CN113814756B - Workpiece high-precision clamping and indexing device - Google Patents
Workpiece high-precision clamping and indexing device Download PDFInfo
- Publication number
- CN113814756B CN113814756B CN202111147164.3A CN202111147164A CN113814756B CN 113814756 B CN113814756 B CN 113814756B CN 202111147164 A CN202111147164 A CN 202111147164A CN 113814756 B CN113814756 B CN 113814756B
- Authority
- CN
- China
- Prior art keywords
- fixed
- rotation axis
- clamping
- rotating shaft
- moving part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000013011 mating Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/26—Control or regulation of position of tool or workpiece of angular position
-
- 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
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a workpiece high-precision clamping and indexing device. The utility model provides a work piece high accuracy clamping indexing means, its characterized in that includes the mounting and uses the rotation axis to rotate the moving part that is fixed in on the mounting as the center, be equipped with the clamping subassembly that is used for clamping the work piece on the terminal surface that the moving part kept away from the mounting, the moving part is fixed with the coaxial rotation axis with the rotation axis, the mounting has along the mating holes that the rotation axis extends, the rotation axis is located in the mating holes, the terminal surface department that the moving part is close to the moving part is equipped with the fixed orifices, be equipped with the elastic locating pin that can stretch out to outside the fixed orifices, be equipped with a plurality of locating holes that use rotation axis as the even interval of center annular setting on the terminal surface that the moving part is close to the moving part, be equipped with between rotation axis and the moving part and can load the limit structure of moving part rotation resistance. The invention has the advantages of realizing high-precision processing of the workpiece and lower cost.
Description
Technical Field
The invention relates to a workpiece high-precision clamping and indexing device.
Background
The chinese patent with application number 201520585488.9 discloses a clamping indexing device, which comprises a supporting component, a rotary indexing component and a clamping component, wherein the rotary indexing component comprises a bearing, a rotating seat and an indexing disc, the clamping component comprises a set screw, and the set screw penetrates through a side hole of a bracket to prop against the rotating seat. The scheme discloses a simple clamping indexing device, has the advantage of low cost and good economical efficiency, but the scheme has the following defects: the anti-rotation fixing of the rotating seat is realized through the lateral set screw positioned on the rotating seat, but the set screw can apply radial force to the rotating seat, so that the precision of the radial position of the workpiece fixed on the rotating seat is not high, and the machining precision is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a workpiece high-precision clamping indexing device which is low in cost and can clamp a workpiece with high precision.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a work piece high accuracy clamping indexing means, includes the mounting and uses the rotation axis to rotate the moving part that is fixed in on the mounting as the center, be equipped with the clamping subassembly that is used for clamping the work piece on the terminal surface that the moving part kept away from the mounting, the moving part is fixed with the coaxial rotation axis with the rotation axis, the mounting has along the mating hole that the rotation axis extends, the rotation axis is located in the mating hole, the terminal surface department that the moving part is close to the moving part is equipped with the fixed orifices, be equipped with the elastic locating pin that can stretch out to outside the fixed in the fixed orifices, be equipped with a plurality of locating holes that use the rotation axis as the even interval of center setting on the terminal surface that the moving part is close to the moving part, the distance between elastic locating pin and rotation axis is the same with the distance between locating hole and the rotation axis, be equipped with between rotation axis and the moving part and can load the limit structure of moving part rotation resistance.
When the device is used, the workpiece is clamped and fixed through the clamping assembly, then the workpiece is machined, when other positions of the workpiece are required to be machined, the restriction of the restriction structure on the movable part is released, then the rotation of the movable part is carried out, so that the elastic locating pin moves into the other locating hole, then the position of the movable part is restricted, the movable part moves along the side of the rotation axis through the restriction structure, so that the movable part is subjected to axial pressure, the rotation of the movable part is restricted, and the workpiece is positioned and fixed again so as to be convenient to machine. The invention can realize the indexing rotation of the workpiece, the movable part is not stressed radially, the radial position of the workpiece can not move, the concentricity of each processing position of the workpiece is higher, and the high-precision processing of the workpiece can be realized. The invention adopts the positioning hole and the elastic positioning pin to realize the rotation of the movable part at a fixed angle, and the cost is lower.
