阅读说明：本技术 一种滑动轴承内孔镗机 (Boring machine for inner hole of sliding bearing ) 是由 英华正 于 2020-12-31 设计创作，主要内容包括：本发明属于滑动轴承设备技术领域,尤其是一种滑动轴承内孔镗机,包括支撑腿,多个所述支撑腿的顶部均固定连接有底板,所述底板的上表面开设有有穿线槽,所述底板的上表面一侧设置有轴承内孔加工装置,所述轴承内孔加工装置包括有车刀,所述车刀的切削表面与滑动轴承的内壁滑动插接。该滑动轴承内孔镗机,通过设置底板的上表面一侧设置有轴承内孔加工装置,轴承内孔加工装置包括有车刀,车刀的切削表面与滑动轴承的内壁滑动插接,从而达到了滑动轴承的内孔自动加工,加工效率高,精度更加精确,自动化程度高,操作简单,一体化的自动操作,降低了工人操作的难度,节约了人工成本。(The invention belongs to the technical field of sliding bearing equipment, and particularly relates to a sliding bearing inner hole boring machine which comprises supporting legs, wherein the tops of a plurality of supporting legs are fixedly connected with a bottom plate, the upper surface of the bottom plate is provided with a threading groove, one side of the upper surface of the bottom plate is provided with a bearing inner hole machining device, the bearing inner hole machining device comprises a turning tool, and the cutting surface of the turning tool is in sliding insertion connection with the inner wall of a sliding bearing. This slide bearing hole boring machine is provided with bearing hole processingequipment through upper surface one side that sets up the bottom plate, and bearing hole processingequipment is including the lathe tool, and the cutting surface of lathe tool is pegged graft with slide bearing's inner wall is slided to reached slide bearing's hole automatic processing, machining efficiency is high, and the precision is more accurate, and degree of automation is high, easy operation, the automatic operation of integration has reduced the degree of difficulty of workman's operation, has practiced thrift the cost of labor.)

1. A slide bearing inner hole boring machine comprises a support leg (1), and is characterized in that: the top parts of the supporting legs (1) are fixedly connected with a bottom plate (2), the upper surface of the bottom plate (2) is provided with a threading groove (3), one side of the upper surface of the bottom plate (2) is provided with a bearing inner hole machining device, the bearing inner hole machining device comprises a turning tool (4), and the cutting surface of the turning tool (4) is in sliding insertion connection with the inner wall of the sliding bearing;

the upper surface opposite side of bottom plate (2) is provided with brake equipment, brake equipment is including first hydro-cylinder (5), the last fixed surface of bottom plate (2) is connected with guard plate (6), the inner wall of guard plate (6) is connected with the fixed surface of first hydro-cylinder (5), the bottom fixedly connected with equipment control box (7) of bottom plate (2), the inside of equipment control box (7) is provided with PLC controller, speed regulator and start button, a side fixed surface of bottom plate (2) is connected with the oil tank, the surface of oil tank is provided with the hydraulic pump.

2. A slide bearing bore boring machine according to claim 1 wherein: the upper surface of bottom plate (2) fixed connection has driving motor (8), driving motor (8) are dual output axle motor, shaft coupling fixedly connected with band pulley axle (9) is passed through to the one end of driving motor (8), the first band pulley (10) of one end fixedly connected with of band pulley axle (9), the other end of driving motor (8) passes through shaft coupling fixedly connected with runner axle (11), the one end fixedly connected with runner (12) of runner axle (11).

3. A slide bearing bore boring machine according to claim 2, wherein: the upper surface of bottom plate (2) articulates there is brake block (51), two the relative surface of brake block (51) all with the surperficial looks adaptation of runner (12), two the equal fixedly connected with brake block (52) in relative surface of brake block (51), two the relative surface of brake block (52) all with the surperficial slip grafting of runner (12).

4. A slide bearing bore boring machine according to claim 3 wherein: the top ends of the two brake plates (51) are rotatably connected with a telescopic rod of the first oil cylinder (5), a spring (53) is movably sleeved on the surface of the telescopic rod of the first oil cylinder (5), and the spring (53) is located between the two brake plates (51).

