CN204035579U - A kind of General Main axle box of building-block machine - Google Patents

A kind of General Main axle box of building-block machine Download PDF

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Publication number
CN204035579U
CN204035579U CN201420376702.5U CN201420376702U CN204035579U CN 204035579 U CN204035579 U CN 204035579U CN 201420376702 U CN201420376702 U CN 201420376702U CN 204035579 U CN204035579 U CN 204035579U
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CN
China
Prior art keywords
casing
combination bearing
inner ring
building
needle roller
Prior art date
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Active
Application number
CN201420376702.5U
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Chinese (zh)
Inventor
邓晓昧
季俊
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Kunming Yunnei Power Co Ltd
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Kunming Yunnei Power Co Ltd
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Priority to CN201420376702.5U priority Critical patent/CN204035579U/en
Application granted granted Critical
Publication of CN204035579U publication Critical patent/CN204035579U/en
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Abstract

The utility model discloses a kind of General Main axle box of building-block machine, aim to provide the General Main axle box of a kind of dismounting building-block machine easy to maintenance.It comprises casing, is arranged at the main shaft on casing, output shaft and many power transmission shafts; The power intake of described main shaft adopts without inner ring needle roller and thrust ball combination bearing rotational support on casing, relative other end employing without inner ring needle roller and thrust roller combination bearing rotational support on casing.Main shaft of the present utility model adopt without inner ring needle roller and thrust ball combination bearing and without inner ring needle roller and thrust roller combination bearing rotational support on casing, a combination bearing can realize the effectiveness of two bearings, can meet main shaft in cutting process, bear requirement that is radial and unidirectional axial force.During assembling combination bearing, the use of parts also can reduce than existing mounting means accordingly, and not only assembling fast, and assembly precision is high, simplifies dismounting, keeps in repair and assembles all very convenient.

