CN102240750A - Structure for sealing spindle bearing of steel gas cylinder hot spinning necking-in machine - Google Patents
Structure for sealing spindle bearing of steel gas cylinder hot spinning necking-in machine Download PDFInfo
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- CN102240750A CN102240750A CN2011101918642A CN201110191864A CN102240750A CN 102240750 A CN102240750 A CN 102240750A CN 2011101918642 A CN2011101918642 A CN 2011101918642A CN 201110191864 A CN201110191864 A CN 201110191864A CN 102240750 A CN102240750 A CN 102240750A
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Abstract
The invention relates to a structure for sealing a spindle bearing of a steel gas cylinder hot spinning necking-in machine, relating to the technical field of machinery. A 'convex-concave insert type labyrinth composite structure' is taken as a key technology, a spindle, a front bearing, a rear bearing, bearing bushes and a bearing box are sequentially fixed; a front bearing pressure ring compacts the front bearing and the front bearing bush, a rear bearing pressure ring compacts the rear bearing and the rear bearing bush, and the front bearing and the front bearing bush are fixed while the rear bearing and the rear bearing bush are fixed; the spindle is fixed with a belt pulley, a front bearing cover and a rear bearing cover are fixed with the front bearing bush, the rear bearing bush and an oil return pipe, a front gap seal ring outside the front bearing cover is fixed with the spindle, a rear gap seal ring outside the rear bearing cover is fixed with the belt pulley, and the front and rear bearing covers are fixed with a seal cover; and a shaft oil distribution tank on the spindle is communicated with an oil storage tank on the front bearing cover, a belt pulley oil distribution tank on the belt pulley is communicated with the oil storage tank on the rear bearing cover, a bulge loop is embedded into a groove on the front gap sealing ring, the groove is embedded into the bulge loop on the front bearing cover, the bulge loop is embedded into the groove on the rear bearing cover, the groove is embedded into the bulge loop on the rear gap seal ring, and the bulge loops and the grooves are arranged at intervals. The structure provided by the invention is used for bearing seal. The sealing effect is excellent.
Description
Technical field
Steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction of the present invention relates to field of mechanical technique; Be particularly related to the sealing machine technical field; Be specifically related to the technical field of roller type steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction.
Background technology
At present, roller type (being SKJ series) hot spinning closing in machine is in process, the temperature of workpiece is very high, need be heated to 1100 ℃ all the time, i.e. mould pressing when 1100 ℃ of METAL HEATING PROCESS, its main shaft seal is in the naked light heating region, and is very near from the naked light thermal source, and local temperature will be between 600 ℃～800 ℃.The main shaft bearing sealing of SKJ series closing in machine is again prerequisite, and its main effect is to prevent that excessive, the leakage of main shaft bearing lubricating oil and outer dust, the pollutant of cabinet from entering in the casing.Similar type to be sealed with rubber seal, combined seal ring and groove air gap sealed.But, above-mentioned sealing means all because of there is or structure owe rationally/or use material reason improperly, so sealing effectiveness all has defective in various degree.Wherein rubber seal/rubber, combined seal ring are all because of can not just making sealing effectiveness lose efficacy by high temperature resistant very easily aged deterioration, it is the inherent characteristic of elastomeric material in the main shaft seal, determined it can't adapt to closing in and be machined into the very near and high-temperature severe environment of local temperature between 600 ℃～800 ℃ in 1100 ℃ of mould pressing processes of metal, from thermal source, the state of this inadequate natural endowment also can't change; For another example, groove is air gap sealed, and it is by adding compressed air in the minim gap between bearing cap and the main shaft, form air film, stop lubricating oil to leak and implement to seal, because air film can not evenly distribute, so the sealing of this kind structure is also very poor.Based on inventor's professional knowledge and working experience and to the unremitting pursue of cause, on conscientious and sufficient investigation, understanding, analysis, the existing known technology basis of summary, take " convex-concave plug-in type labyrinth combining structure " key technology, succeeded in developing the present invention.