5. A slide bearing bore boring machine according to claim 1 wherein: the upper surface of bottom plate (2) fixed connection has U type piece (13), the relative surface of U type piece (13) all rotates and is connected with articulated shaft (14), the fixed surface of articulated shaft (14) is connected with cassette (15), the lower fixed surface of going up cassette (15) is connected with mould (16), the upper surface fixed connection of bottom plate (2) has lower mould (17), the upper surface of lower mould (17) is corresponding with the lower surface of last mould (16).

6. A slide bearing bore boring machine according to claim 5 wherein: go up that one side surface of cassette (15) articulates there is trigger bar (18), the inner wall of threading groove (3) is fixedly connected with first connecting rod (19) and second connecting rod (20) respectively, the first proximity switch (21) of top fixed connection of second connecting rod (20), the top rotation of first connecting rod (19) is connected with sliding sleeve (22), the inner wall of sliding sleeve (22) is pegged graft with the surface sliding of trigger bar (18), the one end of trigger bar (18) is pegged graft with the surface sliding of first proximity switch (21).

7. A slide bearing bore boring machine according to claim 5 wherein: the surface of one side of bottom plate (2) fixed surface is connected with first cylinder (23), the last fixed surface of bottom plate (2) is connected with draw-in groove piece (24), the flexible end fixedly connected with joint piece (25) of first cylinder (23), the surface of draw-in groove piece (24) is pegged graft with the surface slip of joint piece (25), the surface of joint piece (25) and the one end surface joint of last cassette (15).

8. A slide bearing bore boring machine according to claim 5 wherein: the clamp is characterized in that handles (26) are fixedly connected to the surfaces of the two sides of the upper clamp seat (15), a contact rod (27) is fixedly connected to the bottom end of the upper clamp seat (15), a second proximity switch (28) is fixedly connected to the upper surface of the base plate (2), and the bottom end of the contact rod (27) is in sliding insertion connection with the contact surface of the second proximity switch (28).

9. A slide bearing bore boring machine according to claim 2, wherein: the upper surface fixed connection of bottom plate (2) has fixing base (29), the equal fixedly connected with in both ends surface of fixing base (29) direction slide tube (30), two the inner wall of direction slide tube (30) all slides and pegs graft and have power shaft (31), the fixed surface of one end and lathe tool (4) of power shaft (31) is connected, keyway (32) have been seted up on the surface of power shaft (31), the inner wall of keyway (32) slides and pegs graft and have spline (33), the fixed surface of spline (33) is connected with second band pulley (34), the surface of second band pulley (34) is pegged graft with the surface slip of power shaft (31), the surface of second band pulley (34) all is connected through belt transmission with the surface of first band pulley (10).

10. A slide bearing bore boring machine according to claim 9 wherein: the last fixed surface of bottom plate (2) is connected with registration arm (35), the one end slip grafting of a side surface and power shaft (31) of registration arm (35), opposite side fixedly connected with second hydro-cylinder (36) of registration arm (35), the telescopic shaft of second hydro-cylinder (36) runs through and extends to the inside of registration arm (35), and fixedly connected with bearing (37), the inner circle of bearing (37) and the one end fixed connection of power shaft (31), another telescopic shaft fixedly connected with spacing piece (38) of second hydro-cylinder (36), the fixed surface of second hydro-cylinder (36) is connected with spacing frame (39), the inner wall fixedly connected with limit switch (40) of spacing frame (39), the surface of spacing piece (38) is located two between limit switch (40).

Technical Field

The invention relates to the technical field of sliding bearings, in particular to a boring machine for an inner hole of a sliding bearing.

Background

Sliding bearings, bearings that operate under sliding friction. The sliding bearing works stably and reliably without noise. Under the condition of liquid lubrication, the sliding surface is separated by lubricating oil without direct contact, the friction loss and the surface abrasion can be greatly reduced, and the oil film also has certain vibration absorption capacity. But the starting frictional resistance is large. The portion of the shaft supported by the bearing is called the journal, and the part that mates with the journal is called the bearing shell. A layer of friction reducing material cast on the inner surface of a bearing shell to improve the friction properties of the surface is called a bearing lining. The materials of the bearing shell and the bearing liner are collectively referred to as sliding bearing materials. The sliding bearing is generally applied under the working condition of high speed and light load.

