CN105855478A - Multi-channel sand shooting head - Google Patents
Multi-channel sand shooting head Download PDFInfo
- Publication number
- CN105855478A CN105855478A CN201610418936.5A CN201610418936A CN105855478A CN 105855478 A CN105855478 A CN 105855478A CN 201610418936 A CN201610418936 A CN 201610418936A CN 105855478 A CN105855478 A CN 105855478A
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- China
- Prior art keywords
- sand
- passage
- shooting head
- penetrates
- shooting
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- 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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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a multi-channel sand shooting head which comprises a sand shooting barrel, a sand shooting head body, a sand shooting plate and a plurality of sand shooting nozzles. The sand shooting barrel is provided with a first sand shooting channel. The first sand shooting channel is provided with a first feeding port located at the upper end and a first discharging port located at the lower end. The multi-channel sand shooting head is characterized in that a plurality of second independent sand shooting channels are arranged in the sand shooting head body, each second sand shooting channel is provided with a second feeding port located at the upper end and a second discharging port located at the lower end, the second feeding port of each second sand shooting channel is communicated with the first discharging port, and the second discharging port of each second sand shooting channel is communicated with a corresponding sand shooting hole in the sand shooting plate. By arranging the small-size second sand shooting channels, an effective sand shooting space in the sand shooting head body is reserved, and a noneffective sand shooting space in the prior art is occupied or removed, so that residual sand amount in the sand shooting head body is reduced, and the sand shooting effect is not affected.
Description
Technical field
The present invention relates to the core technology of preparing in field of metal casting technology, be specifically related to a kind of sand-shooting head for core making machine.
Background technology
In metal casting technique, in the core making machine preparing core, sand-shooting head is the passage to core box transfer molding sand, and the structure design correlation sand effect of sand-shooting head has a major impact.
Shown in Figure 1, in prior art, sand-shooting head generally comprises blasting unit 110, sand-shooting head body 120, sand ejection board 130 and sand shooting mouth (not shown), blasting unit 110 inside has first and penetrates sand passage 111, first penetrates sand passage 111 has the first charging port being positioned at upper end and the first discharging port being positioned at lower end, a sand-shooting head body 120 generally up-small and down-big cone cylinder, sand-shooting head body 120 has penetrates sand chamber 121, penetrate sand chamber 121 and there is the chamber ingress being positioned at upper end and the chamber outlet being positioned at lower end, chamber ingress and the connection of the first discharging port, sand ejection board 130 is arranged at chamber outlet, sand-spraying hole 131 is distributed in sand ejection board 130.
In actual core-shooting process, sand-shooting head is firstly moved to add the lower section of sand hopper and adds molding sand, molding sand includes the molding sand being first filled with sand-shooting head body and fills up the molding sand of blasting unit afterwards, sand-shooting head then moves to the lower section of sand shooting mechanism, sand shooting mechanism is passed through compressed air in sand-shooting head, compressed air drives what the molding sand in blasting unit promoted molding sand in sand-shooting head body to be partially into sand shooting mouth, therefore, the part of the molding sand in sand-shooting head body is transferred in core box by sand shooting mouth, and the molding sand in blasting unit is transferred in sand-shooting head body, when the molding sand in blasting unit is completely transferred in sand-shooting head body, now, compressed-air actuated motive force weakens significantly, a general core-shooting process i.e. terminates.Therefore, the molding sand in sand-shooting head body is the fewest, then the residual molding sand in sand-shooting head body is the fewest, how can reduce in sand-shooting head body residual molding sand the most do not affect penetrate sand effect be the application need solve problem.
Summary of the invention
The goal of the invention of the present invention is to provide a kind of multichannel sand-shooting head, by the improvement to sand-shooting head internal structure, reduces the residual molding sand in sand-shooting head body, does not affect simultaneously and penetrates sand effect.
nullTo achieve the above object of the invention，The technical solution used in the present invention is: a kind of multichannel sand-shooting head，Including blasting unit、Sand-shooting head body、Sand ejection board and several sand shooting mouth，Described sand ejection board is arranged on the lower end of described sand-shooting head body，Several sand-spraying holes it are provided with in sand ejection board，Sand shooting mouth is separately mounted on each sand-spraying hole，Described blasting unit has first and penetrates sand passage，Described first penetrates sand passage has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，Described sand-shooting head this most internal be provided with the most independent some second and penetrate sand passage，Each described second penetrates sand passage has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Each described second the second charging port penetrating sand passage connects with described first discharging port，Each described second penetrates the sand-spraying hole connection that the second discharging port of sand passage is corresponding with in sand ejection board respectively.
In technique scheme, the formation that sand-shooting head intrinsic second penetrates sand passage can use kinds of schemes.A kind of scheme is, described sand-shooting head body is made up of the sand chamber of penetrating in housing and housing, described in penetrate sand chamber be filled with entity, described physically offer several passages, described passage constitutes described second and penetrates sand passage, and the material of described entity is aluminium or timber.
Another kind of scheme is, described sand-shooting head body is made up of the sand chamber of penetrating in housing and housing, described penetrate sand chamber ingress or described first discharging port or described in penetrate the junction of sand chamber ingress and described first discharging port and seal and be provided with installing plate, some pipelines it are provided through on described installing plate, described pipeline constitutes described second and penetrates sand passage, and the material of described pipeline is steel.
Penetrating, from first in blasting unit, the molding sand that sand passage enters to penetrate sand passage through second and arrive at sand-spraying hole, sand shooting mouth spray, penetrating sand passage for each second can a corresponding sand-spraying hole, it is also possible to corresponding multiple sand-spraying holes.Therefore, described sand-shooting head this most internal be provided with at least 2 described second and penetrate sand passage, described second penetrates the bar number number less than or equal to described sand-spraying hole of sand passage.
Preferably technical scheme, arbitrary described second area penetrating sand passage cross section in the horizontal direction is 20 square millimeters～400 square millimeters.
nullFor realizing the goal of the invention of the present invention，Another technical scheme using same design is，A kind of multichannel sand-shooting head，Including blasting unit、Sand-shooting head body、Sand ejection board and several sand shooting mouth，Described blasting unit has first and penetrates sand passage，Described first penetrates sand passage has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，Several sand-spraying holes it are provided with in sand ejection board，Sand shooting mouth is separately mounted on each sand-spraying hole，Described sand-shooting head body is penetrated sand passage by support and independently arrange some second and is formed，Described support is connected to the lower end of described blasting unit，Described sand ejection board is connected to the lower end of described support，Described second penetrates sand passage has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Described some second several the second charging ports penetrating sand passage connect with described first discharging port，Described some second several the second discharging ports penetrating sand passage connect with several sand-spraying holes described.
In technique scheme, described support being provided with entity, described several passages that physically offer, described passage constitutes described second and penetrates sand passage, and the material of described entity is aluminium or timber.
Or, described first discharging port sealing is provided with installing plate, and described installing plate is provided through some pipelines, and described pipeline constitutes described second and penetrates sand passage, the steel of described pipeline.
In technique scheme, described sand-shooting head body includes that at least 2 described second are penetrated sand passage, and described second penetrates the bar number number equal to described sand-spraying hole of sand passage.
In technique scheme, arbitrary described second area penetrating sand passage cross section in the horizontal direction is 20 square millimeters～400 square millimeters.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that the sand-shooting head body in the present invention penetrates sand passage by arranging undersized second, retain and sand-shooting head body effectively penetrates sand space, take or remove and of the prior art invalid penetrate sand space, thus reduce the residual molding sand amount in sand-shooting head body, sand-shooting head body Sand residual quantity can be reduced, do not interfere with again and penetrate sand effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of sand-shooting head of the prior art；
Fig. 2 is the structural representation of sand-shooting head disclosed in the embodiment of the present invention one；
Fig. 3 is the structural representation of sand-shooting head disclosed in the embodiment of the present invention two；
Fig. 4 is the structural representation of sand-shooting head disclosed in the embodiment of the present invention three；
Fig. 5 is the structural representation of sand-shooting head disclosed in the embodiment of the present invention four.