Summary of the invention
The present invention takes " convex-concave plug-in type labyrinth combining structure " key technology, comprise that main shaft, front and back bearings, bearing holder (housing, cover), bearing housing are fixing successively, the fore bearing pressure ring compresses fore bearing and front axle bearing sleeve, rear bearing pressure ring compress rear bearing and the rear axle bearing sleeve is all fixing, and the post gap sealing ring in the anterior diastema sealing ring in main shaft and belt pulley, front and back bearings lid and antero posterior axis bearing sleeve and oil return pipe, the front bearing retainer outside and main shaft, the rear bearing cover outside and belt pulley, front and back bearings lid are all fixed with seal closure; Key technology is that oil storage tank, the belt wheel on the belt pulley on axle branch oil groove and the front bearing retainer on the main shaft divides oil groove to be communicated with oil storage tank on the rear bearing cover, and groove on bulge loop on groove on bulge loop on the anterior diastema sealing ring and groove and the front bearing retainer and bulge loop, the rear bearing cover and groove and the post gap sealing ring and bulge loop all embed and gapped placement.
1., take " convex-concave plug-in type labyrinth combining structure " key technology the purpose that reaches by the present invention is:, provide the new construction of " steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction "; 2., make unique practical, the design science of design of the present invention rationally, simple and ingenious structure, effect be significantly reliable; 3., make the present invention give full play to the effect of intrinsic parts in the existing known technology and the high temperature resistant advantage of intrinsic parts material, solve existing known technology sealing effectiveness difference and service life short defective; 4., make convex-concave plug-in type of the present invention labyrinth combining structure low, the convenient wide popularization and application of using and be beneficial to of being convenient to be made.
For achieving the above object, technical scheme provided by the invention is:
A kind of steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, comprise main shaft, the anterior diastema sealing ring, front bearing retainer, the fore bearing pressure ring, main spindle box, the rear bearing pressure ring, rear bearing cover, the post gap sealing ring, seal closure, belt pulley, the oil return pipe that is connected with rear bearing cover, rear bearing, fore bearing, the oil return pipe that is connected with front bearing retainer, the interior circle of described main shaft and rear bearing and fore bearing, the cylindrical of rear bearing and rear axle bearing sleeve, the cylindrical of fore bearing all closely cooperates with the front axle bearing sleeve and fixedlys connected, the rear axle bearing sleeve of described rear bearing and the front axle bearing sleeve of fore bearing are fixedlyed connected with the two ends of described main spindle box respectively, the termination section of described main shaft is fixedlyed connected with described belt pulley, described fore bearing pressure ring is compressing under the described fore bearing state and described front axle bearing sleeve, described rear bearing pressure ring is all fixedlyed connected with described rear axle bearing sleeve compressing under the described rear bearing state, the oil return pipe of described front bearing retainer and described front axle bearing sleeve and described front bearing retainer, described rear bearing cover is all fixedlyed connected with the oil return pipe of described rear axle bearing sleeve and described rear bearing cover, the outside of described front bearing retainer is placed with described anterior diastema sealing ring and the anterior diastema sealing ring is fixedlyed connected with the shaft shoulder of described main shaft, the outside of described rear bearing cover is placed with described post gap sealing ring and the post gap sealing ring is fixedlyed connected with described belt pulley, and described front bearing retainer and rear bearing cover are all fixedlyed connected with described seal closure;
Described main shaft is provided with outer helical teeth and is somebody's turn to do the between cog formation axle branch oil groove of outer helical teeth, described anterior diastema sealing ring is provided with bulge loop and groove, the cavity that described front bearing retainer is provided with bulge loop and groove and front bearing retainer inboard constitutes oil storage tank, the cavity that described rear bearing cover is provided with bulge loop and groove and rear bearing cover inboard constitutes oil storage tank, described post gap sealing ring is provided with bulge loop and groove, and the between cog formation belt wheel of helical teeth and this interior helical teeth divided oil groove in described belt pulley was provided with; Oil storage tank on axle branch oil groove on the described main shaft and the described front bearing retainer, the belt wheel on the described belt pulley divide oil groove to be communicated with mutually with oil storage tank on the described rear bearing cover, and groove on the groove on bulge loop on the described anterior diastema sealing ring and the groove on the described front bearing retainer and the described anterior diastema sealing ring and the bulge loop on the described front bearing retainer, the bulge loop on the described rear bearing cover and the described post gap sealing ring and the bulge loop on groove on the described rear bearing cover and the described post gap sealing ring embed and gapped placement mutually.