Preferably, the limiting structure comprises a tightening handle and a fixed block, the tightening handle is movably connected with the fixed piece, the fixed block is arranged on the rotating shaft, the tightening handle comprises a limiting part sleeved on the rotating shaft, and the tightening handle moves to enable the limiting part to axially move along the rotating shaft and abut against the fixed block, so that the rotating resistance of the movable piece during rotation is increased. The limiting part is sleeved on the rotating shaft, the fixed block is arranged on the rotating shaft, and when the limiting part is abutted with the fixed block, the movable part is axially stressed, so that the movable part can be prevented from moving radially while limiting the rotation of the movable part, and the clamping and fixing effects of the workpiece are ensured. The movable piece can be loosened and tightened only by rotating the loosening and tightening handle, so that the movable piece is more convenient to use and lower in cost.
Preferably, the fixing piece comprises a first matching part extending towards a direction far away from the movable piece, an external thread structure is formed on the outer wall of the first matching part, the elastic handle is provided with a second matching part sleeved outside the first matching part, and an internal thread structure matched with the external thread structure is arranged on the inner wall of the second matching part. The movement of the limiting part can be realized by rotating the elastic handle, so that the abutting connection between the limiting part and the fixed block is realized.
Preferably, the elastic handle comprises a handle body, a connecting part and a limiting part, one end of the handle body is hinged with the fixing part, the opposite ends of the connecting part are respectively hinged with the handle body and the limiting part, and the handle body rotates relative to the fixing part to adjust the position of the limiting part on the rotating shaft. The elastic handle is provided with a connecting rod structure similar to a quick clamp mode, and the handle body rotates to realize axial movement of the limiting part, so that the fixed block is tightly pressed.
Preferably, the elastic handle is located between the movable member and the fixed block. When the limiting part of the elastic handle abuts against the fixed block, the movable part moves along the axial direction and contacts with the fixed part, and along with the continuous movement of the elastic handle, the end face of the movable part abuts against the end face of the fixed part so as to further limit the rotation of the movable part relative to the fixed part.
Preferably, a plane bearing is arranged between the elastic handle and the fixed block. By providing a planar bearing, the moveable member is easier to rotate after the release grip is released.
Preferably, the fixed block is in threaded engagement with the rotating shaft. The friction resistance between the limiting part and the fixed block can be adjusted by adjusting the position of the fixed block, so that the rotating tightness of the movable part can be adjusted.
Preferably, a rotary handle is fixed to the side surface of the movable member. The rotating handle is arranged on the movable part side, so that a user can conveniently operate the movable part to rotate.
The invention has the advantages of realizing high-precision processing of the workpiece and lower cost.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the limiting structure of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of the limiting structure of embodiment 2 of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and specific embodiments.
Example 1
As shown in fig. 1 and 2, the high-precision workpiece clamping and indexing device of the invention comprises a fixed part 1 and a movable part 2 which is rotatably supported and fixed on the upper side of the fixed part 1 by taking a rotation axis as a center, wherein a clamping component 3 for clamping a workpiece is arranged on the upper end surface of the movable part 2, and the clamping component 3 in the embodiment is any chuck clamping jaw in the prior art.
The lower side of the movable part 2 is fixed with a rotating shaft 21 which is coaxial with the rotating axis and extends downwards, the fixed part 1 is provided with a matching hole which extends along the rotating axis and penetrates through, the rotating shaft 21 is positioned in the matching hole, the upper end face of the fixed part 1 is provided with a fixing hole, the fixing hole is internally provided with an elastic locating pin 4 which can extend out of the fixing, the lower end face of the movable part 2 is provided with a plurality of locating holes 20 which are annularly and uniformly arranged at intervals by taking the rotating axis as the center, the distance between the elastic locating pin 4 and the rotating shaft is the same as the distance between the locating hole and the rotating shaft, and a limiting structure 5 which is used for enabling the movable part 2 to axially move and loading the rotating resistance of the movable part 2 is arranged between the rotating shaft 21 and the fixed part 1.
The limiting structure comprises an elastic handle 51 and a fixed block 52, the elastic handle 51 is movably connected with the fixed piece 1, the fixed block 52 is arranged on the rotating shaft 21, the elastic handle 51 comprises a limiting part 511 sleeved on the rotating shaft 21, and the elastic handle 51 moves to enable the limiting part 511 to axially move along the rotating shaft 21 and abut against the fixed block 52, so that the rotating resistance of the movable piece 2 during rotation is increased.
