CN214816688U - Automatic coaxial positioning device for grinding roller excircle machining and clamping - Google Patents
Automatic coaxial positioning device for grinding roller excircle machining and clamping Download PDFInfo
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- CN214816688U CN214816688U CN202120855319.8U CN202120855319U CN214816688U CN 214816688 U CN214816688 U CN 214816688U CN 202120855319 U CN202120855319 U CN 202120855319U CN 214816688 U CN214816688 U CN 214816688U
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- section
- conical
- conical head
- wedge
- axle sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model relates to an automatic coaxial device that falls of sand roller excircle processing clamping usefulness, including conical surface axle sleeve, two awl section of thick bamboos of elasticity and conical head top tube, conical surface axle sleeve, two awl section of thick bamboos of elasticity and conical head top tube from left to right set gradually in the lathe main shaft outside, the left end of lathe main shaft is provided with the spacing end of arch that is used for restricting conical surface axle sleeve left end position, the one end cross section that the conical surface axle sleeve is close to first sand roller inner iron core is the wedge, both ends are the wedge about the two awl section of thick bamboos of elasticity, the one end cross section that the conical head top tube is close to second sand roller inner iron core is the wedge. The utility model discloses can make emery roll iron core coaxial with the lathe main shaft to reduce the deviation of emery roll subassembly axis and lathe axis, improve the machining precision of axiality and emery roll excircle, and then solve or alleviateed the rice mill when using two rollers or multiroll husk rice the vibration that takes place a series of problems such as severe, the noise is big, the broken rice is many.
Description
Technical Field
The utility model relates to a sand roller manufacture equipment technical field, specific say that an automatic coaxial device that falls of sand roller excircle processing clamping usefulness.
Background
After a roller blank is formed by pressing a rigid die, an outer circle of the rice milling grinding roller needs to be machined further to ensure that the external dimensional precision of the grinding roller meets the requirement and the circumferential thickness of the grinding roller is balanced. In the actual processing process, the aperture of the iron core in the roller blank is 0.5-1mm larger than the shaft diameter of the main shaft of the machine tool for convenience in clamping; in addition, due to frequent clamping, the main shaft can be in frequent contact with the sand roller iron core to cause natural abrasion and diameter reduction, so that when the sand roller is clamped on the horizontal machine tool main shaft, the axis of the iron core hole in the sand roller is not coaxial with the axis of the machine tool main shaft due to self weight, and even serious deviation occurs. When using excircle cutter processing excircle, emery roller circumference thickness is unbalanced to lead to later stage helicla flute processing depth to differ, thereby when the husk rice emery roller delivers the husk rice to use, the high-speed rotatory emergence of rice machine vibrates badly, and the noise is big, a series of problems such as garrulous rice many.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above not enough, provide an automatic coaxial device that falls of emery roll excircle processing clamping usefulness.
For solving the technical problem, the utility model discloses a following technical scheme:
the utility model provides an automatic coaxial device that falls of sand roller excircle processing clamping usefulness, includes conical surface axle sleeve, elasticity two awl section of thick bamboo and conical head top tube, conical surface axle sleeve, elasticity two awl section of thick bamboo and conical head top tube set gradually in the lathe main shaft outside from left to right, the left end of lathe main shaft is provided with the protruding spacing end that is used for restricting conical surface axle sleeve left end position, the one end cross section that conical surface axle sleeve is close to first sand roller inner core is the wedge, both ends are the wedge about elasticity two awl section of thick bamboo, the one end cross section that conical head top tube is close to second sand roller inner core is the wedge.
Furthermore, an elasticity two awl section of thick bamboo includes a left awl head section of thick bamboo, a right awl head section of thick bamboo and compression spring, a left side awl head section of thick bamboo, a right awl head section of thick bamboo and compression spring all set up in the lathe main shaft outside, a left side awl head section of thick bamboo is close to the one end cross section of first emery roll inner core for the wedge, and the cylinder chamber has been seted up at the other end middle part, a right side awl head section of thick bamboo sets up in the cylinder chamber and can control about in the cylinder chamber, a right side awl head section of thick bamboo is close to the one end cross section of second emery roll inner core for the wedge, compression spring sets up in the cylinder chamber, and the cylinder chamber lateral wall is connected to one end, and a right awl head section of thick bamboo is connected to the other end.
