CN113681036B - Lubricating assembly, electric spindle device and machining equipment - Google Patents
Lubricating assembly, electric spindle device and machining equipment Download PDFInfo
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- CN113681036B CN113681036B CN202110925737.4A CN202110925737A CN113681036B CN 113681036 B CN113681036 B CN 113681036B CN 202110925737 A CN202110925737 A CN 202110925737A CN 113681036 B CN113681036 B CN 113681036B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Sliding-Contact Bearings (AREA)
Abstract
The invention provides a lubricating component, an electric spindle device and processing equipment, wherein the lubricating component comprises: the mounting device comprises a mounting body, a first mounting part and a second mounting part, wherein the mounting body is provided with a mounting cavity, the mounting cavity is internally provided with the first mounting part and the second mounting part for mounting a workpiece, and the first mounting part and the second mounting part are arranged at intervals along the extension direction of the mounting cavity; the connecting flow channel is at least partially arranged on the inner wall surface of the mounting cavity, and the lubricating liquid of the first mounting part flows into the second mounting part after flowing through the connecting flow channel; the backflow flow channel is arranged on the installation body, two ends of the backflow flow channel are communicated with the first installation portion and the second installation portion respectively, and lubricating liquid of the second installation portion flows into the first installation portion through the backflow flow channel. The invention solves the problem of insufficient bearing lubrication in the prior art.
Description
Technical Field
The invention relates to the technical field of bearing lubrication, in particular to a lubricating assembly, an electric spindle device and machining equipment.
Background
The electric spindle is a new technology for integrating a machine tool spindle and a spindle motor into a whole, the spindle is directly driven by a built-in motor, and the transmission of a gear, a belt or a coupler of a traditional spindle is cancelled, so that the length of a transmission chain of the machine tool spindle is shortened to zero, and the electric spindle is widely applied to the field of manufacturing of precision molds, automobiles, ships, aerospace and other tip products. The electric spindle is complex in structure, the spindle core is a core part of the electric spindle, the bearing, the motor and other parts are assembled on the electric spindle, and the rotation precision of the electric spindle is determined by the overall assembly precision.
What mainly influence electricity main shaft life is the life of bearing, and the bearing inner race is fixed in the bearing frame dead eye, and the internal diameter assembles in axle core external diameter, and the bearing needs sufficient lubricating oil to lubricate at the operation in-process, otherwise the bearing is at high-speed operation in-process dry grinding, leads to the bearing to generate heat, has reduced the life of bearing. The heat generation due to the lubrication abnormality also causes the bearing holder to deform, and is unusable. For the bearing, the bearing with sufficient lubrication can prolong the service life of the bearing, thereby prolonging the service life of the electric spindle. So it is said that lubrication and cooling of the bearings are critical factors affecting the service life of the bearings.
At present, the main lubrication mode of the electric spindle is lubricating oil, the lubricating oil is driven to the position of the bearing by compressed air, and the bearing lubrication is discontinuously carried out in the running process of the bearing.
Disclosure of Invention
The invention mainly aims to provide a lubricating component, an electric spindle device and machining equipment, and aims to solve the problem of insufficient bearing lubrication in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a lubrication assembly including: the mounting device comprises a mounting body, a first mounting part and a second mounting part, wherein the mounting body is provided with a mounting cavity, the mounting cavity is internally provided with the first mounting part and the second mounting part for mounting a workpiece, and the first mounting part and the second mounting part are arranged at intervals along the extension direction of the mounting cavity; the connecting flow channel is at least partially arranged on the inner wall surface of the mounting cavity, and the lubricating liquid of the first mounting part flows into the second mounting part after flowing through the connecting flow channel; and the backflow flow channel is arranged on the mounting body, two ends of the backflow flow channel are communicated with the first mounting part and the second mounting part respectively, and lubricating liquid of the second mounting part flows into the first mounting part through the backflow flow channel.
Further, the lubrication assembly further comprises: the spacing component is arranged in the mounting cavity and positioned between the first mounting part and the second mounting part, and a transition flow channel is arranged on the spacing component; the transition flow channel comprises a first transition flow channel and a second transition flow channel, two ends of the first transition flow channel are communicated with the first installation part and the connection flow channel respectively, and two ends of the second transition flow channel are communicated with the connection flow channel and the second installation part respectively.
