CN210818782U - Combined double-support of electromagnetic centerless clamp - Google Patents
Combined double-support of electromagnetic centerless clamp Download PDFInfo
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- CN210818782U CN210818782U CN201921480115.XU CN201921480115U CN210818782U CN 210818782 U CN210818782 U CN 210818782U CN 201921480115 U CN201921480115 U CN 201921480115U CN 210818782 U CN210818782 U CN 210818782U
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- supporting
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- 239000000463 material Substances 0.000 claims abstract description 16
- 239000004952 Polyamide Substances 0.000 claims abstract description 13
- 229920002647 polyamide Polymers 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model relates to a combined double support of an electromagnetic centerless clamp, which comprises a supporting head and a supporting block, wherein the supporting block is in floating connection with a supporting seat through a pin shaft, and the supporting head for supporting the outer circular surface of a bearing ring is fixedly connected on the upper part of the supporting block through a bolt; the whole bearing head is of a cuboid structure made of polyamide materials, an open groove is formed in the length direction of the upper portion of the bearing head, V-shaped grooves are formed in the middle of the two side walls of the open groove respectively, through holes are evenly distributed in the bottom wall of the open groove, and bolts are arranged in the through holes and fixedly connected with the bearing block through the bolts. The utility model can make the rotation of the ferrule more stable in the grinding process, prolong the service life of the bearing and reduce the material waste; the processing precision of the product is more stable; the integral design of the supporting head is convenient for processing and manufacturing polyamide materials, the manufacturing cost is low, meanwhile, the consistency of the supporting head is good, and the eccentric amount of the centerless fixture can be conveniently adjusted when the supporting head is replaced.
Description
Technical Field
The utility model relates to a bearing ring abrasive machining technique specifically is an electromagnetism centerless anchor clamps combination formula double bracing.
Background
The bearing ring grinding processing generally adopts the location of the electromagnetic centerless clamp, the axial location of the ring is realized through the electromagnetic force of the electromagnetic centerless clamp, the radial location is realized through the floating bearing that is matched with the centerless clamp, the floating bearing is connected with the bearing seat through the round pin axle and floats, the material used for making the bearing is various, there are alloy, pottery, polyamide, etc., wherein the polyamide material bearing uses more commonly too, the advantage of the polyamide material bearing is that will not cause the fish tail to the surface of the ring, it is used for finish grinding and finish grinding process mostly, but the traditional polyamide material bearing has the following two obvious disadvantages:
(1) most of the bearings are single bearings, the bearings are integrated, the bearing heads are influenced by grinding force and friction force in the process of grinding the bearing ring, the friction generated between the bearing ring and the bearing heads gradually consumes the bearing heads, in order to ensure the machining precision of the bearing ring, the bearing heads need to scrap the integrated bearings after being used for a certain service life, the integrated bearings are replaced by new bearings, and the lower half parts of the scrapped bearing are still intact, so that half materials are wasted.
(2) The friction between the floating support pin shaft and the pin hole generated for a long time gradually increases the diameter of the pin hole, the support center generates displacement, the grinding precision of the ferrule is adversely affected, the precision of the ferrule exceeds the process requirement, and therefore the support needs to be replaced in time.
Disclosure of Invention
The utility model aims at providing an electromagnetism centerless fixture combination formula dual-support through improving polyamide material list bearing structure, divide into the two parts with the supporting, and the supporting head of supporting the first half adopts polyamide material, and the design of supporting head is dual-support head, and the supporting block of the latter half of supporting adopts the hardness to be 40 ~ 45 HRC's metal material, can prolong supporting life, and it is extravagant to reduce the material to can effectively guarantee lasso machining precision.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a combined double support of an electromagnetic centerless clamp comprises a support head and a support block, wherein the support block is in floating connection with a support base through a pin shaft, and the support head for supporting the outer circular surface of a bearing ring is fixedly connected to the upper part of the support block through a bolt; the whole bearing head is of a cuboid structure made of polyamide materials, an open groove is formed in the length direction of the upper portion of the bearing head, V-shaped grooves are formed in the middle of the two side walls of the open groove respectively, through holes are evenly distributed in the bottom wall of the open groove, and bolts are arranged in the through holes and fixedly connected with the bearing block through the bolts.