The existing sliding bearing needs to finish the inner hole during machining, but when the existing lathe machines the inner hole of the sliding bearing, the precision cannot meet the precision requirement, so that a plurality of unqualified products are produced after machining, the machining operation is complex, the machining cost is high, and the machining efficiency is low, so that the boring machine for the inner hole of the sliding bearing is needed.

Disclosure of Invention

The invention provides a boring machine for an inner hole of a sliding bearing, which is based on the technical problems that the inner hole needs to be finely machined when the existing sliding bearing is machined, but the precision of the existing lathe cannot meet the precision requirement when the inner hole of the sliding bearing is machined, so that a large number of unqualified products are produced after machining, the machining operation is complex, the machining cost is high, and the machining efficiency is low.

The invention provides a sliding bearing inner hole boring machine which comprises supporting legs, wherein the tops of a plurality of supporting legs are fixedly connected with a bottom plate, the upper surface of the bottom plate is provided with a threading groove, one side of the upper surface of the bottom plate is provided with a bearing inner hole machining device, the bearing inner hole machining device comprises a turning tool, and the cutting surface of the turning tool is in sliding insertion connection with the inner wall of a sliding bearing;

the upper surface opposite side of bottom plate is provided with brake equipment, brake equipment is including first hydro-cylinder, the last fixed surface of bottom plate is connected with the guard plate, the inner wall of guard plate is connected with the fixed surface of first hydro-cylinder, the bottom fixedly connected with equipment control box of bottom plate, the inside of equipment control box is provided with PLC controller, speed regulator and start button, one side fixed surface of bottom plate is connected with the oil tank, the surface of oil tank is provided with the hydraulic pump.

Preferably, the upper surface of the base plate is fixedly connected with a driving motor, the driving motor is a motor with double output shafts, one end of the driving motor is fixedly connected with a pulley shaft through a coupler, one end of the pulley shaft is fixedly connected with a first pulley, the other end of the driving motor is fixedly connected with a rotating pulley shaft through a coupler, and one end of the rotating pulley shaft is fixedly connected with a rotating pulley.

Preferably, the upper surface of bottom plate articulates there is the brake block, two the relative surface of brake block all with the surperficial looks adaptation of runner, two the equal fixedly connected with brake block in relative surface of brake block, two the relative surface of brake block all with the surperficial slip grafting of runner.

Preferably, the top ends of the two brake plates are rotatably connected with a telescopic rod of the first oil cylinder, a spring is movably sleeved on the surface of the telescopic rod of the first oil cylinder, and the spring is located between the two brake plates.

Preferably, the upper surface of the bottom plate is fixedly connected with a U-shaped block, opposite surfaces of the U-shaped block are rotatably connected with an articulated shaft, the surface of the articulated shaft is fixedly connected with an upper clamping seat, the lower surface of the upper clamping seat is fixedly connected with an upper die, the upper surface of the bottom plate is fixedly connected with a lower die, and the upper surface of the lower die corresponds to the lower surface of the upper die.

Preferably, a trigger rod is hinged to the surface of one side of the upper clamping seat, a first connecting rod and a second connecting rod are fixedly connected to the inner wall of the threading groove respectively, a first proximity switch is fixedly connected to the top end of the second connecting rod, a sliding sleeve is rotatably connected to the top end of the first connecting rod, the inner wall of the sliding sleeve is in sliding insertion with the surface of the trigger rod, and one end of the trigger rod is in sliding insertion with the surface of the first proximity switch.

Preferably, one side fixed surface of bottom plate is connected with first cylinder, the last fixed surface of bottom plate is connected with the draw-in groove piece, the flexible end fixedly connected with joint piece of first cylinder, the surface of draw-in groove piece is pegged graft with the surperficial slip of joint piece, the surface of joint piece and the one end surface joint of last cassette.

Preferably, the handles are fixedly connected to the surfaces of the two sides of the upper clamping seat, the contact rod is fixedly connected to the bottom end of the upper clamping seat, the second proximity switch is fixedly connected to the upper surface of the base plate, and the bottom end of the contact rod is in sliding insertion connection with the contact surface of the second proximity switch.

