CN213808853U - Numerical control vertical lathe work piece main shaft seal structure - Google Patents
Numerical control vertical lathe work piece main shaft seal structure Download PDFInfo
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- CN213808853U CN213808853U CN202022593852.XU CN202022593852U CN213808853U CN 213808853 U CN213808853 U CN 213808853U CN 202022593852 U CN202022593852 U CN 202022593852U CN 213808853 U CN213808853 U CN 213808853U
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Abstract
The utility model belongs to the technical field of the bearing processing equipment, concretely relates to vertical lathe work piece main shaft seal structure of numerical control. Comprises an upper sleeve, a middle annular plate and a lower sleeve; the bottom of the upper sleeve is fixed with the inner diameter of the middle annular plate, and the outer diameter of the middle annular plate is fixed with the upper part of the lower sleeve; the upper sleeve is detachably sleeved on a chuck of the numerical control vertical lathe, and a structure formed by the middle annular plate and the lower sleeve covers the connecting position of an upper end cover of a main shaft of the numerical control vertical lathe and the lathe body. The cooling water is prevented from permeating into a hydraulic system of the machine tool, the faults of the machine tool are eliminated, waste hydraulic oil and workpieces, maintenance period and spare part cost are saved, and continuous production and processing of the machine tool are guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the bearing processing equipment, concretely relates to vertical lathe work piece main shaft seal structure of numerical control.
Background
The existing numerical control vertical lathe equipment bears the processing of each process of a large-scale bearing ring, a turning tool and a workpiece are cooled by cooling water in the processing process, the cooling water permeates into a main shaft of a machine tool due to the defect of a main shaft sealing structure of the original machine tool workpiece, and the leaked cooling water flows into an oil inlet tank through the main shaft and flows back to an oil tank through an oil return pipe, so that hydraulic oil is polluted, various faults of a hydraulic system are caused, and the faults frequently occur; when cooling water is mixed into the workpiece, the hydraulic system generates pressure fluctuation to cause unstable pressure, if the workpiece is being processed at the moment, the clamping pressure of the chuck is reduced, and when the cutting force is greater than the clamping force, the workpiece can rotate, overturn and fly out, and the cutter holder falls, the waste of the workpiece and even personal and equipment accidents are caused.
When the situation occurs, hydraulic oil needs to be replaced, the oil tank needs to be cleaned, the pressure needs to be adjusted, and then the hydraulic oil works. The hydraulic oil is required to be replaced within 2 to 6 months, and the cost of spare parts, hydraulic oil, maintenance period, workpiece waste and the like caused by the faults is more than ten thousand yuan every year, so that the waste and the cost are increased.
SUMMERY OF THE UTILITY MODEL
In view of prior art's defect, the utility model provides a numerical control vertical lathe work piece main shaft seal structure, it has avoided having got rid of this type of trouble of lathe because of the cooling water infiltrates the hydraulic system of lathe, has saved hydraulic oil, work piece waste product, maintenance cycle and spare parts expense, has guaranteed the continuous production processing of lathe.
In order to achieve the purpose, the technical scheme adopted by the utility model is a numerical control vertical lathe work piece main shaft sealing structure, which comprises an upper sleeve, a middle annular plate and a lower sleeve; the bottom of the upper sleeve is fixed with the inner diameter of the middle annular plate, and the outer diameter of the middle annular plate is fixed with the upper part of the lower sleeve; the upper sleeve is detachably sleeved on a chuck of the numerical control vertical lathe, and a structure formed by the middle annular plate and the lower sleeve covers the connecting position of an upper end cover of a main shaft of the numerical control vertical lathe and the lathe body.
Furthermore, a plurality of threaded holes are formed in the outer diameter of the numerical control vertical lathe chuck, and the upper sleeve is fixed with the numerical control vertical lathe chuck through a plurality of screws.
Preferably, 12 screw holes are uniformly distributed on the circumference of the upper sleeve, and the positions of the screw holes correspond to the positions of the threaded holes one by one.
Preferably, the screw hole is a countersunk head screw hole, and the screw is an M8 countersunk head screw.
Furthermore, the upper part of the middle annular plate is a slope surface inclined from one side of the numerical control vertical lathe chuck to the side far away from the numerical control vertical lathe chuck.
Furthermore, the bottom of the upper sleeve is in contact with the edge of the upper end cover of the main shaft of the numerical control vertical lathe, and a sealant coating is arranged between the bottom of the upper sleeve, the connecting position of the inner diameter of the upper sleeve and the middle annular plate and the edge of the upper end cover of the main shaft of the numerical control vertical lathe.
Furthermore, a sealing glue coating is arranged at the connecting position of the upper end cover of the main shaft of the numerical control vertical lathe and the lathe body.
