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CN221824319U - Novel initiative bearing box - Google Patents

Novel initiative bearing box Download PDF

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Publication number
CN221824319U
CN221824319U CN202422116857.1U CN202422116857U CN221824319U CN 221824319 U CN221824319 U CN 221824319U CN 202422116857 U CN202422116857 U CN 202422116857U CN 221824319 U CN221824319 U CN 221824319U
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CN
China
Prior art keywords
ring
bearing box
box body
angular contact
gland
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Active
Application number
CN202422116857.1U
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Chinese (zh)
Inventor
刘建军
时丕远
李宗顺
李学恩
屈恒
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Shandong Zhongke Wafer Intelligent Technology Co ltd
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Shandong Zhongke Wafer Intelligent Technology Co ltd
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Priority to CN202422116857.1U priority Critical patent/CN221824319U/en
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Publication of CN221824319U publication Critical patent/CN221824319U/en
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Abstract

The utility model discloses a novel driving bearing box, which comprises a driving bearing box body, an angular contact bearing, a retainer ring, a driving shaft, a rear gland and a front gland, wherein the front end of the driving bearing box body is integrally provided with a flange plate; the driving bearing box body is embedded into the inner side of the hole seat of the frame, and the flange plate is fixed with the outer end part of the hole seat through bolts; the angular contact bearings are provided with 6 groups, and are arranged on the inner side of the driving bearing box body; the retaining ring is arranged on the inner side of the driving bearing box body, 4 groups of angular contact bearings are arranged on the front side of the retaining ring, and 2 groups of angular contact bearings are arranged on the rear side of the retaining ring; the check ring comprises an outer check ring and an inner check ring movably arranged in the outer check ring; the novel driving bearing box has strong roller driving stability; the problem of the roller under high-speed operation's non-concentricity and swing can be solved, in addition, adopt machinery and pneumatic dustproof, bearing box life-span can be improved greatly.

Description

Novel initiative bearing box
Technical Field
The utility model particularly relates to a novel active bearing box, and belongs to the technical field of multi-line slicing machines.
Background
The principle of the multi-wire cutting is that a cutting wire forms a steel wire net with different intervals through a group of grooved wheels, abrasive materials are brought into a material processing area to be cut for grinding by utilizing high-speed reciprocating motion of the cutting wire, and a workpiece to be cut is fed in a vertical direction through lifting of a workbench, so that the workpiece is cut into a plurality of thin slices with required size and shape simultaneously; in the cutting process, a main shaft motor drives a driving shaft to rotate, and the driving shaft drives a roller on which cutting lines are arranged to rotate, so that high-speed reciprocating motion of the cutting lines is driven; when the driving shaft rotates, the driving shaft is required to be rotationally guided through the bearing box, when the existing bearing box is used, two groups of cylindrical bearings are adopted for guiding, when the driving shaft rotates at a high speed, the eccentric wear phenomenon is easy to occur, in addition, the existing bearing box is influenced by a cutting environment, dust is easy to enter the inside of the existing bearing box, and the existing bearing box rotates at a high speed and is overheated, so that the service life of the bearing box is influenced; and the problem of non-concentricity and swing impact easily occurs at the connecting end of the bearing box and the roller under the high-speed running state.
Disclosure of utility model
In order to solve the problems, the utility model provides a novel driving bearing box, and the roller driving stability is strong; the problem of the roller under high-speed operation's non-concentricity and swing can be solved, in addition, adopt machinery and pneumatic dustproof, bearing box life-span can be improved greatly.
The novel active bearing housing of the present utility model comprises:
The front end of the active bearing box body is integrally provided with a flange plate; the driving bearing box body is embedded into the inner side of the hole seat of the frame, and the flange plate is fixed with the outer end part of the hole seat through bolts; the driving bearing box body is used as an external supporting piece which is installed with the multi-line slicing machine; the driving bearing box body is directly fixed to a corresponding mounting position of the multi-line slicing machine through a flange plate;
the angular contact bearings are provided with 6 groups, and are arranged on the inner side of the driving bearing box body; the angular contact bearing supports and rotationally guides the shaft body;
The retaining ring is arranged on the inner side of the driving bearing box body, 4 groups of angular contact bearings are arranged on the front side of the retaining ring, and 2 groups of angular contact bearings are arranged on the rear side of the retaining ring; the check ring comprises an outer check ring and an inner check ring movably arranged in the outer check ring; the outer check ring and the inner check ring are respectively abutted against the inner ring and the outer ring of the angular contact bearing, so that the angular contact bearings on two sides are limited; the inner ring synchronously rotates along with the inner ring;
The driving shaft comprises a shaft body, a baffle ring is integrally formed at the front end of the shaft body, and a two-stage sloping platform is integrally formed at the front end of the baffle ring; the shaft body movably passes through the angular contact bearing and the inner check ring; the baffle ring is pressed on the end part of the inner ring of the angular contact bearing at the forefront end; the driving shaft is used as a power transmission shaft; the rotating force can be synchronously transmitted to the roller;
The rear gland is fixed with the rear end of the driving bearing box body through bolts; the inner side of the rear gland is integrally provided with a first ring seat; the rear end of the first ring seat is pressed with a rear dust cover, the shaft body movably passes through the rear dust cover, and the rear end of the shaft body is screwed with a lock nut pressed with the rear dust cover; a second O-shaped sealing ring is arranged between the driving bearing box body and the rear gland;
The front gland is fixed with the front end of the driving bearing box body through bolts; the inner side of the front gland is integrally provided with a second ring seat; the rear end of the second ring seat is integrally provided with a limiting ring which is embedded with the inner wall of the driving bearing box body; the end part of the limiting ring is tightly propped against the end part of the outer ring of the angular contact bearing; a first O-shaped sealing ring is arranged between the second ring seat and the baffle ring; the front gland, the second ring seat, the baffle ring and the sloping platform at the rear end of the shaft body form an open groove, and a front dust cover is arranged at the inner side of the open groove; the front dust cover is fixed with the baffle ring through a plurality of pins; the front end of the front dust cover is embedded with a VA sealing ring; and an angular contact joint bearing is embedded outside the sloping platform at the front end of the shaft body.
