CN110238682B - Heavy-load cross bracing mechanism - Google Patents
Heavy-load cross bracing mechanism Download PDFInfo
- Publication number
- CN110238682B CN110238682B CN201910582553.5A CN201910582553A CN110238682B CN 110238682 B CN110238682 B CN 110238682B CN 201910582553 A CN201910582553 A CN 201910582553A CN 110238682 B CN110238682 B CN 110238682B
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- Prior art keywords
- sleeve
- bearing
- ring
- support ring
- tailstock
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- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004429 Calibre Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Machine Tool Units (AREA)
Abstract
The invention provides a heavy-load cross support mechanism which comprises a cross support body, a bearing sleeve and a positioning locking sleeve, wherein the bearing sleeve comprises a connecting ring and a sleeve body arranged on the left side of the connecting ring, the sleeve body, the connecting ring and the positioning locking sleeve are sequentially sleeved on a tailstock sleeve of a lathe from left to right, the connecting ring and the positioning locking sleeve are fixedly connected through bolts, the positioning locking sleeve is fixed on the tailstock sleeve and used for realizing the axial positioning of the bearing sleeve, the cross support body comprises a middle support ring and an outer support ring, a plurality of support plates are arranged between the middle support ring and the outer support ring, a plurality of support devices with adjustable lengths are arranged on the outer support ring, the middle support ring is arranged on the sleeve body through a bearing assembly, the bearing assembly comprises a roller bearing and a thrust bearing which are arranged on the sleeve body, and the roller bearing is. The tailstock sleeve disclosed by the invention can be used for large hollow parts of more than 50 tons, and radial force directly acts on the tailstock sleeve, so that the tailstock sleeve is prevented from bearing large radial moment and axial force.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a heavy-load cross support mechanism.
Background
For large hollow parts with the weight of more than 50 tons, a common cross brace and a lathe tailstock center hardly support a workpiece to rotate, the workpiece is propped by the tailstock center, and the center bears great radial force and axial force due to the fact that the workpiece is heavy, friction force is great, the center is prone to heating and damage, and therefore the processing of the hollow parts is influenced.
CN207272813U discloses a cross brace device for heavy-calibre stove roller processing locking, including middle supporting shoe, a plurality of support column of equipartition on the middle supporting shoe excircle, the support column tip is provided with the adjusting device who is used for controlling and the distance between the heavy-calibre stove roller hole, and middle supporting shoe is circular structure, and centre of a circle department is provided with the thimble hole, is provided with the strengthening rib between the support column. The adjusting device comprises internal threads arranged at the end part of the supporting column, a bolt matched with the internal threads and a nut connected to the bolt. The cross support device is matched with the center to support a workpiece, the bearing capacity of the hollow part is limited, and the heavy hollow part is difficult to support to rotate.
Disclosure of Invention
The invention provides a heavy-load cross bracing mechanism which can be used for large-scale hollow parts with the weight of more than 50 tons, radial force directly acts on a tailstock sleeve, the tailstock sleeve is prevented from bearing large radial torque and axial force, friction force is reduced by additionally arranging a bearing assembly, and the tailstock sleeve is prevented from being heated and damaged.
The technical scheme of the invention is realized as follows: heavy load cross bracing mechanism, including the cross supporter, bearing sleeve and location lock sleeve, the bearing sleeve includes the go-between and sets up in the left cover barrel of go-between, the cover barrel, go-between and location lock sleeve suit are on the tailstock sleeve of lathe from a left side to the right side in proper order, go-between and location lock sleeve pass through the bolt fastening and link to each other, the location lock sleeve is fixed on the tailstock sleeve, the cross supporter includes middle support ring and outer support ring, be provided with a plurality of backup pads between middle support ring and the outer support ring, be provided with a plurality of adjustable length's strutting arrangement on the outer support ring, middle support ring passes through bearing assembly and installs on the cover barrel, bearing assembly is including installing roller bearing and the thrust bearing on the cover barrel, roller bearing is located thrust bearing's.
Furthermore, the left side of the inner wall of the middle support ring is provided with a first mounting groove assembled with the roller bearing, the right side of the inner wall of the middle support ring is provided with a second mounting groove assembled with the thrust bearing, a spacing ring is arranged between the first mounting groove and the second mounting groove, and the middle support ring and the spacing ring are of an integrated structure.
Further, strutting arrangement includes a location section of thick bamboo and adjusts the pole, and a location section of thick bamboo includes a plurality ofly, along the circumference equipartition of outer support ring, and the inner wall of a location section of thick bamboo is provided with the internal thread, adjusts the lateral wall of pole be provided with internal thread complex external screw thread, the upper end of adjusting the pole is provided with the kicking block.
Further, the right side of the connecting ring is provided with a third mounting groove assembled with the left end of the positioning locking sleeve.
Further, the connecting ring and the sleeve body are of an integral structure.