Further, the transition flow path includes: a first flow passage section, a port of which is communicated with the first mounting part or the second mounting part; and a first port of the second flow channel section is communicated with the first flow channel section, a second port of the second flow channel section is communicated with the connecting flow channel, and a preset included angle is formed between the extending direction of the second flow channel section and the extending direction of the first flow channel section.
Furthermore, the connecting flow channel is of a groove structure, and the connecting flow channel is recessed from the inner wall surface of the mounting cavity towards the direction of the central line far away from the mounting cavity.
Further, extend along the extending direction of installation cavity, connect the runner and be the heliciform setting on the internal wall face of installation cavity.
Further, the lubrication assembly further comprises: the sealing component is arranged in the mounting cavity, and at least part of the sealing component is attached to the inner wall of the mounting cavity; the sealing parts are two and are respectively arranged on two sides of the connecting flow passage.
Further, the lubrication assembly further comprises: the backflow hole is formed in the inner wall surface of the mounting cavity and communicated with the second mounting portion and the backflow flow channel respectively, and lubricating liquid of the second mounting portion flows into the backflow flow channel through the backflow hole.
Further, the lubrication assembly further comprises: the air inlet of the air channel is communicated with an air source, the air outlet of the air channel is communicated with the backflow flow channel, and the lubricating liquid is blown to the first installation part through air flow in the air channel.
Further, the lubrication assembly further comprises: the inflow channel is arranged on the mounting body and communicated with the first mounting portion, the ventilation channel is arranged between the backflow channel and the inflow channel, and the ventilation channel is obliquely arranged relative to the backflow channel.
Further, the lubrication assembly further comprises: at least part of the first flow passage is arranged on the mounting body and is used for flowing lubricating liquid, and the first flow passage is communicated with the first mounting part; the first flow path includes: the first inflow section, the second inflow section and the third inflow section are communicated in sequence, the first inflow section is arranged on the installation body, the second inflow section and the third inflow section are arranged on the spacing component, an included angle is formed between the extending direction of the second inflow section and the extending direction of the third inflow section, and the third inflow section extends from the second inflow section to the direction close to the first installation portion.
Further, the extending direction of the third inflow section is inclined toward the first mounting portion with respect to the extending direction of the second inflow section.
Further, the lubrication assembly further comprises: at least part of the second flow channel is arranged on the mounting body, the second flow channel is used for flowing lubricating liquid, and the second flow channel is communicated with the second mounting part; the second flow path includes: the fourth inflow section, the fifth inflow section and the sixth inflow section that communicate in proper order, the fourth inflow section sets up on the installation body, and the fifth inflow section all sets up on the spacer element with the sixth inflow section, has the contained angle between the extending direction of fifth inflow section and the extending direction of sixth inflow section, and the sixth inflow section is flowed in by the fifth and is gone towards the direction that is close to the second installation department and extend.
Further, the extending direction of the sixth inflow section is disposed obliquely toward the second mounting portion with respect to the extending direction of the fifth inflow section.
According to a second aspect of the present invention, there is provided an electric spindle device, comprising a spindle body, a first bearing, a second bearing and a lubricating assembly, wherein the first bearing is mounted in a first mounting portion of the lubricating assembly, the second bearing is mounted in a second mounting portion of the lubricating assembly, and at least part of the spindle body is inserted into a mounting cavity; the lubricating component is the lubricating component.
According to a third aspect of the present invention, there is provided a machining apparatus, comprising a machining spindle and a lubricating assembly, wherein at least a part of the machining spindle penetrates through a mounting cavity of the lubricating assembly; wherein, the lubricating component is the lubricating component.
