CN108246985A - A kind of improved sand core formative method and Special ejection sand mouth structure - Google Patents
A kind of improved sand core formative method and Special ejection sand mouth structure Download PDFInfo
- Publication number
- CN108246985A CN108246985A CN201810325704.4A CN201810325704A CN108246985A CN 108246985 A CN108246985 A CN 108246985A CN 201810325704 A CN201810325704 A CN 201810325704A CN 108246985 A CN108246985 A CN 108246985A
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- China
- Prior art keywords
- sand
- shaped
- block
- shooting head
- bore passage
- 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.)
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Links
- 239000004576 sand Substances 0.000 title claims abstract description 171
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000000465 moulding Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
- B22C13/12—Moulding machines for making moulds or cores of particular shapes for cores
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention relates to a kind of improved sand core formative method and Special ejection sand mouth structures, including one of flange seat, sealing ring, penetrate sand set, sand-shooting head, sealing ring two, one of sealing ring is arranged on flange seat and penetrates the junction of sand set, the two of sealing ring are arranged on the junction for penetrating sand set and sand-shooting head, penetrate in sand set and form bore passage；It is characterized in that：In the port of export of sand-shooting head, block is set, the endoporus port of export of sand-shooting head is in semicircular ring channel-shaped, block is equipped in the upper surface of the endoporus port of export of sand-shooting head, the block has semicircle spherical shape shrinkage pool, make the endoporus port of export of lateral surface connection sand-shooting head of the bore passage through block, form bending-type S-shaped and penetrate sand bore passage；S-shaped is formed in sand core moulding and penetrates sand channel design.The present invention have negative pressure sand shooting mouth mechanism it is rational in infrastructure, can prevent from easily causing and penetrate sand mouth and prominent substantive distinguishing features and the advantageous effect such as block, prevent that sand grains from entering in mold and product quality is guaranteed.
Description
Technical field
The present invention relates to a kind of sand core formative methods, and in particular to a kind of improved sand core formative method and special sand shooting mouth
Structure.Belong to automobile and its accessories manufacturing technical field.
Background technology
In the prior art, general negative pressure sand shooting mouth mechanism penetrate sand operation when carrying out sand core moulding, but the prior art
Negative pressure sand shooting mouth mechanism generally by flange seat, sealing ring, penetrate sand set, sand-shooting head and strainer and form.During sand core moulding, sand shooting mouth is inserted
Enter mold directly to lead directly in injection mold cavity sand through sand shooting mouth bore passage by pressurization, sand, which shoots away to finish, to be stopped penetrating after pressurizeing
When sand mouth detaches mold, the sand that sand shooting mouth bore passage in the vacuum suction of negative pressure channel prevents from wandering, and negative pressure channel and penetrates sand
It is obstructed between mouth bore passage by strainer.Carrying out sand core moulding using this negative pressure sand shooting mouth, there are the following problems：(1) it uses
Through type penetrates sand channel, and easily causing filter net jam causes sand shooting mouth bore passage negative pressure insufficient, so as to which sand be caused to continue to flow into mould
Tool penetrates Sha Kou；(2) it penetrates after the sand sintering of sand oral area position other than easily blocking and penetrating sand mouth, mould when can also cause to penetrate sand next time
The sand that tool penetrates the sintering of sand mouth is injected in mold, so as to generate defective products.(3) there are negative pressure to penetrate for the sand core formative method of the prior art
The unreasonable structure of sand nozzle mechanism is easily caused to penetrate sand mouth and block, easily cause that sand grains enters in mold, product quality is unsecured etc. and be asked
Topic.
Invention content
An object of the present invention, which is that there are negative pressure in order to solve the sand core formative method of the prior art, to penetrate the negative of sand channel
Pressure is insufficient, easily causes and penetrates the blocking of sand mouth, easily causes the problems such as sand grains enters in mold, product quality is unsecured, provides one kind and changes
Into sand core formative method.This method have negative pressure sand shooting mouth mechanism it is rational in infrastructure, can prevent from easily causing and penetrate sand mouth and block, is anti-
The prominent substantive distinguishing features such as only sand grains enters in mold and product quality is guaranteed.
