CN206366656U - Moving sealed main spindle box - Google Patents
Moving sealed main spindle box Download PDFInfo
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- CN206366656U CN206366656U CN201621359054.8U CN201621359054U CN206366656U CN 206366656 U CN206366656 U CN 206366656U CN 201621359054 U CN201621359054 U CN 201621359054U CN 206366656 U CN206366656 U CN 206366656U
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- main shaft
- annular groove
- casing
- backwater
- sleeve
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Abstract
The utility model is related to lathe main spindle box, specifically a kind of moving sealed main spindle box, including casing, through the main shaft of casing, connected, sealed between main shaft and casing and bearing assembly by sealing ring by bearing assembly between main shaft and casing, positioned at the chain sprocket or belt pulley of front-end of spindle, positioned at the work piece holder installation portion of rear-end of spindle, positioned at the box body mounting base of bottom half；Wherein：Bearing assembly on shaft part after main shaft is provided at both ends with movable sealing structure, and the right-hand member of the bearing assembly on shaft part before main shaft is provided with movable sealing structure.The utility model is this have the advantage that due to the structure：Service life is extended, production efficiency, fast braking is improved, improves static rigidity, improves Product Precision and reduce use cost.
Description
Technical field
The utility model is related to lathe main spindle box, especially one kind and increases the service life, improves production efficiency, quick system
Moving sealed main spindle box that is dynamic, improving static rigidity, raising Product Precision and reduction use cost.
Background technology
With the continuous progressive and development of industry, required precision and automaticity requirement of the manufacturing industry for Digit Control Machine Tool
More and more higher, people need constantly to improve its structure from different mechanisms, so as to meet the requirement of high accuracy and automation.
Current main spindle box generally comprises casing, the main shaft through casing, is connected between main shaft and casing by bearing assembly,
Sealed between main shaft and casing and bearing assembly by sealing ring, positioned at the belt pulley or chain sprocket of front-end of spindle, positioned at master
The work piece holder installation portion of shaft rear end, the mounting hole on box body mounting base.The main spindle box of the class formation in use,
Rotation forms high speed water and water smoke to the tool driving cooling water of rotation at a high speed at a high speed, and cooling water and water smoke are easy to after main shaft
The bearing assembly that end enters on rear shaft part, the bearing assembly that water smoke enters on preceding shaft part by the cavity of main spindle box, once bearing
Component water inlet is just easy to damage bearing assembly so that bearing assembly can not work, it is necessary to change bearing assembly, bearing assembly
Service life is short so that enterprise's use cost is high, reduces production efficiency.
The lathe of said structure cabinet layouts, when in use, main shaft, can be according to the quick systems of instruction because processing technology needs
Dynamic, existing structure is realized by the rigidity of spindle motor.With the extension of use time, the rigidity of spindle motor it is difficult to ensure that plus
Work accuracy requirement, often results in that Product Precision is low, can not ensure the braking requirement required for instruction, static rigidity is poor.Once it is main
There is static rigidity reduction in spindle motor, whole saddle unit replacement will virtually be improved into the use cost of enterprise.
The content of the invention
The purpose of this utility model is to provide one kind and increases the service life, improve production efficiency, fast braking, improve static
Rigidity, the moving sealed main spindle box for improving Product Precision and reduction use cost.