Wherein,
110, blasting unit；111, first sand passage is penetrated；120, sand-shooting head body；121, sand chamber is penetrated；130, sand ejection board；131, sand-spraying hole；
210, blasting unit；211, first sand passage is penetrated；220, sand-shooting head body；221, sand chamber is penetrated；230, sand ejection board；231, sand-spraying hole；240, entity；241, second sand passage is penetrated；
310, blasting unit；311, first sand passage is penetrated；320, sand-shooting head body；321, sand chamber is penetrated；330, sand ejection board；331, sand-spraying hole；340, installing plate；341, second sand passage is penetrated；
410, blasting unit；411, first sand passage is penetrated；420, sand ejection board；421, sand-spraying hole；430, support；440, entity；441, second sand passage is penetrated；
510, blasting unit；511, first sand passage is penetrated；520, sand ejection board；521, sand-spraying hole；530, installing plate；540, support；541, second sand passage is penetrated.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is further described by embodiment.
nullEmbodiment one: see Fig. 2，As shown in legend therein，A kind of multichannel sand-shooting head，Including blasting unit 210、Sand-shooting head body 220、Sand ejection board 230 and several sand shooting mouth (not shown)s，Blasting unit 210 has first and penetrates sand passage 211，First penetrates sand passage 211 has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，Sand-shooting head body 220 has penetrates sand chamber 221，Penetrate sand chamber 221 and there is the chamber ingress being positioned at upper end and the chamber outlet being positioned at lower end，Sand ejection board 230 is provided with several sand-spraying holes 231，Above-mentioned chamber ingress is connected to the first discharging port，Sand ejection board 230 is arranged in above-mentioned chamber outlet，Several sand shooting mouth above-mentioned are separately mounted on several sand-spraying holes 231，Sand-shooting head body 220 is also filled with entity 240，Some the passages independently arranged are offered on entity 240，This passage constitutes second and penetrates sand passage 241，Second penetrates sand passage 241 has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Some second several second charging ports penetrating sand passage 241 and the connection of the first discharging port，Some second several the second discharging ports penetrating sand passage 241 connect with several sand-spraying holes 231.
The material of entity 240 is aluminium or timber.
Integrally second penetrate the sand passage 241 one or more sand-spraying holes 231 of corresponding connection.
Every second angle penetrating sand passage and horizontal plane is set to 60 to 90 degree.
Some the second volume penetrating sand passage accounts for the 5%～50% of the volume penetrating sand chamber in prior art.
During coremaking, sand-shooting head is firstly moved to add the lower section of sand hopper and adds molding sand, molding sand includes being first filled with the second molding sand penetrating sand passage and filling up the molding sand of blasting unit afterwards, sand-shooting head then moves to the lower section of sand shooting mechanism, sand shooting mechanism is passed through compressed air in sand-shooting head, compressed air drives the molding sand in blasting unit to promote the second molding sand major part penetrating in sand passage to enter sand shooting mouth, therefore, second part penetrating the molding sand in sand passage is transferred in core box by sand shooting mouth, and the molding sand in blasting unit is transferred to second and is penetrated in sand passage, when the molding sand in blasting unit be completely transferred to second penetrate in sand passage time, now, compressed-air actuated motive force weakens significantly, a general core-shooting process i.e. terminates, second to penetrate the spatial volume of sand passage less, therefore, penetrate sand mold sand residual seldom.
nullEmbodiment two: see Fig. 3，As shown in legend therein，A kind of multichannel sand-shooting head，Including blasting unit 310、Sand-shooting head body 320、Sand ejection board 330 and several sand shooting mouth (not shown)s，Blasting unit 310 has first and penetrates sand passage 311，First penetrates sand passage 311 has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，Sand-shooting head body 320 has penetrates sand chamber 321，Penetrate sand chamber 321 and there is the chamber ingress being positioned at upper end and the chamber outlet being positioned at lower end，Sand ejection board 330 is provided with several sand-spraying holes 331，Above-mentioned chamber ingress is connected to above-mentioned first discharging port，Sand ejection board 330 is arranged in above-mentioned chamber outlet，Several sand shooting mouth above-mentioned are separately mounted on several sand-spraying holes 331，The junction of above-mentioned first discharging port or chamber ingress or the first discharging port and chamber ingress also seals and is provided with installing plate 340，Installing plate 340 is provided through some pipelines，The inner chamber of this pipeline constitutes second and penetrates sand passage 341，Second penetrates sand passage 341 has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Some second several second charging ports penetrating sand passage 341 and the connection of the first discharging port，Some second several the second discharging ports penetrating sand passage 341 connect with several sand-spraying holes 331.
