CN107774902A - A kind of high-precision sand casting wooden model positioner - Google Patents
A kind of high-precision sand casting wooden model positioner Download PDFInfo
- Publication number
- CN107774902A CN107774902A CN201610714310.9A CN201610714310A CN107774902A CN 107774902 A CN107774902 A CN 107774902A CN 201610714310 A CN201610714310 A CN 201610714310A CN 107774902 A CN107774902 A CN 107774902A
- Authority
- CN
- China
- Prior art keywords
- steel
- abutment sleeve
- chamfering
- sand casting
- wooden model
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The present invention provides a kind of high-precision sand casting wooden model positioner, including convex sidepiece part and concave side part, its convex sidepiece part is followed closely for steel drive pin, and concave side part is that the endoporus face of cylinder of the small cylindrical surface and steel abutment sleeve of steel abutment sleeve steel drive pins nail matches.There is annular knurl on the big face of cylinder of described steel drive pin nail, there is a chamfering upper end, play the guiding role during assembling, there is chamfering small column lower end.There is annular knurl on described steel abutment sleeve external cylindrical surface, lower end outside has chamfering, and there is chamfering endoporus upper end.The shop bolt and abutment sleeve of the present invention is manufactured using steel, and hardness and intensity are high, when it rubs and collided in use, it is not easy to wear with damage；Shop bolt and abutment sleeve are process using precision machine tool, and precision is high；This positioner cost is low, has good application value.
Description
Technical field
The present invention relates to a kind of sand casting wooden model positioner, particularly a kind of high-precision sand casting is determined with wooden model
Position device, in particular to for the pinpoint positioner of sand casting wooden model.
Background technology
At present, sand casting mould mainly has wooden model and metal pattern, and because the metal pattern manufacturing cycle is grown, cost is high, no
Easily change, therefore, is only applicable to relatively produce in enormous quantities.Wooden model is generally used in single-piece, small lot production.
The positioner for being presently used for the positioning of sand casting wooden model is formed using wooden dovetail key and dovetail groove
Positioner.Wooden dovetail key and dovetail groove are made by hand by carpenter, and precision is relatively low, and in use, often occur
Friction and collision, because the hardness of wood and intensity are relatively low, it is easy to cause to wear and damage, reduce its positioning precision.Therefore, it is wooden
The positioner positioning precision and life-span of matter dovetail key and dovetail groove composition are relatively low.
The content of the invention
Present invention aim to provide a kind of high-precision sand casting wooden model positioner, simultaneously.It is not easy to wear
With damage.
The technical scheme is that：The present invention high-precision sand casting with wooden model positioner include convex sidepiece part and
Concave side part, its convex sidepiece part are followed closely for steel drive pin, and concave side part is the small column of steel abutment sleeve steel drive pins nail
Face and the endoporus face of cylinder of steel abutment sleeve match.
There is annular knurl on the big face of cylinder of described steel drive pin nail, there is a chamfering upper end, play the guiding role during assembling, roundlet
There is chamfering post lower end.
There is annular knurl on described steel abutment sleeve external cylindrical surface, lower end outside has chamfering, and there is chamfering endoporus upper end.
Gap between the described small cylindrical surface of steel drive pin nail and the endoporus face of cylinder of steel abutment sleeve is
0.08±0.02mm。
Advantages of the present invention shows the following aspects：Designed shop bolt and abutment sleeve use steel system
Make, hardness and intensity are high, when it rubs and collide in use, it is not easy to wear with damage；Shop bolt and positioning
Sleeve is process using precision machine tool, and precision is high；This positioner cost is low, has good application value.
Brief description of the drawings
Fig. 1 is the structural representation of the sand casting wooden model positioner of the present invention.
Fig. 2 is the working state schematic representation of positioner shown in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
Such as Fig. 1：Sand casting shown in figure includes convex sidepiece part and concave side part with wooden model positioner, and convex sidepiece part is steel
Shop bolt 1 processed, concave side part are the small cylindrical surface and steel abutment sleeve 2 of the steel drive pin of steel abutment sleeve 2. nail 1
The endoporus face of cylinder matches.
The endoporus face of cylinder precision-fit of the small cylindrical surface and steel abutment sleeve 2 of steel drive pin nail 1, gap 0.08
± 0.02mm, realizes positioning function.
Annular knurl on the big face of cylinder of steel drive pin nail 1, prevent from rotating during assembling use, there is chamfering upper end, assembling
When play the guiding role；There is a chamfering small column lower end, play the guiding role during matched moulds.
There is annular knurl on the described external cylindrical surface of steel abutment sleeve 2, prevent from rotating during assembling use, lower end outside has
Chamfering, it play the guiding role during assembling；There is chamfering endoporus upper end, in opposite direction with the chamfering on the outside of external cylindrical surface, when preventing assembling
Interference.