The whole bearing block is of a steel cuboid structure, threaded holes are uniformly distributed in the upper end face of the bearing block, the threaded holes correspond to through holes in the bottom wall of an open slot of the bearing head, a pin hole is formed in the middle of the bearing block, and a pin shaft used for being connected with the bearing seat is arranged in the pin hole.
The two side walls of the V-shaped groove of the supporting head are respectively provided with a through groove A for friction heat dissipation and grinding fluid removal, and the bottom end of the V-shaped groove is also provided with a through groove C for friction heat dissipation and grinding fluid removal.
The utility model has the advantages that: the utility model adopts the structural style that the polyamide supporting head is combined with the steel supporting block, the same v-shaped supporting surface is arranged on the two side walls of the open slot on the supporting head, so that the rotation of the ferrule in the grinding process is more stable, the friction force between the ferrule and the supporting head is reduced, the consumption of the double rows of supporting heads is reduced by 1/2 compared with the single supporting, the service life of the supporting is prolonged, and the material waste is reduced; the pin holes in the steel supporting blocks are more wear-resistant on the pin shafts, so that adverse effects on the grinding precision of the ferrule caused by the increase of the diameter of the pin holes are avoided, and the machining precision of the product is more stable; the integral design of the supporting head is convenient for processing and manufacturing polyamide materials, the manufacturing cost is low, meanwhile, the consistency of the supporting head is good, and the eccentric amount of the centerless fixture can be conveniently adjusted when the supporting head is replaced.
Drawings
Fig. 1 is a front view of the ferrule processing of the present invention.
Fig. 2 is a left side view of the ferrule processing of the present invention.
Fig. 3 is a schematic view of the supporting head and the supporting block of the present invention after combination.
Fig. 4 is a front view of the support head of the present invention.
Fig. 5 is a left side view of fig. 4.
Fig. 6 is a front view of the support block of the present invention.
Fig. 7 is a left side view of fig. 6.
In the figure: 1. the bearing comprises a bearing head, 2, a bearing block, 3, a pin shaft, 4, a lower bearing seat, 5, an upper bearing seat, 6, a bolt, 7, a ferrule, 8, an open slot, 9, a pin hole, 10, a threaded hole, 11, through grooves A, 12, through grooves C, 13, a through hole, 14 and a V-shaped groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 3, an upper supporting seat 5 and a lower supporting seat 4 are respectively arranged around the centerless clamp, and the upper supporting seat and the lower supporting seat are respectively provided with a support, the combined double support of the electromagnetic centerless clamp, which comprises a supporting head 1 and a supporting block 2, wherein the supporting block 2 is in floating connection with the upper supporting seat 5 or the lower supporting seat 4 through a pin shaft 3, the supporting head 1 for supporting the outer circular surface of a bearing ring 7 is fixedly connected on the upper part of the supporting block 2 through a bolt 6, and the split design is favorable for the long-term use of the supporting block 2; as shown in fig. 4 and 5, the whole supporting head 1 is of a cuboid structure made of polyamide material, an open slot 8 is formed in the length direction of the upper portion of the supporting head, V-shaped grooves 14 are formed in the middles of the two side walls of the open slot 8 respectively, through holes 13 are uniformly distributed in the bottom wall of the open slot 8, and bolts 6 are arranged in the through holes 13 and fixedly connected with the supporting block 2 through the bolts 6. The design of the supporting head 1 is an integral double-row supporting, which is beneficial to processing and manufacturing, the manufacturing cost is low, meanwhile, the consistency of the supporting head 1 is good, and the adjustment of the eccentric amount of the centerless fixture is convenient when the supporting head 1 is replaced.