The material of above-mentioned pipeline is steel.
Integrally second penetrate the sand passage 341 one or more sand-spraying holes 331 of corresponding connection.
Every second angle penetrating sand passage and horizontal plane is set to 60 to 90 degree.
Some the second volume penetrating sand passage accounts for the 5%～50% of the volume penetrating sand chamber in prior art.
During coremaking, sand-shooting head is firstly moved to add the lower section of sand hopper and adds molding sand, molding sand includes being first filled with the second molding sand penetrating sand passage and filling up the molding sand of blasting unit afterwards, sand-shooting head then moves to the lower section of sand shooting mechanism, sand shooting mechanism is passed through compressed air in sand-shooting head, compressed air drives the molding sand in blasting unit to promote the second molding sand major part penetrating in sand passage to enter sand shooting mouth, therefore, second part penetrating the molding sand in sand passage is transferred in core box by sand shooting mouth, and the molding sand in blasting unit is transferred to second and is penetrated in sand passage, when the molding sand in blasting unit be completely transferred to second penetrate in sand passage time, now, compressed-air actuated motive force weakens significantly, a general core-shooting process i.e. terminates, second to penetrate the spatial volume of sand passage less, therefore, penetrate sand mold sand residual seldom.
nullEmbodiment three: see Fig. 4，As shown in legend therein，A kind of multichannel sand-shooting head，Including blasting unit 410、Sand-shooting head body、Sand ejection board 420 and several sand shooting mouth (not shown)s，Blasting unit 410 has first and penetrates sand passage 411，First penetrates sand passage 411 has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，Sand ejection board 420 offers several sand-spraying holes 421，Several sand shooting mouth above-mentioned are separately mounted on several sand-spraying holes 421，Above-mentioned sand-shooting head body is made up of support 430 and the entity 440 being arranged on support 430，Some the passages independently arranged are offered on entity 440，This passage constitutes second and penetrates sand passage 441，Second penetrates sand passage 441 has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Some second several second charging ports penetrating sand passage 441 and the connection of the first discharging port，Some second several the second discharging ports penetrating sand passage 441 connect with several sand-spraying holes 421.
The material of entity 440 is aluminium or timber.
Integrally second penetrate the sand passage 441 one or more sand-spraying holes 421 of corresponding connection.
Every second angle penetrating sand passage and horizontal plane is set to 60 to 90 degree.
Some the second volume penetrating sand passage accounts for the 5%～50% of the volume penetrating sand chamber in prior art.
During coremaking, sand-shooting head is firstly moved to add the lower section of sand hopper and adds molding sand, molding sand includes being first filled with the second molding sand penetrating sand passage and filling up the molding sand of blasting unit afterwards, sand-shooting head then moves to the lower section of sand shooting mechanism, sand shooting mechanism is passed through compressed air in sand-shooting head, compressed air drives the molding sand in blasting unit to promote the second molding sand major part penetrating in sand passage to enter sand shooting mouth, therefore, second part penetrating the molding sand in sand passage is transferred in core box by sand shooting mouth, and the molding sand in blasting unit is transferred to second and is penetrated in sand passage, when the molding sand in blasting unit be completely transferred to second penetrate in sand passage time, now, compressed-air actuated motive force weakens significantly, a general core-shooting process i.e. terminates, second to penetrate the spatial volume of sand passage less, therefore, penetrate sand mold sand residual seldom.
nullEmbodiment four: see Fig. 5，As shown in legend therein，A kind of multichannel sand-shooting head，Including blasting unit 510、Sand-shooting head body、Sand ejection board 520 and several sand shooting mouth (not shown)s，Blasting unit 510 has first and penetrates sand passage 511，First penetrates sand passage 511 has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，Sand ejection board 520 offers several sand-spraying holes 521，Several sand shooting mouth above-mentioned are separately mounted on several sand-spraying holes 521，Above-mentioned first discharging port sealing is provided with installing plate 530，Above-mentioned sand-shooting head body is made up of support 540 and some the pipelines running through installing plate 530，The inner chamber of this pipeline constitutes second and penetrates sand passage 541，Second penetrates sand passage 541 has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Some second several second charging ports penetrating sand passage 541 and the connection of the first discharging port，Some second several the second discharging ports penetrating sand passage 541 connect with several sand-spraying holes 521.
The material of above-mentioned pipeline is steel.
Integrally second penetrate the sand passage 541 one or more sand-spraying holes 521 of corresponding connection.
Every second angle penetrating sand passage and horizontal plane is set to 60 to 90 degree.
Some the second volume penetrating sand passage accounts for the 5%～50% of the volume penetrating sand chamber in prior art.
During coremaking, sand-shooting head is firstly moved to add the lower section of sand hopper and adds molding sand, molding sand includes being first filled with the second molding sand penetrating sand passage and filling up the molding sand of blasting unit afterwards, sand-shooting head then moves to the lower section of sand shooting mechanism, sand shooting mechanism is passed through compressed air in sand-shooting head, compressed air drives the molding sand in blasting unit to promote the second molding sand major part penetrating in sand passage to enter sand shooting mouth, therefore, second part penetrating the molding sand in sand passage is transferred in core box by sand shooting mouth, and the molding sand in blasting unit is transferred to second and is penetrated in sand passage, when the molding sand in blasting unit be completely transferred to second penetrate in sand passage time, now, compressed-air actuated motive force weakens significantly, a general core-shooting process i.e. terminates, second to penetrate the spatial volume of sand passage less, therefore, penetrate sand mold sand residual seldom.
Claims (10)
- null1. a multichannel sand-shooting head，Including blasting unit、Sand-shooting head body、Sand ejection board and several sand shooting mouth，Described sand ejection board is arranged on the lower end of described sand-shooting head body，Several sand-spraying holes it are provided with in sand ejection board，Sand shooting mouth is separately mounted on each sand-spraying hole，Described blasting unit has first and penetrates sand passage，Described first penetrates sand passage has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，It is characterized in that: described sand-shooting head this most internal be provided with the most independent some second and penetrate sand passage，Each described second penetrates sand passage has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Each described second the second charging port penetrating sand passage connects with described first discharging port，Each described second penetrates the sand-spraying hole connection that the second discharging port of sand passage is corresponding with in sand ejection board respectively.
- Multichannel sand-shooting head the most according to claim 1, it is characterized in that: described sand-shooting head body is made up of the sand chamber of penetrating in housing and housing, described penetrating is filled with entity in sand chamber, described several passages that physically offer, and described passage constitutes described second and penetrates sand passage.
- Multichannel sand-shooting head the most according to claim 1, it is characterized in that: described sand-shooting head body is made up of the sand chamber of penetrating in housing and housing, described penetrate sand chamber ingress or described first discharging port or described in penetrate the junction of sand chamber ingress and described first discharging port and seal and be provided with installing plate, being provided through some pipelines on described installing plate, described pipeline constitutes described second and penetrates sand passage.
- Multichannel sand-shooting head the most according to claim 1, it is characterised in that: described sand-shooting head this most internal be provided with at least 2 described second and penetrate sand passage, described second penetrates the bar number number less than or equal to described sand-spraying hole of sand passage.
- Multichannel sand-shooting head the most according to claim 1, it is characterised in that: arbitrary described second area penetrating sand passage cross section in the horizontal direction is 20 square millimeters～400 square millimeters.
- null6. a multichannel sand-shooting head，Including blasting unit、Sand-shooting head body、Sand ejection board and several sand shooting mouth，Described blasting unit has first and penetrates sand passage，Described first penetrates sand passage has the first charging port being positioned at upper end and the first discharging port being positioned at lower end，Several sand-spraying holes it are provided with in sand ejection board，Sand shooting mouth is separately mounted on each sand-spraying hole，It is characterized in that: described sand-shooting head body is penetrated sand passage by support and independently arrange some second and formed，Described support is connected to the lower end of described blasting unit，Described sand ejection board is connected to the lower end of described support，Described second penetrates sand passage has the second charging port being positioned at upper end and the second discharging port being positioned at lower end，Described some second several the second charging ports penetrating sand passage connect with described first discharging port，Described some second several the second discharging ports penetrating sand passage connect with several sand-spraying holes described.
- Multichannel sand-shooting head the most according to claim 6, it is characterised in that: being provided with entity, described several passages that physically offer on described support, described passage constitutes described second and penetrates sand passage.
- Multichannel sand-shooting head the most according to claim 6, it is characterised in that: described first discharging port sealing is provided with installing plate, and described installing plate is provided through some pipelines, and described pipeline constitutes described second and penetrates sand passage.
- Multichannel sand-shooting head the most according to claim 6, it is characterised in that: described sand-shooting head body includes that at least 2 described second are penetrated sand passage, and described second penetrates the bar number number equal to described sand-spraying hole of sand passage.
- Multichannel sand-shooting head the most according to claim 6, it is characterised in that: arbitrary described second area penetrating sand passage cross section in the horizontal direction is 20 square millimeters～400 square millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418936.5A CN105855478A (en) | 2016-06-15 | 2016-06-15 | Multi-channel sand shooting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418936.5A CN105855478A (en) | 2016-06-15 | 2016-06-15 | Multi-channel sand shooting head |
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| Publication Number | Publication Date |
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| CN105855478A true CN105855478A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610418936.5A Pending CN105855478A (en) | 2016-06-15 | 2016-06-15 | Multi-channel sand shooting head |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1405398A (en) * | 1921-03-21 | 1922-02-07 | Robert B Campbell | Sand-hopper construction |
| DE10207196A1 (en) * | 2002-02-21 | 2002-10-10 | Josef Mertes | Device for sealing a molding chamber used for sealing foundry sand mold comprises spacer frame having contact surface formed from elastically deformable seal on which the upper metallic contact surface of filling frame is pressed |
| CN202725983U (en) * | 2012-08-28 | 2013-02-13 | 天津久增金属有限公司 | Device for adjusting sand jet quantity of cast hot box |
| CN104439109A (en) * | 2014-12-15 | 2015-03-25 | 南车眉山车辆有限公司 | Sand-guiding and sand-saving accessory plate of sand-blowing plate of core box of core shooter |
| CN204220945U (en) * | 2014-10-09 | 2015-03-25 | 苏州明志科技有限公司 | The sand-shooting head device of sand function led by a kind of band |
| CN205798355U (en) * | 2016-06-15 | 2016-12-14 | 苏州明志科技有限公司 | A kind of multichannel sand-shooting head |
-
2016
- 2016-06-15 CN CN201610418936.5A patent/CN105855478A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1405398A (en) * | 1921-03-21 | 1922-02-07 | Robert B Campbell | Sand-hopper construction |
| DE10207196A1 (en) * | 2002-02-21 | 2002-10-10 | Josef Mertes | Device for sealing a molding chamber used for sealing foundry sand mold comprises spacer frame having contact surface formed from elastically deformable seal on which the upper metallic contact surface of filling frame is pressed |
| CN202725983U (en) * | 2012-08-28 | 2013-02-13 | 天津久增金属有限公司 | Device for adjusting sand jet quantity of cast hot box |
| CN204220945U (en) * | 2014-10-09 | 2015-03-25 | 苏州明志科技有限公司 | The sand-shooting head device of sand function led by a kind of band |
| CN104439109A (en) * | 2014-12-15 | 2015-03-25 | 南车眉山车辆有限公司 | Sand-guiding and sand-saving accessory plate of sand-blowing plate of core box of core shooter |
| CN205798355U (en) * | 2016-06-15 | 2016-12-14 | 苏州明志科技有限公司 | A kind of multichannel sand-shooting head |
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Application publication date: 20160817 |
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