Preferably, the upper surface of the base plate is fixedly connected with a fixing seat, the surfaces of the two ends of the fixing seat are fixedly connected with guide sliding tubes, the inner walls of the guide sliding tubes are slidably inserted with power shafts, one end of each power shaft is fixedly connected with the surface of a turning tool, key grooves are formed in the surfaces of the power shafts, the inner walls of the key grooves are slidably inserted with key bars, the surfaces of the key bars are fixedly connected with second belt wheels, the surfaces of the second belt wheels are slidably inserted with the surfaces of the power shafts, and the surfaces of the second belt wheels are in transmission connection with the surfaces of the first belt wheels through belts.

Preferably, the last fixed surface of bottom plate is connected with the registration arm, a side surface of registration arm slides with the one end of power shaft and pegs graft, the opposite side fixedly connected with second hydro-cylinder of registration arm, the telescopic shaft of second hydro-cylinder runs through and extends to the inside of registration arm, and fixedly connected with bearing, the inner circle of bearing and the one end fixed connection of power shaft, another telescopic shaft fixedly connected with spacing piece of second hydro-cylinder, the fixed surface of second hydro-cylinder is connected with spacing frame, the inner wall fixedly connected with limit switch of spacing frame, the surface of spacing piece is located two between the limit switch.

The beneficial effects of the invention are as follows:

be provided with bearing hole processingequipment through upper surface one side that sets up the bottom plate, bearing hole processingequipment is including the lathe tool, and the cutting surface of lathe tool slides with slide bearing's inner wall and pegs graft to reached slide bearing's hole automatic processing, machining efficiency is high, and the precision is more accurate, and degree of automation is high, easy operation, the automatic operation of integration has reduced the degree of difficulty of workman's operation, has practiced thrift the cost of labor.

Drawings

FIG. 1 is a perspective view of a slide bearing bore boring machine;

FIG. 2 is a top view of a baseplate structure of a slide bearing bore boring machine;

FIG. 3 is a schematic diagram of an upper clamping seat structure of a sliding bearing inner hole boring machine before use;

FIG. 4 is a schematic diagram of an upper clamping seat structure of a sliding bearing inner hole boring machine after being used;

FIG. 5 is an enlarged view of the structure at A of FIG. 4 of a slide bearing bore boring machine;

FIG. 6 is an enlarged view of the structure at B in FIG. 2 of a slide bearing bore boring machine.

In the figure: 1. supporting legs; 2. a base plate; 3. a threading slot; 4. turning a tool; 5. a first cylinder; 51. a brake plate; 52. a brake pad; 53. a spring; 6. a protection plate; 7. an equipment control box; 8. a drive motor; 9. a pulley shaft; 10. a first pulley; 11. a rotating wheel shaft; 12. a rotating wheel; 13. a U-shaped block; 14. hinging a shaft; 15. an upper clamping seat; 16. an upper die; 17. a lower die; 18. a trigger lever; 19. a first link; 20. a second link; 21. a first proximity switch; 22. a sliding sleeve; 23. a first cylinder; 24. a slot clamping block; 25. a clamping block; 26. a grip; 27. a contact lever; 28. a second proximity switch; 29. a fixed seat; 30. a guide slide pipe; 31. a power shaft; 32. a keyway; 33. a key bar; 34. a second pulley; 35. a positioning tube; 36. a second cylinder; 37. a bearing; 38. a limiting sheet; 39. a limiting frame; 40. and a limit switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a sliding bearing inner hole boring machine, as shown in fig. 1, comprises supporting legs 1, a bottom plate 2 is fixedly connected to the tops of the supporting legs 1, a threading groove 3 is formed in the upper surface of the bottom plate 2, a bearing inner hole machining device is arranged on one side of the upper surface of the bottom plate 2, the bearing inner hole machining device comprises a turning tool 4, and the cutting surface of the turning tool 4 is in sliding insertion connection with the inner wall of a sliding bearing;

the upper surface of the bottom plate 2 is fixedly connected with a driving motor 8, the driving motor 8 is a motor with double output shafts, one end of the driving motor 8 is fixedly connected with a pulley shaft 9 through a coupler, one end of the pulley shaft 9 is fixedly connected with a first pulley 10, the other end of the driving motor 8 is fixedly connected with a rotating pulley shaft 11 through a coupler, and one end of the rotating pulley shaft 11 is fixedly connected with a rotating pulley 12;

as shown in fig. 3, a brake device is arranged on the other side of the upper surface of the base plate 2, the brake device comprises a first oil cylinder 5, a protection plate 6 is fixedly connected to the upper surface of the base plate 2, the inner wall of the protection plate 6 is fixedly connected to the surface of the first oil cylinder 5, an equipment control box 7 is fixedly connected to the bottom of the base plate 2, a PLC controller, a rotation speed regulator and a start button are arranged inside the equipment control box 7, an oil tank is fixedly connected to the surface of one side of the base plate 2, and a hydraulic pump is arranged on the surface of the oil tank; the rotating speed of the driving motor can be adjusted to 4000 revolutions, the cutting precision is enhanced, the working efficiency is enhanced, the existing lathe machining is avoided, and the precision cannot be ensured to be more accurate;

as shown in fig. 5 and 6, the upper surface of the bottom plate 2 is hinged with brake plates 51, the opposite surfaces of the two brake plates 51 are matched with the surface of the rotating wheel 12, the opposite surfaces of the two brake plates 51 are fixedly connected with brake pads 52, and the opposite surfaces of the two brake pads 52 are in sliding insertion connection with the surface of the rotating wheel 12;

the top ends of the two brake plates 51 are rotatably connected with the telescopic rod of the first oil cylinder 5, the surface of the telescopic rod of the first oil cylinder 5 is movably sleeved with a spring 53, and the spring 53 is positioned between the two brake plates 51;

as shown in fig. 4, a U-shaped block 13 is fixedly connected to the upper surface of the base plate 2, hinge shafts 14 are rotatably connected to opposite surfaces of the U-shaped block 13, upper clamping seats 15 are fixedly connected to the surfaces of the hinge shafts 14, upper molds 16 are fixedly connected to the lower surfaces of the upper clamping seats 15, lower molds 17 are fixedly connected to the upper surface of the base plate 2, and the upper surfaces of the lower molds 17 correspond to the lower surfaces of the upper molds 16;

a trigger rod 18 is hinged to the surface of one side of the upper clamping seat 15, the inner wall of the threading groove 3 is fixedly connected with a first connecting rod 19 and a second connecting rod 20 respectively, the top end of the second connecting rod 20 is fixedly connected with a first proximity switch 21, the top end of the first connecting rod 19 is rotatably connected with a sliding sleeve 22, the inner wall of the sliding sleeve 22 is in sliding insertion connection with the surface of the trigger rod 18, and one end of the trigger rod 18 is in sliding insertion connection with the surface of the first proximity switch 21;

a first air cylinder 23 is fixedly connected to the surface of one side of the bottom plate 2, a clamping groove block 24 is fixedly connected to the upper surface of the bottom plate 2, a clamping block 25 is fixedly connected to the telescopic end of the first air cylinder 23, the surface of the clamping groove block 24 is in sliding insertion connection with the surface of the clamping block 25, and the surface of the clamping block 25 is clamped with the surface of one end of the upper clamping seat 15;

the handles 26 are fixedly connected to the surfaces of the two sides of the upper clamping seat 15, the contact rod 27 is fixedly connected to the bottom end of the upper clamping seat 15, the second proximity switch 28 is fixedly connected to the upper surface of the bottom plate 2, and the bottom end of the contact rod 27 is in sliding insertion connection with the contact surface of the second proximity switch 28;

as shown in fig. 2, a fixed seat 29 is fixedly connected to the upper surface of the base plate 2, guide sliding tubes 30 are fixedly connected to the surfaces of both ends of the fixed seat 29, power shafts 31 are slidably inserted into the inner walls of the two guide sliding tubes 30, one end of each power shaft 31 is fixedly connected to the surface of the turning tool 4, a key groove 32 is formed in the surface of each power shaft 31, a key bar 33 is slidably inserted into the inner wall of each key groove 32, a second belt pulley 34 is fixedly connected to the surface of each key bar 33, the surface of each second belt pulley 34 is slidably inserted into the surface of each power shaft 31, and the surface of each second belt pulley 34 is in transmission connection with the surface of the first belt pulley 10 through a;