Furthermore, a tool withdrawal groove is formed in the left end of the bump limiting end.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model discloses a conical surface axle sleeve, two iron cores of a fixed sand roller are come to an elasticity two awl section of thick bamboos and a left awl head section of thick bamboo, at the in-process of afterburning dress double-layered sand roller, through conical surface axle sleeve, cross section on an elasticity two awl section of thick bamboo and a left awl head section of thick bamboo is in the middle part through-hole of wedge-shaped conical surface card income sand roller iron core, play the guide effect, make the automatic axis of machine tool main shaft of terminal surface round hole of controlling of sand roller iron core on be close to, thereby reduce the deviation of sand roller subassembly axis and machine tool axis, improve the machining precision of axiality and sand roller excircle, and then solved or alleviateed when the rice mill uses two roller or multi-roll husk rice vibration that takes place serious, the noise is big, a series of problems such as broken rice is many.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of the present invention (without the sand roller);
in the drawings, the components represented by the respective reference numerals are listed below:
1. a conical shaft sleeve; 2. an elastic two-end conical cylinder; 21. a left cone head cylinder; 22. a right cone head cylinder; 23. a compression spring; 3. a conical head top cylinder; 4, a machine tool main shaft; 41. a raised limit end; 42. a tool withdrawal groove; a first sand roller inner iron core; 52. a first sand roll; 61. a second sand roller inner iron core; 62. a second sand roll; 7. and (6) a right pressing plate.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 3, an automatic coaxial position falling device for grinding roller excircle processing clamping, including conical surface axle sleeve 1, two elastic conical barrels 2 and conical head top barrel 3, conical surface axle sleeve 1, two elastic conical barrels 2 and conical head top barrel 3 set gradually in the 4 outsides of lathe main shaft from left to right, the left end of lathe main shaft 4 is provided with the protruding spacing end 41 that is used for restricting the 1 left end position of conical surface axle sleeve, the one end cross section that conical surface axle sleeve 1 is close to first grinding roller inner core 51 is the wedge, both ends are the wedge about two elastic conical barrels 2, conical head top barrel 3 is close to the one end cross section of second grinding roller inner core 61 and is the wedge.
As an implementation mode, the elastic two-end conical cylinder 2 includes a left conical head cylinder 21, a right conical head cylinder 22 and a compression spring 23, the left conical head cylinder 21, the right conical head cylinder 22 and the compression spring 23 are all arranged outside the machine tool spindle 4, a cross section of one end of the left conical head cylinder 21 close to the first sand roller inner core 51 is wedge-shaped, a cylindrical cavity is formed in the middle of the other end, the right conical head cylinder 22 is arranged in the cylindrical cavity and can move left and right in the cylindrical cavity, a cross section of one end of the right conical head cylinder 22 close to the second sand roller inner core 61 is wedge-shaped, the compression spring 23 is arranged in the cylindrical cavity, one end of the compression spring is connected with a side wall of the cylindrical cavity, and the other end of the compression spring is connected with the right conical head cylinder 22.
As shown in fig. 2, as an embodiment, the left end of the protrusion-limiting end 41 is provided with a relief groove 42.
The utility model discloses an installation flow:
as shown in fig. 3, when the outer circle of the roller blank is processed for clamping the roller blank (two sand roller blank bodies): fixing the conical shaft sleeve on the left side of a machine tool spindle by interference fit, then sequentially installing a first sand roller iron core 51 (comprising a first sand roller 52 on the outer side), an elastic two-end conical cylinder 2, a second sand roller iron core 61 (comprising a second sand roller 62 on the outer side) and a conical head top cylinder from left to right, and finally installing by applying force by using a right side pressing plate 7 on the right side of the machine tool, namely completing clamping;
when the elastic two-end conical cylinder 2 is installed: firstly, mounting the left conical head cylinder 21 on the right side of the first sand roller iron core 51, and then sequentially mounting the compression spring 23 and the conical head cylinder 22 in a cylindrical cavity of the left conical head cylinder 21;
when the excircle of the single grinding roller blank is machined: only the conical surface shaft sleeve 1 and the conical head ejection cylinder 3 can be used, during installation, the conical surface shaft sleeve is firstly installed on the left side of a machine tool spindle, then the sand roller iron core and the conical head ejection cylinder are sequentially installed from left to right, and finally the right side pressing plate 7 on the right side of the machine tool is used for stressing installation, so that clamping of a single sand roller blank is completed;
when the excircle of more than three grinding roller blanks is machined, the number of the elastic two-end conical cylinders 2 can be increased according to the number of the grinding rollers by referring to the installation mode of the two grinding roller blanks, and the grinding rollers are sequentially clamped, so that the axes of a plurality of grinding roller iron cores are coaxial with the axis of a machine tool spindle, and the same machining precision and effect are achieved.