The front gland and the front end of the driving bearing box body are embedded and sealed, the outer edges of the front gland and the baffle ring of the driving shaft are sealed at the end parts through a first O-shaped sealing ring, the front dust cover can complete the sealing between the front gland and the shaft body, the rear gland and the driving bearing box body are sealed at the end parts through a second O-shaped sealing ring, the rear dust cover can complete the sealing between the rear gland and the shaft body, and safe mechanical sealing is realized between the end parts of the driving bearing box body and the shaft body, so that the dust-proof effect is good;
The inner side of the driving bearing box body is provided with 6 groups of angular contact bearings for rotationally guiding the shaft body, the front end of the shaft body is installed with the roller and is used as a main stress end, and the 6 groups of angular contact bearings are arranged in a front end 4 group and a rear end 2 group, so that the stable support and rotational guiding of the shaft body can be ensured; the angular contact bearing of front end and the angular contact bearing of rear end are spacing through the retaining ring, specifically do: the inner check ring is abutted with the inner ring of the angular contact bearing, the inner check ring synchronously rotates with the inner ring of the angular contact bearing, and the outer check ring is abutted with the outer ring of the angular contact bearing; therefore, the outer ring of the diagonal contact bearing can be limited; VA sealing washer suppresses between roller and preceding shield to form the interim closed loop in initiative bearing box outside, can prevent cutting fluid, steam and dust contact axis body or get into initiative bearing box inside, have waterproof, dustproof and rust-resistant effect.
Further, the rear end of the shaft body is connected to a spindle motor, and the front end of the shaft body is connected with a roller; the roller is tightly propped against the outer ring of the angular contact joint bearing, the spindle motor drives the shaft body to rotate, when the shaft body rotates, the shaft body drives the roller to rotate through the angular contact bearing, and the angular contact joint bearing is arranged between the roller and the shaft body; solves the problems of non-concentricity, swinging and the like of the roller under high-speed operation.
Further, a plurality of annular grooves which are mutually clamped are formed in the surface, close to each other, of the first annular seat and the rear dust cover; the second ring seat and the front dust cover are provided with a plurality of ring grooves which are mutually clamped on the surface close to each other; when the shaft body rotates, the front dust cover and the rear dust cover synchronously rotate, and the rotary guide is realized through the annular groove, and the shaft body and the end part of the driving bearing box body are mechanically sealed.
Further, a plurality of axial perforations are formed in the active bearing box body at intervals along the circumferential direction, oil pipes are fixed on the inner sides of the axial perforations, adjacent oil pipes are sequentially connected end to form a cooling flow channel, and an oil inlet and an oil outlet of the cooling flow channel movably penetrate out of a rear gland and are connected to an oil cooling circulation system; the oil cooling circulation system pumps cooling oil into the oil pipe through the oil inlet, the cooling oil flows in an S shape in the oil pipe, and finally returns to the oil cooling circulation system through the oil outlet, and the oil cooling circulation system cools the return oil; the cooling oil flows back and forth in the oil pipe, so that the oil cooling of the active bearing box body is realized; the excessive temperature in the active bearing box body is avoided.
Further, the active bearing box body is provided with a plurality of dust removing through holes at intervals along the circumferential direction, an air pipe is fixed at the inner side of each dust removing through hole, a front gland is embedded at one end of the air pipe, a rear gland is embedded at the other end of the air pipe, and the air pipe is connected to a wind power blowing system; during operation, the wind blowing system provides pressure gas, the pressure gas blows out the gas to the outside of the driving bearing box body close to one end of the roller through the wind pipe, dust is blown away from the periphery of the driving bearing box, and pneumatic dust removal is completed.
Compared with the prior art, the novel driving bearing box adopts the two groups of angular contact bearings which are arranged in the front four and the back two, so that the rotation of the driving shaft is more stable, and the rotation power of the driving end of the roller is more stable; the angular contact joint bearing is arranged between the roller end and the driving shaft, and can bear axial and circumferential loads transmitted by the roller end, so that the problem of non-concentricity and swinging of the roller under high-speed operation can be resisted.
