spring (27) is fixed to one side of the sliding block (26), the other side of the sliding block (26) is fixed to an iron fixed block (25), a magnet block (24) is fixedly connected to the inner wall of the first cavity (28), before the temperature sensing expansion piece (22) is not deformed, a gap exists between the magnet block (24) and the iron fixed block (25), and the upper surface of the sliding block (26) is fixedly connected with the inner ring of the wind spiral shell alarm (21) through a transmission mechanism (30).

2. A high pressure injection molded radial spherical plain bearing according to claim 1, wherein: the bearing inner ring (12) is arranged inside the external fixed block (11).

3. A high pressure injection molded radial spherical plain bearing according to claim 1, wherein: the main body mechanism (10) further comprises arc-shaped grooves (13) and a wear-resistant layer (14), the number of the arc-shaped grooves (13) is two, the two arc-shaped grooves (13) are symmetrically arranged on the upper surface of the external fixed block (11), and the two arc-shaped grooves (13) are located on two sides of the bearing inner ring (12).

4. A high pressure injection molded radial spherical plain bearing according to claim 3, wherein: and the inner part of the wear-resistant layer (14) is subjected to high-temperature and high-pressure injection molding to form the wear-resistant layer (14).

5. A high pressure injection molded radial spherical plain bearing according to claim 1, wherein: the heat conducting sheet (23) is fixedly connected to the inside of the first cavity (28), and the heat conducting sheet (23) is located at the bottom of the temperature sensing expansion piece (22).

6. A high pressure injection molded radial spherical plain bearing according to claim 1, wherein: the transmission mechanism (30) comprises a driving belt pulley (31), a driven belt pulley I (32), a driven belt pulley II (33) and a transmission roller (34);

the upper surface of the sliding block (26) is rotatably connected with a transmission roller (34) through a bearing, the transmission roller (34) is fixed with a driving belt pulley (31), the driving belt pulley (31) is in transmission connection with a second driven belt pulley (33) through an elastic belt, and the inner wall of the second driven belt pulley (33) is fixedly connected with the inner ring of the wind-spiral alarm (21).

7. The high pressure injection molded radial spherical plain bearing according to claim 6, wherein: the device also comprises an oil injection mechanism (40);

the oil injection mechanism (40) comprises a rotating shaft (41), a fixing plate (42), a push plate (43), an arc-shaped plate (44), a soft oil injection pot (45), an oil collection plate (46) and a second spring (47);

two cavities two (29) have been seted up to the upper surface symmetry of outside fixed block (11), two cavities two (29) are located the both sides of cavity one (28), and cavity two (29) and cavity one (28) intercommunication, the quantity of driven pulley one (32) is two, the inboard rotation that the bearing was passed through to the outside top of driven pulley one (32) is connected with fixed plate (42), the inner wall in cavity two (29) is welded to one side of fixed plate (42), the bottom of axis of rotation (41) and the top welding of driven pulley one (32), driven pulley one (32) are connected through the elastic band transmission with drive pulley (31).

8. The high pressure injection molded radial spherical plain bearing according to claim 7, wherein: the outside welding of axis of rotation (41) has push pedal (43), the inner wall welding of cavity two (29) has four spring two (47), and the one end of spring two (47) and the outside welding of arc (44), the inboard one side of laminating push pedal (43) of arc (44).

9. The high pressure injection molded radial spherical plain bearing according to claim 7, wherein: the inner wall of the second cavity (29) is bonded with a soft oil injection pot (45), and an oil outlet of the soft oil injection pot (45) is communicated with an oil collecting plate (46).

10. The high pressure injection molded radial spherical plain bearing according to claim 7, wherein: the soft oil spray pot (45) is positioned between the four second springs (47).