CN112975747A - Floating support structure for processing bearing - Google Patents

Floating support structure for processing bearing Download PDF

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Publication number
CN112975747A
CN112975747A CN202110211247.8A CN202110211247A CN112975747A CN 112975747 A CN112975747 A CN 112975747A CN 202110211247 A CN202110211247 A CN 202110211247A CN 112975747 A CN112975747 A CN 112975747A
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China
Prior art keywords
slot
supporting
processing
support structure
bearing
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CN202110211247.8A
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CN112975747B (en
Inventor
刘明阳
赵立新
张凯
唐双晶
高阳
王显辉
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AVIC Harbin Bearing Co Ltd
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AVIC Harbin Bearing Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/067Work supports, e.g. adjustable steadies radially supporting workpieces

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Support Of The Bearing (AREA)

Abstract

A floating support structure for processing a bearing relates to the technical field of bearing manufacturing. The invention aims to solve the problem that the existing bearing ring is easy to have support scratches in the grinding process. The invention comprises a supporting head, a rotating shaft, a supporting rod and an elastic part, wherein a slot is arranged in the middle of the upper end surface of the supporting rod along the width direction, the lower end of the supporting head is inserted into the slot, a gap is arranged between the lower end surface of the supporting head and the bottom of the slot, the supporting head is connected with the supporting rod through the rotating shaft, two supporting cushion blocks are respectively and symmetrically arranged on two sides of the upper end surface of the supporting head, the upper end surface of each supporting cushion block is a circular arc curved surface, an elastic part mounting groove is arranged on one side of the bottom of the slot, and an elastic part is arranged between the bottom of the elastic. The invention is used for processing the bearing support.