The fixing member 1 includes a first engaging portion 11 extending away from the direction of the movable member, an external thread structure is formed on an outer wall of the first engaging portion 11, the elastic handle 51 has a second engaging portion 512 sleeved outside the first engaging portion 11, and an internal thread structure engaged with the external thread structure is formed on an inner wall of the second engaging portion 512.
The elastic handle 51 is located between the movable member 2 and the fixed block 52, a plane bearing 53 is arranged between the elastic handle 51 and the fixed block 52, the fixed block 52 is nut-shaped and is in threaded fit with the rotating shaft 21, and the rotating handle 10 is fixed on the side surface of the movable member 1.
Example 2
As shown in fig. 3, the elastic handle 51 includes a handle body 513, a connecting portion 514 and a limiting portion 511, one end of the handle body 513 is hinged to the fixing member 1, opposite ends of the connecting portion 514 are respectively hinged to the handle body 513 and the limiting portion 511, and the handle body 513 rotates relative to the fixing member 1 to adjust the position of the limiting portion 511 on the rotating shaft 21.
The invention has the advantages of realizing high-precision processing of the workpiece and lower cost.
Claims (4)
1. The workpiece high-precision clamping indexing device is characterized by comprising a fixed part and a movable part which is rotationally fixed on the fixed part by taking a rotation axis as a center, wherein a clamping assembly for clamping a workpiece is arranged on the end surface of the movable part, which is far away from the fixed part, a rotating shaft which is coaxial with the rotation axis is fixed on the movable part, the fixed part is provided with a matching hole which extends along the rotation axis, the rotating shaft is positioned in the matching hole, a fixed hole is arranged at the end surface of the fixed part, which is close to the movable part, an elastic locating pin which can extend out of the fixed hole is arranged in the fixed hole, a plurality of locating holes which are annularly and uniformly arranged at intervals by taking the rotation axis as a center are arranged on the end surface of the movable part, which is close to the fixed part, the distance between the elastic locating pin and the locating hole is the same as the distance between the locating hole and the rotating shaft, and a limiting structure which is used for enabling the movable part to axially move and loading the rotation resistance of the movable part is arranged between the rotating shaft and the fixed part;
The limiting structure comprises a tightening handle and a fixed block, the tightening handle is movably connected with the fixed block, the fixed block is arranged on the rotating shaft, the tightening handle comprises a handle body, a connecting portion and a limiting portion sleeved on the rotating shaft, one end of the handle body is hinged with the fixed block, the opposite ends of the connecting portion are respectively hinged with the handle body and the limiting portion, and the tightening handle is movable to enable the limiting portion to axially move along the rotating shaft and abut against the fixed block, so that the rotating resistance of the movable piece during rotation is increased.
2. The high precision clamping and indexing device for a workpiece according to claim 1, wherein the tightening handle is located between the movable member and the fixed block.
3. The high-precision workpiece clamping and indexing device according to claim 1, wherein the fixed block is in threaded fit with the rotating shaft.
4. The high-precision workpiece clamping and indexing device according to claim 1, wherein a rotary handle is fixed on the side surface of the movable part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111147164.3A CN113814756B (en) | 2021-09-29 | 2021-09-29 | Workpiece high-precision clamping and indexing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111147164.3A CN113814756B (en) | 2021-09-29 | 2021-09-29 | Workpiece high-precision clamping and indexing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113814756A CN113814756A (en) | 2021-12-21 |
| CN113814756B true CN113814756B (en) | 2024-05-14 |
Family
ID=78915868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111147164.3A Active CN113814756B (en) | 2021-09-29 | 2021-09-29 | Workpiece high-precision clamping and indexing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113814756B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659316A (en) * | 2012-09-25 | 2014-03-26 | 珠海格力电器股份有限公司 | Rotating clamp and lathe with the same |