On the other hand, the utility model provides a numerical control vertical lathe work piece main shaft sealing method, its concrete step includes:
rolling an upper sleeve, rolling a lower sleeve to manufacture a middle annular plate, wherein the bottom of the upper sleeve is fixed with the inner diameter of the middle annular plate, and the outer diameter of the middle annular plate is fixed with the upper part of the lower sleeve; processing a plurality of screw holes on the upper sleeve to obtain a cap-shaped sealing ring; and (3) mounting the cap-shaped sealing ring to a chuck of the numerical control vertical lathe, positioning the bottom of the upper sleeve in contact with an upper end cover of a main shaft of the numerical control vertical lathe, and fixing the upper sleeve by using a countersunk screw.
Further explaining the method, the specific steps comprise:
step 1: rolling an iron plate into an upper sleeve, rolling the iron plate into a lower sleeve, turning an intermediate annular plate, welding the lower part of the upper sleeve with the inner diameter of the intermediate annular plate, welding the upper part of the lower sleeve with the outer diameter of the intermediate annular plate, and processing a plurality of countersunk screw holes uniformly distributed on the circumference of the upper sleeve to obtain a cap-shaped sealing ring;
step 2: the chuck of the numerical control vertical lathe is detached and hung down and placed on the platform, the upper end cover of the main shaft of the numerical control vertical lathe is detached, and the upper end cover is installed again after the sealant coating is applied;
and step 3: sleeving the cap-shaped sealing ring manufactured in the step 1 on a chuck, positioning the bottom surface of the cap-shaped sealing ring in contact with an upper end cover of a main shaft of a numerical control vertical lathe, and then matching a plurality of threaded holes on the chuck by taking countersunk screw holes on an upper sleeve as a reference;
and 4, step 4: and (3) detaching the cap-shaped sealing ring, assembling the chuck back on the main shaft, drilling a sealant coating on the lower end of the chuck and the end surface of the upper end cover of the main shaft, sleeving the cap-shaped sealing ring on the chuck, and fixing by using a countersunk head screw.
The utility model discloses beneficial effect: the cooling water is prevented from permeating into a hydraulic system of the machine tool, the faults of the machine tool are eliminated, waste hydraulic oil and workpieces, maintenance period and spare part cost are saved, and continuous production and processing of the machine tool are guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a cap-type seal ring;
in the figure: 1. the numerical control vertical lathe chuck comprises a numerical control vertical lathe chuck 2, a cap-shaped sealing ring 2.1, an upper sleeve 2.2, a middle annular plate 2.3, a lower sleeve 3, a M8 countersunk head screw 4, a main shaft upper end cover 5, a main shaft 6.1, a first sealant coating 6.2, a second sealant coating 7 and a lathe body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the following description is made with reference to the accompanying drawings and specific examples.
Example 1
As shown in fig. 1, a numerical control vertical lathe work spindle sealing structure comprises an upper sleeve 2.1, an intermediate annular plate 2.2 and a lower sleeve 2.3; the bottom of the upper sleeve 2.1 is fixed with the inner diameter of the middle annular plate 2.2, and the outer diameter of the middle annular plate 2.2 is fixed with the upper part of the lower sleeve 2.3; the upper sleeve 2.1 is detachably sleeved on the chuck 1 of the numerical control vertical lathe, and a structure formed by the middle annular plate 2.2 and the lower sleeve 2.3 covers the connecting position of the upper end cover 4 of the main shaft of the numerical control vertical lathe and the lathe body 7.
Furthermore, a plurality of threaded holes are formed in the outer diameter of the numerical control vertical lathe chuck 1, and the upper sleeve 2.1 is fixed with the numerical control vertical lathe chuck 1 through a plurality of screws.
Preferably, 12 screw holes are uniformly distributed on the circumference of the upper sleeve 2.1, and the positions of the screw holes correspond to the positions of the screw holes one by one.
Preferably, the screw hole is a countersunk head screw hole, and the screw is an M8 countersunk head screw 3.
Furthermore, the upper part of the middle annular plate 2.2 is a slope surface which inclines from one side of the numerical control vertical lathe chuck 1 to one side far away from the numerical control vertical lathe chuck 1.
Further, the bottom of the upper sleeve 2.1 is in contact with the edge of the upper end cover 4 of the main shaft of the numerical control vertical lathe, and a first sealant coating 6.1 is arranged among the bottom of the upper sleeve 2.1, the inner diameter connecting position of the upper sleeve 2.1 and the middle annular plate 2.2, and the edge of the upper end cover 4 of the main shaft of the numerical control vertical lathe.
Further, a second sealant coating 6.2 is arranged at the connecting position of the spindle upper end cover 4 and the bed body 7 of the numerical control vertical lathe.
On the other hand, the utility model provides a numerical control vertical lathe work piece main shaft sealing method, its concrete step includes:
step 1: the cap-shaped sealing ring 2 is made of three iron plates, firstly, an upper sleeve 2.1 is made of iron plates in a rolling mode, then a lower sleeve 2.3 is made of iron plates in a rolling mode, then a middle annular plate 2.2 is turned, the lower portion of the upper sleeve 2.1 is welded with the inner diameter of the middle annular plate 2.2, the upper portion of the lower sleeve 2.3 is welded with the outer diameter of the middle annular plate 2.2, and a plurality of countersunk screw holes which are uniformly distributed on the circumference are machined in the upper sleeve 2.1 to make the cap-shaped sealing ring 2; the size and the processing precision are ensured in the process.
Step 2: the chuck 1 of the numerical control vertical lathe is disassembled and hung down to be placed on a platform, the upper end cover 4 of the main shaft of the numerical control vertical lathe is disassembled, and the upper end cover 4 of the main shaft is installed again after a sealant coating is applied;
and step 3: sleeving the cap-shaped sealing ring 2 manufactured in the step 1 on a chuck 1 of a numerical control vertical lathe, positioning the bottom surface of the cap-shaped sealing ring 2 in contact with an upper end cover 4 of a main shaft of the numerical control vertical lathe, and then matching a plurality of threaded holes on the chuck 1 of the numerical control vertical lathe by taking countersunk head screw holes on an upper sleeve 2.1 as a reference;
and 4, step 4: the cap-shaped sealing ring 2 is detached, the numerical control vertical lathe chuck 1 is installed back on the main shaft 5, the lower end of the numerical control vertical lathe chuck 1 and the end surface of the upper end cover 4 of the main shaft are coated with a sealant, then the cap-shaped sealing ring 2 is sleeved on the numerical control vertical lathe chuck 1 and is fixed by the M8 countersunk head screw 3.
It should be noted that the M8 countersunk head screw 3 is selected to ensure that no protruding high point exists when the seal ring is fixed, the scratch phenomenon cannot occur when the chuck rotates, and after the seal gum coating is solidified, the improvement of the seal structure of the workpiece spindle of the numerical control vertical lathe is completed.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.
Claims (7)
1. The utility model provides a numerical control vertical lathe work piece main shaft seal structure which characterized in that: comprises an upper sleeve, a middle annular plate and a lower sleeve; the bottom of the upper sleeve is fixed with the inner diameter of the middle annular plate, and the outer diameter of the middle annular plate is fixed with the upper part of the lower sleeve; the upper sleeve is detachably sleeved on a chuck of the numerical control vertical lathe, and a structure formed by the middle annular plate and the lower sleeve covers the connecting position of an upper end cover of a main shaft of the numerical control vertical lathe and the lathe body.
2. The numerical control vertical lathe work spindle seal structure of claim 1, characterized in that: the numerical control vertical lathe chuck is provided with a plurality of threaded holes in the outer diameter, and the upper sleeve is fixed with the numerical control vertical lathe chuck through a plurality of screws.
3. The numerical control vertical lathe work spindle seal structure of claim 2, characterized in that: 12 screw holes are circumferentially and uniformly distributed in the upper sleeve, and the positions of the screw holes correspond to the positions of the threaded holes one by one.
4. The numerical control vertical lathe work spindle seal structure of claim 3, characterized in that: the screw hole is a countersunk head screw hole, and the screw is an M8 countersunk head screw.
5. The numerical control vertical lathe work spindle seal structure of claim 1, characterized in that: the upper part of the middle annular plate is a slope surface which is inclined from one side of the numerical control vertical lathe chuck to the side far away from the numerical control vertical lathe chuck.
6. The numerical control vertical lathe work spindle seal structure of claim 1, characterized in that: the bottom of the upper sleeve is in contact with the edge of an upper end cover of a main shaft of the numerical control vertical lathe.
7. The numerical control vertical lathe work spindle seal structure of claim 1, characterized in that: and a sealant coating is arranged at the connecting position of the upper end cover of the main shaft of the numerical control vertical lathe and the lathe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593852.XU CN213808853U (en) | 2020-11-11 | 2020-11-11 | Numerical control vertical lathe work piece main shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593852.XU CN213808853U (en) | 2020-11-11 | 2020-11-11 | Numerical control vertical lathe work piece main shaft seal structure |
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| CN213808853U true CN213808853U (en) | 2021-07-27 |
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| CN202022593852.XU Active CN213808853U (en) | 2020-11-11 | 2020-11-11 | Numerical control vertical lathe work piece main shaft seal structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377619A (en) * | 2020-11-11 | 2021-02-19 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Numerical control vertical lathe work piece main shaft seal structure |
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2020
- 2020-11-11 CN CN202022593852.XU patent/CN213808853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377619A (en) * | 2020-11-11 | 2021-02-19 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Numerical control vertical lathe work piece main shaft seal structure |
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