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, the outer helical teeth that is provided with on the described main shaft, the interior helical teeth that is provided with on the belt pulley is the laciniation of annular, the bulge loop that is provided with on the described anterior diastema sealing ring, the bulge loop that is provided with on the front bearing retainer, the bulge loop that is provided with on the rear bearing cover, the bulge loop that is provided with on the post gap sealing ring is the rectangular circular ring in cross section, the groove that is provided with on the described anterior diastema sealing ring, the groove that is provided with on the front bearing retainer, the groove that is provided with on the rear bearing cover, the groove that is provided with on the post gap sealing ring is the rectangular ring groove shape of section.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, the shaft shoulder portion cylindrical of described main shaft are provided with the outer helical teeth that tilts to the axle outer end and between cog that should outer helical teeth constitutes a section branch oil groove triangular in shape, and described outer helical teeth is minimum to be 2; Described belt pulley near the cylindrical of described main shaft one end be provided with to the inner interior helical teeth that tilts of axle and should in the between cog of helical teeth constitute section belt wheel triangular in shape and divide oil groove, described interior helical teeth is minimum to be 2.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, the inboard of described anterior diastema sealing ring is provided with 3 bulge loops and 2 grooves, the arranged outside of described front bearing retainer has 2 bulge loops and 2 grooves, the arranged outside of described rear bearing cover has 1 bulge loop and 1 groove, and the inboard of described post gap sealing ring is provided with 2 bulge loops and 1 groove.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, groove on bulge loop on the described anterior diastema sealing ring and the groove on the described front bearing retainer and the described anterior diastema sealing ring and the bulge loop on the described front bearing retainer are with the common hermetically-sealed construction that constitutes described fore bearing of the mode of mutual embedding and gapped placement, and the bulge loop on groove on bulge loop on the described rear bearing cover and the described post gap sealing ring and the groove on the described rear bearing cover and the described post gap sealing ring is with the common hermetically-sealed construction that constitutes described rear bearing of the mode of mutual embedding and gapped placement.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, all fixedly connected with the oil return pipe of 3 described rear bearing covers with the oil storage tank that the oil return pipe of 3 described front bearing retainers, the inboard cavity of described rear bearing cover constitute in the oil storage tank bottom that the inboard cavity of described front bearing retainer constitutes, the other end that the other end of the described oil return pipe that is connected with front bearing retainer reaches the oil return pipe that is connected with rear bearing cover is all fixedlyed connected with described main spindle box.
Owing to adopted technical scheme provided by the invention; Owing to adopted " convex-concave plug-in type labyrinth combining structure " key technology; Because main shaft of the present invention, front and back bearings, bearing holder (housing, cover), bearing housing are fixing successively, the fore bearing pressure ring compresses fore bearing and front axle bearing sleeve, rear bearing pressure ring compress rear bearing and the rear axle bearing sleeve is all fixing, and the post gap sealing ring in the anterior diastema sealing ring in main shaft and belt pulley, front and back bearings lid and antero posterior axis bearing sleeve and oil return pipe, the front bearing retainer outside and main shaft, the rear bearing cover outside and belt pulley, front and back bearings lid are all fixed with seal closure; Oil storage tank on axle branch oil groove on the main shaft and the front bearing retainer, the belt wheel on the belt pulley divide oil groove to be communicated with oil storage tank on the rear bearing cover, and groove on bulge loop on groove on bulge loop on the anterior diastema sealing ring and groove and the front bearing retainer and bulge loop, the rear bearing cover and groove and the post gap sealing ring and bulge loop all embed and gapped placement.1., the new construction of " steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction " is provided make the present invention compare with existing known technology, the beneficial effect of acquisition is:; 2., realized that design is unique practical, design science rationally, simple and ingenious structure, effect be significantly reliable; 3., given full play to the effect of intrinsic parts in the existing known technology and the high temperature resistant advantage of intrinsic parts material, thoroughly solved short defective of existing known technology sealing effectiveness difference and service life; 4., accomplished convex-concave plug-in type labyrinth combining structure low, the convenient wide popularization and application of using and be beneficial to of being convenient to be made.
Description of drawings
Fig. 1 is the schematic diagram of the steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction specific embodiment of the present invention.
Fig. 2 is the schematic diagram of front bearing retainer and oil return pipe in the specific embodiment of the invention.This figure mainly embodies bulge loop, groove, the oil storage tank on the front bearing retainer.