Description

Floating support structure for processing bearing
Technical Field
The invention relates to the technical field of bearing manufacturing, in particular to a floating support structure for processing a bearing.
Background
At present, the novel bearing in the aviation bearing industry is mostly developed in small batches and in various types, grinding occupies a considerable proportion, and most surfaces are ground to finish the whole production process. For aviation precision bearing products, the machining requirements of high appearance quality, high precision and low surface roughness value of the bearing through grinding are more required. The traditional method for grinding and processing the bearing and machining the bearing ring has the advantage that the method for grinding and processing the supporting pivot by adopting the ferrule in batches is not suitable for the development of products in small batches and various varieties, so that a reasonable bearing ring grinding and supporting structure needs to be designed by people.
The existing bearing ring grinding support structure is inevitable to generate support depth scratches in small-batch and multi-variety use, and people do not consider the scratches too much. The support scratch is that in the process of grinding the ferrule, the outer diameter of the ferrule and the support surface of a grinding support structure cannot be effectively attached to form point contact, so that the support scratch of the outer diameter of the ferrule is generated, and the scratch is more serious particularly for bearings made of special materials and spherical bearings with the outer diameters of which the hardness is below HRC50, and the appearance and the precision of the bearings are directly influenced by the scratch. How to avoid support scratch is also the place that needs attention and improvement of current bearing grinding bearing structure.
Disclosure of Invention
The invention provides a floating support structure for processing a bearing, aiming at solving the problem that the existing bearing ring is easy to generate support scratches in the grinding process.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a floating support structure for processing a bearing comprises a support head, a rotating shaft, a support rod and an elastic part, wherein a slot is formed in the middle of the upper end face of the support rod in the width direction, the lower end of the support head is inserted into the slot, a gap is formed between the lower end face of the support head and the bottom of the slot, the support head is connected with the support rod through the rotating shaft, two support cushion blocks are symmetrically arranged on two sides of the upper end face of the support head respectively, the upper end faces of the support cushion blocks are arc-shaped curved surfaces, an elastic part installation groove is formed in one side of the bottom of the slot, and the elastic part is arranged between the bottom of the elastic part.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a floating support structure for processing a bearing, which can automatically adjust the left and right and front and back positions of a support head under the influence of the gravity of a bearing ring in the grinding processing of the bearing ring, so that the support surface of the support head is parallel to the outer diameter of the bearing ring, and the line contact between the support surface and the outer diameter of the bearing ring is realized.
Aiming at small-batch and various bearing rings, the supporting structure designed by the invention can effectively avoid the problem of supporting scratch generated in the grinding process, and improve the appearance and the precision of the bearing.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a left side cross-sectional view of FIG. 1;
fig. 3 is a front view of the support head 1 of the present invention;
FIG. 4 is a left side cross-sectional view of FIG. 3;
fig. 5 is a front view of the support bar 5 according to the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a left side cross-sectional view of FIG. 5;
fig. 8 is a front view of the rotary shaft 3 of the present invention;
fig. 9 is a front view of the elastic member 7 in the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 9, and the floating support structure for processing a bearing according to the embodiment includes a support head 1, a rotation shaft 3, a support rod 5 and an elastic member 7, wherein a slot 5-1 is formed in the middle of the upper end surface of the support rod 5 along the width direction, the lower end of the support head 1 is inserted into the slot 5-1, a gap is formed between the lower end surface of the support head 1 and the bottom of the slot 5-1, the support head 1 is connected with the support rod 5 through the rotation shaft 3, two support pads 1-1 are symmetrically arranged on two sides of the upper end surface of the support head 1, the upper end surface of each support pad 1-1 is a circular arc surface, an elastic member installation slot 5-3 is formed on one side of the bottom of the slot 5-1, and the elastic member 7 is arranged between the bottom of the elastic member installation slot 5-3.
The elastic member 7 is disposed in the elastic member mounting groove 5-3 in this embodiment.
In the embodiment, the bearing ring is placed on the two supporting cushion blocks 1-1 during supporting, the supporting head 1 can rotate around the rotating shaft 3 under the action of pressure, a gap between the lower end surface of the supporting head 1 and the groove bottom of the slot 5-1 provides a rotating space, and the linear supporting adjustment is realized under the action of the elastic force of the elastic piece 7, so that the automatic supporting adjustment is realized.
In the embodiment, the rear side of the lower end of the support head 1 is provided with a step, two sides of the upper end surface of the support rod 5 are inclined planes which incline downwards from inside to outside, the two inclined planes which incline downwards are connected through a smooth curved surface, the horizontal plane of the step of the support head 1 is arranged at the upper end of the smooth curved surface of the support rod 5, and the design is used for preventing the support head 1 from being interfered by the support rod 5 in the rotating process.
In the embodiment, two sides of the upper end surface of the support head 1 are inclined surfaces which are inclined upwards from inside to outside, and the support cushion block 1-1 is arranged on the inclined surfaces, so that the support of the support cushion block 1-1 on the bearing ring is realized.
The included angle between the inclined planes at the two sides of the upper end surface of the support head 1 is 128 degrees.
In the embodiment, the other side of the lower end surface of the support head 1 is an upper inclined surface, and the included angle between the upper inclined surface and the horizontal plane is 5 degrees. So designed as to facilitate the rotation and the resetting of the support head 1.
The middle part of the front end face of the lower part of the support rod 5 is provided with a waist-shaped through hole along the height direction, and one side of the lower end of the waist-shaped through hole is provided with a mounting threaded hole, so that the mounting and positioning of the support rod 5 are realized.
The second embodiment is as follows: in the present embodiment, a gap is provided between the front and rear end surfaces of the lower end of the support head 1 and the groove wall of the slot 5-1, as described above with reference to fig. 1 to 9. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: referring to fig. 1 to 9, the embodiment is described, in the embodiment, a clamping adjustment groove 5-2 is formed in the middle of the bottom of the slot 5-1 along the width direction, a set screw 4 is vertically installed on the two side groove walls of the clamping adjustment groove 5-2, the set screw 4 passes through the front side groove wall of the clamping adjustment groove 5-2, and the tail end of the set screw 4 is in threaded connection with the rear side groove wall of the clamping adjustment groove 5-2. Other components and connection modes are the same as those of the second embodiment.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 9, and a self-lubricating radial spherical bearing 2 is provided between the support head 1 and the rotary shaft 3 according to the present embodiment. Other components and connection modes are the same as those of the third embodiment.
The self-lubricating radial spherical plain bearing 2 which can support the head 1 and simultaneously seat can swing left and right, the gap between the front end surface and the rear end surface of the lower end of the support head 1 and the groove wall of the slot 5-1 is used as a movable space for swinging, the size of the gap can be adjusted by rotating the set screw 4 so as to reserve a proper swinging space, so that the front and rear movement and the left and right movement of the support head 1 can not be influenced mutually, and the self-adjusting structural design is favorable for processing and supporting the bearing ring, avoids scratches caused by mutual friction between the bearing ring and the bearing ring, and reduces the manufacturing difficulty of the support structure.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 9, and the support head 1 and the self-lubricating radial spherical plain bearing 2 of the present embodiment are in transition fit connection. The other components and the connection mode are the same as those of the fourth embodiment.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1 to 9, in which the axes of the circular arc curved surfaces of the two shoe blocks 1-1 are coaxially arranged. Other components and connection modes are the same as those of the first embodiment.
The seventh embodiment: referring to fig. 1 to 9, the embodiment is described, in which the rotation shaft 3 is vertically inserted into the middle of the groove walls of both sides of the insertion groove 5-1 and the middle of the lower end of the support head 1. Other components and connection modes are the same as those of the first embodiment.
The specific implementation mode is eight: referring to fig. 1 to 9, the present embodiment is described, in which circlips 6 are provided at both ends of the rotating shaft 3, and the circlips 6 are provided outside both front and rear end surfaces of the support rod 5. The other components and the connection mode are the same as those of the seventh embodiment.
The specific implementation method nine: in the present embodiment, the elastic member 7 is a compression spring disposed in a vertical direction, which is described with reference to fig. 1 to 9. Other components and connection modes are the same as those of the first embodiment.
The detailed implementation mode is ten: the present embodiment will be described with reference to fig. 1 to 9, and the lip block 1-1 of the present embodiment is a lip block made of YG6 cemented carbide. Other components and connection modes are the same as those of the first embodiment.
The supporting cushion block 1-1 designed in the way has better use strength, impact toughness and wear resistance.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (10)

1. The utility model provides a processing bearing is with bearing structure that floats which characterized in that: the floating support structure for processing the bearing comprises a support head (1) and a rotating shaft (3), the supporting rod comprises a supporting rod (5) and an elastic piece (7), wherein a slot (5-1) is formed in the middle of the upper end face of the supporting rod (5) in the width direction, the lower end of a supporting head (1) is inserted into the slot (5-1), a gap is formed between the lower end face of the supporting head (1) and the bottom of the slot (5-1), the supporting head (1) is connected with the supporting rod (5) through a rotating shaft (3), two supporting cushion blocks (1-1) are symmetrically arranged on two sides of the upper end face of the supporting head (1), the upper end face of each supporting cushion block (1-1) is an arc curved surface, an elastic piece mounting groove (5-3) is formed in one side of the bottom of the slot (5-1), and the elastic piece (7) is arranged between the bottom of the elastic piece mounting groove (5-3) and one side.
2. A floating support structure for processing a bearing according to claim 1, wherein: gaps are arranged between the front end surface and the rear end surface of the lower end of the supporting head (1) and the groove wall of the slot (5-1).
3. A floating support structure for processing a bearing according to claim 2, wherein: the middle part of the bottom of the slot (5-1) is provided with a clamping adjusting slot (5-2) along the width direction, the slot walls at two sides of the clamping adjusting slot (5-2) are vertically provided with a set screw (4), the set screw (4) penetrates through the front side slot wall of the clamping adjusting slot (5-2), and the tail end of the set screw (4) is in threaded connection with the rear side slot wall of the clamping adjusting slot (5-2).
4. A floating support structure for processing a bearing according to claim 3, wherein: and a self-lubricating radial spherical plain bearing (2) is arranged between the support head (1) and the rotating shaft (3).
5. The floating support structure for processing a bearing according to claim 4, wherein: the support head (1) is in transition fit connection with the self-lubricating radial spherical plain bearing (2).
6. A floating support structure for processing a bearing according to claim 1, wherein: the axes of the arc curved surfaces of the two supporting cushion blocks (1-1) are coaxially arranged.
7. A floating support structure for processing a bearing according to claim 1, wherein: the rotating shaft (3) is vertically inserted in the middle of the groove walls at the two sides of the slot (5-1) and the middle of the lower end of the support head (1).
8. The floating support structure for processing a bearing according to claim 7, wherein: elastic check rings (6) are arranged at two ends of the rotating shaft (3), and the elastic check rings (6) are arranged on the outer sides of the front end face and the rear end face of the supporting rod (5).
9. A floating support structure for processing a bearing according to claim 1, wherein: the elastic piece (7) is a pressure spring arranged along the vertical direction.
10. A floating support structure for processing a bearing according to claim 1, wherein: the supporting cushion block (1-1) is made of YG6 hard alloy.
CN202110211247.8A 2021-02-25 2021-02-25 Floating support structure for processing bearing Active CN112975747B (en)

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Application Number Priority Date Filing Date Title
CN202110211247.8A CN112975747B (en) 2021-02-25 2021-02-25 Floating support structure for processing bearing

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Application Number Priority Date Filing Date Title
CN202110211247.8A CN112975747B (en) 2021-02-25 2021-02-25 Floating support structure for processing bearing

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CN112975747A true CN112975747A (en) 2021-06-18
CN112975747B CN112975747B (en) 2023-04-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114029822A (en) * 2021-11-23 2022-02-11 中国航发哈尔滨轴承有限公司 Method for machining finish grinding channel of outer ring of high-precision long-cylinder double-row angular contact ball bearing

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006315153A (en) * 2005-05-16 2006-11-24 Nakayama Seiko Kk Workpiece drive device for cylindrical grinding machine
JP2008023624A (en) * 2006-07-19 2008-02-07 Ntn Corp Workpiece support device and machine structure worked thereby
CN201120586Y (en) * 2007-11-29 2008-09-24 洛阳Lyc轴承有限公司 Ultra-accurate working procedure support clamper
CN103317440A (en) * 2013-06-27 2013-09-25 常州克劳诺斯特种轴承制造有限公司 Bearing sleeve ring grinding process floating support device
CN204248656U (en) * 2014-11-05 2015-04-08 云南圆正轴承有限公司 A kind of bearing ring electric magnetic no-core clamp supporting
CN204366722U (en) * 2014-12-26 2015-06-03 无锡市利钧轴承有限公司 A kind of float support frame
CN106891253A (en) * 2017-04-12 2017-06-27 无锡市海峰海林精工机械制造有限公司 Zhigou mill ditch method and the fixture of a kind of cylindrical septal fossula of bearing ring
CN107243788A (en) * 2017-07-27 2017-10-13 中原工学院 A kind of adjustable float support meanss and method of adjustment
CN207127726U (en) * 2017-09-20 2018-03-23 瓦房店阿科比轴承有限公司 A kind of large-scale bearing ring internal diameter grinding support meanss
CN108655845A (en) * 2018-05-16 2018-10-16 安徽同步自动化科技有限公司 A kind of ring-shaped work pieces cylindrical centerless type grinding elastic rolling floating support
CN210524722U (en) * 2019-09-11 2020-05-15 河南石力金刚石制品股份有限公司 Supporting mechanism for processing groove of outer circle of inner ring of roller bearing
CN210877456U (en) * 2019-01-10 2020-06-30 上海康晟航材科技股份有限公司 Stepless height-adjusting supporting device for carrier roller in slab processing process
CN210938760U (en) * 2019-08-20 2020-07-07 南阳普瑞森轴承有限公司 Novel centerless clamp for bearing grinding machine
CN111618676A (en) * 2020-06-10 2020-09-04 山东蓝宇精密轴承制造有限公司 Floating support applied to grinding machine

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006315153A (en) * 2005-05-16 2006-11-24 Nakayama Seiko Kk Workpiece drive device for cylindrical grinding machine
JP2008023624A (en) * 2006-07-19 2008-02-07 Ntn Corp Workpiece support device and machine structure worked thereby
CN201120586Y (en) * 2007-11-29 2008-09-24 洛阳Lyc轴承有限公司 Ultra-accurate working procedure support clamper
CN103317440A (en) * 2013-06-27 2013-09-25 常州克劳诺斯特种轴承制造有限公司 Bearing sleeve ring grinding process floating support device
CN204248656U (en) * 2014-11-05 2015-04-08 云南圆正轴承有限公司 A kind of bearing ring electric magnetic no-core clamp supporting
CN204366722U (en) * 2014-12-26 2015-06-03 无锡市利钧轴承有限公司 A kind of float support frame
CN106891253A (en) * 2017-04-12 2017-06-27 无锡市海峰海林精工机械制造有限公司 Zhigou mill ditch method and the fixture of a kind of cylindrical septal fossula of bearing ring
CN107243788A (en) * 2017-07-27 2017-10-13 中原工学院 A kind of adjustable float support meanss and method of adjustment
CN207127726U (en) * 2017-09-20 2018-03-23 瓦房店阿科比轴承有限公司 A kind of large-scale bearing ring internal diameter grinding support meanss
CN108655845A (en) * 2018-05-16 2018-10-16 安徽同步自动化科技有限公司 A kind of ring-shaped work pieces cylindrical centerless type grinding elastic rolling floating support
CN210877456U (en) * 2019-01-10 2020-06-30 上海康晟航材科技股份有限公司 Stepless height-adjusting supporting device for carrier roller in slab processing process
CN210938760U (en) * 2019-08-20 2020-07-07 南阳普瑞森轴承有限公司 Novel centerless clamp for bearing grinding machine
CN210524722U (en) * 2019-09-11 2020-05-15 河南石力金刚石制品股份有限公司 Supporting mechanism for processing groove of outer circle of inner ring of roller bearing
CN111618676A (en) * 2020-06-10 2020-09-04 山东蓝宇精密轴承制造有限公司 Floating support applied to grinding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114029822A (en) * 2021-11-23 2022-02-11 中国航发哈尔滨轴承有限公司 Method for machining finish grinding channel of outer ring of high-precision long-cylinder double-row angular contact ball bearing

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