CN109079098A - A kind of screw rod precoated sand mold - Google Patents
A kind of screw rod precoated sand mold Download PDFInfo
- Publication number
- CN109079098A CN109079098A CN201811128789.3A CN201811128789A CN109079098A CN 109079098 A CN109079098 A CN 109079098A CN 201811128789 A CN201811128789 A CN 201811128789A CN 109079098 A CN109079098 A CN 109079098A
- Authority
- CN
- China
- Prior art keywords
- running channel
- pin
- cavity plate
- punch
- screw rod
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
Abstract
The present invention relates to a kind of screw rod precoated sand molds, including punch-pin and cavity plate, convex model chamber is offered on the inside of the punch-pin, concave die cavity is offered on the inside of cavity plate, convex model chamber and concave die cavity one end offer running channel chamber, and running channel is intracavitary to be provided with running channel mould, is uniformly provided with gas vent on punch-pin and cavity plate, the corresponding position in the inside of punch-pin and cavity plate, which offers, penetrates Sha Kou, location hole and locating slot, and the bottoming hole through two sides is provided on punch-pin and cavity plate；The present invention can be realized the batch production of screw rod, guarantee the qualification rate of product, save material and artificial, improving production efficiency.
Description
Technical field
The invention belongs to precoated sand technical field of mold, and in particular to a kind of screw rod precoated sand mold.
Background technique
Precoated sand (coated sand).Sand grain surface is covered with the molding sand or core sand of one layer of hard resin film before moulding.
Have two kinds of coating techniques of cold process and thermal method: cold process is dissolved resin with ethyl alcohol, and methenamine is added during mulling, makes two
Person is coated on sand grain surface, and ethyl alcohol volatilization obtains precoated sand;Sand is preheating to certain temperature by thermal method, and resin is added to make its melting, stirring
So that resin is coated on sand grain surface, adds methenamine aqueous solution and lubricant, it is cooling, broken, sieve to obtain precoated sand.For casting
Steel part, ironcasting.
Screw rod 1 as shown in Figure 1 mostly uses greatly the method for metal casting to produce blank in production, then exists at present
It is machined, to obtain better stability and machining accuracy；Existing screw rod blank mostly uses cast iron to be cast greatly
Make, casting method is: firstly, selecting suitable die joint according to screw rod design drawing, production shape is identical as screw rod shape
Built-up pattern, this model is mostly wooden or aluminum is to carry and to process；Secondly, model is put into sandbox, insert
Foundry sand is simultaneously tamped, and sandbox is separated taking-up model, and it is identical with model to be formed shape among the sand in sandbox
Cavity, then produce pouring channel and riser and just complete the sand mold production before casting；Then, sand mold is subjected to drying appropriate
Afterwards, sandbox is closed up, casting metal liquid is poured into from pouring channel；Finally, removing sandbox after cooling, sand mold is crushed, is taken
Casting out takes out cast gate and riser, just completes the production of screw rod blank.It manually realizes, is making since above-mentioned technique passes through
Make to be difficult to for sand mold being integrally compacted when sand mold, pour into molten iron in this case, due to the active force between molten iron and sand mold, can make
It obtains the partial shape that sand mold is not compacted to change, the size for producing screw rod is caused to deviate；Above-mentioned production simultaneously
Mode labor intensive, product qualification rate are low with production efficiency.
Therefore, it is artificial to design a kind of saving, guarantees product qualification rate, the screw rod precoated sand mold of improving production efficiency has
Vast market prospect.
Summary of the invention
In view of the deficiencies of the prior art, artificial, guarantee product qualification rate, promotion production effect are saved the present invention provides a kind of
The screw rod precoated sand mold of rate.
The technical scheme of the present invention is realized as follows: screw rod precoated sand mold, including punch-pin and cavity plate, the punch-pin
Inside offer convex model chamber, concave die cavity is offered on the inside of cavity plate, convex model chamber is offered with concave die cavity one end
Running channel chamber, running channel is intracavitary to be provided with running channel mould, is uniformly provided with gas vent on punch-pin and cavity plate, and the inside of punch-pin and cavity plate is opposite
The position answered, which offers, penetrates Sha Kou, location hole and locating slot, and the bottoming hole through two sides is provided on punch-pin and cavity plate.
The inside two sides of the concave die cavity offer installation embossed mould, and the inside two sides of convex model chamber are provided with and pacify
The installation casement that dress embossed mould matches.
The running channel mould includes punch-pin running channel and cavity plate running channel, and punch-pin running channel is corresponding with convex model chamber, cavity plate running channel
Corresponding with concave die cavity, the middle inside of punch-pin running channel and cavity plate running channel is provided with running channel link block.
Running channel fixation hole is offered through punch-pin running channel and cavity plate running channel on the running channel mould, running channel chamber is offered and poured
Fixation hole corresponding running channel location hole in road is connected between running channel fixation hole and running channel location hole by pin.
The described sand mouth of penetrating is semicircular opening, and the sand mouth of penetrating of punch-pin is connected with convex model chamber, cavity plate penetrate sand mouth and
Concave die cavity is connected.
The location hole is circular trough, is respectively provided with that there are two location holes on the inside of punch-pin and cavity plate.
The locating slot is U-type groove, is respectively provided with that there are two locating slots on the inside of punch-pin and cavity plate.
The bottoming hole is the circular through hole through punch-pin and cavity plate two sides, is evenly arranged with four on punch-pin and cavity plate
A bottoming hole.
Technical solution of the present invention has following good effect: the present invention can be realized the batch production of screw rod, guarantee product
Qualification rate, save material and artificial, improving production efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of involved screw rod in background technique.
Fig. 2 is the structural schematic diagram of cavity plate in the present invention.
Fig. 3 is the structural schematic diagram of convex mould of the present invention.
Fig. 4 is the structural schematic diagram of running channel mould in the present invention.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawings and embodiments, following embodiment is used
It more clearly describes technical solution of the present invention, and cannot be limited the scope of protection of the present invention with this.
As shown in Figure 2,3, 4, screw rod precoated sand mold, including punch-pin 2 and cavity plate 3, the inside of the punch-pin 2 open up
There is convex model chamber 5, the inside of cavity plate 3 offers concave die cavity 4, and convex model chamber 5 and 4 one end of concave die cavity offer running channel chamber
6, running channel mould 7 is provided in running channel chamber 6, and gas vent 11, the inside of punch-pin 2 and cavity plate 3 are uniformly provided on punch-pin 2 and cavity plate 3
Corresponding position, which offers, penetrates sand mouth 8, location hole 9 and locating slot 10, is provided on punch-pin 2 and cavity plate 3 through two sides
Bottoming hole 11.
The inside two sides of the concave die cavity 4 offer installation embossed mould 12, and the inside two sides of convex model chamber 5 are provided with
The installation casement 13 matched with installation embossed mould 12.The running channel mould 7 includes punch-pin running channel 701 and cavity plate running channel 702, convex
Mould running channel 701 is corresponding with convex model chamber 5, and cavity plate running channel 702 is corresponding with concave die cavity 4, punch-pin running channel 701 and cavity plate running channel
702 middle inside is provided with running channel link block 703.Through punch-pin running channel 701 and cavity plate running channel 702 on the running channel mould 7
Running channel fixation hole 704 is offered, running channel chamber 6 offers running channel location hole 14 corresponding with running channel fixation hole 704, and running channel is fixed
It is connected between hole 704 and running channel location hole 14 by pin.The sand mouth 8 of penetrating is semicircular opening, and punch-pin 2 penetrates sand mouth 8
It is connected with convex model chamber 5, the sand mouth 8 of penetrating of cavity plate 3 is connected with concave die cavity 4.The location hole 9 is circular trough, punch-pin 2
It is respectively provided with the inside of cavity plate 3 there are two location hole 9.The locating slot 10 is U-type groove, and punch-pin 2 and the inside of cavity plate 3 are all provided with
Locating slot 10 there are two setting.The bottoming hole 11 is the circular through hole through punch-pin 2 and 3 two sides of cavity plate, punch-pin 2 and cavity plate 3
On be uniformly arranged there are four bottoming hole 11.
In the present embodiment, select the vertical median plane of screw rod 1 that screw rod 1 is divided into phase using die joint as boundary for die joint
Symmetrical two units make convex model chamber 5 and cavity plate according to two units being partitioned into punch-pin 2 and 3 inside of cavity plate respectively
Type chamber 4, convex model chamber 5 include corresponding five units with concave die cavity 4, and the number for pouring output screw rod 1 every time can be improved
Amount；Running channel chamber 6 is opened up out respectively on convex model chamber 5 and the punch-pin 2 and cavity plate 3 of 4 one end of concave die cavity, and running channel mould 7 is passed through
Pin is installed on inside running channel chamber 6, and the end for the sand mo(u)ld produced is made to form running channel, convenient for molten iron is poured into inside sand mo(u)ld, just
In automated production, work, production efficiency are promoted；Location hole 9 and locating slot 10 can avoid convex when punch-pin 2 and cavity plate 3 fasten
Mould 2 and cavity plate 3 shift, and promote the precision of sand mo(u)ld；The row of being uniformly provided on convex model chamber 5, concave die cavity 4 and running channel chamber 6
Stomata 11 is conducive to the air that mould inside is discharged when penetrating sand to mould inside, keeps mold interior more smooth into sand, produces
Sand mo(u)ld precision is higher, and Density Distribution is with uniform；Embossed mould 12 is installed and casement 13 is installed and is distinguished in the two sides of the sand mo(u)ld cast out
Protruding block and annular groove are formed, convenient for being located by connecting between sand mo(u)ld；The inside of bottoming hole 11 is internal in process of production to be needed
It is inserted into heating plate, mold is heated.
Claims (8)
1. a kind of screw rod precoated sand mold, including punch-pin (2) and cavity plate (3), it is characterised in that: the inside of the punch-pin (2)
It offers convex model chamber (5), is offered on the inside of cavity plate (3) concave die cavity (4), convex model chamber (5) and concave die cavity (4) one end
It offers running channel chamber (6), is provided with running channel mould (7) in running channel chamber (6), is uniformly provided with exhaust on punch-pin (2) and cavity plate (3)
The corresponding position in inside of hole (11), punch-pin (2) and cavity plate (3), which offers, penetrates Sha Kou (8), location hole (9) and locating slot
(10), the bottoming hole (11) through two sides is provided on punch-pin (2) and cavity plate (3).
2. screw rod precoated sand mold according to claim 1, it is characterised in that: the inside two of the concave die cavity (4)
Side offers installation embossed mould (12), and the inside two sides of convex model chamber (5) are provided with the peace matched with installation embossed mould (12)
It fills casement (13).
3. screw rod precoated sand mold according to claim 1, it is characterised in that: the running channel mould (7) includes that punch-pin pours
Road (701) and cavity plate running channel (702), punch-pin running channel (701) is corresponding with convex model chamber (5), cavity plate running channel (702) and cavity plate type
Chamber (4) is corresponding, and the middle inside of punch-pin running channel (701) and cavity plate running channel (702) is provided with running channel link block (703).
4. screw rod precoated sand mold according to claim 3, it is characterised in that: run through punch-pin on the running channel mould (7)
Running channel (701) and cavity plate running channel (702) offer running channel fixation hole (704), and running channel chamber (6) offers and running channel fixation hole
(704) corresponding running channel location hole (14), is connect between running channel fixation hole (704) and running channel location hole (14) by pin.
5. screw rod precoated sand mold according to claim 1, it is characterised in that: the Sha Kou (8) that penetrates opens for semicircle
Mouthful, the Sha Kou (8) that penetrates of punch-pin (2) is connected with convex model chamber (5), and the Sha Kou (8) that penetrates of cavity plate (3) is connected with concave die cavity (4)
It is logical.
6. screw rod precoated sand mold according to claim 1, it is characterised in that: the location hole (9) is circular trough, convex
There are two being respectively provided on the inside of mould (2) and cavity plate (3) location hole (9).
7. screw rod precoated sand mold according to claim 1, it is characterised in that: the locating slot (10) is U-type groove, convex
There are two being respectively provided on the inside of mould (2) and cavity plate (3) locating slot (10).
8. screw rod precoated sand mold according to claim 1, it is characterised in that: the bottoming hole (11) is through punch-pin
(2) with the circular through hole of cavity plate (3) two sides, it is uniformly arranged that there are four bottoming hole (11) on punch-pin (2) and cavity plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128789.3A CN109079098A (en) | 2018-09-27 | 2018-09-27 | A kind of screw rod precoated sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128789.3A CN109079098A (en) | 2018-09-27 | 2018-09-27 | A kind of screw rod precoated sand mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109079098A true CN109079098A (en) | 2018-12-25 |
Family
ID=64842740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811128789.3A Pending CN109079098A (en) | 2018-09-27 | 2018-09-27 | A kind of screw rod precoated sand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109079098A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127295A (en) * | 2017-06-26 | 2017-09-05 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of flange york |
| CN107262678A (en) * | 2017-06-26 | 2017-10-20 | 禹州市昆仑模具有限公司 | A kind of sand box cover die covered on ZM bearing blocks |
| CN107309391A (en) * | 2017-06-26 | 2017-11-03 | 禹州市昆仑模具有限公司 | A kind of core mould of ZM bearing blocks |
| CN206882703U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of two-sided sheave |
| CN206882708U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of core mould of adjusting nut |
| CN206925284U (en) * | 2017-06-26 | 2018-01-26 | 禹州市昆仑模具有限公司 | It is a kind of to lengthen the precoated sand mould for stretching fork |
-
2018
- 2018-09-27 CN CN201811128789.3A patent/CN109079098A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127295A (en) * | 2017-06-26 | 2017-09-05 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of flange york |
| CN107262678A (en) * | 2017-06-26 | 2017-10-20 | 禹州市昆仑模具有限公司 | A kind of sand box cover die covered on ZM bearing blocks |
| CN107309391A (en) * | 2017-06-26 | 2017-11-03 | 禹州市昆仑模具有限公司 | A kind of core mould of ZM bearing blocks |
| CN206882703U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of hot core box mould of two-sided sheave |
| CN206882708U (en) * | 2017-06-26 | 2018-01-16 | 禹州市昆仑模具有限公司 | A kind of core mould of adjusting nut |
| CN206925284U (en) * | 2017-06-26 | 2018-01-26 | 禹州市昆仑模具有限公司 | It is a kind of to lengthen the precoated sand mould for stretching fork |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |
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| RJ01 | Rejection of invention patent application after publication |