Drawings
Fig. 1 is a schematic view of the overall structure of the front side of the active bearing housing of the present utility model.
Fig. 2 is a schematic view of the overall structure of the rear side of the active bearing housing of the present utility model.
Fig. 3 is a schematic axial cross-sectional view of the active bearing housing of the present utility model.
Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3 according to the present utility model.
Fig. 5 is a schematic view of a partial enlarged structure at B in fig. 3 according to the present utility model.
Fig. 6 is a schematic view of the overall structure of the driving shaft of the present utility model.
Fig. 7 is a schematic view of the overall structure of the active bearing housing of the present utility model.
Reference numerals: 1. the active bearing box body comprises 2 parts of a flange plate, 3 parts of an angular contact bearing, 4 parts of an outer retainer ring, 5 parts of an inner retainer ring, 6 parts of a shaft body, 7 parts of a baffle ring, 8 parts of a sloping platform, 9 parts of a rear gland, 10 parts of a first ring seat, 11 parts of a rear dust cover, 12 parts of a locking nut, 13 parts of a second O-shaped sealing ring, 14 parts of a front gland, 15 parts of a second ring seat, 16 parts of a limiting ring, 17 parts of a first O-shaped sealing ring, 18 parts of a front dust cover, 19 parts of a VA sealing ring, 20 parts of an angular contact joint bearing, 21 parts of a ring groove, 22 parts of an oil pipe, 23 parts of an air pipe.
Detailed Description
Examples:
The novel active bearing housing as shown in fig. 1 to 7 comprises:
The driving bearing box body 1, wherein the front end of the driving bearing box body 1 is integrally provided with a flange plate 2; the driving bearing box body 1 is embedded into the inner side of a hole seat of the frame, and the flange plate 2 is fixed with the outer side end part of the hole seat through bolts; the active bearing box body 1 is used as an external support piece which is installed with the multi-line slicing machine; the driving bearing box body 1 is directly fixed to a corresponding installation position of the multi-line slicing machine through the flange plate 2;
The angular contact bearings 3, wherein 6 groups of angular contact bearings 3 are arranged, and the angular contact bearings 3 are arranged on the inner side of the driving bearing box body 1; the angular contact bearing 3 supports and rotationally guides the shaft body;
The retaining ring is arranged on the inner side of the driving bearing box body 1, 4 groups of angular contact bearings 3 are arranged on the front side of the retaining ring, and 2 groups of angular contact bearings 3 are arranged on the rear side of the retaining ring; the check ring comprises an outer check ring 4 and an inner check ring 5 movably arranged in the outer check ring 4; the retainer ring adopts the structures of an outer retainer ring 4 and an inner retainer ring 5, and the outer retainer ring 4 and the inner retainer ring 5 are respectively abutted against the inner ring and the outer ring of the angular contact bearing 3, so that the angular contact bearings 3 at two sides are limited; the inner ring synchronously rotates along with the inner ring;
The driving shaft comprises a shaft body 6, a baffle ring 7 is integrally formed at the front end of the shaft body 6, and a two-stage sloping platform 8 is integrally formed at the front end of the baffle ring 7 of the shaft body 6; the shaft body 6 movably passes through the angular contact bearing 3 and the inner check ring 5; the baffle ring 7 is pressed on the end part of the inner ring of the angular contact bearing 3 at the forefront end; the driving shaft is used as a power transmission shaft; the rotating force can be synchronously transmitted to the roller;
The rear gland 9 is fixed with the rear end of the active bearing box body 1 through bolts; the inner side of the rear gland 9 is integrally provided with a first ring seat 10; the rear end of the first ring seat 10 is pressed with a rear dust cover 11, the shaft body 6 movably penetrates through the rear dust cover 11, and the rear end of the shaft body 6 is screwed with a locking nut 12 pressed with the rear dust cover 11; a second O-shaped sealing ring 13 is arranged between the active bearing box body 1 and the rear gland 9;
A front gland 14, wherein the front gland 14 is fixed with the front end of the active bearing box body 1 through bolts; the inner side of the front gland 14 is integrally provided with a second ring seat 15; the rear end of the second ring seat 15 is integrally provided with a limiting ring 16 which is embedded with the inner wall of the driving bearing box body 1; the end part of the limiting ring 16 is tightly propped against the end part of the outer ring of the angular contact bearing 3; a first O-shaped sealing ring 17 is arranged between the second ring seat 15 and the baffle ring 7; the front gland 14, the second ring seat 15, the baffle ring 7 and the sloping platform 8 at the rear end of the shaft body 6 form an open groove, and a front dust cover 18 is arranged at the inner side of the open groove; the front dust cover 18 is fixed with the baffle ring 7 through a plurality of pins; the front end of the front dust cover 18 is embedded with a VA sealing ring 19; an angular contact knuckle bearing 20 is embedded outside the sloping platform 8 at the front end of the shaft body 6.
