CN109202015A - A kind of pump body cast sandbox and its sand core - Google Patents
A kind of pump body cast sandbox and its sand core Download PDFInfo
- Publication number
- CN109202015A CN109202015A CN201811350738.5A CN201811350738A CN109202015A CN 109202015 A CN109202015 A CN 109202015A CN 201811350738 A CN201811350738 A CN 201811350738A CN 109202015 A CN109202015 A CN 109202015A
- Authority
- CN
- China
- Prior art keywords
- sand core
- sandbox
- layer
- steel plate
- core
- 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
- 244000035744 Hura crepitans Species 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000000919 ceramic Substances 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of pump body cast sandbox and its sand cores, sandbox includes cope, drag box, type chamber is equipped in sandbox, type chamber is fixedly connected with sandbox by support rod, sand core includes upper layer sand core, middle layer sand core, lower layer's sand core, drag box bottom is fixed with threaded rod, threaded rod upper end is equipped with steel plate, steel plate lower end is equipped with threaded hole, threaded rod is connected through a screw thread with steel plate, steel plate is arranged in lower layer's sand core lower end, upper layer sand core, middle layer sand core, it is reserved with ceramic tube respectively in lower layer's sand core, steel plate and connecting rod are welded, connecting rod sequentially passes through lower layer's sand core, middle layer sand core, the ceramic tube of upper layer sand core, lower layer's sand core, middle layer sand core, upper layer sand core and connecting rod pass through nut respectively.Pump body cast sandbox and its sand core, which efficiently solve sand core and float, core the case where leading to scrap of the product and greatly reduces production cost, reduces the working time.
Description
Technical field
The present invention relates to a kind of sand casting sandbox and its sand cores, and in particular to a kind of pump body cast sandbox and its sand
Core.
Background technique
Pump housing class casting structure is complicated, and required sand core is more, causes in casting, sand core is all in vacant state, sand core
It is also easy to produce float core and the inadequate situation of wall thickness in the intracavitary buoyancy by molten steel of type, usually all uses steel to solve this problem
Stud fix sand core, i.e., the stud of steel is separately fixed above and below sand core, then mould assembling is poured.In casting
Former stud is removed again after sand removal, the hole stayed on casting after removal stud passes through soldering again and reprocesses, and reprocessing will spend very
High cost carries out.In addition the stud having when molten steel enters type chamber due to molten steel wash away may cause stud displacement, finally
Cause product size is unqualified to scrap.Secondly, being easily dislocated phenomenon when sandbox mould assembling, need to take time to be adjusted, and on
The fixation of sandbox and drag box generally uses bolt to be fastened, and considerably increases the working time.
Summary of the invention
The purpose of the present invention is to provide a kind of pump body cast sandbox and its sand core, efficiently solves the sand core core that floats and lead
The case where causing scrap of the product simultaneously greatly reduces production cost, reduces the working time.
To achieve the above object, the invention provides the following technical scheme:
A kind of pump body cast sandbox and its sand core, the sandbox include cope, drag box, and the cope is equipped with
More than two sand-spraying holes, the cope are equipped with gas vent and cast gate, and the cast gate is connected to sprue, the sprue and
Cross gate connection, the sandbox is interior to be equipped with type chamber, and the type chamber is connected to cross gate, and the type chamber and sandbox are solid by support rod
Fixed connection, the sand core includes upper layer sand core, middle layer sand core, lower layer's sand core, and the drag box bottom is fixed with threaded rod, described
Threaded rod upper end is equipped with steel plate, and the steel plate lower end is equipped with threaded hole, and the threaded rod is connected through a screw thread with steel plate, the steel
In lower layer's sand core lower end, the upper layer sand core, middle layer sand core are reserved with ceramic tube, and ceramics in lower layer's sand core respectively for plate setting
Pipe is reserved on same straight line, and the steel plate and connecting rod are welded, and the connecting rod sequentially passes through lower layer's sand core, middle layer sand
The ceramic tube of core, upper layer sand core, lower layer's sand core, middle layer sand core, upper layer sand core and connecting rod are fixed by nut respectively, institute
State nut be separately positioned between lower layer's sand core and middle layer sand core, between middle layer sand core and upper layer sand core, upper layer sand core upper end, institute
It states between nut and lower layer's sand core, be respectively equipped with gasket between the sand core of middle layer, between the sand core of upper layer.
Preferably, the washer diameter is greater than the diameter of ceramic tube.
Preferably, the diameter of the steel plate or side length are the 30%-50% of lower layer's sand core head diameter or side length.
Preferably, the cope lower end is equipped with sliding slot, and the drag box lower end is equipped with sliding rail compatible with sliding slot, institute
Cope lower end is stated equipped with limit plate.
Preferably, handle is respectively equipped on the cope and drag box outer wall.
Preferably, one end on the cope outer wall far from limit plate is equipped with bayonet, and the drag box outer wall is equipped with
Buckle compatible with bayonet.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention removes the manufacture of steel stud from, and the core that floats caused by shifting caused by avoiding stud from washing away because of molten steel is asked
Topic.Secondly, shortening the repair time because of stud, the production cycle is substantially increased, production cost reduces 2%-5%.
2) then cope of the invention and drag box are cooperated by sliding rail, sliding slot progress mould assembling by buckle and bayonet
It is fastened, accelerates mould assembling speed and fitness.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a kind of pump body cast sandbox and its sand core in the embodiment of the present invention；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the bottom view of cope in the embodiment of the present invention；
Fig. 4 is the top view of drag box in the embodiment of the present invention；
In figure, 1, sandbox, 101, cope, 102, drag box, 2, sand-spraying hole, 3, gas vent, 4, cast gate, 5, sprue,
6, cross gate, 7, type chamber, 8, upper layer sand core, 9, middle layer sand core, 10, lower layer's sand core, 11, threaded rod, 12, steel plate, 13, ceramics
Pipe, 14, connecting rod, 15, nut, 16, gasket, 17, sliding slot, 18, sliding rail, 19, limit plate, 20, handle, 21, bayonet, 22, card
Button, 23, support rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-4, a kind of pump body cast sandbox and its sand core, sandbox 1 includes cope 101, drag box
102, cope 101 is equipped with more than two sand-spraying holes 2, and cope 101 is equipped with gas vent 3 and cast gate 4, cast gate 4 with directly pour
Road 5 is connected to, and sprue 5 is connected to cross gate 6, and type chamber 7 is equipped in sandbox 1, and type chamber 7 is connected to cross gate 6, type chamber 7 and sandbox 1
It is fixedly connected by support rod 23.
Sand core includes upper layer sand core 8, middle layer sand core 9, lower layer's sand core 10, and 102 bottom of drag box is fixed with threaded rod 11, spiral shell
11 upper end of rasp bar is equipped with steel plate 12, and 12 lower end of steel plate is equipped with threaded hole, and threaded rod 11 is connected through a screw thread with steel plate 12, conveniently tears open
It unloads.Steel plate 12 is arranged in 10 lower end of lower layer's sand core, and the diameter or side length of steel plate 12 are 10 core print diameter of lower layer's sand core or side length
30%-50%.Upper layer sand core 8, middle layer sand core 9 are reserved with ceramic tube 13 in lower layer's sand core 10 respectively, and ceramic tube 13 is reserved in
On same straight line, steel plate 12 and connecting rod 14 are welded, and connecting rod 14 sequentially passes through lower layer's sand core 10, middle layer sand core 9, upper layer sand
The ceramic tube 13 of core 8, lower layer's sand core 10, middle layer sand core 9, upper layer sand core 8 and connecting rod 14 are fixed by nut 15 respectively.Nut
15 be separately positioned between lower layer's sand core 10 and middle layer sand core 9, between middle layer sand core 9 and upper layer sand core 8,8 upper end of upper layer sand core,
Between nut 15 and lower layer's sand core 10, between middle layer sand core 9, gasket 16 is respectively equipped between upper layer sand core 8,16 diameter of gasket is big
In the diameter of ceramic tube 13.
102 lower end of cope is equipped with sliding slot 17, and 102 lower end of drag box is equipped with sliding rail 18 compatible with sliding slot 17, upper sand
101 lower end of case is equipped with limit plate 19, and the anti-anti-slip track 18 of limit plate 19 is slipped with sliding slot 17.102 outer wall of cope 101 and drag box
On be respectively equipped with handle 20, one end on 101 outer wall of cope far from limit plate 19 is equipped with bayonet 21, on 102 outer wall of drag box
Equipped with buckle 22 compatible with bayonet 21, bayonet 21 fastens cope 101 and drag box 102 with 22 cooperation of buckle.