The technical scheme used to achieve the above object is such, i.e., a kind of moving sealed main spindle box, including casing,
Through the main shaft of casing, connected, passed through between main shaft and casing and bearing assembly by bearing assembly between main shaft and casing
Sealing ring is sealed, positioned at the chain sprocket or belt pulley of front-end of spindle, positioned at the work piece holder installation portion of rear-end of spindle, positioned at casing
The box body mounting base of bottom；Wherein：
The seal disc on the rear shaft part of main shaft is sleeved on, the seal disc includes the sleeve I matched with main shaft again, with sleeve I
Has irregular bite I on the terminal pad I of right-hand member one, the disk body of the terminal pad I, the bite I and bite II are mutual
Occlusion, the bite II is mutually matched with bite I, and the bite II, which is located at, to be tightly connected on disk, and this is tightly connected disk set
On the outer wall of sleeve I；
The left end of the sleeve I is tight against on the right side of the bearing assembly after main shaft on shaft part, the terminal pad I
Right side tight against on position-arresting disk, the position-arresting disk is located at the rear end of main shaft and is fixed as one with main shaft, in the outer of position-arresting disk
Closure is set with edge, the inwall of the closure is fixed as one with being tightly connected the outer of disk；
The left end of the sleeve II for being tightly connected disk is tight against in the right side of the bearing assembly after main shaft on shaft part
On, the terminal pad II for being tightly connected disk is fixed by screws on the side wall of casing；
At least one backwater annular groove I is provided with position-arresting disk outer between the closure and position-arresting disk；
At least one backwater annular groove II is provided with the outer of the terminal pad I and/or on the outer wall of sleeve I；Terminal pad I
On backwater annular groove II be located at backwater annular groove II on the junction on edge in outer and the right-hand member of terminal pad II of terminal pad I, sleeve I
Positioned at the junction of the outer wall of sleeve I and the inwall of sleeve II；
At least one apopore is provided with the closure, the apopore is located at the lower section of main shaft, and closure is with sealing
The gap formed between terminal pad right side is connected with the apopore；
Between the inwall of the closure and the outer for being tightly connected disk, between the outer wall of the sleeve II and casing, institute
State and be provided with rubber seal between the inwall of sleeve I and the outer wall of main shaft.
The utility model is this have the advantage that due to said structure：Extend service life, improve production efficiency, it is fast
Speed brakes, improves static rigidity, improves Product Precision and reduce use cost.
Brief description of the drawings
The nonlimiting examples that the utility model can be provided by accompanying drawing are further illustrated.
Fig. 1 is cross section structure diagram of the present utility model.
Fig. 2 be after broken section mplifying structure schematic diagram at sealing.
Fig. 3 is the broken section mplifying structure schematic diagram at preceding sealing.
Fig. 4 is external structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
During following, front and rear is to be inputted with the power of main shaft 2 as reference, and left and right is using the position of accompanying drawing 1 as reference.
Referring to accompanying drawing 1 to 4, the moving sealed main spindle box in figure, including casing 1, through the main shaft 2 of casing 1, main shaft 2 with
Connected, sealed between main shaft 2 and casing 1 and bearing assembly 3 by sealing ring, positioned at master by bearing assembly 3 between casing 1
The chain sprocket or belt pulley 4 of the front end of axle 2, the work piece holder installation portion 5 positioned at the rear end of main shaft 2, the casing positioned at the bottom of casing 1 are pacified
Fill seat 6；Wherein：
The seal disc 7 on the rear shaft part of main shaft 2 is sleeved on, the seal disc 7 includes the sleeve I 8 matched with main shaft 2 again, with
The terminal pad I 9 of the right-hand member of sleeve I 8 one, has irregular bite I 10 on the disk body of the terminal pad I 9, the bite I 10 with
Bite II 11 is mutually twisted, and the bite II 11 is mutually matched with bite I 10, and the bite II 11, which is located at, to be tightly connected
On disk 12, this is tightly connected disk 12 and is sleeved on the outer wall of sleeve I 8；
The left end of the sleeve I 8 is tight against on the right side of the bearing assembly 3 after main shaft 2 on shaft part, the connection
The right side of disk I 9 is tight against on position-arresting disk 13, and the position-arresting disk 13 is located at the rear end of main shaft 2 and is fixed as one with main shaft 2,
Closure 14 is set with the outer of position-arresting disk 13, the inwall of the closure 14 is fixed as one with being tightly connected the outer of disk 12