The limiting ring 16 of the front gland 14 is embedded with the front end of the driving bearing box body 1 for sealing, the outer edges of the front gland 14 and the baffle ring 7 of the driving shaft are sealed at the end part through the first O-shaped sealing ring 17, the front dust cover 18 can complete the sealing between the front gland 14 and the shaft body 6, the rear gland 9 and the driving bearing box body 1 are sealed at the end part through the second O-shaped sealing ring 13, the rear dust cover 11 can complete the sealing between the rear gland 9 and the shaft body 6, the end part of the driving bearing box body 1 and the shaft body 6 are sealed safely and mechanically, and the dust prevention effect is good;
The inner side of the driving bearing box body 1 is provided with 6 groups of angular contact bearings 3 for rotationally guiding the shaft body 6, the front end of the shaft body 6 is installed with a roller and is used as a main stress end, and the 6 groups of angular contact bearings 3 are arranged by adopting the front end 4 groups and the rear end 2 groups, so that the stable support and the rotational guiding of the shaft body 6 can be ensured; the angular contact bearing 3 at the front end and the angular contact bearing 3 at the rear end are limited by a retainer ring, and specifically: the inner retainer ring 5 is abutted against the inner ring of the angular contact bearing 3, the inner retainer ring 5 synchronously rotates with the inner ring of the angular contact bearing 3, and the outer retainer ring 4 is abutted against the outer ring of the angular contact bearing 3; so that the outer ring of the diagonal contact bearing 3 can be limited; the VA sealing ring 19 is pressed between the roller and the front dust cover 18, so that a temporary sealing ring is formed outside the active bearing box body 1, cutting fluid, water vapor and dust can be prevented from contacting the shaft body 6 or entering the inside of the active bearing box body 1, and the waterproof, dustproof and antirust effects are achieved.
The rear end of the shaft body 6 is connected to a spindle motor, and the front end of the shaft body 6 is connected with a roller; the roller is tightly propped against the outer ring of the angular contact knuckle bearing 20, the spindle motor drives the shaft body 6 to rotate, when the shaft body 6 rotates, the angular contact bearing 3 is used for rotating and guiding, the shaft body 6 drives the roller to rotate, and the angular contact knuckle bearing 20 is arranged between the roller and the shaft body 6; solves the problems of non-concentricity, swinging and the like of the roller under high-speed operation.
A plurality of annular grooves 21 which are mutually clamped are formed in the surface, close to each other, of the first annular seat 10 and the rear dust cover 11; a plurality of annular grooves 21 which are mutually clamped are formed in the surface, close to each other, of the second annular seat 15 and the front dust cover 18; when the shaft body 6 rotates, the front dust cover 18 and the rear dust cover 11 synchronously rotate, and the rotation guide is realized through the annular groove 21, and the shaft body 6 and the end part of the driving bearing box body 1 are mechanically sealed.
The driving bearing box body 1 is provided with a plurality of axial perforations at intervals along the circumferential direction, an oil pipe 22 is fixed at the inner side of each axial perforation, adjacent oil pipes 22 are sequentially connected end to form a cooling flow passage, and an oil inlet and an oil outlet of the cooling flow passage movably penetrate out of the rear gland 9 and are connected to an oil cooling circulation system; the oil cooling circulation system pumps cooling oil into the oil pipe 22 through the oil inlet, the cooling oil flows in an S shape in the oil pipe 22, and finally returns to the oil cooling circulation system again through the oil outlet, and the oil cooling circulation system cools the return oil; the cooling oil flows back and forth in the oil pipe 22 to realize oil cooling of the active bearing box body 1; the internal temperature of the active bearing box 1 is prevented from being too high.
The active bearing box body 1 is provided with a plurality of dust removing through holes at intervals along the circumferential direction, an air pipe 23 is fixed at the inner side of each dust removing through hole, one end of the air pipe 23 is embedded with a front gland 14, the other end is embedded with a rear gland 9, and the air pipe is connected to a wind power blowing system; during operation, the wind blowing system provides pressure gas, the pressure gas blows the gas to the outside of the active bearing box body 1 near one end of the roller through the air pipe 23, dust is blown away from the periphery of the active bearing box, and pneumatic dust removal is completed.
The above embodiments are merely preferred embodiments of the present utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims (6)