The invention has the beneficial effects that: the heavy-load cross bracing mechanism designed by the invention can be used for large hollow parts with the weight of more than 50 tons, the tailstock sleeve is provided with the positioning locking sleeve for axial positioning of the bearing sleeve, the bearing sleeve is fixedly connected with the positioning locking sleeve through a bolt, and the right side of the connecting ring is provided with the third mounting groove, so that the bearing sleeve and the positioning locking sleeve can be conveniently arranged coaxially; through thrust bearing and roller bearing's cooperation, install the cross supporter and put in bearing the weight of, support large-scale hollow spare through the cross supporter, radial force direct action avoids the tailstock sleeve to bear very big radial force and axial force like this, through installing bearing assembly additional, reduces frictional force, avoids the tailstock sleeve to generate heat impaired.
The heavy-load cross brace mechanism ensures the coaxial arrangement of the cross brace body, the positioning locking sleeve, the bearing sleeve and the tailstock sleeve, and avoids the axial deviation from influencing the processing quality in the processing process of large-sized hollow parts; the number of the supporting devices can be increased conveniently as required on the cross support body, and the balance stability of the support is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a right side view of the cross brace.
The large-sized hollow component comprises a positioning locking sleeve 1, a connecting ring 2, a sleeve body 3, a tailstock sleeve 4, a third installation groove 5, an intermediate support ring 6, an outer support ring 7, a support plate 8, a positioning cylinder 9, an adjusting rod 10, a top block 11, a roller bearing 12, a thrust bearing 13, a first installation groove 14, a second installation groove 15, a spacing ring 16 and a large-sized hollow component 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The "left" and "right" of the present invention are relative to the positional relationship shown in fig. 1.
As shown in fig. 1-3, heavy load cross bracing mechanism, including the cross bracing body, bearing sleeve and location lock sleeve 1, bearing sleeve includes go-between 2 and sets up in the left cover barrel 3 of go-between 2, go-between 2 and cover barrel 3 structure as an organic whole, cover barrel 3, go-between 2 and location lock sleeve 1 suit from left right side in proper order on the tailstock sleeve 4 of lathe, the right side of go-between 2 is provided with the third mounting groove 5 with the left end assembly of location lock sleeve 1, go-between 2 and location lock sleeve 1 pass through the bolt fastening and link to each other, location lock sleeve 1 includes the holding ring and fixes the bolt and the nut on tailstock sleeve 4 with the holding ring locking for realize the axial positioning of bearing sleeve.
The cross supporter includes middle support ring 6 and outer support ring 7 that the coaxial line set up, be fixed with a plurality of backup pads 8 along the circumference equipartition between middle support ring 6 and the outer support ring 7, be provided with a plurality of adjustable length's strutting arrangement on the outer support ring 7, strutting arrangement includes a setting cylinder 9 and adjusts pole 10, a setting cylinder 9 includes a plurality ofly, along the circumference equipartition of outer support ring 7, the inner wall of a setting cylinder 9 is provided with the internal thread, the lateral wall of adjusting pole 10 be provided with interior screw-thread fit's external screw thread, the upper end of adjusting pole 10 is fixed with kicking block 11.
The intermediate support ring 6 is mounted on the sleeve body 3 by means of a bearing assembly comprising a roller bearing 12 and a thrust bearing 13 mounted on the sleeve body 3, the roller bearing 12 being located to the left of the thrust bearing 13. The left side of the inner wall of the middle supporting ring 6 is provided with a first mounting groove 14 assembled with the roller bearing 12, the right side is provided with a second mounting groove 15 assembled with the thrust bearing 13, a spacing ring 16 is arranged between the first mounting groove 14 and the second mounting groove 15, and the middle supporting ring 6 and the spacing ring 16 are of an integral structure.
The use method of the invention comprises the following steps: the heavy-duty cross bracing mechanism is arranged on a tailstock sleeve 4 of a lathe, and the length of the adjusting rod 10 extending out of the positioning cylinder 9 is adjusted according to the inner diameter of the large hollow part 17, so that the ejector block 11 is supported on the inner wall of the large hollow part 17.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. Heavy load cross props mechanism, its characterized in that: comprises a cross support body, a bearing sleeve and a positioning locking sleeve (1), wherein the bearing sleeve comprises a connecting ring (2) and a sleeve body (3) arranged on the left side of the connecting ring (2), the sleeve body (3), the connecting ring (2) and the positioning locking sleeve (1) are sequentially sleeved on a tailstock sleeve (4) of a lathe from left to right, the connecting ring (2) and the positioning locking sleeve (1) are fixedly connected through bolts, the positioning locking sleeve (1) is fixed on the tailstock sleeve (4), the cross support body comprises a middle support ring (6) and an outer support ring (7), a plurality of support plates (8) are arranged between the middle support ring (6) and the outer support ring (7), a plurality of support devices with adjustable lengths are arranged on the outer support ring (7), the middle support ring (6) is arranged on the sleeve body (3) through a bearing assembly, the bearing assembly comprises a roller bearing (12) and a thrust bearing (13) which are arranged on the sleeve body (3), the roller bearing (12) is positioned on the left side of the thrust bearing (13), the supporting device comprises a plurality of positioning cylinders (9) and an adjusting rod (10), the positioning cylinders (9) are uniformly distributed along the circumferential direction of the outer supporting ring (7), inner threads are arranged on the inner wall of the positioning cylinders (9), outer threads matched with the inner threads are arranged on the side wall of the adjusting rod (10), a top block (11) is arranged at the upper end of the adjusting rod (10),
the left side of the inner wall of the middle support ring (6) is provided with a first mounting groove (14) assembled with the roller bearing (12), the right side is provided with a second mounting groove (15) assembled with the thrust bearing (13), a spacing ring (16) is arranged between the first mounting groove (14) and the second mounting groove (15), the middle support ring (6) and the spacing ring (16) are of an integrated structure, and the connecting ring (2) and the sleeve body (3) are of an integrated structure.
