CN108225275B - Image appearance work piece expands and fastens mechanism - Google Patents
Image appearance work piece expands and fastens mechanism Download PDFInfo
- Publication number
- CN108225275B CN108225275B CN201810017076.3A CN201810017076A CN108225275B CN 108225275 B CN108225275 B CN 108225275B CN 201810017076 A CN201810017076 A CN 201810017076A CN 108225275 B CN108225275 B CN 108225275B
- Authority
- CN
- China
- Prior art keywords
- expansion
- workpiece
- core fixing
- mandrel
- bottom plate
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Jigs For Machine Tools (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a workpiece expansion fastening mechanism of an imager, which comprises a bottom plate and an air inlet pipe structure connected to the bottom plate; the expansion structure is connected to the bottom plate, is communicated with the air inlet pipe structure and is used for compressing a workpiece; the expansion structure comprises a core fixing sleeve, a mandrel movably connected in the core fixing sleeve and an expansion compressing piece connected between the core fixing sleeve and the mandrel and used for compressing a workpiece; the expansion compressing piece is arranged on the excircle of the core fixing sleeve and the mandrel; one end of the workpiece is placed on the core fixing sleeve with the expansion compressing piece and the mandrel, gas enters through the gas inlet pipe structure, so that the mandrel is pressed by the gas to move downwards and acts together with the core fixing sleeve, the expansion compressing piece is extruded, and the expansion compressing piece expands outwards, so that the workpiece is propped against the inner wall of the workpiece, and the effect of expanding the workpiece is achieved; the clamping device has the advantages of large clamping force, good reliability, small occupied space, wide application range and suitability for clamping special-shaped workpieces.
Description
Technical Field
The invention relates to the technical field of workpiece compression in automatic image measurement, in particular to an image instrument workpiece expansion fastening mechanism with high compression force and capable of expanding a workpiece through an inner hole.
Background
The automatic image measurement is generated based on CCD digital images and depends on the computer screen measurement technology and the powerful software capability of space geometry operation, after the computer is provided with special control and graph measurement software, the computer becomes a measurement brain with software soul, is the main body of the whole equipment, can quickly read the displacement value of an optical ruler, instantly obtains a required result through the software module operation based on space geometry, and generates a graph on a screen for an operator to carry out graph and image comparison, so that the possible deviation of the measurement result can be intuitively distinguished; in automatic image measurement, the pressing mechanism plays a very important role in measurement accuracy; however, for some special parts or special measurement contents, such as clamping and fixing through an inner hole, or measuring coaxiality of two holes, a common pressing mechanism often cannot completely meet the measurement requirement; most of the existing compressing mechanisms are used for carrying out external clamping on parts to be compressed; not only is the cost higher, but also the compacting effect is not ideal for some cylinder parts with irregular shapes and inner holes.
Disclosure of Invention
The invention aims to provide an image instrument workpiece expansion fastening mechanism with high compression force and capable of expanding a workpiece through an inner hole, and the technical problems are solved.
In order to achieve the technical purpose and meet the technical requirements, the invention adopts the technical scheme that: an image instrument workpiece expansion fastening mechanism comprises a bottom plate and an air inlet pipe structure connected to the bottom plate; the method is characterized in that: the expansion structure is connected to the bottom plate, is communicated with the air inlet pipe structure and is used for compressing a workpiece; the expansion structure comprises a core fixing sleeve, a mandrel movably connected in the core fixing sleeve and an expansion compressing piece connected between the core fixing sleeve and the mandrel and used for compressing a workpiece; the expansion pressing piece is arranged on the outer circles of the core fixing sleeve and the mandrel.
As a preferable technical scheme: the bottom plate is also provided with a guiding and positioning structure which is communicated with the air inlet pipe structure and is matched with the expansion structure to position the workpiece.
As a preferable technical scheme: the centering sleeve is also provided with a pin shaft matched with the kidney-shaped groove on the mandrel.
As a preferable technical scheme: the outer circle of the core fixing jacket is of a stepped structure and comprises a small shaft and a large shaft connected to the bottom plate through a bolt.
As a preferable technical scheme: the mandrel comprises a T-shaped shaft, a spring and a gear sleeve which are connected to the T-shaped shaft; an air cavity is formed between the baffle sleeve and the core fixing outer sleeve; the T-shaped shaft is in clearance fit with the core fixing jacket according to normal tolerance.
As a preferable technical scheme: the expansion pressing piece comprises a steel ball connected between the small shaft and the T-shaped shaft and a retainer used for fixing the steel ball; the retainer has elasticity.
As a preferable technical scheme: handles are symmetrically arranged on the bottom plate.
The beneficial effects of the invention are as follows: a work piece expansion fastening mechanism of an imager is compared with the traditional structure: the device comprises an expansion structure which is connected to the bottom plate and communicated with the air inlet pipe structure and is used for compressing a workpiece; the expansion structure comprises a core fixing sleeve, a mandrel movably connected in the core fixing sleeve and an expansion compressing piece connected between the core fixing sleeve and the mandrel and used for compressing a workpiece; the expansion compressing piece is arranged on the excircle of the core fixing sleeve and the mandrel; when in actual use, one end of a workpiece is placed on the core fixing sleeve with the expansion compressing piece and the mandrel, gas enters through the gas inlet pipe structure, so that the mandrel is pressed by the gas to move downwards and acts together with the core fixing sleeve to extrude the expansion compressing piece, so that the expansion compressing piece expands outwards, and is propped against the inner wall of the workpiece, and the purpose of expanding the workpiece is achieved; the clamping device has the advantages of large clamping force, good reliability, small occupied space, wide application range and suitability for clamping special-shaped workpieces.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of the present invention;
in the figure: 1. the novel air inlet pipe comprises a bottom plate, a gas inlet pipe structure, a core fixing sleeve, a core shaft, an expansion pressing piece, a pin shaft, an air cavity, a handle, a waist-shaped groove, a small shaft, a large shaft, a T-shaped shaft, a spring, a gear sleeve, a steel ball and a retainer, wherein the bottom plate, the gas inlet pipe structure, the core fixing sleeve, the core shaft, the expansion pressing piece, the pin shaft, the air cavity, the handle, the waist-shaped groove, the small shaft, the large shaft, the T-shaped shaft, the spring, the gear sleeve, the steel ball and the retainer are arranged in sequence, and the retainer are arranged in sequence.
Detailed Description
The invention is further described below with reference to the accompanying drawings;
in the drawings: the workpiece expansion fastening mechanism of the imager comprises a bottom plate 1 and an air inlet pipe structure 2 connected to the bottom plate 1; the device also comprises an expansion structure which is connected to the bottom plate 1 and communicated with the air inlet pipe structure 2 and is used for pressing the workpiece 101; the expansion structure comprises a core fixing sleeve 3, a mandrel 4 movably connected in the core fixing sleeve 3, and an expansion compressing piece 5 connected between the core fixing sleeve 3 and the mandrel 4 and used for compressing a workpiece 101; the expansion compressing piece 5 is arranged on the outer circles of the core fixing jacket 3 and the mandrel 4; in actual use, one end of a workpiece 101 is placed on a core fixing sleeve 3 and a mandrel 4 with an expansion compressing piece 5 through a bottom plate 1, gas enters through a gas inlet pipe structure 2, so that the mandrel 4 is pressed by the gas to move downwards and acts together with the core fixing sleeve 3, the expansion compressing piece 5 is extruded, and the expansion compressing piece 5 expands outwards, so that the workpiece 101 is propped against the inner wall of the workpiece 101, and the purpose of expanding the workpiece 101 is achieved; the clamping device has the advantages of large clamping force, good reliability, small occupied space, wide application range and suitability for clamping special-shaped workpieces.
In fig. 1 and 2: the bottom plate 1 is also provided with a guiding and positioning structure 103 which is communicated with the air inlet pipe structure 2 and is matched with the expansion structure to position the workpiece 101; in actual use, one end of the workpiece 101 is pressed on the expansion structure, and the other end is supported and positioned by the guide positioning structure 103, so that the dimension of the small hole 102 can be accurately measured.
In fig. 1: the centering sleeve 3 is also provided with a pin shaft 6 matched with the kidney-shaped groove 3-1 on the mandrel 4; the moving distance of the mandrel 4 on the core fixing sleeve 3 is controlled, and the connecting guide function is achieved, so that the reliability is better.
In fig. 1: the outer circle of the core fixing jacket 3 is of a stepped structure and comprises a small shaft 3-2 and a large shaft 3-3 connected to the bottom plate 1 through bolts; the workpiece 101 can be smoothly sleeved on the small shaft 3-2, the lower surface of the workpiece 101 is attached to the large shaft 3-3, and the positioning is more convenient.