When the grinding roller blank clamping device is used, for example, the two grinding roller blanks are clamped, the right side pressing plate 7 is pushed by a machine tool to push the conical head ejection cylinder 3 to move towards the left side, the conical head ejection cylinder 3 pushes the second grinding roller iron core towards the left side, the second grinding roller iron core pushes the right conical head cylinder towards the left side to move towards the left in the cylindrical groove, the right conical head cylinder can compress the compression spring when moving towards the left side, the compression spring pushes the left conical head cylinder and the right conical head cylinder at two sides under the action of elastic force, the left conical surface of the conical head ejection cylinder 3 and the right conical surface of the right conical head cylinder 22 are clamped into the middle through hole of the second grinding roller iron core 61, and the axis of the second grinding roller iron core 61 is close to the axis of a machine tool spindle;
the left conical head cylinder pushes the first sand roller iron core 51 towards the left side, so that the right conical surface of the conical surface shaft sleeve and the left conical surface of the left conical head cylinder are clamped into the middle through hole of the first sand roller iron core, the axis of the first sand roller iron core is close to the axis of the machine tool spindle, the first sand roller iron core and the second sand roller iron core are coaxial with the machine tool spindle, and the machining precision of the excircle of the sand roller is improved.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (3)
1. The utility model provides an automatic coaxial device that falls that sand roller excircle processing clamping was used, its characterized in that, includes conical surface axle sleeve (1), elasticity two awl section of thick bamboo (2) and awl head top section of thick bamboo (3), conical surface axle sleeve (1), elasticity two awl section of thick bamboo (2) and awl head top section of thick bamboo (3) from left to right set gradually in the lathe main shaft (4) outside, the left end of lathe main shaft (4) is provided with protruding spacing end (41) that are used for restricting conical surface axle sleeve (1) left end position, the one end cross section that conical surface axle sleeve (1) is close to first sand roller inner core (51) is the wedge, both ends are the wedge about elasticity two awl section of thick bamboo (2), the one end cross section that awl head top section of thick bamboo (3) is close to second sand roller inner core (61) is the wedge.
2. The automatic coaxial positioning device for clamping the excircle of the grinding roller according to claim 1, it is characterized in that the elastic two-end conical barrel (2) comprises a left conical head barrel (21), a right conical head barrel (22) and a compression spring (23), the left conical head cylinder (21), the right conical head cylinder (22) and the compression spring (23) are all arranged on the outer side of the machine tool spindle (4), the cross section of one end of the left conical head cylinder (21) close to the first sand roller inner iron core (51) is wedge-shaped, the middle part of the other end is provided with a cylindrical cavity, the right conical head cylinder (22) is arranged in the cylindrical cavity and can move left and right in the cylindrical cavity, the cross section of one end of the right conical head cylinder (22) close to the second sand roller inner iron core (61) is wedge-shaped, the compression spring (23) is arranged in the cylindrical cavity, one end of the compression spring is connected with the side wall of the cylindrical cavity, and the other end of the compression spring is connected with the right conical head cylinder (22).
3. The automatic coaxial positioning device for clamping the outer circle of the grinding roller as claimed in claim 1, wherein a tool withdrawal groove (42) is formed at the left end of the boss limiting end (41).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120855319.8U CN214816688U (en) | 2021-04-25 | 2021-04-25 | Automatic coaxial positioning device for grinding roller excircle machining and clamping |
| PCT/CN2021/104414 WO2022227276A1 (en) | 2021-04-25 | 2021-07-05 | Automatic coaxial positioning apparatus used for securing for sand roller outer circle machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120855319.8U CN214816688U (en) | 2021-04-25 | 2021-04-25 | Automatic coaxial positioning device for grinding roller excircle machining and clamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214816688U true CN214816688U (en) | 2021-11-23 |
Family
ID=78768523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120855319.8U Active CN214816688U (en) | 2021-04-25 | 2021-04-25 | Automatic coaxial positioning device for grinding roller excircle machining and clamping |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214816688U (en) |
| WO (1) | WO2022227276A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603301A1 (en) * | 1986-02-04 | 1987-08-06 | Glimpel Emuge Werk | CLAMPING DEVICE FOR WORKPIECES OR TOOLS WITH AN EXTENDINGLY CHANGEABLE CLAMPING SLEEVE |
| CN203124744U (en) * | 2013-01-22 | 2013-08-14 | 湖北省鄂州市天元砂辊有限责任公司 | Expansion shaft machine tool used for producing rice milling emery rolls |
| CN103252515B (en) * | 2013-06-07 | 2016-04-06 | 新余钢铁集团有限公司 | A kind of long excircle of barrel-shaped parts Special Fixture for Machining |
| CN104842269A (en) * | 2014-02-19 | 2015-08-19 | 成都云力机械有限公司 | Hollow roller grinding and positioning tool |
| CN104400051A (en) * | 2014-10-30 | 2015-03-11 | 无锡职业技术学院 | Combined-type variable-diameter core-shaft clamp for machining |
| CN106112709A (en) * | 2016-08-25 | 2016-11-16 | 浙江通力重型齿轮股份有限公司 | Adjustable outer core grinding axle clamp for machining |
| CN106392117A (en) * | 2016-11-16 | 2017-02-15 | 天津市源泉机电设备制造有限公司 | Hollow shell machining fixture |
-
2021
- 2021-04-25 CN CN202120855319.8U patent/CN214816688U/en active Active
- 2021-07-05 WO PCT/CN2021/104414 patent/WO2022227276A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2022227276A1 (en) | 2022-11-03 |
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