Fig. 3 is the schematic diagram of anterior diastema sealing ring in the specific embodiment of the invention.This figure mainly embodies bulge loop, the groove on the anterior diastema sealing ring.
Fig. 4 is the schematic diagram of post gap sealing ring in the specific embodiment of the invention.This figure mainly embodies bulge loop, the groove on the post gap sealing ring.
Fig. 5 is the schematic diagram of rear bearing cover and oil return pipe in the specific embodiment of the invention.This figure mainly embodies bulge loop, groove, the oil storage tank on the rear bearing cover.
Fig. 6 is the schematic diagram of main shaft in the specific embodiment of the invention.This figure mainly embodies the outer helical teeth on the main shaft.
Fig. 7 is the schematic diagram of specific embodiment of the invention middle belt pulley.This figure mainly embodies the interior helical teeth on the belt pulley.
Fig. 8 is the schematic diagram that the bulge loop/groove on front bearing retainer lower end and oil return pipe connection state and the front bearing retainer and the bulge loop on the anterior diastema sealing ring/groove connection state amplify in the specific embodiment of the invention; Also embodied the situation that the axle branch oil groove that between cog constituted of outer helical teeth on the main shaft is connected with oil storage tank on the front bearing retainer simultaneously.
Fig. 9 is the schematic diagram that the bulge loop/groove on rear bearing cover lower end and oil return pipe connection state and the rear bearing cover and the bulge loop on the post gap sealing ring/groove connection state amplify in the specific embodiment of the invention; The belt wheel that between cog constituted of helical teeth divides the situation that oil groove is connected with oil storage tank on the rear bearing cover in also having embodied on the belt pulley simultaneously.
Label among the figure: 1, main shaft, 101, outer helical teeth on the main shaft 1,2, the anterior diastema sealing ring, 201, bulge loop on the anterior diastema sealing ring 2,202, groove on the anterior diastema sealing ring 2,3, front bearing retainer, 301, bulge loop on the front bearing retainer 3,302, groove on the front bearing retainer 3,303, oil storage tank on the front bearing retainer 3,4, the fore bearing pressure ring, 5, main spindle box, 6, the rear bearing pressure ring, 7, rear bearing cover, 701, bulge loop on the rear bearing cover 7,702, groove on the rear bearing cover 7,703, oil storage tank on the rear bearing cover 7,8, the post gap sealing ring, 801, bulge loop on the post gap sealing ring 8,802, groove on the post gap sealing ring 8 (802), 9, seal closure, 10, belt pulley, 1001, interior helical teeth on the belt pulley 10,11, oil return pipe, 12, rear bearing, 13, fore bearing, 14, oil return pipe.
The specific embodiment
Below in conjunction with Figure of description, the present invention is described in detail.Shown in Figure of description 1,2,3,4,5,6,7,8,9:
A kind of steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, comprise main shaft 1, anterior diastema sealing ring 2, front bearing retainer 3, fore bearing pressure ring 4, main spindle box 5, rear bearing pressure ring 6, rear bearing cover 7, post gap sealing ring 8, seal closure 9, belt pulley 10, oil return pipe 11, rear bearing 12, fore bearing 13, oil return pipe 14, the interior circle of described main shaft 1 and rear bearing 12 and fore bearing 13, the cylindrical of rear bearing 12 and rear axle bearing sleeve, the cylindrical of fore bearing 13 all closely cooperates with the front axle bearing sleeve and fixedlys connected, the rear axle bearing sleeve of described rear bearing 12 and the front axle bearing sleeve of fore bearing 13 are fixedlyed connected with the two ends of described main spindle box 5 respectively, the termination section of described main shaft 1 is fixedlyed connected with described belt pulley 10, described fore bearing pressure ring 4 is compressing under described fore bearing 13 states and described front axle bearing sleeve, described rear bearing pressure ring 6 is all fixedlyed connected with described rear axle bearing sleeve compressing under described rear bearing 12 states, described front bearing retainer 3 and described front axle bearing sleeve and described oil return pipe 14, described rear bearing cover 7 is all fixedlyed connected with described rear axle bearing sleeve and described oil return pipe 11, the outside of described front bearing retainer 3 is placed with described anterior diastema sealing ring 2 and anterior diastema sealing ring 2 is fixedlyed connected with the shaft shoulder of described main shaft 1, the outside of described rear bearing cover 7 is placed with described post gap sealing ring 8 and post gap sealing ring 8 is fixedlyed connected with described belt pulley 10, and described front bearing retainer 3 and rear bearing cover 7 are all fixedlyed connected with described seal closure 9;
Described main shaft 1 is provided with outer helical teeth 101 and is somebody's turn to do the between cog formation axle branch oil groove of outer helical teeth 101, described anterior diastema sealing ring 2 is provided with bulge loop 201 and groove 202, the cavity that described front bearing retainer 3 is provided with bulge loop 301 and groove 302 and front bearing retainer 3 inboards constitutes oil storage tank 303, the cavity that described rear bearing cover 7 is provided with bulge loop 701 and groove 702 and rear bearing cover 7 inboards constitutes oil storage tank 703, described post gap sealing ring 8 is provided with bulge loop 801 and groove 802, and the between cog formation belt wheel of helical teeth 1001 and this interior helical teeth 1001 divided oil groove in described belt pulley 10 was provided with; Axle branch oil groove on the described main shaft 1 and the oil storage tank 303 on the described front bearing retainer 3, belt wheel on the described belt pulley 10 divides oil groove to be communicated with mutually with oil storage tank 703 on the described rear bearing cover 7, the bulge loop 301 on groove 302 on the bulge loop 201 on the described anterior diastema sealing ring 2 and the described front bearing retainer 3 and the groove on the described anterior diastema sealing ring 2 202 and the described front bearing retainer 3, bulge loop 701 on the described rear bearing cover 7 and the groove 802 on the described post gap sealing ring 8 and the bulge loop 801 on groove on the described rear bearing cover 7 702 and the described post gap sealing ring 8 embed and gapped placement mutually.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, the outer helical teeth 101 that is provided with on the described main shaft 1, the interior helical teeth 1001 that is provided with on the belt pulley 10 is the laciniation of annular, the bulge loop 201 that is provided with on the described anterior diastema sealing ring 2, the bulge loop 301 that is provided with on the front bearing retainer 3, the bulge loop 701 that is provided with on the rear bearing cover 7, the bulge loop 801 that is provided with on the post gap sealing ring 8 is the rectangular circular ring in cross section, the groove 202 that is provided with on the described anterior diastema sealing ring 2, the groove 302 that is provided with on the front bearing retainer 3, the groove 702 that is provided with on the rear bearing cover 7, the groove 802 that is provided with on the post gap sealing ring 8 is the rectangular ring groove shape of section.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, the shaft shoulder portion cylindrical of described main shaft 1 is provided with the outer helical teeth 101 that tilts to the axle outer end and between cog that should outer helical teeth 101 constitutes a section branch oil groove triangular in shape, and described outer helical teeth 101 is minimum to be 2; Described belt pulley 10 near the cylindrical of described main shaft 1 one ends be provided with to the inner interior helical teeth 1001 that tilts of axle and should in the between cog of helical teeth (1001) constitute section belt wheel triangular in shape and divide oil groove, described interior helical teeth 1001 is minimum to be 2.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, the inboard of described anterior diastema sealing ring 2 is provided with 3 bulge loops 201 and 2 grooves 202, the arranged outside of described front bearing retainer 3 has 2 bulge loops 301 and 2 grooves 302, the arranged outside of described rear bearing cover 7 has 1 bulge loop 701 and 1 groove 702, and the inboard of described post gap sealing ring 8 is provided with 2 bulge loops 801 and 1 groove 802.
Described main shaft bearing sealing structure of steel gas cylinder heat spinning sealing machine; Bulge loop 301 on groove 302 on bulge loop 201 on the described anterior diastema sealing ring 2 and the described front bearing retainer 3 and the groove on the described anterior diastema sealing ring 2 202 and the described front bearing retainer 3 is with the common hermetically-sealed construction that consists of described fore bearing 13 of the mode of mutual embedding and gapped placement, and the bulge loop 801 on the groove 802 on the bulge loop 701 on the described rear bearing cover 7 and the described post gap sealing ring 8 and the groove on the described rear bearing cover 7 702 and the described post gap sealing ring 8 is with the common hermetically-sealed construction that consists of described rear bearing 12 of the mode of mutual embedding and gapped placement.
Described steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, all fixedly connected with 3 described oil return pipes 11 with the oil storage tank 703 that 3 described oil return pipes 14, described rear bearing cover 7 inboard cavitys constitute in oil storage tank 303 bottoms that described front bearing retainer 3 inboard cavitys constitute, the other end of the other end of described oil return pipe 14 and oil return pipe 11 is all fixedlyed connected with described main spindle box 5.
In above-mentioned specific implementation process: helical teeth 101 outside on the described main shaft 1 is implemented with 2,3,4,5,6,7,8,9,10 respectively; Interior helical teeth 1001 on the described belt pulley 10 is implemented with 2,3,4,5,6,7,8,9,10 respectively; All obtained the good result of expection.
The above is preferred embodiment of the present invention only, is not the present invention is done any pro forma restriction; The those of ordinary skill of all industry all can smooth and easyly be implemented, but makes the equivalent variations of differentiation not breaking away from technical solution of the present invention, is equivalent embodiment of the present invention, all still belongs to technical scheme of the present invention.
Claims (6)
1. steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction, comprise main shaft (1), anterior diastema sealing ring (2), front bearing retainer (3), fore bearing pressure ring (4), main spindle box (5), rear bearing pressure ring (6), rear bearing cover (7), post gap sealing ring (8), seal closure (9), belt pulley (10), oil return pipe (11), rear bearing (12), fore bearing (13), oil return pipe (14), the interior circle of described main shaft (1) and rear bearing (12) and fore bearing (13), the cylindrical of rear bearing (12) and rear axle bearing sleeve, the cylindrical of fore bearing (13) all closely cooperates with the front axle bearing sleeve and fixedlys connected, the front axle bearing sleeve of the rear axle bearing sleeve of described rear bearing (12) and fore bearing (13) is fixedlyed connected with the two ends of described main spindle box (5) respectively, the termination section of described main shaft (1) is fixedlyed connected with described belt pulley (10), described fore bearing pressure ring (4) is compressing under described fore bearing (13) state and described front axle bearing sleeve, described rear bearing pressure ring (6) is all fixedlyed connected with described rear axle bearing sleeve compressing under described rear bearing (12) state, described front bearing retainer (3) and described front axle bearing sleeve and described oil return pipe (14), described rear bearing cover (7) is all fixedlyed connected with described rear axle bearing sleeve and described oil return pipe (11), the outside of described front bearing retainer (3) is placed with described anterior diastema sealing ring (2) and anterior diastema sealing ring (2) is fixedlyed connected with the shaft shoulder of described main shaft (1), the outside of described rear bearing cover (7) is placed with described post gap sealing ring (8) and post gap sealing ring (8) is fixedlyed connected with described belt pulley (10), and described front bearing retainer (3) and rear bearing cover (7) are all fixedlyed connected with described seal closure (9);
It is characterized in that: described main shaft (1) is provided with outer helical teeth (101) and is somebody's turn to do the between cog formation axle branch oil groove of outer helical teeth (101), described anterior diastema sealing ring (2) is provided with bulge loop (201) and groove (202), described front bearing retainer (3) is provided with the inboard cavity of bulge loop (301) and groove (302) and front bearing retainer (3) and constitutes oil storage tank (303), described rear bearing cover (7) is provided with the inboard cavity of bulge loop (701) and groove (702) and rear bearing cover (7) and constitutes oil storage tank (703), described post gap sealing ring (8) is provided with bulge loop (801) and groove (802), and the between cog formation belt wheel that described belt pulley (10) is provided with interior helical teeth (1001) and this interior helical teeth (1001) divides oil groove; Axle branch oil groove on the described main shaft (1) and the oil storage tank (303) on the described front bearing retainer (3), belt wheel on the described belt pulley (10) divides oil groove to be communicated with mutually with oil storage tank (703) on the described rear bearing cover (7), the bulge loop (301) on groove (302) on the bulge loop (201) on the described anterior diastema sealing ring (2) and the described front bearing retainer (3) and the groove (202) on the described anterior diastema sealing ring (2) and the described front bearing retainer (3), bulge loop (801) on groove (802) on bulge loop (701) on the described rear bearing cover (7) and the described post gap sealing ring (8) and the groove (702) on the described rear bearing cover (7) and the described post gap sealing ring (8) embeds and gapped placement mutually.
2. steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction according to claim 1, it is characterized in that: described main shaft (1) is gone up the outer helical teeth (101) that is provided with, belt pulley (10) is gone up the laciniation that the interior helical teeth (1001) that is provided with is annular, described anterior diastema sealing ring (2) is gone up the bulge loop (201) that is provided with, front bearing retainer (3) is gone up the bulge loop (301) that is provided with, rear bearing cover (7) is gone up the bulge loop (701) that is provided with, post gap sealing ring (8) is gone up the bulge loop (801) that is provided with and is the rectangular circular ring in cross section, and described anterior diastema sealing ring (2) is gone up the groove (202) that is provided with, front bearing retainer (3) is gone up the groove (302) that is provided with, rear bearing cover (7) is gone up the groove (702) that is provided with, post gap sealing ring (8) is gone up the groove (802) that is provided with and is the rectangular ring groove shape of section.
3. steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction according to claim 1, it is characterized in that: the shaft shoulder portion cylindrical of described main shaft (1) is provided with the outer helical teeth (101) that tilts to the axle outer end and between cog that should outer helical teeth (101) constitutes a section branch oil groove triangular in shape, and described outer helical teeth (101) is minimum to be 2; Described belt pulley (10) near the cylindrical of described main shaft (1) one end be provided with to the inner interior helical teeth (1001) that tilts of axle and should in the between cog of helical teeth (1001) constitute section belt wheel triangular in shape and divide oil groove, described interior helical teeth (1001) is minimum to be 2.
4. steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction according to claim 1, it is characterized in that: the inboard of described anterior diastema sealing ring (2) is provided with 3 bulge loops (201) and 2 grooves (202), the arranged outside of described front bearing retainer (3) has 2 bulge loops (301) and 2 grooves (302), the arranged outside of described rear bearing cover (7) has 1 bulge loop (701) and 1 groove (702), and the inboard of described post gap sealing ring (8) is provided with 2 bulge loops (801) and 1 groove (802).
5. according to claim 1 or 4 described main shaft bearing sealing structure of steel gas cylinder heat spinning sealing machines; It is characterized in that: the bulge loop (301) on the groove (302) on the bulge loop (201) on the described anterior diastema sealing ring (2) and the described front bearing retainer (3) and the groove (202) on the described anterior diastema sealing ring (2) and the described front bearing retainer (3) is with the common hermetically-sealed construction that consists of described fore bearing (13) of the mode of mutual embedding and gapped placement, and the bulge loop (801) on the groove (802) on the bulge loop (701) on the described rear bearing cover (7) and the described post gap sealing ring (8) and the groove (702) on the described rear bearing cover (7) and the described post gap sealing ring (8) is with the common hermetically-sealed construction that consists of described rear bearing (12) of the mode of mutual embedding and gapped placement.
6. steel gas cylinder hot spinning closing in mainshaft bearing hermetically-sealed construction according to claim 1, it is characterized in that: all fixedly connected with 3 described oil return pipes (11) with the oil storage tank (703) that 3 described oil return pipes (14), the inboard cavity of described rear bearing cover (7) constitute in oil storage tank (303) bottom that the inboard cavity of described front bearing retainer (3) constitutes, the other end of the other end of described oil return pipe (14) and oil return pipe (11) is all fixedlyed connected with described main spindle box (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110191864 CN102240750B (en) | 2011-07-08 | 2011-07-08 | Structure for sealing spindle bearing of steel gas cylinder hot spinning necking-in machine |
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| CN 201110191864 CN102240750B (en) | 2011-07-08 | 2011-07-08 | Structure for sealing spindle bearing of steel gas cylinder hot spinning necking-in machine |
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| CN102240750A true CN102240750A (en) | 2011-11-16 |
| CN102240750B CN102240750B (en) | 2012-10-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287209A (en) * | 2012-02-24 | 2013-09-11 | 通用电气公司 | Sealing body, sealing equipment and sealing method |
| CN110985677A (en) * | 2019-11-08 | 2020-04-10 | 山东永安特种装备有限公司 | Main shaft sealing element of steel seamless gas cylinder spinning wheel necking machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110985677A (en) * | 2019-11-08 | 2020-04-10 | 山东永安特种装备有限公司 | Main shaft sealing element of steel seamless gas cylinder spinning wheel necking machine |
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|---|---|
| CN102240750B (en) | 2012-10-03 |
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