阅读说明：本技术 一种带降温系统的镗床主轴轴头 (Spindle head of boring machine spindle with cooling system ) 是由 张文广 何伟光 李志博 于 2021-11-05 设计创作，主要内容包括：本发明提供一种带降温系统的镗床主轴轴头,涉及机械车床设备领域。该带降温系统的镗床主轴轴头,包括轴壳和固定在轴壳外侧一端顶部的上壳,所述密封环的外侧底部固定连接有移动板,所述密封环的底部内固定连接有贯穿移动板的连接细管,所述进水软管的一端贯穿并固定连接在下壳的一侧,所述轴杆的侧壁且相邻密封环的内部设置有注水孔。通过进水软管连接外部水源向移动板内部的盛水空腔内注水,通过注水孔进入到轴杆内的中空腔体内流动,方便对轴杆进行降温冷却,避免轴杆过热,最后水流通过连通孔排出,通过调节套和喷嘴改变水流喷洒方向,可以对刀头的加工位置进行洒水,适应各种加工工况,内外部同时降温,起到良好的冷却作用。(The invention provides a spindle head of a boring machine spindle with a cooling system, and relates to the field of mechanical lathe equipment. The spindle head of the boring machine spindle with the cooling system comprises a spindle shell and an upper shell fixed to the top of one end of the spindle shell, a movable plate is fixedly connected to the bottom of the outer side of a sealing ring, a connecting thin tube penetrating through the movable plate is fixedly connected to the inner portion of the bottom of the sealing ring, one end of a water inlet hose penetrates through and is fixedly connected to one side of a lower shell, and water injection holes are formed in the side wall of a shaft rod and the inside of an adjacent sealing ring. Connect outside water source to the water injection in the flourishing water cavity of movable plate inside through the hose that intakes, flow in entering into the cavity in the axostylus axostyle through the water injection hole, conveniently cool down the cooling to the axostylus axostyle, avoid the axostylus axostyle overheated, at last rivers pass through the intercommunicating pore discharge, change rivers through adjusting collar and nozzle and spray the direction, can sprinkle the processing position of tool bit, adapt to various processing operating modes, the inside and outside is cooled down simultaneously, plays good cooling effect.)

1. The utility model provides a take boring machine main shaft spindle nose of cooling system, includes axle housing (2) and fixes epitheca (5) at axle housing (2) outside one end top, its characterized in that: the outer side and the other end of the shaft shell (2) are fixedly connected with a lower shell (1), one side of the upper shell (5) is fixedly connected with a motor (4), the output end of the motor (4) is connected with a shaft lever (6) through a transmission mechanism, the outer side of the shaft lever (6) is connected with the middle part of the shaft shell (2) through a second bearing (29), the outer side wall of one end of the shaft lever (6) and the position close to the inner side wall of the other end of the shaft shell (2) are rotatably connected with a sealing ring (26), the outer side and the bottom of the sealing ring (26) are fixedly connected with a movable plate (11), a connecting thin tube (17) penetrating through the movable plate (11) is fixedly connected in the bottom of the sealing ring (26), one side of the movable plate (11) is fixedly connected with a water inlet hose (10), and one end of the water inlet hose (10) penetrates and is fixedly connected with one side of the lower shell (1), the water injection type movable plate is characterized in that a cutter head (15) is arranged in the other end of the shaft lever (6), a communication hole (27) is formed in the outer side wall of the other end of the shaft lever (6) and close to the cutter head (15), the communication hole (27) is located outside the shaft housing (2), a water injection hole (28) is formed in the side wall of the shaft lever (6) and the inside of the adjacent sealing ring (26), a hollow cavity (14) is arranged in the shaft lever (6), and a water containing cavity (24) is arranged in the movable plate (11).

2. The spindle head of the boring machine with the cooling system according to claim 1, characterized in that: the outer side of the shaft lever (6) and the position close to the outer part of the communicating hole (27) are fixedly connected with an adjusting sleeve (7), and one side of the adjusting sleeve (7) close to the cutter head (15) is fixedly connected with a nozzle (16).

3. The spindle head of the boring machine with the cooling system according to claim 1, characterized in that: and two ends of the sealing ring (26) are provided with sealing bearings (13).

4. The spindle head of the boring machine with the cooling system according to claim 1, characterized in that: the motor is characterized in that a connecting rod (8) is fixedly connected to the inner side wall of one end of the shaft rod (6) and is close to the outer portion of the other end of the shaft shell (2), an axial flow fan blade (9) is fixedly connected to the outer side of the connecting rod (8), and the axial flow fan blade (9) is close to one side of the motor (4).

5. The spindle head of the boring machine with the cooling system according to claim 1, characterized in that: the movable type hydraulic support is characterized in that a hydraulic cylinder (3) is fixedly connected to the outer wall of one end of the lower shell (1), the output end of the hydraulic cylinder (3) penetrates through the lower shell (1) and is fixedly connected to the other side of the movable plate (11), a connecting ring (30) is fixedly connected to one side wall of the sealing ring (26), a first bearing (23) is fixedly connected to one side wall of the connecting ring (30) away from the sealing ring (26), a shaft shoulder (25) is fixedly connected to one side of the first bearing (23), and the middle of the shaft shoulder (25) is fixedly connected to the outer side of the shaft rod (6).

6. The spindle head of the boring machine with the cooling system as claimed in claim 5, wherein: the far sides of the connecting ring (30) and the moving plate (11) are both connected with sliding rails (12) in a sliding mode, and the two sliding rails (12) are fixedly connected to the other end of the inner top of the shaft shell (2) and the inner bottom of the lower shell (1) respectively.

7. The spindle head of the boring machine with the cooling system according to claim 1, characterized in that: drive mechanism includes movable rod (21) and first gear (18), the one end of movable rod (21) runs through epitheca (5) and fixed connection is at the output of motor (4), the outside fixedly connected with second gear (22) of movable rod (21), the bottom meshing of second gear (22) is connected with third gear (20), fixedly connected with gear pole (19) in the middle part of third gear (20), the both ends of gear pole (19) are rotated and are connected at the both ends of epitheca (5), the bottom meshing of third gear (20) is connected at the top of first gear (18), the fixed connection is in the outside of axostylus axostyle (6) in the middle part of first gear (18).

Technical Field

The invention relates to the field of mechanical lathe equipment, in particular to a spindle head of a boring machine spindle with a cooling system. Background

The boring machine is mainly used for machining high-precision holes or finishing a plurality of holes at one time in a positioning mode, can also be used for machining other machining surfaces related to hole finishing, can also be used for machining drilling, milling and cutting by using different tools and accessories, and has higher precision and surface quality than a drilling machine, and is a main device for machining large box parts and can be used for machining threads, machining outer circles and end faces and the like.

The spindle nose of the existing boring machine does not have a cooling function, a cutter is easy to generate a large amount of heat during cutting, especially when a workpiece with higher hardness is drilled and milled, the generated heat is very high, the hardness of the cutter head is reduced, the cutter head is abraded, the cutter and the machined workpiece are scrapped, meanwhile, a motor for driving the spindle emits heat during working, the service life of the motor is influenced by untimely cooling, faults such as shutdown and the like can also be caused, and normal machining production is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a spindle head of a boring machine spindle with a cooling system, which solves the problems that the spindle head of the existing boring machine spindle does not have a cooling function and the motor used for driving the spindle has poor heat dissipation effect.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a spindle head of a boring machine spindle with a cooling system comprises a spindle housing and an upper housing fixed at the top of one end outside the spindle housing, wherein the bottom of the other end outside the spindle housing is fixedly connected with a lower housing, one side of the upper housing is fixedly connected with a motor, the output end of the motor is connected with a shaft lever through a transmission mechanism, the outer side of the shaft lever is connected with the middle part of the spindle housing through a second bearing, the outer side wall of one end of the shaft lever and the position close to the inner side wall of the other end of the spindle housing are rotatably connected with a sealing ring, the bottom of the outer side of the sealing ring is fixedly connected with a movable plate, a connecting thin tube penetrating through the movable plate is fixedly connected in the bottom of the sealing ring, one side of the movable plate is fixedly connected with a water inlet hose, one end of the water inlet hose penetrates through and is fixedly connected with one side of the lower housing, a tool bit is arranged in the other end of the shaft lever, and a communication hole is arranged on the outer side wall of the other end of the shaft lever and close to the tool bit, the communicating hole is located on the outer portion of the shaft shell, a water injection hole is formed in the side wall of the shaft rod and the inner portion of the adjacent sealing ring, a hollow cavity is formed in the shaft rod, and a water containing cavity is formed in the moving plate.

Preferably, the position of the outer side of the shaft lever and close to the outer part of the communication hole is fixedly connected with an adjusting sleeve, and one side of the adjusting sleeve close to the cutter head is fixedly connected with a nozzle.

Preferably, both ends of the sealing ring are provided with sealing bearings.

Preferably, the inner side wall of one end of the shaft lever is fixedly connected with a connecting rod at a position close to the outer part of the other end of the shaft housing, the outer side of the connecting rod is fixedly connected with an axial flow fan blade, and the axial flow fan blade is close to one side of the motor.

Preferably, the outer wall of one end of the lower shell is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder penetrates through the lower shell and is fixedly connected to the other side of the movable plate, a connecting ring is fixedly connected to one side wall of the sealing ring, a first bearing is fixedly connected to one side wall of the connecting ring away from the sealing ring, a shaft shoulder is fixedly connected to one side of the first bearing, and the middle of the shaft shoulder is fixedly connected to the outer side of the shaft lever.

Preferably, the far sides of the connecting ring and the moving plate are both connected with sliding rails in a sliding manner, and the two sliding rails are fixedly connected to the other end of the inner top of the shaft shell and the inner bottom of the lower shell respectively.

Preferably, drive mechanism includes movable rod and first gear, the one end of movable rod runs through epitheca and fixed connection at the output of motor, the outside fixedly connected with second gear of movable rod, the bottom meshing of second gear is connected with the third gear, fixedly connected with gear rod in the middle part of third gear, the both ends of gear rod are rotated and are connected the both ends at the epitheca, the bottom meshing of third gear is connected at the top of first gear, fixed connection is in the outside of axostylus axostyle in the middle part of first gear.

The working principle is as follows: the motor enables the shaft lever to rotate through the transmission mechanism, so that the shaft head can work, meanwhile, the movable plate is fixedly connected to the bottom of the outer side of the sealing ring, the connecting tubule penetrating through the movable plate is fixedly connected to the inner side of the bottom of the sealing ring, the water inlet hose is fixedly connected to one side of the movable plate, one end of the water inlet hose penetrates through and is fixedly connected to one side of the lower shell, the communicating hole is formed in the outer side wall of the other end of the shaft lever and is close to the tool bit, firstly, an external water source is connected through the water inlet hose to inject water into a water containing cavity in the movable plate, water flows into the sealing ring through the connecting tubule and then flows into a hollow cavity in the shaft lever through the water injection hole, the shaft lever is conveniently cooled and prevented from overheating, finally, the water flows are discharged through the communicating hole, at the time, the tool bit can be used for processing the hole, and the water sprayed from the communicating hole can be sprayed to cool the position to be processed, change rivers through adjusting collar and nozzle and spray the direction, can sprinkle to the machined position of tool bit, adapt to various processing operating modes, the motor makes the connecting rod rotate when passing through drive mechanism drive axostylus axostyle pivoted, and then axial fan blade can rotate, can cool down the motor, for traditional cooling mode, need not extra power supply, realize the cooling to the motor, can also play the whole cooling radiating action to the main shaft spindle nose, output drive movable plate horizontal migration through the pneumatic cylinder, and then go-between horizontal migration, support the shaft shoulder and then keep the stability of axostylus axostyle through first bearing, can carry out the horizontal adjustment axostylus axostyle simultaneously, the equal sliding connection in side of keeping away from of go-between and movable plate has the slide rail, be favorable to keeping the stability of axostylus axostyle through two slide rails.

(III) advantageous effects

The invention provides a spindle head of a boring machine spindle with a cooling system. The method has the following beneficial effects:

1. according to the invention, an external water source is connected through the water inlet hose to inject water into the water containing cavity in the movable plate, water flow enters the sealing ring through the connecting thin tube and then enters the hollow cavity in the shaft rod through the water injection hole to flow, so that the shaft rod is conveniently cooled and prevented from overheating, finally, the water flow is discharged through the communicating hole, the water sprayed from the communicating hole can be sprayed to the position to be processed for cooling, the spraying direction of the water flow is changed through the adjusting sleeve and the nozzle, the processing position of the tool bit can be sprayed with water, the tool bit is suitable for various processing working conditions, the inside and the outside of the tool bit are cooled simultaneously, a good cooling effect is achieved, the hardness of the tool bit is prevented from being reduced, and the damage to the tool and the processing workpiece is prevented.

2. According to the spindle head cooling device, the connecting rod is rotated while the motor drives the shaft rod to rotate through the transmission mechanism, so that the axial flow fan blade can rotate, the motor can be cooled, compared with a traditional cooling mode, an additional power source is not needed, the motor is cooled, and the spindle head can be cooled integrally.

3. According to the invention, the output end of the hydraulic cylinder drives the movable plate to move horizontally, so that the connecting ring moves horizontally, the shaft shoulder is supported by the first bearing, the stability of the shaft lever is further maintained, meanwhile, the shaft lever can be adjusted horizontally, and the stability of the shaft lever is favorably maintained by the two sliding rails.

Drawings

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

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of the water supply mechanism of the present invention;

fig. 4 is a schematic structural view of the connecting tubule of the present invention.

Wherein, 1, a lower shell; 2. a shaft housing; 3. a hydraulic cylinder; 4. a motor; 5. an upper shell; 6. a shaft lever; 7. an adjusting sleeve; 8. a connecting rod; 9. axial flow fan blades; 10. a water inlet hose; 11. moving the plate; 12. a slide rail; 13. sealing the bearing; 14. a hollow cavity; 15. a cutter head; 16. a nozzle; 17. connecting the thin tube; 18. a first gear; 19. a gear lever; 20. a third gear; 21. a movable rod; 22. a second gear; 23. a first bearing; 24. a water containing cavity; 25. a shaft shoulder; 26. a seal ring; 27. a communicating hole; 28. a water injection hole; 29. a second bearing; 30. and (7) connecting rings.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-4, aiming at the problem that the spindle nose of the existing boring machine does not have a cooling function, the embodiment of the invention provides a spindle nose of a boring machine with a cooling system, which comprises a shaft housing 2 and an upper housing 5 fixed at the top of one end outside the shaft housing 2, wherein the bottom of the other end outside the shaft housing 2 is fixedly connected with a lower housing 1, one side of the upper housing 5 is fixedly connected with a motor 4, the output end of the motor 4 is connected with a shaft lever 6 through a transmission mechanism, the outside of the shaft lever 6 is connected to the middle part of the shaft housing 2 through a second bearing 29, the motor 4 rotates the shaft lever 6 through the transmission mechanism to realize that the spindle nose can work, the outer side wall of one end of the shaft lever 6 and the inner side wall of the other end of the shaft housing 2 are rotatably connected with a sealing ring 26, a tool bit 15 is arranged in the other end of the shaft lever 6, the bottom outside of the sealing ring 26 is fixedly connected with a moving plate 11, a connecting tubule 17 penetrating through the moving plate 11 is fixedly connected in the bottom of the sealing ring 26, one side of the moving plate 11 is fixedly connected with a water inlet hose 10, one end of the water inlet hose 10 penetrates through and is fixedly connected with one side of the lower shell 1, a communication hole 27 is arranged on the outer side wall of the other end of the shaft lever 6 and is close to the position of the cutter head 15, the communication hole 27 is positioned outside the shaft shell 2, a water injection hole 28 is arranged on the side wall of the shaft lever 6 and is adjacent to the inner part of the sealing ring 26, a hollow cavity 14 is arranged inside the shaft lever 6, and a water containing cavity 24 is arranged inside the moving plate 11. firstly, the water inlet hose 10 is connected with an external water source to inject water into the water containing cavity 24 inside the moving plate 11, water flows into the sealing ring 26 through the connecting thin tube 17 and then flows into the hollow cavity 14 inside the shaft lever 6 through the water injection hole 28, so as to conveniently cool the shaft lever 6 and avoid overheating of the shaft lever 6, and finally, the water flows out through the communication hole 27, at this time, the cutter head 15 can be used for processing the inner part of the hole, the water sprayed from the communication hole 27 can be sprayed to the position to be processed for cooling.

Further, the outer side of the shaft lever 6 is fixedly connected with the adjusting sleeve 7 close to the position outside the communicating hole 27, one side of the adjusting sleeve 7 close to the cutter head 15 is fixedly connected with the nozzle 16, the water flow spraying direction is changed through the adjusting sleeve 7 and the nozzle 16, and the water can be sprayed to the machining position of the cutter head 15 to adapt to various machining working conditions.

In this embodiment, sealing ring 26's both ends all are provided with seal bearing 13, connect seal ring 26 and axostylus axostyle 6 through seal bearing 13, can make things convenient for axostylus axostyle 6 to rotate and play the watertight effect simultaneously.

In this embodiment, drive mechanism includes movable rod 21 and first gear 18, the one end of movable rod 21 runs through epitheca 5 and fixed connection is at the output of motor 4, the outside fixedly connected with second gear 22 of movable rod 21, the bottom meshing of second gear 22 is connected with third gear 20, fixedly connected with gear rod 19 in the middle part of third gear 20, the both ends of gear rod 19 are rotated and are connected at the both ends of epitheca 5, the bottom meshing of third gear 20 is connected at the top of first gear 18, fixed connection is in the outside of axostylus axostyle 6 in the middle part of first gear 18, drive movable rod 21 through motor 4 and rotate, and then make second gear 22 rotate, make third gear 20 rotate again, it rotates to realize that first gear 18 drives axostylus axostyle 6.

Example two:

as shown in fig. 1 and 2, in order to provide good stability to the spindle head of the boring machine spindle during the machining process, in addition to the above embodiment, the hydraulic cylinder 3 is fixedly connected to the outer wall of one end of the lower shell 1, the output end of the hydraulic cylinder 3 penetrates through the lower shell 1 and is fixedly connected to the other side of the moving plate 11, the connecting ring 30 is fixedly connected to one side wall of the sealing ring 26, the first bearing 23 is fixedly connected to one side wall of the connecting ring 30 far away from the sealing ring 26, the shoulder 25 is fixedly connected to one side of the first bearing 23, and the middle part of the shoulder 25 is fixedly connected to the outer side of the shaft lever 6. The moving plate 11 is driven by the output end of the hydraulic cylinder 3 to move horizontally, so that the connecting ring 30 moves horizontally, the shaft shoulder 25 is supported by the first bearing 23, the stability of the shaft lever 6 is maintained, and the shaft lever 6 can be adjusted horizontally.

Further, the connection ring 30 and the moving plate 11 are both slidably connected to a slide rail 12 at the far side, and the two slide rails 12 are respectively and fixedly connected to the other end of the inner top of the shaft housing 2 and the inner bottom of the lower housing 1, so that the stability of the shaft lever 6 is maintained by the two slide rails 12.

Example three:

as shown in fig. 2, the problem of the poor motor radiating effect for driving the main shaft to current boring machine, on the basis of the above-mentioned embodiment, the one end inside wall of axostylus axostyle 6 and be close to the outside fixed connection in position connecting rod 8 of the 2 other ends of axle housing, the outside fixed connection of connecting rod 8 has axial compressor flabellum 9, and axial compressor flabellum 9 is close to the one side at motor 4, motor 4 makes connecting rod 8 rotate when passing through drive mechanism drive axostylus axostyle 6 pivoted, and then axial compressor flabellum 9 can rotate, can cool down motor 4, for traditional cooling mode, need not extra power supply, realize the cooling to motor 4, can also play the whole cooling and radiating effect to the main shaft spindle nose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.