By applying the technical scheme of the invention, the lubricating component comprises an installation body, a connecting flow channel and a backflow flow channel, wherein the installation body is provided with an installation cavity, a first installation part and a second installation part which are used for installing a workpiece are arranged in the installation cavity, and the first installation part and the second installation part are arranged at intervals along the extension direction of the installation cavity; at least part of the connecting flow channel is arranged on the inner wall surface of the mounting cavity, and the lubricating liquid of the first mounting part flows into the second mounting part after flowing through the connecting flow channel; the backflow channel is arranged on the installation body, two ends of the backflow channel are communicated with the first installation portion and the second installation portion respectively, and lubricating liquid of the second installation portion flows into the first installation portion through the backflow channel. The first workpiece is arranged on the first mounting part, the second workpiece is arranged on the second mounting part, and then the lubricating liquid is circulated between the first workpiece and the second workpiece to lubricate the first workpiece and the second workpiece respectively, so that the first workpiece and the second workpiece are fully lubricated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a lubricating assembly according to the present invention;
fig. 2 shows a structural schematic of the mounting body of the lubricating assembly according to the invention;
fig. 3 shows a first cross-sectional view of a mounting body of a lubrication assembly according to the invention;
fig. 4 shows a second cross-sectional view of the mounting body of the lubricating assembly according to the invention;
FIG. 5 shows a schematic of the structure of the first flow passage of the lubrication assembly according to the present invention;
FIG. 6 shows a schematic view of a second flow passage of the lubrication assembly according to the present invention;
FIG. 7 shows a schematic structural view of a transition flow passage of a lubrication assembly according to the present invention; and
fig. 8 shows a schematic structural view of an electric spindle device according to the present invention.
Wherein the figures include the following reference numerals:
1. installing a body; 10. a mounting cavity; 11. a first mounting portion; 12. a second mounting portion; 2. connecting the flow channel; 3. a return flow channel; 4. a spacer member; 40. a transition flow channel; 41. a first transition flow path; 42. a second transition flow path; 401. a first flow path segment; 402. a second flow path segment; 5. a sealing member; 6. a return orifice; 7. a vent passage; 8. an inflow channel; 13. a first flow passage; 130. a first inflow section; 131. a second inflow section; 132. a third inflow section; 14. a second flow passage; 140. a fourth inflow section; 141. a fifth inflow section; 142. a sixth inflow section; 15. installing a groove; 100. a main shaft body; 200. a first bearing; 300. a second bearing.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The present invention provides a lubrication assembly, please refer to fig. 1 to 7, comprising: the mounting structure comprises a mounting body 1, wherein the mounting body 1 is provided with a mounting cavity 10, a first mounting part 11 and a second mounting part 12 for mounting a workpiece are arranged in the mounting cavity 10, and the first mounting part 11 and the second mounting part 12 are arranged at intervals along the extension direction of the mounting cavity 10; the connecting flow channel 2, at least part of the connecting flow channel 2 is arranged on the inner wall surface of the mounting cavity 10, and the lubricating liquid of the first mounting part 11 flows into the second mounting part 12 after flowing through the connecting flow channel 2; and the backflow flow channel 3 is arranged on the mounting body 1, two ends of the backflow flow channel 3 are respectively communicated with the first mounting part 11 and the second mounting part 12, and lubricating liquid of the second mounting part 12 flows into the first mounting part 11 through the backflow flow channel 3.
The lubricating assembly comprises a mounting body 1, a connecting flow channel 2 and a return flow channel 3, wherein the mounting body 1 is provided with a mounting cavity 10, a first mounting part 11 and a second mounting part 12 for mounting a workpiece are arranged in the mounting cavity 10, and the first mounting part 11 and the second mounting part 12 are arranged at intervals along the extending direction of the mounting cavity 10; at least part of the connecting flow channel 2 is arranged on the inner wall surface of the mounting cavity 10, and the lubricating liquid in the first mounting part 11 flows into the second mounting part 12 after flowing through the connecting flow channel 2; the return flow channel 3 is arranged on the mounting body 1, two ends of the return flow channel 3 are respectively communicated with the first mounting part 11 and the second mounting part 12, and lubricating liquid of the second mounting part 12 flows into the first mounting part 11 through the return flow channel 3. The arrangement among the first mounting part 11, the connecting flow passage 2, the second mounting part 12 and the return flow passage 3 forms a circulation loop, after the first workpiece is mounted on the first mounting part 11 and the second workpiece is mounted on the second mounting part 12, the lubricating liquid is circulated between the first workpiece and the second workpiece so as to lubricate the first workpiece and the second workpiece respectively, and the first workpiece and the second workpiece are fully lubricated.
Specifically, as shown in fig. 1, the lubrication assembly further includes: the spacing component 4 is arranged in the mounting cavity 10 and positioned between the first mounting part 11 and the second mounting part 12, and a transition flow passage 40 is arranged on the spacing component 4; the transition flow passage 40 includes a first transition flow passage 41 and a second transition flow passage 42, both ends of the first transition flow passage 41 are respectively communicated with the first mounting portion 11 and the connection flow passage 2, and both ends of the second transition flow passage 42 are respectively communicated with the connection flow passage 2 and the second mounting portion 12. Wherein, first work piece and second work piece laminate with the both ends of spacer element 4 respectively to fix a position first work piece and second work piece through spacer element 4, in addition, through setting up first transition runner 41 and second transition runner 42 on spacer element 4, with guarantee first installation department 11 and second installation department 12 respectively with be connected runner 2 intercommunication. In another embodiment of the present invention, the first transition flow passage 41 and the second transition flow passage 42 are both annular to increase the flow rate of the lubricating fluid.
In the practical application in-process, be provided with the cooling bath on the surface of installation body 1, the cooling bath is used for circulating the coolant liquid, flows through the in-process of connecting runner 2 at lubricated liquid, and accessible coolant liquid cools off the lubricated liquid of connecting in the runner 2, improves the cyclic utilization rate of lubricated liquid.
In an exemplary implementation, the transition flow path 40 includes: a first flow passage section 401, a port of the first flow passage section 401 communicating with the first mount portion 11 or the second mount portion 12; and in the second flow channel section 402, a first port of the second flow channel section 402 is communicated with the first flow channel section 401, a second port of the second flow channel section 402 is communicated with the connecting flow channel 2, and a preset included angle is formed between the extending direction of the second flow channel section 402 and the extending direction of the first flow channel section 401. Preferably, the extending direction of the second flow channel section 402 is inclined with respect to the central line of the mounting body 1, which facilitates the excess lubricating liquid in the first mounting portion 11 to flow into the connecting flow channel 2 under the action of its own weight and the inertia of the mounting body 1. The cross-sectional flow area of the first flow channel section 401 is smaller than that of the second flow channel section 402, so that the lubricating fluid is pressurized when flowing through the second flow channel section 402 to ensure that the lubricating fluid flows into the connecting flow channel 2. The first transition flow channel 41 and the second transition flow channel 42 have the same structure and each include a first flow channel section 401 and a second flow channel section 402, an outflow port of the second flow channel section 402 in the first transition flow channel 41 faces the first mounting portion 11, and an outflow port of the second flow channel section 402 of the second transition flow channel 42 faces the second mounting portion 12.
As shown in fig. 3 and 4, the connection flow path 2 has a groove structure, and the connection flow path 2 is recessed from the inner wall surface of the mounting cavity 10 toward the direction away from the center line of the mounting cavity 10. Therefore, heat exchange can be fully carried out between the lubricating liquid in the connecting flow passage 2 and the cooling liquid in the cooling groove, the cooling effect of the lubricating liquid in the connecting flow passage 2 is improved, and meanwhile, structures such as connecting pipelines and the like do not need to be additionally arranged in the mounting cavity 10, so that the whole structure is simpler.
In the embodiment of the present invention, the connecting flow channel 2 extends along the extending direction of the mounting cavity 10, and is spirally disposed on the inner wall surface of the mounting cavity 10. Through the spiral arrangement, the lubricating liquid can be ensured to flow smoothly in the connecting flow passage 2.
In order to avoid leakage of the lubricating fluid in the mounting chamber 10, the lubricating assembly further comprises: the sealing component 5 is arranged in the mounting cavity 10, and at least part of the sealing component 5 is attached to the inner wall of the mounting cavity 10; the number of the sealing members 5 is two, and the two sealing members 5 are respectively provided on both sides of the connecting flow path 2. Wherein, be provided with mounting groove 15 on the inner wall of installation cavity 10, at least part of seal part 5 is installed in mounting groove 15, and in the in-process that lubricated liquid flows through connecting runner 2, the leakage of lubricated liquid in connecting runner 2 has effectively been avoided.
As shown in fig. 1, the lubrication assembly further includes: and the backflow hole 6 is arranged on the inner wall surface of the mounting cavity 10, the backflow hole 6 is respectively communicated with the second mounting part 12 and the backflow flow channel 3, and lubricating liquid of the second mounting part 12 flows into the backflow flow channel 3 through the backflow hole 6. Set up like this at the second work piece in-process, unnecessary lubricating liquid accessible backward flow hole 6 flows in backward flow runner 3 to realize the lubricating liquid circulation in second installation department 12 and flow to first installation department 11 in, realize the reuse of lubricating liquid, guarantee the abundant lubrication to first work piece and second work piece.
In order to make the lubricated liquid fully lubricate first work piece, lubricated subassembly still includes: the air channel 7 is arranged on the mounting body 1, an air inlet of the air channel 7 is communicated with an air source, an air outlet of the air channel 7 is communicated with the backflow flow channel 3, and the lubricating liquid is blown to the first mounting portion 11 through air flow in the air channel 7. By introducing compressed air into the ventilation channel 7, the lubricating liquid in the backflow channel 3 is blown into the first mounting part 11 under the power action of the compressed air, so that the lubricating liquid overcomes the action of gravity to lubricate the first workpiece mounted in the first mounting part 11.
Specifically, the lubrication assembly further comprises: the inflow channel 8 is arranged on the mounting body 1 and communicated with the first mounting portion 11, the ventilation channel 7 is arranged between the backflow channel 3 and the inflow channel 8, the ventilation channel 7 is obliquely arranged relative to the backflow channel 3, and lubricating liquid in the backflow channel 3 flows into the first mounting portion 11 after sequentially flowing through the ventilation channel 7 and the inflow channel 8. Preferably, the inflow channel 8 is located at the side of the first mounting portion 11, so as to prevent the lubricating fluid from flowing back into the return flow channel 3 under the action of gravity, and to ensure the normal circulation of the lubricating fluid between the connection flow channel 2 and the return flow channel 3. In addition, can also retrieve lubricating liquid through air channel 7, directly utilize the breather pipe to keep away from the other end of air channel 7 and can discharge lubricating liquid.
In a specific implementation, as shown in fig. 5, the lubrication assembly further comprises: a first flow passage 13, at least part of the first flow passage 13 is arranged on the mounting body 1 and used for flowing lubricating liquid, and the first flow passage 13 is communicated with the first mounting part 11; the first flow passage 13 includes: the first inflow section 130 is arranged on the installation body 1, the second inflow section 131 and the third inflow section 132 are arranged on the partition component 4, an included angle is formed between the extending direction of the second inflow section 131 and the extending direction of the third inflow section 132, and the third inflow section 132 extends from the second inflow section 131 to the direction close to the first installation part 11. Preferably, the outflow port of the third inflow segment 132 faces the side of the first mounting portion 11, so that the lubricating liquid in the first mounting portion 11 is prevented from splashing during the rotation of the first workpiece, and the sufficient lubrication of the first workpiece is ensured. Preferably, the extending direction of the second inflow segment 131 and the third inflow segment 132 is taken as the length direction, the vertical direction and the length direction are taken as the width direction, the width of the third inflow segment 132 is smaller than that of the second inflow segment 131, the width of the second inflow segment 131 is d2, the width of the third inflow segment 132 is d1, and d2 is not less than 3 × d 1. It is ensured that the lubricating fluid is pressurized while passing through the third inflow section 132 to lubricate the first workpiece uniformly.
Preferably, the extending direction of the third inflow segment 132 is inclined toward the first mounting portion 11 with respect to the extending direction of the second inflow segment 131. So as to ensure that the lubricating liquid flows in from the side of the first mounting part 11, fully lubricate the first workpiece and avoid the splashing of the lubricating liquid in the rotating process of the first workpiece.