1. A novel initiative bearing box, its characterized in that: comprising the following steps:
The front end of the active bearing box body is integrally provided with a flange plate; the driving bearing box body is embedded into the inner side of the hole seat of the frame, and the flange plate is fixed with the outer end part of the hole seat through bolts;
The angular contact bearings are provided with 6 groups, and are arranged on the inner side of the driving bearing box body;
The retaining ring is arranged on the inner side of the driving bearing box body, 4 groups of angular contact bearings are arranged on the front side of the retaining ring, and 2 groups of angular contact bearings are arranged on the rear side of the retaining ring; the check ring comprises an outer check ring and an inner check ring movably arranged in the outer check ring;
the driving shaft comprises a shaft body, a baffle ring is integrally formed at the front end of the shaft body, and a two-stage sloping platform is integrally formed at the front end of the baffle ring; the shaft body movably passes through the angular contact bearing and the inner check ring; the baffle ring is pressed on the end part of the inner ring of the angular contact bearing at the forefront end;
The rear gland is fixed with the rear end of the driving bearing box body through bolts; the inner side of the rear gland is integrally provided with a first ring seat; the rear end of the first ring seat is pressed with a rear dust cover, the shaft body movably passes through the rear dust cover, and the rear end of the shaft body is screwed with a lock nut pressed with the rear dust cover;
The front gland is fixed with the front end of the driving bearing box body through bolts; the inner side of the front gland is integrally provided with a second ring seat; the rear end of the second ring seat is integrally provided with a limiting ring which is embedded with the inner wall of the driving bearing box body; the end part of the limiting ring is tightly propped against the end part of the outer ring of the angular contact bearing; a first O-shaped sealing ring is arranged between the second ring seat and the baffle ring; the front gland, the second ring seat, the baffle ring and the sloping platform at the rear end of the shaft body form an open groove, and a front dust cover is arranged at the inner side of the open groove; the front dust cover is fixed with the baffle ring through a plurality of pins; the front end of the front dust cover is embedded with a VA sealing ring; and an angular contact joint bearing is embedded outside the sloping platform at the front end of the shaft body.
2. The novel active bearing housing of claim 1, wherein: the rear end of the shaft body is connected to the spindle motor, and the front end of the shaft body is connected with the roller; and the roller is tightly propped against the outer ring of the angular contact knuckle bearing.
3. The novel active bearing housing of claim 1, wherein: and a second O-shaped sealing ring is arranged between the driving bearing box body and the rear gland.
4. The novel active bearing housing of claim 1, wherein: the first ring seat and the rear dust cover are provided with a plurality of ring grooves which are mutually clamped on the surface close to each other; the second ring seat and the front dust cover are provided with a plurality of ring grooves which are mutually clamped on the surface close to each other.
5. The novel active bearing housing of claim 1, wherein: the driving bearing box body is provided with a plurality of axial perforations along the circumferential direction at intervals, an oil pipe is fixed on the inner side of each axial perforation, adjacent oil pipes are sequentially connected end to form a cooling flow passage, and an oil inlet and an oil outlet of the cooling flow passage movably penetrate out of a rear gland and are connected to an oil cooling circulation system.
6. The novel active bearing housing of claim 1, wherein: the active bearing box is provided with a plurality of dust removal through holes along the circumference interval, the dust removal through hole inboard is fixed with the tuber pipe, the front gland is inlayed to tuber pipe one end, and the rear gland is inlayed to the other end to be connected to wind-force jetting system.
CN202422116857.1U 2024-08-30 2024-08-30 Novel initiative bearing box Active CN221824319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202422116857.1U CN221824319U (en) 2024-08-30 2024-08-30 Novel initiative bearing box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202422116857.1U CN221824319U (en) 2024-08-30 2024-08-30 Novel initiative bearing box

Publications (1)

Publication Number Publication Date
CN221824319U true CN221824319U (en) 2024-10-11

Family

ID=92956044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202422116857.1U Active CN221824319U (en) 2024-08-30 2024-08-30 Novel initiative bearing box

Country Status (1)

Country Link
CN (1) CN221824319U (en)

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