the upper surface of the bottom plate 2 is fixedly connected with a positioning tube 35, one side surface of the positioning tube 35 is in sliding insertion connection with one end of the power shaft 31, the other side of the positioning tube 35 is fixedly connected with a second oil cylinder 36, an expansion shaft of the second oil cylinder 36 penetrates through and extends into the positioning tube 35, and is fixedly connected with a bearing 37, an inner ring of the bearing 37 is fixedly connected with one end of the power shaft 31, the other expansion shaft of the second oil cylinder 36 is fixedly connected with a limiting piece 38, the surface of the second oil cylinder 36 is fixedly connected with a limiting frame 39, the inner wall of the limiting frame 39 is fixedly connected with a limiting switch 40, and the surface of the limiting piece 38 is positioned between the two limiting switches 40;

be provided with bearing hole processingequipment through upper surface one side that sets up bottom plate 2, bearing hole processingequipment is including lathe tool 4, and the cutting surface of lathe tool 4 is pegged graft with slide bearing's inner wall is slided to slide bearing's hole automatic processing has been reached, and machining efficiency is high, and the precision is more accurate, and degree of automation is high, easy operation, the automatic operation of integration has reduced the degree of difficulty of workman's operation, has practiced thrift the cost of labor.

The working principle is as follows: clicking a starting button, controlling equipment to be electrified and started, taking a sliding bearing to be sleeved with one end of a power shaft 31, and simultaneously placing the sliding bearing on the surface of a lower die 17;

step two, grabbing the grip 26, driving the upper clamping seat 15 to rotate through the hinge shaft 14 and move downwards, controlling the surface of the upper die 16 to be sleeved with a sliding bearing and to be matched with the lower die 17, driving the contact rod 27 to contact with the second proximity switch 28 to transmit a signal when the upper clamping seat 15 rotates downwards, controlling the first air cylinder 23 to work through the PLC controller, driving the clamping block 25 to move downwards, clamping and positioning the upper clamping seat 15, simultaneously controlling the first oil cylinder 5 to work, driving the telescopic end of the first oil cylinder 5 to extend, controlling one brake plate 51 to move in the opposite direction of the other brake plate 51, and controlling the brake sheet 52 to leave the surface of the rotating wheel 12, so that the driving motor 8 rotates to work;

thirdly, the driving motor 8 works to drive the pulley shaft 9 to rotate, so as to drive the first pulley 10 to rotate, and the belt drives the second pulley 34 to rotate, so as to control the power shaft 31 to rotate and drive the turning tool 4 to rotate; simultaneously drives the second oil cylinder 36 to work

Fourthly, controlling hydraulic oil in the oil tank to enter the second oil cylinder 36 from the oil pipe through a hydraulic pump, controlling a telescopic shaft of the second oil cylinder 36 to move leftwards, driving the power shaft 31 to move leftwards, and driving the turning tool 4 to turn the inner wall of the sliding bearing while moving;

step five, when the limiting piece 38 moves leftwards to contact the limiting switch 40 on the left side, the second oil cylinder 36 stops working and controls the first oil cylinder 23 to work, the telescopic end of the first oil cylinder 23 moves downwards, the clamping block 25 is controlled to leave the upper clamping seat 15, the clamping effect is removed, the first oil cylinder 5 is controlled to work, the telescopic end of the first oil cylinder 5 retracts, the left brake plate 51 is driven to move towards the right brake plate 51, the brake pad 52 is driven to extrude a rotating wheel, and the driving motor 8 is controlled to stop working;

and step six, grasping the handle 26, driving the upper clamping seat 15 to rotate upwards, controlling the trigger rod 18 to slide in the sliding sleeve 22 and contact with the first proximity switch 21, controlling the hydraulic pump to work, enabling the telescopic end of the second oil cylinder 36 to move rightwards, driving the power shaft 31 to return to the initial point, simultaneously contacting the limiting sheet 38 with the limiting switch 40 on the right side, controlling the second oil cylinder 36 to stop working, taking out the sliding bearing after machining, putting the sliding bearing after machining into the machining, and continuing to operate in the same way as the steps.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.