As shown in fig. 6, the lubrication assembly further includes: a second flow passage 14, at least part of the second flow passage 14 is arranged on the mounting body 1, the second flow passage 14 is used for flowing lubricating liquid, and the second flow passage 14 is communicated with the second mounting part 12; the second flow passage 14 includes: the fourth inflow section 140 is arranged on the mounting body 1, the fifth inflow section 141 and the sixth inflow section 142 are both arranged on the spacing component 4, an included angle is formed between the extending direction of the fifth inflow section 141 and the extending direction of the sixth inflow section 142, and the sixth inflow section 142 extends from the fifth inflow section 141 to the direction close to the second mounting portion 12. Preferably, the extending direction of the fifth inflow segment 141 and the sixth inflow segment 142 is the length direction, and the vertical direction and the length direction are the width direction, the width of the sixth inflow segment 142 is smaller than that of the fifth inflow segment 141, specifically, the width of the fifth inflow segment 141 is d2, the width of the sixth inflow segment 142 is d2, and d2 is ≧ 3 xd 1. To ensure that the lubricating fluid is pressurized when flowing through the sixth inflow section 142 to adequately lubricate the second workpiece.
The extending direction of the sixth inflow section 142 is inclined toward the second mounting portion 12 with respect to the extending direction of the fifth inflow section 141. In this way, the outlet of the sixth inflow section 142 faces the side of the second mounting portion 12, so that the lubricating fluid is introduced from the side of the second mounting portion 12, and the lubricating fluid in the second mounting portion 12 is ensured to circulate through the return flow path 3.
In the lubricating assembly provided by the invention, the backflow flow channel 3, the first inflow section 130 and the fourth inflow section 140 all extend along the extension direction of the mounting body 1, the mounting body 1 is of a sleeve structure, and the extension directions of the first inflow section 130, the fourth inflow section 140 and the backflow flow channel 3 are arranged in parallel to avoid mutual interference among the first inflow section 130, the fourth inflow section 140 and the backflow flow channel 3.
As shown in fig. 8, the present invention further provides an electric spindle device, which includes a spindle body 100, a first bearing 200, a second bearing 300 and a lubricating assembly, wherein the first bearing 200 is installed in a first installation portion 11 of the lubricating assembly, the second bearing 300 is installed in a second installation portion 12 of the lubricating assembly, and at least a portion of the spindle body 100 is inserted into an installation cavity 10; the lubricating assembly is the lubricating assembly of the above embodiment. Specifically, a spacer member 4 is disposed between the first bearing 200 and the second bearing 300, and two end surfaces of the spacer member 4 are respectively attached to the first bearing 200 and the second bearing 300 to limit the first bearing 200 and the second bearing 300.
The invention also provides a machining device which comprises a machining main shaft and a lubricating assembly, wherein at least part of the machining main shaft is arranged in the installation cavity 10 of the lubricating assembly in a penetrating manner; wherein, the lubricating component is the lubricating component of the above embodiment. Specifically, a first bearing and a second bearing are installed between the processing spindle and the installation cavity 10.
By applying the lubricating component disclosed by the invention, the first bearing and the second bearing can be fully lubricated, the recovery rate and the reutilization rate of lubricating liquid are improved, the lubricating liquid flowing through the connecting flow passage 2 can be cooled by utilizing the cooling groove on the mounting body 1, and the service lives of the first bearing and the second bearing are prolonged.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the lubricating assembly comprises a mounting body 1, a connecting flow channel 2 and a return flow channel 3, wherein the mounting body 1 is provided with a mounting cavity 10, a first mounting part 11 and a second mounting part 12 for mounting a workpiece are arranged in the mounting cavity 10, and the first mounting part 11 and the second mounting part 12 are arranged at intervals along the extending direction of the mounting cavity 10; at least part of the connecting flow channel 2 is arranged on the inner wall surface of the mounting cavity 10, and the lubricating liquid in the first mounting part 11 flows into the second mounting part 12 after flowing through the connecting flow channel 2; the return flow channel 3 is arranged on the mounting body 1, two ends of the return flow channel 3 are respectively communicated with the first mounting part 11 and the second mounting part 12, and lubricating liquid of the second mounting part 12 flows into the first mounting part 11 through the return flow channel 3. The arrangement among the first mounting part 11, the connecting flow passage 2, the second mounting part 12 and the return flow passage 3 forms a circulation loop, after the first workpiece is mounted on the first mounting part 11 and the second workpiece is mounted on the second mounting part 12, the lubricating liquid is circulated between the first workpiece and the second workpiece so as to lubricate the first workpiece and the second workpiece respectively, and the first workpiece and the second workpiece are fully lubricated.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that, for example, embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …", "above … …", "above … …, on a surface", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A lubrication assembly, comprising:
the mounting structure comprises a mounting body (1), wherein the mounting body (1) is provided with a mounting cavity (10), a first mounting part (11) and a second mounting part (12) for mounting a workpiece are arranged in the mounting cavity (10), and the first mounting part (11) and the second mounting part (12) are arranged at intervals along the extending direction of the mounting cavity (10);
the connecting flow channel (2), at least part of the connecting flow channel (2) is arranged on the inner wall surface of the mounting cavity (10), and the lubricating liquid of the first mounting part (11) flows into the second mounting part (12) after flowing through the connecting flow channel (2);
the backflow channel (3) is arranged on the mounting body (1), two ends of the backflow channel (3) are respectively communicated with the first mounting part (11) and the second mounting part (12), and lubricating liquid of the second mounting part (12) flows into the first mounting part (11) through the backflow channel (3);
the air channel (7) is arranged on the mounting body (1), an air inlet of the air channel (7) is communicated with an air source, an air outlet of the air channel (7) is communicated with the backflow flow channel (3), and lubricating liquid is blown to the first mounting portion (11) through air flow in the air channel (7).
2. The lubrication assembly of claim 1, further comprising:
the spacing component (4) is installed in the installation cavity (10) and located between the first installation part (11) and the second installation part (12), and a transition flow channel (40) is arranged on the spacing component (4);
transition runner (40) include first transition runner (41) and second transition runner (42), the both ends of first transition runner (41) respectively with first installation department (11) with connect runner (2) intercommunication, the both ends of second transition runner (42) respectively with connect runner (2) with second installation department (12) intercommunication.
3. The lubrication assembly as recited in claim 2, wherein the transition flow passage (40) comprises:
a first flow passage section (401), a port of the first flow passage section (401) communicating with the first mount portion (11) or the second mount portion (12);
a second flow channel section (402), a first port of the second flow channel section (402) is communicated with the first flow channel section (401), a second port of the second flow channel section (402) is communicated with the connecting flow channel (2), and a preset included angle is formed between the extending direction of the second flow channel section (402) and the extending direction of the first flow channel section (401).
4. The lubrication assembly as recited in any one of claims 1 to 3, characterized in that the connection flow passage (2) is a groove structure, and the connection flow passage (2) is recessed from an inner wall surface of the mounting cavity (10) toward a direction away from a center line of the mounting cavity (10).
5. The lubrication assembly as recited in claim 4, characterized in that the connection flow channel (2) is helically arranged on an inner wall surface of the mounting cavity (10) extending in the extension direction of the mounting cavity (10).
6. The lubrication assembly of claim 4, further comprising:
the sealing component (5) is arranged in the mounting cavity (10), and at least part of the sealing component (5) is attached to the inner wall of the mounting cavity (10);
the number of the sealing parts (5) is two, and the two sealing parts (5) are respectively arranged on two sides of the connecting flow channel (2).
7. The lubrication assembly according to any one of claims 1 to 3, further comprising:
the backflow hole (6) is arranged on the inner wall surface of the installation cavity (10), the backflow hole (6) is communicated with the second installation portion (12) and the backflow flow channel (3) respectively, and lubricating liquid of the second installation portion (12) flows into the backflow flow channel (3) through the backflow hole (6).
8. The lubrication assembly of claim 1, further comprising:
the air inlet channel (8) is arranged on the mounting body (1) and communicated with the first mounting portion (11), the air vent channel (7) is arranged between the backflow channel (3) and the air inlet channel (8), and the air vent channel (7) is obliquely arranged relative to the backflow channel (3).
9. The lubrication assembly of claim 2, further comprising: a first flow passage (13), at least part of the first flow passage (13) being provided on the mounting body (1) for flowing in a lubricating liquid, the first flow passage (13) communicating with the first mounting portion (11); the first flow passage (13) includes:
the first inflow section (130), the second inflow section (131) and the third inflow section (132) are sequentially communicated, the first inflow section (130) is arranged on the installation body (1), the second inflow section (131) and the third inflow section (132) are arranged on the spacing component (4), an included angle is formed between the extending direction of the second inflow section (131) and the extending direction of the third inflow section (132), and the third inflow section (132) extends from the second inflow section (131) to the direction close to the first installation part (11).