2. The heavy duty cross brace mechanism of claim 1, wherein: the right side of the connecting ring (2) is provided with a third mounting groove (5) assembled with the left end of the positioning locking sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582553.5A CN110238682B (en) | 2019-06-29 | 2019-06-29 | Heavy-load cross bracing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582553.5A CN110238682B (en) | 2019-06-29 | 2019-06-29 | Heavy-load cross bracing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110238682A CN110238682A (en) | 2019-09-17 |
| CN110238682B true CN110238682B (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910582553.5A Active CN110238682B (en) | 2019-06-29 | 2019-06-29 | Heavy-load cross bracing mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN110238682B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705977A (en) * | 2021-01-28 | 2021-04-27 | 江苏鹏飞集团股份有限公司 | Machining tool for guaranteeing roundness and end face machining quality of large-diameter cylinder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699718A (en) * | 2012-06-21 | 2012-10-03 | 河南平高电气股份有限公司 | Positioning fixture for drum-like part turning |
| CN205254132U (en) * | 2015-12-30 | 2016-05-25 | 安徽再制造技术研究院有限公司 | Supplementary strutting arrangement cross of lathe is top |
| CN206617357U (en) * | 2017-01-25 | 2017-11-07 | 中国电建集团上海能源装备有限公司 | A kind of self-lubricating bearing case of vertical submerged pump |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1527067A (en) * | 1922-08-18 | 1925-02-17 | Spencer Smith Machine Company | Grinding-arbor adapter |
| CN201350558Y (en) * | 2009-02-18 | 2009-11-25 | 宁波凯荣船用机械有限公司 | Multilevel adjustment inner support structure |
| CN201807906U (en) * | 2010-07-27 | 2011-04-27 | 卫华集团有限公司 | Winding drum processing tooling |
| CN202411855U (en) * | 2011-11-25 | 2012-09-05 | 铜陵市东方矿冶机械有限责任公司 | Annular bracket used for turning fixture of cylindrical machine tool |
| CN205777587U (en) * | 2016-05-25 | 2016-12-07 | 中交第一航务工程局有限公司 | Telescopic cross internal stay |
| CN206567555U (en) * | 2017-03-22 | 2017-10-20 | 宁德师范学院 | A kind of fixture for being easy to turning |
| CN207272813U (en) * | 2017-08-19 | 2018-04-27 | 江苏标新工业有限公司 | Heavy caliber furnace roller processes locking cross support arrangement |
| CN107984278B (en) * | 2017-11-08 | 2020-04-14 | 武汉船用机械有限责任公司 | Spindle support for cylindrical workpieces |
| CN208196068U (en) * | 2018-05-16 | 2018-12-07 | 山东豪迈机械制造有限公司 | A kind of barrel support device |
-
2019
- 2019-06-29 CN CN201910582553.5A patent/CN110238682B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699718A (en) * | 2012-06-21 | 2012-10-03 | 河南平高电气股份有限公司 | Positioning fixture for drum-like part turning |
| CN205254132U (en) * | 2015-12-30 | 2016-05-25 | 安徽再制造技术研究院有限公司 | Supplementary strutting arrangement cross of lathe is top |
| CN206617357U (en) * | 2017-01-25 | 2017-11-07 | 中国电建集团上海能源装备有限公司 | A kind of self-lubricating bearing case of vertical submerged pump |
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| CN110238682A (en) | 2019-09-17 |
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| CP03 | Change of name, title or address |
Address after: 454650 Jishui Avenue East Section (Jiyang Intersection East), Jiyuan City, Henan Province Patentee after: Henan Zhongyuan Roller Shaft Co.,Ltd. Address before: 454650 east section of Jishui Avenue, Jiyuan City, Jiaozuo City, Henan Province Patentee before: HENAN ZHONGYUAN ROLLER SHAFT Co.,Ltd. |
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| CP03 | Change of name, title or address |