As shown in fig. 6 and 7, the whole supporting block 2 is of a steel cuboid structure, threaded holes 10 are uniformly distributed on the upper end surface of the supporting block, the threaded holes 10 correspond to through holes 13 in the bottom wall of an opening groove of the supporting head, a pin hole 9 is formed in the middle of the supporting block 2, and a pin shaft 3 used for connecting a supporting seat is arranged in the pin hole 9. The pin hole 9 on the steel supporting block 2 is more wear-resistant on the pin shaft 3, so that the adverse effect on the grinding precision of the ferrule caused by the diameter enlargement of the pin hole 9 is avoided, and the processing precision of the product is more stable.
Two side walls of a V-shaped groove 14 of the supporting head 1 are respectively provided with a through groove A11 for friction heat dissipation and grinding fluid removal, and the bottom end of the V-shaped groove is also provided with a through groove C12 for friction heat dissipation and grinding fluid removal. The integral trough design facilitates heat dissipation and liquid drainage of the support.
The utility model discloses a use method:
(1) the supporting head 1 and the supporting block 2 are connected and fastened by a bolt 6, two sets of supports are respectively arranged in an upper supporting seat 5 and a lower supporting seat 4, a pin shaft 3 is arranged in a pin hole 9 for positioning and fixing, the pin shaft 3 is matched with a waist-shaped pin hole on the supporting seats, so that the fixed supports have certain floating amount, the eccentric amount is adjusted according to the outer diameter size of a ferrule, and grinding processing can be carried out after eccentric adjustment;
(2) grinding a certain number of ferrules, loosening the bolt 6 when the supporting head needs to be replaced after being worn to the limit, disassembling the supporting head 1, assembling a new supporting head 1 on the supporting block 2 without replacing the supporting block 2, repeating the steps in (1) to complete the replacement of the old supporting head, and the replacement is simple and convenient.
The part of the utility model not detailed is prior art.
Claims (3)
1. The utility model provides an electromagnetism centerless clamp combination formula dual-support, includes supporting head and supporting block, and the supporting block floats through round pin axle and bearing and is connected characterized by: the supporting head for supporting the outer circular surface of the bearing ring is fixedly connected to the upper part of the supporting block through a bolt; the whole bearing head is of a cuboid structure made of polyamide materials, an open groove is formed in the length direction of the upper portion of the bearing head, V-shaped grooves are formed in the middle of the two side walls of the open groove respectively, through holes are evenly distributed in the bottom wall of the open groove, and bolts are arranged in the through holes and fixedly connected with the bearing block through the bolts.
2. The electromagnetic centerless clamp modular dual support of claim 1, wherein: the whole bearing block is of a steel cuboid structure, threaded holes are uniformly distributed in the upper end face of the bearing block, the threaded holes correspond to through holes in the bottom wall of an open slot of the bearing head, a pin hole is formed in the middle of the bearing block, and a pin shaft used for being connected with the bearing seat is arranged in the pin hole.
3. The electromagnetic centerless clamp modular dual support of claim 1, wherein: the two side walls of the V-shaped groove of the supporting head are respectively provided with a through groove A for friction heat dissipation and grinding fluid removal, and the bottom end of the V-shaped groove is also provided with a through groove C for friction heat dissipation and grinding fluid removal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921480115.XU CN210818782U (en) | 2019-09-06 | 2019-09-06 | Combined double-support of electromagnetic centerless clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921480115.XU CN210818782U (en) | 2019-09-06 | 2019-09-06 | Combined double-support of electromagnetic centerless clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210818782U true CN210818782U (en) | 2020-06-23 |
Family
ID=71276820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921480115.XU Active CN210818782U (en) | 2019-09-06 | 2019-09-06 | Combined double-support of electromagnetic centerless clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210818782U (en) |
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2019
- 2019-09-06 CN CN201921480115.XU patent/CN210818782U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: China Patentee after: Luoyang Bearing Group Railway Bearing Co.,Ltd. Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China Patentee before: Luoyang Bearing Group Railway Bearing Co.,Ltd. |
|
| CP03 | Change of name, title or address |