The second object of the present invention is that there are negative pressure sand shooting mouth mechanisms in order to solve the negative pressure sand shooting mouth mechanism of the prior art
Unreasonable structure, easily cause filter net jam and lead to that sand shooting mouth bore passage negative pressure is insufficient, the Sha Kou that penetrates of mold is caused to enter sand etc.
Problem provides a kind of improved sand core moulding Special ejection sand mouth structure.With sand shooting mouth bore passage negative pressure abundance, prevent strainer
The Sha Kou that penetrates for blocking, preventing mold enters sand, ensures the prominent substantive distinguishing features such as product quality.
An object of the present invention can reach by the following technical programs：
A kind of improved sand core formative method, it is characterised in that：
1) the Special ejection sand mouth structure of sand core moulding is set, and the Special ejection sand mouth structure has S-shaped bore passage 7, shape
Into the sand shooting mouth structure with S-shaped bore passage；
2) by the sand inlet penetrated the sand port of export and be inserted into mold of Special ejection sand mouth structure, S-shaped bore passage is made to connect mold
Cavity, formed S-shaped penetrate sand channel；
3) sand channel is penetrated in the curved position of S-shaped for penetrating the formation of the sand port of export, the knot of formation blocking sand reflux using the S-shaped of bending
Structure；
4) sand is penetrated sand channel from S-shaped using positive pressure or negative pressure to be sent into the cavity of mold, fills up, complete until by cavity
Improved sand core moulding flow.
An object of the present invention can also reach by the following technical programs：
Further, penetrating sand shooting mouth structure after sand finishes stopping pressurization, when detaching mold, the sand of sand shooting mouth structure is curved by S-shaped
The blocking of position cannot be wandered into the cavity of mold.
The second object of the present invention can reach by the following technical programs：
A kind of improved sand core moulding Special ejection sand mouth structure, including one of flange seat, sealing ring, penetrate sand set, sand-shooting head,
The two of sealing ring, one of sealing ring be arranged on flange seat and penetrate sand set junction, the two of sealing ring be arranged on penetrate sand set with penetrating
The junction of sand head is penetrated in sand set and forms bore passage；Its design feature is：Block is set in the port of export of sand-shooting head, is penetrated
The endoporus port of export of sand head is in semicircular ring channel-shaped, is equipped with block in the upper surface of the endoporus port of export of sand-shooting head, which has
Semicircle spherical shape shrinkage pool makes the endoporus port of export of lateral surface connection sand-shooting head of the bore passage through block, forms bending-type S-shaped and penetrate sand
Bore passage；S-shaped is formed in sand core moulding and penetrates sand channel design.
The second object of the present invention can also reach by the following technical programs：
Further, the S-shaped bore passage includes bore passage, sand-shooting head endoporus and block, and block has semi-round ball
Shape shrinkage pool, the block are arranged on the upper surface of sand-shooting head endoporus, form the bending from bore passage, block to sand-shooting head endoporus
Formula S-shaped penetrates sand channel.
It is advantageous effect that the present invention, which has substantive distinguishing features prominent as follows,：
1st, the Special ejection sand mouth structure of method of the invention setting sand core moulding, the Special ejection sand mouth structure have S-shaped
Bore passage forms the sand shooting mouth structure with S-shaped bore passage；The sand port of export of penetrating of Special ejection sand mouth structure is inserted into mold
Sand inlet, make S-shaped bore passage connection mold cavity, formed S-shaped penetrate sand channel；Sand channel is penetrated using the S-shaped of bending to exist
The curved position of S-shaped of sand port of export formation is penetrated, forms the structure of blocking sand reflux；Sand is penetrated into sand channel from S-shaped using positive pressure or negative pressure
It is sent into the cavity of mold, is filled up until by cavity, complete improved sand core moulding flow；Therefore the prior art can be solved
Sand core formative method there are negative pressure that negative pressure penetrates sand channel it is insufficient, easily cause penetrate sand mouth block, easily cause sand grains enter in mold,
The problems such as product quality is unsecured, have negative pressure sand shooting mouth mechanism it is rational in infrastructure, can prevent from easily causing penetrate sand mouth block, prevent
Sand grains, which enters in mold, and product quality is guaranteed waits prominent substantive distinguishing features and advantageous effect.
2nd, Special ejection sand mouth structure of the invention, since the port of export in sand-shooting head sets block, the endoporus of sand-shooting head goes out
Mouth end is in semicircular ring channel-shaped, and block is equipped in the upper surface of the endoporus port of export of sand-shooting head, which has semicircle spherical shape shrinkage pool,
Make the endoporus port of export of lateral surface connection sand-shooting head of the bore passage through block, form bending-type S-shaped and penetrate sand bore passage；In sand
S-shaped is formed during core sand moulding and penetrates sand channel design；Therefore the negative pressure sand shooting mouth mechanism of the prior art can be solved, and there are negative pressure to penetrate sand
The unreasonable structure of nozzle mechanism, easily cause filter net jam cause sand shooting mouth bore passage negative pressure is insufficient, cause mold penetrate Sha Kou
The problems such as entering sand has sand shooting mouth bore passage negative pressure abundance, prevents filter net jam, prevents the Sha Kou that penetrates of mold from entering sand, ensureing
The prominent substantive distinguishing features such as product quality and advantageous effect.
3rd, the present invention is by by the through-type S-shaped channel for being changed to bending, solving sand shooting mouth bore passage mold and penetrating Sha Kou
The sand of sintering injects the problem of mold, has the characteristics that promote sand core molding quality and effect.
Description of the drawings
Fig. 1 is the structure diagram of Special ejection sand mouth structure being related to of the specific embodiment of the invention 1.
Fig. 2 is the partial structural diagram of the Special ejection sand mouth structure of the specific embodiment of the invention 1.
Fig. 3 is the improved sand core moulding schematic diagram of the specific embodiment of the invention 1.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
Specific embodiment 1：
With reference to Fig. 1-Fig. 2, the improved sand core formative method Special ejection sand mouth structure that the present embodiment is related to, including flange seat
1st, one of sealing ring 2, penetrate sand set 3, sand-shooting head 4, sealing ring 25, one of sealing ring 2 is arranged on flange seat 1 and penetrates sand set 3
Junction, the 25 of sealing ring is arranged on the junction for penetrating sand set 3 and sand-shooting head 4, penetrates in sand set 3 and forms bore passage 3-1；
The port of export setting block 6 of sand-shooting head 4, the endoporus port of export of sand-shooting head 4 is in semicircular ring channel-shaped, in the interior hole exits of sand-shooting head 4
The upper surface at end is equipped with block 6, which has semicircle spherical shape shrinkage pool, makes lateral surface connections of the bore passage 3-1 through block 6
The endoporus port of export of sand-shooting head 4 forms bending-type S-shaped and penetrates sand bore passage 7；S-shaped is formed in sand core moulding and penetrates sand channel knot
Structure.
In the present embodiment：
The S-shaped bore passage 7 includes bore passage 3-1, sand-shooting head endoporus 4-1 and block 6, and block 6 has semi-round ball
Shape shrinkage pool, the block 6 are arranged on the upper surface of sand-shooting head endoporus, are formed from bore passage 3-1, block 6 to sand-shooting head endoporus
The bending-type S-shaped of 4-1 penetrates sand channel.
With reference to Fig. 2, bending-type S-shaped penetrates sand channel along arrow " → " direction in " S " shape, and penetrating sand road diameter is：From bore passage
3-1, block 6 arrive sand-shooting head endoporus 4-1；Due to the effect of block 6, sand grains cannot enter in bore passage 3-1 in reverse direction, from
And solve the problems, such as that mold penetrates the sand injection mold of sand mouth sintering, have the characteristics that promote sand core molding quality and effect.
Flange seat 1 using routine techniques flange arrangement, one of sealing ring 2, sealing ring 25 using the close of routine techniques
Seal penetrates sand set 3 and penetrates sand cylindrical structure using routine techniques, and sand-shooting head 4 penetrates sand injection structure using routine techniques.
With reference to Fig. 3, the improved sand core formative method that the present embodiment is related to, it is characterised in that：
1) the Special ejection sand mouth structure 10 of sand core moulding is set, and the Special ejection sand mouth structure 10 has S-shaped bore passage
7, form the sand shooting mouth structure with S-shaped bore passage 7；
2) by the sand inlet penetrated the sand port of export and be inserted into mold 20 of Special ejection sand mouth structure 10, connect S-shaped bore passage 7
The cavity 30 of mold 20 forms S-shaped and penetrates sand channel；
3) sand channel is penetrated in the curved position of S-shaped for penetrating the formation of the sand port of export, the knot of formation blocking sand reflux using the S-shaped of bending
Structure；
4) sand is penetrated sand channel from S-shaped using positive pressure or negative pressure to be sent into the cavity 30 of mold 20, is filled out until by cavity 30
It is full, complete improved sand core moulding flow.
Penetrating sand shooting mouth structure 10 after sand finishes stopping pressurization, when detaching mold 20, the sand of sand shooting mouth structure 10 is by the curved position of S-shaped
Blocking cannot wander into the cavity 30 of mold 20.
The present invention is by by the through-type S-shaped channel for being changed to bending, solving sand shooting mouth bore passage mold and penetrating sand mouth burning
The characteristics of the problem of sand injection mold of knot, promotion sand core molding quality and effect.
Claims (4)
1. a kind of improved sand core formative method, it is characterised in that：
1) the Special ejection sand mouth structure (10) of sand core moulding is set, and the Special ejection sand mouth structure (10) has S-shaped bore passage
(7), the sand shooting mouth structure with S-shaped bore passage (7) is formed；
2) by the sand inlet penetrated the sand port of export and be inserted into mold (20) of Special ejection sand mouth structure (10), make S-shaped bore passage (7) even
The cavity (30) of logical mold (20) forms S-shaped and penetrates sand channel；
3) sand channel is penetrated in the curved position of S-shaped for penetrating the formation of the sand port of export, the structure of formation blocking sand reflux using the S-shaped of bending；
4) sand is penetrated sand channel from S-shaped using positive pressure or negative pressure to be sent into the cavity (30) of mold (20), until by cavity (30)
It fills up, completes improved sand core moulding flow.
2. a kind of improved sand core formative method according to claim 1, it is characterised in that：Penetrate sand finish stopping pressurization after
When sand shooting mouth structure (10) detaches mold (20), the sand of sand shooting mouth structure (10) cannot be wandered by the blocking of the curved position of S-shaped to mold
(20) in cavity (30).
3. a kind of improved sand core moulding Special ejection sand mouth structure, including one of flange seat (1), sealing ring (2), penetrate sand set (3),
One of two (5) of sand-shooting head (4), sealing ring, sealing ring (2) are arranged on flange seat (1) and penetrate the junction of sand set (3), seal
Two (5) of circle are arranged on the junction for penetrating sand set (3) and sand-shooting head (4), penetrate and bore passage (3-1) is formed in sand set (3)；It is special
Sign is：In the port of export setting block (6) of sand-shooting head (4), the endoporus port of export of sand-shooting head (4) is being penetrated in semicircular ring channel-shaped
The upper surface of the endoporus port of export of sand head (4) is equipped with block (6), which has semicircle spherical shape shrinkage pool, make bore passage
The endoporus port of export of the lateral surface connection sand-shooting head (4) of (3-1) through block (6), forms bending-type S-shaped and penetrates sand bore passage (7)；
S-shaped is formed in sand core moulding and penetrates sand channel design.
4. a kind of improved sand core moulding Special ejection sand mouth structure according to claim 3, it is characterised in that：The S-shaped
Bore passage (7) includes bore passage, sand-shooting head endoporus and block (6), and block (6) has semicircle spherical shape shrinkage pool, the block
(6) upper surface of sand-shooting head endoporus is arranged on, the bending-type S-shaped formed from bore passage, block (6) to sand-shooting head endoporus penetrates sand
Channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325704.4A CN108246985A (en) | 2018-04-12 | 2018-04-12 | A kind of improved sand core formative method and Special ejection sand mouth structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325704.4A CN108246985A (en) | 2018-04-12 | 2018-04-12 | A kind of improved sand core formative method and Special ejection sand mouth structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108246985A true CN108246985A (en) | 2018-07-06 |
Family
ID=62748106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810325704.4A Pending CN108246985A (en) | 2018-04-12 | 2018-04-12 | A kind of improved sand core formative method and Special ejection sand mouth structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108246985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865802A (en) * | 2019-03-27 | 2019-06-11 | 江阴市惠尔信精密装备股份有限公司 | A kind of sand shooting mouth |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202062052U (en) * | 2011-05-04 | 2011-12-07 | 肇庆市丰驰精密金属制品有限公司 | Sand shooting nozzle |
| CN103182483A (en) * | 2011-12-29 | 2013-07-03 | 广西玉柴机器股份有限公司 | Hot core box jet nozzle |
| CN103978163A (en) * | 2014-05-29 | 2014-08-13 | 广东鸿特精密技术（台山）有限公司 | Process for manufacturing multi-branch complex sand core through precoated sand by low pressure and slow stacking |
| DE202014104407U1 (en) * | 2014-09-17 | 2014-09-23 | HongXiao Wei | Sand-gun nozzle with high tightness |
| CN205165766U (en) * | 2015-11-23 | 2016-04-20 | 中国第一汽车股份有限公司 | Mouth is penetrated to casting mould hot box water -cooling |
| CN205200463U (en) * | 2015-12-29 | 2016-05-04 | 肇庆市丰驰精密金属制品有限公司 | Sand mould is sandblast nozzle for mould |
| CN206405386U (en) * | 2016-12-29 | 2017-08-15 | 华东泰克西汽车铸造有限公司 | It is a kind of to improve the core mold for penetrating sand exhaust |
| CN208162569U (en) * | 2018-04-12 | 2018-11-30 | 肇庆本田金属有限公司 | A kind of improved sand core moulding Special ejection sand mouth structure |
-
2018
- 2018-04-12 CN CN201810325704.4A patent/CN108246985A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202062052U (en) * | 2011-05-04 | 2011-12-07 | 肇庆市丰驰精密金属制品有限公司 | Sand shooting nozzle |
| CN103182483A (en) * | 2011-12-29 | 2013-07-03 | 广西玉柴机器股份有限公司 | Hot core box jet nozzle |
| CN103978163A (en) * | 2014-05-29 | 2014-08-13 | 广东鸿特精密技术（台山）有限公司 | Process for manufacturing multi-branch complex sand core through precoated sand by low pressure and slow stacking |
| DE202014104407U1 (en) * | 2014-09-17 | 2014-09-23 | HongXiao Wei | Sand-gun nozzle with high tightness |
| CN205165766U (en) * | 2015-11-23 | 2016-04-20 | 中国第一汽车股份有限公司 | Mouth is penetrated to casting mould hot box water -cooling |
| CN205200463U (en) * | 2015-12-29 | 2016-05-04 | 肇庆市丰驰精密金属制品有限公司 | Sand mould is sandblast nozzle for mould |
| CN206405386U (en) * | 2016-12-29 | 2017-08-15 | 华东泰克西汽车铸造有限公司 | It is a kind of to improve the core mold for penetrating sand exhaust |
| CN208162569U (en) * | 2018-04-12 | 2018-11-30 | 肇庆本田金属有限公司 | A kind of improved sand core moulding Special ejection sand mouth structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865802A (en) * | 2019-03-27 | 2019-06-11 | 江阴市惠尔信精密装备股份有限公司 | A kind of sand shooting mouth |
| CN109865802B (en) * | 2019-03-27 | 2024-04-16 | 江阴市惠尔信精密装备股份有限公司 | Sand shooting nozzle |
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