Sand core fixing means is as follows: steel plate 12 and threaded rod 11 being fastened, in lower layer's sand core 10, middle layer sand core 9, upper layer sand
Ceramic tube 13 is reserved in core 8 respectively, is guaranteed through sand core head, and guarantee that 13 1 weeks mold thickness of ceramic tube are uniform.It will connection
Bar 14 and steel plate 12 weld, then connecting rod 14 is passed through to the ceramic tube of lower layer's sand core 10, place gasket 16 and nut 15, make to connect
Extension bar 14 and lower layer's sand core 10 are fixed, and then middle layer sand core 9 is set in connecting rod 14 by ceramic tube, place gasket and spiral shell
Mother, connecting rod 14 and middle layer sand core 9 is fixed, finally upper layer sand core 8 is set in connecting rod 14, places gasket and nut,
Connecting rod 14 is fixed with upper layer sand core 8, it then will exceed the connecting rod truncation of 8 upper surface of upper layer sand core, repair good breakage
Sand core completes mould assembling.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the present invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (6)
1. a kind of pump body cast sandbox and its sand core, it is characterised in that: the sandbox includes cope, drag box, it is described on
Sandbox is equipped with more than two sand-spraying holes, and the cope is equipped with gas vent and cast gate, and the cast gate is connected to sprue, institute
It states sprue to be connected to cross gate, type chamber is equipped in the sandbox, the type chamber is connected to cross gate, and the type chamber and sandbox are logical
It crosses support rod to be fixedly connected, the sand core includes upper layer sand core, middle layer sand core, lower layer's sand core, and the drag box bottom is fixed with
Threaded rod, the threaded rod upper end are equipped with steel plate, and the steel plate lower end is equipped with threaded hole, and the threaded rod and steel plate pass through screw thread
Connection, in lower layer's sand core lower end, the upper layer sand core, middle layer sand core are reserved with pottery in lower layer's sand core respectively for steel plate setting
Porcelain tube, and ceramic tube is reserved on same straight line, the steel plate and connecting rod are welded, and the connecting rod sequentially passes through lower layer's sand
Core, middle layer sand core, upper layer sand core ceramic tube, lower layer's sand core, middle layer sand core, upper layer sand core and connecting rod pass through spiral shell respectively
Mother is fixed, the nut is separately positioned between lower layer's sand core and middle layer sand core, between middle layer sand core and upper layer sand core, upper layer sand
Core upper end is respectively equipped with gasket between the nut and lower layer's sand core, between the sand core of middle layer, between the sand core of upper layer.
2. a kind of pump body cast sandbox according to claim 1 and its sand core, it is characterised in that: the washer diameter is big
In the diameter of ceramic tube.
3. a kind of pump body cast sandbox according to claim 1 and its sand core, it is characterised in that: the diameter of the steel plate
Or side length is the 30%-50% of lower layer's sand core head diameter or side length.
4. a kind of pump body cast sandbox according to claim 1 and its sand core, it is characterised in that: the cope lower end
Equipped with sliding slot, the drag box lower end is equipped with sliding rail compatible with sliding slot, and the cope lower end is equipped with limit plate.
5. a kind of pump body cast sandbox according to claim 1 and its sand core, it is characterised in that: the cope is under
Handle is respectively equipped on sandbox outer wall.
6. a kind of pump body cast sandbox according to claim 4 and its sand core, it is characterised in that: the cope outer wall
Upper one end far from limit plate is equipped with bayonet, and the drag box outer wall is equipped with buckle compatible with bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350738.5A CN109202015A (en) | 2018-11-14 | 2018-11-14 | A kind of pump body cast sandbox and its sand core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350738.5A CN109202015A (en) | 2018-11-14 | 2018-11-14 | A kind of pump body cast sandbox and its sand core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109202015A true CN109202015A (en) | 2019-01-15 |
Family
ID=64996271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811350738.5A Pending CN109202015A (en) | 2018-11-14 | 2018-11-14 | A kind of pump body cast sandbox and its sand core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109202015A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136041Y (en) * | 2007-12-26 | 2008-10-22 | 广西玉柴机器股份有限公司 | Casting core for cylinder block |
| CN202343882U (en) * | 2011-12-22 | 2012-07-25 | 上汽依维柯红岩商用车有限公司 | Device for preventing sand core from floating upwards |
| CN202683959U (en) * | 2012-07-31 | 2013-01-23 | 东风汽车股份有限公司 | Integral automobile engine cylinder body psammitolite |
| CN103182485A (en) * | 2011-12-29 | 2013-07-03 | 广西玉柴机器股份有限公司 | Sand core fastening method |
| CN105328130A (en) * | 2015-10-30 | 2016-02-17 | 宁夏共享模具有限公司 | 3D printing sand core clamping device |
| CN209110133U (en) * | 2018-11-14 | 2019-07-16 | 安徽应流集团霍山铸造有限公司 | A kind of pump body cast sandbox and its sand core |
-
2018
- 2018-11-14 CN CN201811350738.5A patent/CN109202015A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136041Y (en) * | 2007-12-26 | 2008-10-22 | 广西玉柴机器股份有限公司 | Casting core for cylinder block |
| CN202343882U (en) * | 2011-12-22 | 2012-07-25 | 上汽依维柯红岩商用车有限公司 | Device for preventing sand core from floating upwards |
| CN103182485A (en) * | 2011-12-29 | 2013-07-03 | 广西玉柴机器股份有限公司 | Sand core fastening method |
| CN202683959U (en) * | 2012-07-31 | 2013-01-23 | 东风汽车股份有限公司 | Integral automobile engine cylinder body psammitolite |
| CN105328130A (en) * | 2015-10-30 | 2016-02-17 | 宁夏共享模具有限公司 | 3D printing sand core clamping device |
| CN209110133U (en) * | 2018-11-14 | 2019-07-16 | 安徽应流集团霍山铸造有限公司 | A kind of pump body cast sandbox and its sand core |
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