In fig. 1: the mandrel 4 comprises a T-shaped shaft 4-1, a spring 4-2 and a gear sleeve 4-3 which are connected to the T-shaped shaft 4-1; an air cavity 7 is formed between the gear sleeve 4-3 and the core fixing outer sleeve 3; the T-shaped shaft 4-1 is in clearance fit with the centering sleeve 3 according to normal tolerance, so that the T-shaped shaft 4-1 can move smoothly; in actual use, an installation space of the expansion compression piece 5 is formed between the T-shaped shaft 4-1 and the small shaft 3-2 as well as between the T-shaped shaft 3-3; the outer diameters of the expansion compressing piece 5, the T-shaped shaft 4-1 and the small shaft 3-2 are smaller than the hole which needs to be expanded on the workpiece 101, so that the workpiece 101 can be smoothly sleeved on the expansion compressing piece 5; the air cavity 7 can also be directly led to the top of the T-shaped shaft 4-1, so that the top of the T-shaped shaft 4-1 is stressed, and the T-shaped shaft 4-1 is pressed down; the spring 4-2 is arranged, the spring 4-2 is in a compressed state, when the workpiece 101 needs to be pressed, the T-shaped shaft 4-1 is pressed down, the spring 4-2 stretches, the elasticity plays a role of resistance, the steel ball 5-1 slowly acts, and the retainer 5-2 slowly expands; when the workpiece 101 needs to be loosened, the T-shaped shaft 4-1 moves upwards, the spring 4-2 compresses, the elastic force plays a role of resistance, the steel ball 5-1 slowly acts, and the retainer 5-2 slowly returns; the reliability of the action is improved, and the action is prevented from being too rapid, and the expansion pressing piece 5 is prevented from being damaged.
In fig. 1: the expansion compressing piece 5 comprises a steel ball 5-1 connected between a small shaft 3-2 and a T-shaped shaft 4-1, and a retainer 5-2 for fixing the steel ball 5-1; the retainer 5-2 has elasticity; through the spherical structure of the steel ball 5-1, the combination of the oblique sides on the T-shaped shaft 4-1 and the small shaft 3-2 ensures that the position of the steel ball 5-1 changes, and the retainer 5-2 is pushed to expand outwards, so that the purpose of expanding the workpiece 101 is achieved, and the elastic retainer 5-2 has better elasticity.
In fig. 1: handles 8 are symmetrically arranged on the bottom plate 1; is convenient to carry and replace.
The above examples are provided for the purpose of clearly illustrating the invention and are not to be construed as limiting the invention, and other variants and modifications of the various forms may be made by those skilled in the art based on the description, which are not intended to be exhaustive of all embodiments, and obvious variants or modifications of the invention may be found within the scope of the invention.
Claims (3)
1. An image instrument workpiece expansion fastening mechanism comprises a bottom plate (1) and an air inlet pipe structure (2) connected to the bottom plate (1); the method is characterized in that: the device also comprises an expansion structure which is connected to the bottom plate (1) and communicated with the air inlet pipe structure (2) and is used for compressing the workpiece (101); the expansion structure comprises a core fixing jacket (3), a mandrel (4) movably connected in the core fixing jacket (3) and an expansion compressing piece (5) connected between the core fixing jacket (3) and the mandrel (4) and used for compressing a workpiece (101); the expansion compressing piece (5) is arranged on the outer circles of the core fixing jacket (3) and the mandrel (4);
the bottom plate (1) is also provided with a guide positioning structure (103) which is communicated with the air inlet pipe structure (2) and is matched with the expansion structure to position the workpiece (101);
the outer circle of the core fixing jacket (3) is of a stepped structure and comprises a small shaft (3-2) and a large shaft (3-3) connected to the bottom plate (1) through bolts;
the mandrel (4) comprises a T-shaped shaft (4-1), a spring (4-2) connected to the T-shaped shaft (4-1) and a gear sleeve (4-3); an air cavity (7) is formed between the gear sleeve (4-3) and the core fixing outer sleeve (3); the T-shaped shaft (4-1) is in clearance fit with the core fixing jacket (3) according to normal tolerance;
the expansion pressing piece (5) comprises a steel ball (5-1) connected between the small shaft (3-2) and the T-shaped shaft (4-1), and a retainer (5-2) for fixing the steel ball (5-1); the retainer (5-2) has elasticity.
2. The workpiece expanding and fastening mechanism of the imager according to claim 1, wherein: the centering sleeve (3) is also provided with a pin shaft (6) matched with the kidney-shaped groove (3-1) on the mandrel (4).
3. The workpiece expanding and fastening mechanism of the imager according to claim 1, wherein: handles (8) are symmetrically arranged on the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017076.3A CN108225275B (en) | 2018-01-09 | 2018-01-09 | Image appearance work piece expands and fastens mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017076.3A CN108225275B (en) | 2018-01-09 | 2018-01-09 | Image appearance work piece expands and fastens mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108225275A CN108225275A (en) | 2018-06-29 |
| CN108225275B true CN108225275B (en) | 2024-03-29 |
Family
ID=62641446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017076.3A Active CN108225275B (en) | 2018-01-09 | 2018-01-09 | Image appearance work piece expands and fastens mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108225275B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000233378A (en) * | 1999-02-16 | 2000-08-29 | Kanto Auto Works Ltd | Workpiece clamping tool |
| WO2002062504A1 (en) * | 2001-02-08 | 2002-08-15 | Gustav Klauke Gmbh | Expansion tool for expanding tube ends and pressing device comprising such an expansion tool |
| DE10117485A1 (en) * | 2001-04-07 | 2002-10-24 | Schunk Gmbh & Co Kg | Clamping device for work pieces in finishing machines has clamp elements loaded into clamping position by elastic ring membrane, and pressure chamber to expand membrane and release membrane |
| CN203235994U (en) * | 2013-04-23 | 2013-10-16 | 南京浩德粉末冶金有限公司 | Novel inner outline pneumatic expansion type clamping device |
| CN206567733U (en) * | 2017-03-06 | 2017-10-20 | 中航湖南通用航空发动机有限公司 | A kind of weld jig |
| CN107538233A (en) * | 2016-06-28 | 2018-01-05 | 成都瑞联汇诚机电设备有限公司 | Special-shaped workpiece clamping device |
| CN207963863U (en) * | 2018-01-09 | 2018-10-12 | 无锡富瑞德测控仪器股份有限公司 | A kind of image instrument workpiece swelling fixed mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6892781B2 (en) * | 2002-05-28 | 2005-05-17 | International Business Machines Corporation | Method and apparatus for application of pressure to a workpiece by thermal expansion |
-
2018
- 2018-01-09 CN CN201810017076.3A patent/CN108225275B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000233378A (en) * | 1999-02-16 | 2000-08-29 | Kanto Auto Works Ltd | Workpiece clamping tool |
| WO2002062504A1 (en) * | 2001-02-08 | 2002-08-15 | Gustav Klauke Gmbh | Expansion tool for expanding tube ends and pressing device comprising such an expansion tool |
| DE10117485A1 (en) * | 2001-04-07 | 2002-10-24 | Schunk Gmbh & Co Kg | Clamping device for work pieces in finishing machines has clamp elements loaded into clamping position by elastic ring membrane, and pressure chamber to expand membrane and release membrane |
| CN203235994U (en) * | 2013-04-23 | 2013-10-16 | 南京浩德粉末冶金有限公司 | Novel inner outline pneumatic expansion type clamping device |
| CN107538233A (en) * | 2016-06-28 | 2018-01-05 | 成都瑞联汇诚机电设备有限公司 | Special-shaped workpiece clamping device |
| CN206567733U (en) * | 2017-03-06 | 2017-10-20 | 中航湖南通用航空发动机有限公司 | A kind of weld jig |
| CN207963863U (en) * | 2018-01-09 | 2018-10-12 | 无锡富瑞德测控仪器股份有限公司 | A kind of image instrument workpiece swelling fixed mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108225275A (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108168488B (en) | Detection apparatus for contact system hole quality | |
| CN109870371B (en) | Creep compression experimental device | |
| CN108534969B (en) | Method for automatically detecting rigidity characteristic of columnar elastic element | |
| CN108161094B (en) | Auxiliary positioning device and hole milling method for wing body butt joint spiral hole milling | |
| CN211102545U (en) | Steel ball formula pressure head structure that floats | |
| CN108225275B (en) | Image appearance work piece expands and fastens mechanism | |
| CN107584156B (en) | Boring machining and positioning method for big head end of engine connecting rod | |
| CN211540151U (en) | Bearing assembly device | |
| US4425715A (en) | Thread gaging apparatus and method | |
| CN106624717A (en) | Automatic pressing tool of retainer ring for constant-speed driving shaft assembly shaft and mistake proofing detection method thereof | |
| CN207662368U (en) | Engine piston protrusion measuring device and system | |
| CN115752155A (en) | Piston displacement measuring device and piston detection method for double-variable plunger pump control mechanism | |
| GB2052065A (en) | Thread Gauging Apparatus And Method | |
| CN210318399U (en) | Kinematic pair capable of converting master and slave movement | |
| CN202928476U (en) | Detection pin assembly used for detecting product surface hole position | |
| CN220806400U (en) | Ball screw pair nut processing location frock | |
| CN207289567U (en) | A kind of hot post-processing recessing fixture of high-precise synchronization device gear ring | |
| CN110425964A (en) | For measuring the detection device of the axial micro clearance of spherical surface coupling part | |
| CN109556846B (en) | Torsion spring test detection tool for weapons | |
| CN221087031U (en) | Positioning device for pipe punching | |
| CN221173330U (en) | Shaft height measuring head capable of loading for speed reducer assembly line | |
| CN220178736U (en) | Mounting fixture is used in piston rod processing | |
| CN214321405U (en) | Oil circuit pipe bending device | |
| CN220380426U (en) | Hole site detects frock | |
| CN114083469B (en) | Zero point locator structure for production assembly line |
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 |