CN206185533U - Clamping device of perforated plate - Google Patents
Clamping device of perforated plate Download PDFInfo
- Publication number
- CN206185533U CN206185533U CN201621215386.9U CN201621215386U CN206185533U CN 206185533 U CN206185533 U CN 206185533U CN 201621215386 U CN201621215386 U CN 201621215386U CN 206185533 U CN206185533 U CN 206185533U
- Authority
- CN
- China
- Prior art keywords
- porous plate
- clamping device
- compact heap
- hole
- expansion sleeve
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to the technical field of machining construction installation equipment, the utility model discloses a clamping device of perforated plate, it has a plurality of through -holes to open on the perforated plate, the perforated plate is settled on table surface, clamping device is many covers, every set of clamping device is including the tight cover that expands, compact heap and hexagon socket head cap screw, expand tight cover including two semi -ring covers, the tight hole that overlaps that expands is the bell mouth, the compact heap is the toper piece, the hole of compact heap is the shoulder hole, the tight cover that expands sets up in of perforated plate downtheholely, the compact heap sets up in the tight cover that expands downtheholely, the male cone (strobilus masculinus) of compact heap and the interior cone combined with of the tight cover that expands, hexagon socket head cap screw passes the shoulder hole and the fastening of the screw on the table surface of compact heap, the inside and outside cone combined with of the compact heap and the tight cover that expands is fixed with the through -hole of perforated plate, hexagon socket head cap screw's top degree is located under the upper surface of perforated plate. The utility model discloses a clamping device is not interfered with the upper surface production of perforated plate, can directly carry out cutting process to the upper surface.
Description
Technical field
The utility model belongs to machining tooling device technical field, particularly a kind of clamping device of porous plate.
Background technology
Referring to accompanying drawing 1, in nuclear power projects, lower core plate is a porous plate parts, and its thickness is much smaller than its diameter,
Thickness only has the 1/50 to 1/30 of diameter, and actual diameter is Φ 3385mm, and thickness is 44.45mm.Therefore, surface is being carried out to it
During machining, the problem for running into is clamping problem.
Referring to accompanying drawing 2, existing installation way is, using the through hole on porous plate 1, part to be determined using presser device
Position, clamping.Porous plate 1 is positioned on work top 2, pressing plate 3 is set above the through hole of porous plate 1, in pressing plate 3 and work
Porous plate 1 is locked by dowel screw 4 and nut 5 between table top 2.
This installation way carries out stress locking by the upper surface of porous plate, in the porous plate surface of turning, due to receiving
To the interference of pressing plate, press plate position is exchanged repeatedly, one plane of turning need to exchange number of times at least three times, operate complex.
In addition, in dismounting pressing plate every time, the plane stress release of porous plate can be deformed, and be unfavorable for follow-up
Processing, flatness is relatively inaccessible to drawing requirement after processing.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of clamping device of porous plate, by turning device,
Porous plate parts is obtained preferably positioning, and facilitate the turnery processing of porous plate plane.
The utility model is adopted the technical scheme that：
A kind of clamping device of porous plate, it is characterized in that, some through holes are provided with the porous plate 1, the porous plate 1 is pacified
It is placed on work top 2, the clamping device is many sets, often covering clamping device includes expansion sleeve 6, compact heap 7 and interior hexagonal spiral shell
Bolt 8, the expansion sleeve 6 includes two and half ring sets 9, the through hole internal diameter of the external diameter less than the porous plate 1 of the expansion sleeve 6, institute
The endoporus of expansion sleeve 6 is stated for bellmouth, the compact heap 7 is circular cone, and the endoporus of the compact heap 7 is shoulder hole, described swollen
The thickness of the height less than the porous plate 1 of tight set 6, compact heap 7, the expansion sleeve 6 is arranged at a hole of the porous plate 1
Interior, the compact heap 7 is arranged in the endoporus of the expansion sleeve 6, the male cone (strobilus masculinus) of the compact heap 7 and the inner conical surface of expansion sleeve 6
Coordinate, the hexagon socket head cap screw 8 is fastened through the shoulder hole of the compact heap 7 with the screw on work top 2, the compact heap
7 and the inside and outside cone match of expansion sleeve 6 through hole of the porous plate 1 is fixed, the top degree of the hexagon socket head cap screw 8 is located at described
Under the upper surface of porous plate 1.
Further, the ratio between the radial dimension of the porous plate 1 and thickness are 50：1 to 80：1.
Further, the porous plate 1 is circular slab, and a diameter of 3000mm-4000mm, thickness is 40mm to 50mm, described
Through-hole diameter on porous plate 1 is 50mm-80mm.