Description

A kind of General Main axle box of building-block machine
Technical field
The utility model relates to building-block machine technical field, especially relates to a kind of General Main axle box of building-block machine.
Background technology
The design manual of Dalian building-block machine research institute establishment is continued to use in modular machine tool spindle box design mostly, and defined the standard that the whole nation is general, various main shaft and power transmission shaft are selected by purposes, the diameter of axle, supporting type and the difference with or without overhanging gear.During main spindle box is arranged, to the size-constrained system of radial direction, general employing needle bearing main shaft and needle bearing power transmission shaft, front and back supporting is a single direction thrust ball bearing and one without inner ring needle bearing (split type), and building-block machine processing line generally uses.Along with the requirement of producing in enormous quantities, rhythm of production is constantly accelerated, and the main spindle box of this kind of version shows the shortcoming of installation, maintenance difficulty.
Summary of the invention
The utility model overcomes shortcoming of the prior art, provides the General Main axle box of a kind of dismounting building-block machine easy to maintenance.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of General Main axle box of building-block machine, comprises casing, is arranged at the main shaft on casing, output shaft and many power transmission shafts; The power intake of described main shaft adopts without inner ring needle roller and thrust ball combination bearing rotational support on casing, relative other end employing without inner ring needle roller and thrust roller combination bearing rotational support on casing.
Preferably, the two ends of described power transmission shaft and the two ends of output shaft all adopt without inner ring needle roller and thrust ball combination bearing rotational support on casing.
Preferably, being located by spacer without inner ring needle roller and thrust ball combination bearing on described output shaft, be positioned on described output shaft output and be set with a single direction thrust ball bearing, this single direction thrust ball bearing is between the spacer and bearing holder (housing, cover) of this side of output shaft.
Preferably, described main shaft is arranged the divided ring of a restrictive axes upper-part axial location.
Preferably, described main shaft is arranged an adjustment pad
Compared with prior art, the utility model tool has the following advantages:
(1) main shaft of the present utility model adopt without inner ring needle roller and thrust ball combination bearing and without inner ring needle roller and thrust roller combination bearing rotational support on casing, a combination bearing can realize the effectiveness of two bearings, can meet main shaft in cutting process, bear requirement that is radial and unidirectional axial force.During assembling combination bearing, the use of parts also can reduce than existing mounting means accordingly, and not only assembling fast, and assembly precision is high, simplifies dismounting, keeps in repair and assembles all very convenient.
(2) the utility model all adopts at the two ends of the two ends of power transmission shaft and output shaft without inner ring needle roller and thrust ball combination bearing rotational support on casing, can meet the requirement that power transmission shaft and output shaft bear radial load.And combination bearing stress equalization, long service life, has the advantage that dismounting is quick, installation accuracy is high.
(3) the utility model is set with a single direction thrust ball bearing on output shaft, and the spacer of this side of output shaft and bearing holder (housing, cover) separate by this single direction thrust ball bearing.Reduce because output shaft disturbance drives spacer to the wearing and tearing of bearing holder (housing, cover), the service life of extending shaft bearing sleeve.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of the utility model main shaft portion;
Fig. 2 is the structure chart of the utility model shaft portion, wherein illustrate only a power transmission shaft;
Fig. 3 is the structure chart of the utility model output shaft part.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1-3 is depicted as a specific embodiment of the present utility model, comprises casing 2, is arranged at the main shaft 1 on casing 2, output shaft 7 and many power transmission shafts 8; The power intake of described main shaft 1 adopts without inner ring needle roller and thrust ball combination bearing 9 rotational support on casing 2, the relative other end adopts without inner ring needle roller and thrust roller combination bearing 3 rotational support on casing 2, a set of combination bearing can realize the effectiveness of two bearings, can meet main shaft in cutting process, bear requirement that is radial and unidirectional axial force.The two ends of described power transmission shaft 8 and the two ends of output shaft 7 all adopt without inner ring needle roller and thrust ball combination bearing 9 rotational support on casing 2, can meet the requirement that power transmission shaft and output shaft bear radial load.Being located by spacer 5 without inner ring needle roller and thrust ball combination bearing 9 on described output shaft 7, to be positioned on described output shaft 7 output, to be set with a single direction thrust ball bearing 4 without the outside of inner ring needle roller and thrust ball combination bearing 9, this single direction thrust ball bearing 4 contacts with the spacer 5 of this side of output shaft 7.The spacer 5 of this side of output shaft 1 separates with bearing holder (housing, cover) 11 by this single direction thrust ball bearing 4, reduces because output shaft disturbance drives spacer to the wearing and tearing of bearing holder (housing, cover) 11, the service life of extending shaft bearing sleeve.
As shown in Figure 1, described main shaft 1 is arranged the divided ring 6 of a restrictive axes upper-part axial location, described main shaft 1 is arranged an adjustment pad 10.Divided ring is that two halves combine, and adjustment pad adjustable axle is to gap.First install combination bearing, the bearing holder (housing, cover) on casing during installation, then insert main shaft, put spacer, gear, divided ring, adjustment pad etc. simultaneously.Consider that main shaft will bear larger axial force, bearing holder (housing, cover) is arranged on protecgulum, axial force directly acts on box body wall; In addition, should according to the distribution situation of other main shaft, power transmission shaft around main shaft, reasonable Arrangement housing screw, ensures that its profile is not interfered with other axle.During dismounting, should first unclamp bearing holder (housing, cover) housing screw, extract main shaft out 3mm, can take out divided ring, gear, spacer etc. also can take out in turn.
The utility model adopts combination bearing and arranges the auxiliary positioning part of fair amount, and during assembling combination bearing, the use of parts also can reduce than existing mounting means accordingly, not only assembling fast, and assembly precision is high, simplify dismounting, keep in repair and assemble all very convenient.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. a General Main axle box for building-block machine, comprises casing (2), is arranged at the main shaft (1) on casing (2), output shaft (7) and many power transmission shafts (8); It is characterized in that: the power intake of described main shaft (1) adopts without inner ring needle roller and thrust ball combination bearing (9) rotational support on casing (2), relative other end employing without inner ring needle roller and thrust roller combination bearing (3) rotational support on casing (2).
2. the General Main axle box of building-block machine according to claim 1, is characterized in that: the two ends of described power transmission shaft (8) and the two ends of output shaft (7) all adopt without inner ring needle roller and thrust ball combination bearing (9) rotational support on casing (2).
3. the General Main axle box of building-block machine according to claim 2, it is characterized in that: being located by spacer (5) without inner ring needle roller and thrust ball combination bearing (9) on described output shaft (7), be positioned on described output shaft (7) output and be set with a single direction thrust ball bearing (4), between the spacer (5) that this single direction thrust ball bearing (4) is positioned at output shaft (7) this side and bearing holder (housing, cover) (11).
4. the General Main axle box of building-block machine according to any one of claim 1-3, is characterized in that: the divided ring (6) described main shaft (1) being arranged a restrictive axes upper-part axial location.
5. the General Main axle box of building-block machine according to any one of claim 1-3, is characterized in that: described main shaft (1) is arranged an adjustment pad (10).
CN201420376702.5U 2014-07-09 2014-07-09 A kind of General Main axle box of building-block machine Active CN204035579U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420376702.5U CN204035579U (en) 2014-07-09 2014-07-09 A kind of General Main axle box of building-block machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420376702.5U CN204035579U (en) 2014-07-09 2014-07-09 A kind of General Main axle box of building-block machine

Publications (1)

Publication Number Publication Date
CN204035579U true CN204035579U (en) 2014-12-24

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ID=52236289

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420376702.5U Active CN204035579U (en) 2014-07-09 2014-07-09 A kind of General Main axle box of building-block machine

Country Status (1)

Country Link
CN (1) CN204035579U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105257814A (en) * 2015-11-18 2016-01-20 常熟长城轴承有限公司 Bevel gear combination bearing for speed reducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105257814A (en) * 2015-11-18 2016-01-20 常熟长城轴承有限公司 Bevel gear combination bearing for speed reducer

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