Body；
The left end of the sleeve II 15 for being tightly connected disk 12 is tight against in the bearing assembly 3 after main shaft 2 on shaft part
On right side, the terminal pad II 16 for being tightly connected disk 12 is fixed by screws on the side wall of casing 1；
At least one backwater annular groove I 17 is provided with the outer of position-arresting disk 13 between the closure 14 and position-arresting disk 13；
At least one backwater annular groove II 18 is provided with the outer of the terminal pad I 9 and/or on the outer wall of sleeve I 8；Even
Connect on the junction that the backwater annular groove II 18 on disk I 9 is located at the outer of terminal pad I 9 and edge in the right-hand member of terminal pad II 16, sleeve I 8
Backwater annular groove II 18 be located at the junction of the outer wall of sleeve I 8 and the inwall of sleeve II 15【Backwater annular groove I 17, backwater annular groove II 18 with
And the assembly of the associated components composition at following positions of backwater annular groove III 22 be referred to as after at sealing】；
At least one apopore 19 is provided with the closure 14, the apopore 19 is located at the lower section of main shaft 2, closure
14 connect with being tightly connected the gap formed between the right side of disk 12 with the apopore 19；
The inwall of the closure 14 and be tightly connected between the outer of disk 12, the outer wall of the sleeve II 15 and casing 1
Between, between the outer wall of the inwall of the sleeve I 8 and main shaft 2 be provided with rubber seal 20.In this embodiment, respectively
The number and installation site of sealing ring and the progress primary watertightness of rubber seal 20, sealing ring and rubber seal 20 are according to reality
Need to be installed.One-level is formed for the bearing assembly 3 after main shaft 2 on shaft part, at backwater annular groove I 17 to move
Seal, backwater annular groove II 18 forms two grades of dynamic sealings and three-level dynamic sealing respectively at two, cooling water and water smoke are difficult to enter described
Bearing assembly, even if having part water or water smoke to enter backwater annular groove II 18 at backwater annular groove I 17 or two, the main shaft 2 of rotation also can
It is discharged by apopore 19.Extend bearing assembly service life, also just extend the service life of main spindle box, no longer will
Time is wasted in the maintenance to main spindle box, is also just improved production efficiency, is reduced use cost.
To ensure the stability of transmission and further improving in sealing, above-described embodiment, preferably：After main shaft 2
The left side of bearing assembly 3 on shaft part is tight against on the right side of sealing ring I 21, and the sealing ring I 21 is fixed as one with main shaft 2
Body.At least one backwater annular groove III 22 is provided with the outer of the sealing ring I 21, the backwater annular groove III 22 is located at sealing ring I
Between 21 outer and casing 1.The backwater annular groove III 22 is identical with backwater annular groove I 17 and the structure of backwater annular groove II 18.It is described
Backwater annular groove III 22, backwater annular groove I 17, the cross sectional shape of backwater annular groove II 18 are right-angled trapezium.In this embodiment, backwater
Annular groove III 22, which ensure that from the other places of casing 1, enters the water smoke of the inner chamber of casing 1 not from the bearing group after main shaft 2 on shaft part
The left side of part 3 enters the bearing assembly 3.
To ensure the stability of transmission and entering further to improve sealing, in above-described embodiment, preferably：Positioned at main shaft
The right side of bearing assembly 3 before 2 on shaft part is tight against on the left side of sealing ring II 23, and the sealing ring II 23 is consolidated with main shaft 2
It is set to one, the left side for being located at the bearing assembly 3 before main shaft 2 on shaft part is tight against the end face in bearing spacing ring, the axle
Spacing ring is held to be fixed on main shaft 2.At least one backwater annular groove IV 24, the backwater are provided with the outer of the sealing ring II 23
Annular groove IV 24 is located between the outer of sealing ring II 23 and casing 1【The assembly of associated components is referred to as at the position of backwater annular groove IV 24
At preceding sealing】.The backwater annular groove IV 24 is identical with backwater annular groove I 17 and the structure of backwater annular groove II 18.The backwater annular groove
IV 24, backwater annular groove I 17, the cross sectional shape of backwater annular groove II 18 are right-angled trapezium.In this embodiment, backwater annular groove IV 24
It ensure that from the other places of casing 1 and enter the water smoke of the inner chamber of casing 1 not from the right side of the bearing assembly 3 before main shaft 2 on shaft part
End face enters the bearing assembly 3.
To realize fast braking, improving static rigidity, improve Product Precision and reduce further use cost, above-mentioned reality
Apply in example, preferably：The front end of the main shaft 2 is provided with the brake disc 25 with the one of main shaft 2, and the disk body of the brake disc 25 is located at
In the holding tank 27 of hydraulic gripper 26, the shell 28 of the hydraulic gripper 26 is fixed on the outer wall of casing 1, the hydraulic clip
Be provided with brake block in the relative position of the two side of the holding tank 27 of holder 26, the brake block by hydraulic system hydraulic oil pipe
Hydraulic oil driving in road is flexible, and the oil pipe being provided with the side wall of shell 28 in the hydraulic oil pipeline with hydraulic system is connected
Oilhole 29；The shell 29 of the hydraulic gripper 26 is fixed by screws in the top of connecting plate 30, under the connecting plate 30
Portion is fixed by screws on the outer wall of casing 1.In this embodiment, in use, by oil pipe by outside hydraulic gripper 26
Oilhole 29 on the side wall of shell 28 is connected with the oil pipe in the hydraulic oil pipeline of hydraulic system, hydraulic system according to instruction control into
Oil or oil return.Hydraulic system oil-feed, brake block stretches out two braking surface brakings with locked wheels of the side wall to brake disc 25 of holding tank 27；Liquid
Press system oil return, the side wall of brake block retraction holding tank 27 so that main shaft 2 can be rotated freely.Brake block stretches out holding tank 27
Side wall to two braking surface brakings with locked wheels of brake disc 25 at that moment, all parts on whole main spindle box can be effectively improved
Static rigidity, accurate braking improves Product Precision, extends main spindle box, the servomotor that main spindle box is used and installed in master
The service life of the work piece holder component of the front end of axle 2, reduces use cost.
In above-described embodiment, the hydraulic gripper 26 is market products.
Obviously, above-mentioned all embodiments are a part of embodiments of the present utility model, rather than whole embodiments.It is based on
Embodiment described in the utility model, it is all other that those skilled in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the category of the utility model protection.
In summary, due to said structure, extend service life, improve production efficiency, fast braking, improve it is quiet
State is rigid, improves Product Precision and reduces use cost.
Claims (10)
1. a kind of moving sealed main spindle box, including casing（1）, through casing（1）Main shaft（2）, main shaft（2）With casing（1）It
Between pass through bearing assembly（3）Connection, main shaft（2）And casing（1）With bearing assembly（3）Between sealed by sealing ring, be located at
Main shaft（2）The chain sprocket or belt pulley of front end（4）, positioned at main shaft（2）The work piece holder installation portion of rear end（5）, positioned at casing（1）
The box body mounting base of bottom（6）；It is characterized in that：
It is sleeved on main shaft（2）Rear shaft part on seal disc（7）, the seal disc（7）Include again and main shaft（2）The sleeve I of matching
（8）, with sleeve I（8）The terminal pad I of right-hand member one（9）, the terminal pad I（9）Disk body on have irregular bite I（10）,
The bite I（10）With bite II（11）It is mutually twisted, the bite II（11）With bite I（10）It is mutually matched, it is described
Bite II（11）Positioned at being tightly connected disk（12）On, this is tightly connected disk（12）It is sleeved on sleeve I（8）Outer wall on；
The sleeve I（8）Left end tight against positioned at main shaft（2）Bearing assembly on shaft part afterwards（3）Right side on, the company
Connect disk I（9）Right side tight against in position-arresting disk（13）On, the position-arresting disk（13）Positioned at main shaft（2）Rear end and and main shaft（2）Gu
It is set to one, in position-arresting disk（13）Outer on be set with closure（14）, the closure（14）Inwall and be tightly connected disk
（12）Outer be fixed as one；
It is described to be tightly connected disk（12）Sleeve II（15）Left end tight against positioned at main shaft（2）Bearing assembly on shaft part afterwards
（3）Right side on, be tightly connected disk（12）Terminal pad II（16）It is fixed by screws in casing（1）Side wall on；
The closure（14）With position-arresting disk（13）Between position-arresting disk（13）At least one backwater annular groove I is provided with outer
（17）；
The terminal pad I（9）Outer on and/or sleeve I（8）Outer wall on be provided with least one backwater annular groove II（18）；
Terminal pad I（9）On backwater annular groove II（18）Positioned at terminal pad I（9）Outer and terminal pad II（16）The connection on edge in right-hand member
Place, sleeve I（8）On backwater annular groove II（18）Positioned at sleeve I（8）Outer wall and sleeve II（15）The junction of inwall；
The closure（14）On be provided with least one apopore（19）, the apopore（19）Positioned at main shaft（2）Lower section, it is close
Capping（14）With being tightly connected disk（12）The gap formed between right side and the apopore（19）Connection；
The closure（14）Inwall and be tightly connected disk（12）Outer between, the sleeve II（15）Outer wall and casing
（1）Between, the sleeve I（8）Inwall and main shaft（2）Outer wall between be provided with rubber seal（20）.