Such as Fig. 2：During present invention work, first the position of mould 3 and the lower mounting and positioning device of mould 4 is bored on sand casting wooden model
Pilot hole, ensure certain magnitude of interference, steel drive pin nail 1 is pressed into the pilot hole of upper mould 3 by big face of cylinder chamfered end, ensured
Big cylinder is not higher than die joint by die joint end, and steel abutment sleeve 2 is pressed into the assembling of lower mould 4 by external cylindrical surface chamfered end
Hole, ensure to be not higher than die joint by die joint end.
During matched moulds, steel drive pin is followed closely 1 small column importing steel by the chamfering that 1 small column front end is followed closely by steel drive pin
The endoporus of abutment sleeve 2, the endoporus face of cylinder precision-fit of the small cylindrical surface and steel abutment sleeve 2 of steel drive pin nail 1, from
And realize being accurately positioned for mould 3 and lower mould 4 on sand casting wooden model.The sand casting of design wooden model positioner, by steel
Alignment pin and steel abutment sleeve composition processed, passes through the endoporus face of cylinder of the small cylindrical surface and steel abutment sleeve of steel drive pin
Coordinate to realize positioning.
Claims (4)
1. a kind of high-precision sand casting wooden model positioner, including convex sidepiece part and concave side part, it is characterised in that：Convex side
Part is followed closely for steel drive pin（1）, concave side part is steel abutment sleeve（2）, steel drive pin nail（1）Small cylindrical surface and steel
Abutment sleeve processed（2）The endoporus face of cylinder match.
2. high-precision sand casting wooden model positioner according to claim 1, it is characterised in that：Described steel is determined
Position pin（1）The big face of cylinder on have annular knurl, there is chamfering upper end, and there is chamfering small column lower end.
3. high-precision sand casting wooden model positioner according to claim 1 or 2, it is characterised in that：Described steel
Abutment sleeve processed（2）There is annular knurl on external cylindrical surface, lower end outside has chamfering, and there is chamfering endoporus upper end.
4. high-precision sand casting wooden model positioner according to claim 1 or 2, it is characterised in that：Steel positions
Pin（1）Small cylindrical surface and steel abutment sleeve（2）The endoporus face of cylinder between gap be 0.08 ± 0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714310.9A CN107774902A (en) | 2016-08-25 | 2016-08-25 | A kind of high-precision sand casting wooden model positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714310.9A CN107774902A (en) | 2016-08-25 | 2016-08-25 | A kind of high-precision sand casting wooden model positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107774902A true CN107774902A (en) | 2018-03-09 |
Family
ID=61388082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610714310.9A Pending CN107774902A (en) | 2016-08-25 | 2016-08-25 | A kind of high-precision sand casting wooden model positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107774902A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653344A (en) * | 2019-11-13 | 2020-01-07 | 安徽应流集团霍山铸造有限公司 | Pre-buried in extension positioning die assembly device of sand mould |
-
2016
- 2016-08-25 CN CN201610714310.9A patent/CN107774902A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653344A (en) * | 2019-11-13 | 2020-01-07 | 安徽应流集团霍山铸造有限公司 | Pre-buried in extension positioning die assembly device of sand mould |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202239981U (en) | Fixture for processing crowned-tooth gear | |
| CN102501020A (en) | Method for machining separated type outer ring of small and medium-sized thin-wall crossed cylindrical roller turntable bearing | |
| CN103737123A (en) | Gear shaving tool | |
| CN104191283A (en) | Inner-hole positioning and clamping device | |
| CN105904242A (en) | Device and method for machining inclined hole in cylindrical surface of piston | |
| CN107774902A (en) | A kind of high-precision sand casting wooden model positioner | |
| CN203245341U (en) | Split type sand box positioning device used for precise sand mold casting | |
| CN105290746A (en) | Car swing arm shaft processing process | |
| CN205685055U (en) | A kind of rapid expanding positioning and clamping system | |
| CN202114498U (en) | Special tooling for four counter-sinking holes of flange yoke | |
| CN203281956U (en) | Cylindrical surface chamfering fixture | |
| CN203918591U (en) | Automatic clamping fixture | |
| CN111299967A (en) | Processing method of metal spiral rib | |
| CN203184579U (en) | Wood mold positioning device applied to high-precision sand mold casting | |
| CN205147857U (en) | Milling machine jig | |
| CN203875370U (en) | Splined hub lathing clamp | |
| CN203031337U (en) | Piston fixture for machining inner pin hole of piston | |
| CN203019084U (en) | High-accuracy plate wheel turning machining tool | |
| CN102581329B (en) | Machining method for basic holes of lock shell type parts | |
| CN105927643A (en) | Locating pin and processing technology | |
| CN206343945U (en) | Bore positioning hole tool | |
| CN204711624U (en) | Train registration arm boring and milling mold | |
| CN107052869A (en) | Bore positioning hole tool | |
| CN110681928A (en) | Part grinding quick-change clamp and grinding method | |
| CN204136045U (en) | A kind of easy curved surface chalker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |