CN209918900U

CN209918900U - Transmission main shaft with lubricating oil groove

Info

Publication number: CN209918900U
Application number: CN201920391254.9U
Authority: CN
Inventors: 赵德英
Original assignee: Xinchang Tai Xiang Technology Co Ltd
Current assignee: Xinchang Tai Xiang Technology Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-10
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a transmission main shaft with lubrication groove belongs to machine tool machining technical field. The utility model provides a transmission main shaft with lubrication groove, includes the transmission shaft main part and passes through flange joint's front bearing shell and rear bearing shell respectively at both ends around the transmission shaft main part, and the inside still activity of transmission shaft main part has cup jointed the rotor, and inside front bearing shell and rear bearing shell were all run through at both ends around the rotor, lubricating oil filling groove had all been seted up in the front bearing shell and the rear bearing shell outside, and lubricating oil filling groove upper end is provided with filling device. The utility model discloses an unique design for the staff can carry out the packing of oil mist emollient or grease emollient through filling device's inner structure to the transmission main shaft, thereby solves the problem that the lubricating oil that is not convenient for of current transmission main shaft added.

Description

Transmission main shaft with lubricating oil groove

Technical Field

The utility model relates to a machine tool machining technical field, more specifically say, relate to a transmission main shaft with lubrication groove.

Background

The main shaft of the machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate. The main A2-8-230 lathe belt coupling spindle component is generally composed of a spindle, a bearing, a transmission piece (gear or a pulley) and the like. The machine is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque, such as a machine tool spindle; some are used to clamp a workpiece, such as a mandrel. Most of machine tools have a spindle unit except for a planer, a broaching machine, and the like, which are linearly moved in main motion. The movement accuracy and structural rigidity of the spindle unit are important factors determining the machining quality and the cutting efficiency. The main shaft component performance measuring indexes are mainly rotation precision, rigidity and speed adaptability. 1. Rotation accuracy: the radial and axial runout (see form and position tolerances) that occur when the spindle rotates in a direction that affects the machining accuracy is determined primarily by the quality of the manufacture and assembly of the spindle and the bearings. 2. Dynamic and static stiffness: mainly determined by the bending stiffness of the main shaft, the stiffness of the bearings and the damping. 3. Speed adaptability: the maximum allowable speed and speed range are determined mainly by the structure and lubrication of the bearings and the heat dissipation conditions.

The existing transmission main shaft for machine tool machining needs to be supplemented with lubricating oil for heat dissipation in the maintenance process, but the lubricating oil supplementing process of the existing transmission main shaft is complex and is not beneficial to adding of the lubricating oil.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a transmission main shaft with lubrication groove to solve the problem that proposes among the above-mentioned background art:

(1) the problem that lubricating oil is not convenient to add to current transmission main shaft.

2. Technical scheme

A transmission main shaft with a lubricating oil groove comprises a transmission shaft main body, and a front bearing shell and a rear bearing shell which are respectively connected with the front end and the rear end of the transmission shaft main body through flanges, wherein a rotor is movably sleeved in the transmission shaft main body, the front end and the rear end of the rotor both penetrate through the front bearing shell and the rear bearing shell, lubricating oil filling grooves are formed in the outer sides of the front bearing shell and the rear bearing shell, and a filling device is arranged at the upper end of each lubricating oil filling groove;

the filling device comprises a connecting pipe, the outer side of the lower end of the connecting pipe is fixedly connected with the inner side of the upper end of the lubricating oil filling groove, the middle part of the inner side of the connecting pipe is annular and is provided with a plurality of oil mist filling holes at equal intervals, and the oil mist filling holes are communicated with the outside and the inside of the front bearing shell and the rear bearing shell.

Preferably, the middle part of the inner side of the connecting pipe is fixedly sleeved with a grease filling channel, and the inner wall of the connecting pipe is further provided with a rotating groove A.

Preferably, the rotating groove A is rotatably connected with an adjusting assembly, the inner side of the lower end of the adjusting assembly is further rotatably connected with a sealing assembly, and the lower end of the sealing assembly is fixedly connected with the upper end of the grease filling channel.

Preferably, the regulating assembly includes the regulating tube, the regulating tube lower extreme outside is the equidistant a plurality of closing plates that are provided with of annular, the size of closing plate is greater than the oil mist filling hole, just the regulating tube cross-section radius is greater than the radius of rotating groove A with closing plate diameter sum, rotating groove B has still been seted up to regulating tube lower extreme inboard, rotating groove B inboard rotates with the sealing assembly outside and is connected.

Preferably, seal assembly includes the rolling disc, the rolling disc circumference outside is connected with the inboard rotation of rotation groove B, the packing chamber has been seted up at the rolling disc middle part, the rolling disc below is connected with solid fixed ring through a plurality of arc poles rotations, gu fixed ring lower extreme and grease fill passageway upper end fixed connection.

Preferably, solid fixed ring upper end is rotated and is connected with a plurality of sealing members, the sealing member is triangle-shaped, just one of them angle and the solid fixed ring upper end outside of sealing member are rotated and are connected, and another angle is rotated with curved rod end and is connected, and is a plurality of sealing member closed area is greater than the filling chamber sectional area.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses a bearing shell and the rear bearing shell outside all seted up in the front and were provided with lubricating oil filling groove to utilize filling device to be convenient for the staff to carry out the packing of lubricating oil to front bearing and rear bearing. The utility model discloses the structure is exquisite, effectively reduces staff's working strength, avoids the dismantlement of transmission main shaft to solve the problem that the lubricating oil that is not convenient for of current transmission main shaft added.

(2) The utility model is also provided with a filling device, when oil mist lubricant is needed to be added into the transmission main shaft, the adjusting component is rotated, the adjusting pipe is rotated in the rotating groove A to make the sealing plate outside the lower end of the adjusting pipe separate from the oil mist filling hole in a staggered way, so that the oil mist lubricant is added into the front bearing shell and the rear bearing shell through the opened oil mist filling hole; when the grease lubricant is added to the interior of the transmission main shaft, the sealing assembly is rotated, the rotating disc rotates in the rotating groove B, and the rotating disc drives one end of the arc-shaped rod through rotating force, so that the other end of the arc-shaped rod drives the sealing piece to be opened.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is a structural bottom view of the filling device of the present invention;

FIG. 4 is a schematic view of the adjusting assembly and the sealing assembly according to the present invention;

fig. 5 is a schematic view of the structure split of the middle sealing assembly of the present invention.

The reference numbers in the figures illustrate: 1. a drive shaft body; 2. a front bearing housing; 3. a rear bearing housing; 4. a rotor; 5. filling the groove with lubricating oil; 6. a filling device; 7. a seal assembly; 701. rotating the disc; 702. filling the cavity; 703. an arcuate bar; 704. a fixing ring; 705. a seal member; 8. a connecting pipe; 801. an oil mist filling hole; 802. filling the channel with grease; 803. a rotating groove A; 9. an adjustment assembly; 901. an adjusting tube; 902. a sealing plate; 903. the groove B is rotated.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Example 1: please refer to fig. 1;

a transmission main shaft with a lubricating oil groove comprises a transmission shaft main body 1, and a front bearing shell 2 and a rear bearing shell 3 which are connected through flanges at the front end and the rear end of the transmission shaft main body 1 respectively, wherein a rotor 4 is movably sleeved in the transmission shaft main body 1, the front end and the rear end of the rotor 4 penetrate through the front bearing shell 2 and the rear bearing shell 3, cylindrical lubricating oil filling grooves 5 are formed in the outer sides of the front bearing shell 2 and the rear bearing shell 3, and a filling device 6 is arranged at the upper ends of the lubricating oil filling grooves 5;

the filling device 6 comprises a cylindrical connecting pipe 8, the outer side of the lower end of the connecting pipe 8 is fixedly connected with the inner side of the upper end of the lubricating oil filling groove 5, the middle of the inner side of the connecting pipe 8 is annular and provided with a plurality of oil mist filling holes 801 at equal intervals, and the oil mist filling holes 801 are communicated with the outside and are arranged inside the front bearing shell 2 and the rear bearing shell 3.

The utility model relates to a transmission main shaft with lubrication groove, because the process that current transmission main shaft supplyes lubricating oil is comparatively loaded down with trivial details, need dismantle the transmission main shaft, be unfavorable for the interpolation of lubricating oil, therefore we have all offered through bearing housing 2 and the 3 outsides of rear bearing housing in the front and have been provided with lubricating oil filling groove 5 to utilize filling device 6 to be convenient for the staff to carry out the packing of lubricating oil to front bearing and rear bearing. The utility model discloses the structure is exquisite, effectively reduces staff's working strength, avoids the dismantlement of transmission main shaft to solve the problem that the lubricating oil that is not convenient for of current transmission main shaft added.

Example 2: referring to FIGS. 2-5, the basic difference between the embodiments 1 is that;

the middle part of the inner side of the connecting pipe 8 is fixedly sleeved with a grease filling channel 802, and the inner wall of the connecting pipe 8 is also provided with a rotating groove A803.

An adjusting assembly 9 is rotatably connected in the rotating groove A803, the inner side of the lower end of the adjusting assembly 9 is also rotatably connected with a sealing assembly 7, and the lower end of the sealing assembly 7 is fixedly connected with the upper end of the grease filling channel 802.

The adjusting assembly 9 comprises an adjusting pipe 901, a plurality of sealing plates 902 are annularly and equidistantly arranged on the outer side of the lower end of the adjusting pipe 901, the size of each sealing plate 902 is larger than that of the oil mist filling hole 801, the sum of the section radius of the adjusting pipe 901 and the diameter of each sealing plate 902 is larger than that of the rotating groove A803, the inner side of the lower end of the adjusting pipe 901 is further provided with a rotating groove B903, and the inner side of the rotating groove B903 is rotatably connected with the outer side of the sealing assembly 7.

The sealing assembly 7 comprises a disc-shaped rotating disc 701, the outer side of the circumference of the rotating disc 701 is rotatably connected with the inner side of a rotating groove B903, a filling cavity 702 is formed in the middle of the rotating disc 701, a fixing ring 704 is rotatably connected below the rotating disc 701 through a plurality of arc-shaped rods 703, and the lower end of the fixing ring 704 is fixedly connected with the upper end of a grease filling channel 802.

A plurality of sealing pieces 705 are rotatably connected to the upper end of the fixing ring 704, the sealing pieces 705 are triangular, one corner of each sealing piece 705 is rotatably connected with the outer side of the upper end of the fixing ring 704, the other corner of each sealing piece 705 is rotatably connected with the end part of the arc-shaped rod 703, and the closed area of the plurality of sealing pieces 705 is larger than the sectional area of the filling cavity 702.

The utility model discloses still be provided with filling device 6, when the staff need carry out the oil mist emollient to adding to the transmission main shaft inside, through rotating adjusting assembly 9, utilize adjusting tube 901 to rotate in the inboard of rotation groove A803 and make the closing plate 902 and the oil mist filling hole 801 of adjusting tube 901 lower extreme outside crisscross separation to carry out the interpolation of oil mist emollient to the inside of preceding bearing housing 2 and rear bearing housing 3 through the oil mist filling hole 801 that opens; when the staff need carry out the inside grease emollient addition of transmission main shaft, rotate seal assembly 7, make rolling disc 701 at the rotation of rotation groove B903 internal rotation, make rolling disc 701 drive arc pole 703 one end through the revolving force for arc pole 703 other end drives opening of sealing member 705.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model. Furthermore, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. Several elements of the plurality recited in the product claims may be implemented by one element in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.

Claims

1. The utility model provides a transmission main shaft with lubrication groove, includes transmission shaft main part (1) and transmission shaft main part (1) front and back both ends are respectively through flange joint's front bearing shell (2) and rear bearing shell (3), rotor (4) have still been cup jointed in the activity in transmission shaft main part (1) inside, its characterized in that is all run through front bearing shell (2) and rear bearing shell (3) at both ends around rotor (4): lubricating oil filling grooves (5) are formed in the outer sides of the front bearing shell (2) and the rear bearing shell (3), and filling devices (6) are arranged at the upper ends of the lubricating oil filling grooves (5);

the filling device (6) comprises a connecting pipe (8), the outer side of the lower end of the connecting pipe (8) is fixedly connected with the inner side of the upper end of the lubricating oil filling groove (5), the middle of the inner side of the connecting pipe (8) is in an annular shape and is provided with a plurality of oil mist filling holes (801) at equal intervals, and the oil mist filling holes (801) are communicated with the outside and the inside of the front bearing shell (2) and the rear bearing shell (3).

2. The transmission spindle with the lubrication groove as recited in claim 1, wherein: the middle part of the inner side of the connecting pipe (8) is fixedly sleeved with a grease filling channel (802), and the inner wall of the connecting pipe (8) is further provided with a rotating groove A (803).

3. The transmission spindle with the lubrication groove as recited in claim 2, wherein: the rotating groove A (803) is rotatably connected with an adjusting assembly (9), the inner side of the lower end of the adjusting assembly (9) is rotatably connected with a sealing assembly (7), and the lower end of the sealing assembly (7) is fixedly connected with the upper end of a grease filling channel (802).

4. The transmission spindle with the lubrication groove as recited in claim 3, wherein: the adjusting assembly (9) comprises an adjusting pipe (901), a plurality of sealing plates (902) are annularly and equidistantly arranged on the outer side of the lower end of the adjusting pipe (901), the size of each sealing plate (902) is larger than that of an oil mist filling hole (801), the sum of the section radius of the adjusting pipe (901) and the diameter of each sealing plate (902) is larger than the radius of a rotating groove A (803), a rotating groove B (903) is further formed in the inner side of the lower end of the adjusting pipe (901), and the inner side of the rotating groove B (903) is rotatably connected with the outer side of the sealing assembly (7).

5. The transmission spindle with the lubrication groove as recited in claim 3, wherein: seal assembly (7) include rolling disc (701), the rolling disc (701) circumference outside is connected with the inboard rotation of rotation groove B (903), packing chamber (702) have been seted up at rolling disc (701) middle part, rolling disc (701) below is connected with solid fixed ring (704) through a plurality of arc poles (703) rotation, gu fixed ring (704) lower extreme and grease fill passageway (802) upper end fixed connection.

6. The transmission spindle with the lubrication groove as recited in claim 5, wherein: the upper end of the fixing ring (704) is rotatably connected with a plurality of sealing pieces (705), the sealing pieces (705) are triangular, one corner of each sealing piece (705) is rotatably connected with the outer side of the upper end of the fixing ring (704), the other corner of each sealing piece is rotatably connected with the end part of the arc-shaped rod (703), and the closed area of the plurality of sealing pieces (705) is larger than the sectional area of the filling cavity (702).