Further, the difference of the through-hole aperture of the external diameter of the expansion sleeve 6 and the porous plate 1 is not more than 2mm, the swelling
Height after set 6, compact heap 7 and hexagon socket head cap screw 8 are installed is located at the upper surface of the porous plate 1 lower section at least 8mm.
Further, the cone angle of the male cone (strobilus masculinus) of the inner conical surface of the expansion sleeve 6 and compact heap 7 is 12 ° -16 °.
Further, the shoulder hole of the compact heap 7 is slotted hole.
Further, cover the clamping device on multiple through holes of the porous plate 1, the multiple through hole is in circle more
Shape is arranged on the porous plate 1.
Further, the multiple through hole is presented multiple concentric circles 10 and arranges.
Further, it is coated with lubricant between the expansion sleeve 6 and compact heap 7.
Further, stainless steel inserted sheet is plugged between the through hole of the expansion sleeve 6 and porous plate 1.
The beneficial effects of the utility model are：
（1）Clamping device does not produce interference with the upper surface of porous plate, directly can carry out machining to upper surface；
（2）Clamping position rationally, will not produce cutting stress；
（3）The operation for exchanging pressing plate is reduced, cost of labor is saved.
Brief description of the drawings
Accompanying drawing 1 is the through hole arrangement schematic diagram of porous plate；
Accompanying drawing 2 is existing clamping device structural representation in the art；
Accompanying drawing 3 is clamping device structural representation of the present utility model；
Accompanying drawing 4 is clamping device top view of the present utility model；
Accompanying drawing 5 is the position view of clamping device clamping porous plate of the present utility model.
Label in accompanying drawing is respectively：
1. porous plate；2. work top；
3. pressing plate；4. dowel screw；
5. nut；6. expansion sleeve；
7. compact heap；8. hexagon socket head cap screw；
9. half ring set；10. concentric circles.
Specific embodiment
Below in conjunction with the accompanying drawings to the large-scale plate parts turning device of the utility model and the specific embodiment of method for turning
Elaborate.
Referring to accompanying drawing 1, the utility model is used for the clamping of porous plate 1, and the ratio between the radial dimension of porous plate 1 and thickness are
50：1 to 80：1.Porous plate 1 not limit shape and hole site size.Porous plate 1 in figure is plectane, a diameter of 3000mm-
4000mm, thickness is 40mm to 50mm, and the through-hole diameter on porous plate 1 is 50mm-80mm.
Referring to accompanying drawing 3,4, the clamping device of porous plate 1 is used to for porous plate 1 to be clamped in work top 2, by many sets
Clamping device is realized being fastened in the through hole of porous plate 1.Often set clamping device includes expansion sleeve 6, compact heap 7 and interior hexagonal
Bolt 8, expansion sleeve 6 includes two and half ring sets 9, the through hole internal diameter of the external diameter less than porous plate 1 of expansion sleeve 6, the endoporus of expansion sleeve 6
It is bellmouth, compact heap 7 is circular cone, and the endoporus of compact heap 7 is shoulder hole, in order to more preferably match somebody with somebody with the screw on work top 2
Close, shoulder hole is set to slotted hole, while also compact heap 7 can be arranged into oblong shape.
The thickness of the height less than porous plate 1 of expansion sleeve 6, compact heap 7, expansion sleeve 6 is arranged at a hole of porous plate 1
Interior, compact heap 7 is arranged in the endoporus of expansion sleeve 6, and the male cone (strobilus masculinus) of compact heap 7 coordinates with the inner conical surface of expansion sleeve 6, interior hexagonal spiral shell
Bolt 8 is fastened through the shoulder hole of compact heap 7 with the screw on work top 2, the inside and outside cone match of compact heap 7 and expansion sleeve 6
The through hole of porous plate 1 is fixed, the top degree of hexagon socket head cap screw 8 is located under the upper surface of porous plate 1.
The difference of the external diameter of expansion sleeve 6 and the through-hole aperture of porous plate 1 is not more than 2mm, expansion sleeve 6, compact heap 7 and interior hexagonal
Height after bolt 8 is installed is located at the upper surface of porous plate 1 lower section at least 8mm.The inner conical surface of expansion sleeve 6 and the outer cone of compact heap 7
The cone angle in face is 12 ° -16 °.
Referring to accompanying drawing 5, clamping device in fixed porous plate 1, on multiple through holes of porous plate 1, multiple through holes
It is rounded to be arranged on porous plate 1, one or more circular distributions can be formed, it is to form three concentric circles 10 to be distributed in figure.
Black round dot in figure represents the position of clamping device.