10. The lubrication assembly according to claim 9, wherein the extension direction of the third inflow section (132) is arranged obliquely towards the first mounting portion (11) with respect to the extension direction of the second inflow section (131).
11. The lubrication assembly of claim 2, further comprising: a second flow passage (14), at least part of the second flow passage (14) being provided on the mounting body (1), the second flow passage (14) being for flowing in a lubricating liquid, the second flow passage (14) being in communication with the second mounting portion (12); the second flow passage (14) includes:
the mounting structure comprises a fourth inflow section (140), a fifth inflow section (141) and a sixth inflow section (142) which are communicated in sequence, wherein the fourth inflow section (140) is arranged on the mounting body (1), the fifth inflow section (141) and the sixth inflow section (142) are arranged on the spacing component (4), an included angle is formed between the extending direction of the fifth inflow section (141) and the extending direction of the sixth inflow section (142), and the sixth inflow section (142) extends from the fifth inflow section (141) to the direction close to the second mounting part (12).
12. The lubrication assembly according to claim 11, characterized in that the extension direction of the sixth inflow section (142) is arranged obliquely towards the second mounting portion (12) with respect to the extension direction of the fifth inflow section (141).
13. An electric spindle device comprises a spindle body (100), a first bearing (200), a second bearing (300) and a lubricating assembly, and is characterized in that the first bearing (200) is installed in a first installation part (11) of the lubricating assembly, the second bearing (300) is installed in a second installation part (12) of the lubricating assembly, and at least part of the spindle body (100) penetrates through an installation cavity (10);
the lubricating component of any one of claims 1 to 12.
14. A processing device comprises a processing main shaft and a lubricating component, and is characterized in that at least part of the processing main shaft is arranged in a mounting cavity (10) of the lubricating component in a penetrating way;
wherein the lubricating component is as claimed in any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925737.4A CN113681036B (en) | 2021-08-12 | 2021-08-12 | Lubricating assembly, electric spindle device and machining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925737.4A CN113681036B (en) | 2021-08-12 | 2021-08-12 | Lubricating assembly, electric spindle device and machining equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN113681036A CN113681036A (en) | 2021-11-23 |
| CN113681036B true CN113681036B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110925737.4A Active CN113681036B (en) | 2021-08-12 | 2021-08-12 | Lubricating assembly, electric spindle device and machining equipment |
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| Country | Link |
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| CN (1) | CN113681036B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219151A (en) * | 2004-02-04 | 2005-08-18 | Nippei Toyama Corp | Main spindle device of machine tool |
| CN202348954U (en) * | 2011-08-29 | 2012-07-25 | 姚文雪 | Hydrodynamic bearing and hydrodynamic rotary shaft with improved structure |
| CN111590092A (en) * | 2020-06-01 | 2020-08-28 | 珠海格力智能装备有限公司 | Shock attenuation cooling device and have its lathe |
| CN112049866A (en) * | 2020-08-28 | 2020-12-08 | 珠海格力电器股份有限公司 | Bearing seat and electric spindle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6657564B2 (en) * | 2015-01-30 | 2020-03-04 | 日本電産株式会社 | Fluid dynamic bearing device, spindle motor, and disk drive device |
| CN111347288B (en) * | 2020-03-16 | 2020-12-22 | 珠海格力电器股份有限公司 | Electric main shaft cooling and lubricating structure, electric main shaft and numerical control machine tool |
-
2021
- 2021-08-12 CN CN202110925737.4A patent/CN113681036B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219151A (en) * | 2004-02-04 | 2005-08-18 | Nippei Toyama Corp | Main spindle device of machine tool |
| CN202348954U (en) * | 2011-08-29 | 2012-07-25 | 姚文雪 | Hydrodynamic bearing and hydrodynamic rotary shaft with improved structure |
| CN111590092A (en) * | 2020-06-01 | 2020-08-28 | 珠海格力智能装备有限公司 | Shock attenuation cooling device and have its lathe |
| CN112049866A (en) * | 2020-08-28 | 2020-12-08 | 珠海格力电器股份有限公司 | Bearing seat and electric spindle |
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| CN113681036A (en) | 2021-11-23 |
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