2. moving sealed main spindle box according to claim 1, it is characterised in that：Positioned at main shaft（2）Bearing on shaft part afterwards
Component（3）Left side tight against in sealing ring I（21）Right side on, the sealing ring I（21）With main shaft（2）It is fixed as one.
3. moving sealed main spindle box according to claim 2, it is characterised in that：The sealing ring I（21）Outer on set
It is equipped with least one backwater annular groove III（22）, the backwater annular groove III（22）Positioned at sealing ring I（21）Outer and casing（1）It
Between.
4. moving sealed main spindle box according to claim 3, it is characterised in that：The backwater annular groove III（22）With backwater ring
Groove I（17）With backwater annular groove II（18）Structure is identical.
5. moving sealed main spindle box according to claim 4, it is characterised in that：The backwater annular groove III（22）, backwater ring
Groove I（17）, backwater annular groove II（18）Cross sectional shape be right-angled trapezium.
6. moving sealed main spindle box according to claim 1, it is characterised in that：Positioned at main shaft（2）Bearing on preceding shaft part
Component（3）Right side tight against in sealing ring II（23）Left side on, the sealing ring II（23）With main shaft（2）It is fixed as one
Body, it is described to be located at main shaft（2）Bearing assembly on preceding shaft part（3）Left side tight against the end face in bearing spacing ring, the bearing
Spacing ring is fixed on main shaft（2）On.
7. moving sealed main spindle box according to claim 6, it is characterised in that：The sealing ring II（23）Outer on set
It is equipped with least one backwater annular groove IV（24）, the backwater annular groove IV（24）Positioned at sealing ring II（23）Outer and casing（1）It
Between.
8. moving sealed main spindle box according to claim 7, it is characterised in that：The backwater annular groove IV（24）With backwater ring
Groove I（17）With backwater annular groove II（18）Structure is identical.
9. moving sealed main spindle box according to claim 8, it is characterised in that：The backwater annular groove IV（24）, backwater ring
Groove I（17）, backwater annular groove II（18）Cross sectional shape be right-angled trapezium.
10. any moving sealed main spindle box according to claim 1 to 9, it is characterised in that：The main shaft（2）Before
End is provided with and main shaft（2）The brake disc of one（25）, the brake disc（25）Disk body be located at hydraulic gripper（26）Clamping
Groove（27）In, the hydraulic gripper（26）Shell（28）It is fixed on casing（1）Outer wall on, the hydraulic gripper（26）'s
Holding tank（27）Two side relative position on be provided with brake block, the brake block is in the hydraulic oil pipeline of hydraulic system
Hydraulic oil driving is flexible, in shell（28）Side wall on the oil that is connected of the oil pipe that is provided with the hydraulic oil pipeline with hydraulic system
Hole（29）；The hydraulic gripper（26）Shell（28）It is fixed by screws in connecting plate（30）Top, the connecting plate
（30）Bottom be fixed by screws in casing（1）Outer wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359054.8U CN206366656U (en) | 2016-12-12 | 2016-12-12 | Moving sealed main spindle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359054.8U CN206366656U (en) | 2016-12-12 | 2016-12-12 | Moving sealed main spindle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206366656U true CN206366656U (en) | 2017-08-01 |
Family
ID=59392260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621359054.8U Active CN206366656U (en) | 2016-12-12 | 2016-12-12 | Moving sealed main spindle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206366656U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424768A (en) * | 2016-12-12 | 2017-02-22 | 重庆宏钢数控机床有限公司 | Motive seal type spindle box |
| CN107584141A (en) * | 2017-10-30 | 2018-01-16 | 广西玉柴机器股份有限公司 | A kind of frock of the anti-infiltration of cold working equipment main spindle box |
-
2016
- 2016-12-12 CN CN201621359054.8U patent/CN206366656U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424768A (en) * | 2016-12-12 | 2017-02-22 | 重庆宏钢数控机床有限公司 | Motive seal type spindle box |
| CN107584141A (en) * | 2017-10-30 | 2018-01-16 | 广西玉柴机器股份有限公司 | A kind of frock of the anti-infiltration of cold working equipment main spindle box |
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