The applicable part material of clamping device of the present utility model is not limited, and can be carbon steel or stainless steel material, can be in workpiece
Roughing or finishing stage be clamped operation.Suitable for various manufacturing procedures.Suitable for various diameters and thickness, to big
Diameter, sheet parts are better.The cylindrical of clamping device expansion sleeve should be set by the effective aperture of workpiece through-hole, thickness of slab
Meter, is equally applicable to square hole or other regular endoporus.Clamping device typically uses carbon steel material, when device is used in stainless steel
During part, to meet anticorrosion requirement, should be separated with stainless steel thin slice at expansion sleeve with porous plate endoporus contact surface.
The above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art
Member, on the premise of the utility model principle is not departed from, can also make some improvements and modifications, and these improvements and modifications also should
It is considered as protection domain of the present utility model.
Claims (10)
1. a kind of clamping device of porous plate, it is characterised in that：The porous plate（1）On be provided with some through holes, the porous plate
（1）It is placed in work top（2）On, the clamping device is many sets, and often covering clamping device includes expansion sleeve（6）, compact heap（7）
And hexagon socket head cap screw（8）, the expansion sleeve（6）Including two and half ring sets（9）, the expansion sleeve（6）External diameter less than described many
Orifice plate（1）Through hole internal diameter, the expansion sleeve（6）Endoporus be bellmouth, the compact heap（7）It is circular cone, the compression
Block（7）Endoporus be shoulder hole, the expansion sleeve（6）, compact heap（7）Height be less than the porous plate（1）Thickness, it is described
Expansion sleeve（6）It is arranged at the porous plate（1）A hole in, the compact heap（7）It is arranged at the expansion sleeve（6）Endoporus
It is interior, the compact heap（7）Male cone (strobilus masculinus) and expansion sleeve（6）Inner conical surface coordinate, the hexagon socket head cap screw（8）Through the compression
Block（7）Shoulder hole and work top（2）On screw fastening, the compact heap（7）And expansion sleeve（6）Inside and outside cone match
By the porous plate（1）Through hole fix, the hexagon socket head cap screw（8）Top degree be located at the porous plate（1）Upper surface it
Under.
2. the clamping device of porous plate according to claim 1, its feature exists：The porous plate（1）Radial dimension with
The ratio between thickness is 50：1 to 80：1.
3. the clamping device of porous plate according to claim 2, its feature exists：The porous plate（1）It is circular slab, diameter
It is 3000mm-4000mm, thickness is 40mm to 50mm, the porous plate（1）On through-hole diameter be 50mm-80mm.
4. the clamping device of porous plate according to any one of claim 1 to 3, its feature exists：The expansion sleeve（6）'s
External diameter and the porous plate（1）The difference of through-hole aperture be not more than 2mm, the expansion sleeve（6）, compact heap（7）With interior hexagonal spiral shell
Bolt（8）Height after installation is located at the porous plate（1）Upper surface lower section at least 8mm.
5. the clamping device of porous plate according to any one of claim 1 to 3, its feature exists：The expansion sleeve（6）'s
Inner conical surface and compact heap（7）Male cone (strobilus masculinus) cone angle be 12 ° -16 °.
6. the clamping device of porous plate according to any one of claim 1 to 3, its feature exists：The compact heap（7）'s
Shoulder hole is slotted hole.
7. the clamping device of porous plate according to any one of claim 1 to 3, its feature exists：Described clamping is covered to fill more
Put installed in the porous plate（1）Multiple through holes on, the multiple through hole is rounded to be arranged in the porous plate（1）On.
8. the clamping device of porous plate according to claim 7, its feature exists：The multiple through hole is presented multiple concentric circles
（10）Arrangement.
9. the clamping device of porous plate according to any one of claim 1 to 3, its feature exists：In the expansion sleeve（6）
With compact heap（7）Between be coated with lubricant.
10. the clamping device of porous plate according to any one of claim 1 to 3, its feature exists：In the expansion sleeve
（6）With porous plate（1）Through hole between plug stainless steel inserted sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215386.9U CN206185533U (en) | 2016-11-11 | 2016-11-11 | Clamping device of perforated plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215386.9U CN206185533U (en) | 2016-11-11 | 2016-11-11 | Clamping device of perforated plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206185533U true CN206185533U (en) | 2017-05-24 |
Family
ID=58734714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621215386.9U Withdrawn - After Issue CN206185533U (en) | 2016-11-11 | 2016-11-11 | Clamping device of perforated plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206185533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346276B (en) * | 2016-11-11 | 2018-08-24 | 上海第一机床厂有限公司 | The clamping device of porous plate |
-
2016
- 2016-11-11 CN CN201621215386.9U patent/CN206185533U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346276B (en) * | 2016-11-11 | 2018-08-24 | 上海第一机床厂有限公司 | The clamping device of porous plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20180824 |