| CN204976082U (en) * | 2015-08-06 | 2016-01-20 | 浙江师范大学 | Quick clamping ring flange index hole adds clamping apparatus |
| CN105443951A (en) * | 2015-12-15 | 2016-03-30 | 重庆触视科技有限公司 | Jacking device for adjusting projector |
| CN105710720A (en) * | 2016-04-01 | 2016-06-29 | 中航飞机股份有限公司西安飞机分公司 | Milling clamp for hexagonal structure and using method |
| CN106670852A (en) * | 2017-01-20 | 2017-05-17 | 浙江大学 | Internal supporting and supporting taper adjustable fixture for machine tool |
| CN107052405A (en) * | 2017-05-24 | 2017-08-18 | 国营第六六厂 | A kind of high-precision high-efficiency overturns drilling clamp |
| CN107350853A (en) * | 2017-09-05 | 2017-11-17 | 南通理工学院 | Clamping device is used in a kind of CNC milling machine |
| CN208811713U (en) * | 2018-10-10 | 2019-05-03 | 深圳市精钻智能制造有限公司 | Indexing device is used in a kind of machining |
| CN209305454U (en) * | 2019-01-14 | 2019-08-27 | 临沂市祥云金属制品有限公司 | A kind of buckle-type cargo supports bar |
| CN212286735U (en) * | 2020-04-15 | 2021-01-05 | 东莞市普华精密机械有限公司 | Machining device with adjustable indexing and changeable angle |
-
2021
- 2021-09-29 CN CN202111147164.3A patent/CN113814756B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659316A (en) * | 2012-09-25 | 2014-03-26 | 珠海格力电器股份有限公司 | Rotating clamp and lathe with the same |
| CN204976082U (en) * | 2015-08-06 | 2016-01-20 | 浙江师范大学 | Quick clamping ring flange index hole adds clamping apparatus |
| CN105443951A (en) * | 2015-12-15 | 2016-03-30 | 重庆触视科技有限公司 | Jacking device for adjusting projector |
| CN105710720A (en) * | 2016-04-01 | 2016-06-29 | 中航飞机股份有限公司西安飞机分公司 | Milling clamp for hexagonal structure and using method |
| CN106670852A (en) * | 2017-01-20 | 2017-05-17 | 浙江大学 | Internal supporting and supporting taper adjustable fixture for machine tool |
| CN107052405A (en) * | 2017-05-24 | 2017-08-18 | 国营第六六厂 | A kind of high-precision high-efficiency overturns drilling clamp |
| CN107350853A (en) * | 2017-09-05 | 2017-11-17 | 南通理工学院 | Clamping device is used in a kind of CNC milling machine |
| CN208811713U (en) * | 2018-10-10 | 2019-05-03 | 深圳市精钻智能制造有限公司 | Indexing device is used in a kind of machining |
| CN209305454U (en) * | 2019-01-14 | 2019-08-27 | 临沂市祥云金属制品有限公司 | A kind of buckle-type cargo supports bar |
| CN212286735U (en) * | 2020-04-15 | 2021-01-05 | 东莞市普华精密机械有限公司 | Machining device with adjustable indexing and changeable angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113814756A (en) | 2021-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209902678U (en) | Auxiliary supporting device for processing cylindrical thin-wall parts | |
| CN218135042U (en) | Aluminum cylinder numerical control machining internal stay clamp | |
| CN113814756B (en) | Workpiece high-precision clamping and indexing device | |
| CN108237437B (en) | Clamp capable of rotating indexing | |
| CN103752961A (en) | High-precision rotary electric spark machining orifice back tapering mechanism | |
| CN108406397B (en) | Clamp for connecting annular groove of angular contact ball bearing outer ring lathe | |
| CN216327572U (en) | Positioning device for end face grinding | |
| CN212735035U (en) | Piston rod end face hole machining tool | |
| CN205968249U (en) | A modular fixture for wall thickness is less than 2mm casing | |
| CN213054294U (en) | Clamp for simultaneously grinding center holes at two ends of shaft part | |
| CN114749969A (en) | Conical thin-wall part tool and positioning method | |
| CN211661523U (en) | Thin-wall sleeve machining clamp | |
| JP2017213635A (en) | Chuck device and work chucking method | |
| CN219379877U (en) | Length fixing device for forward pushing type collet chuck | |
| CN110449616A (en) | A kind of Internal hole positioning workpiece and the device of swelling | |
| CN220030793U (en) | Manual expansion type clamp | |
| CN220783064U (en) | Output shaft adds clamping apparatus | |
| CN209614887U (en) | A kind of wedge-type wheel cylinder cylinder body both ends boring technological equipment | |
| CN210335241U (en) | Eccentric cover anchor clamps of numerical control dividing head | |
| CN219967651U (en) | Locking mechanism | |
| CN219852176U (en) | Be used for flat roller material clamping device of double-end | |
| CN211939078U (en) | Two-in-one device of centre and drill chuck | |
| CN216542713U (en) | Sleeve hole grinding fixture device | |
| CN207289481U (en) | A kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle | |
| CN219504509U (en) | Clamp for grinding outer circle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |