CN110899635B - Ejecting mechanism for double-station core shooting machine - Google Patents
Ejecting mechanism for double-station core shooting machine Download PDFInfo
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- CN110899635B CN110899635B CN201911182940.6A CN201911182940A CN110899635B CN 110899635 B CN110899635 B CN 110899635B CN 201911182940 A CN201911182940 A CN 201911182940A CN 110899635 B CN110899635 B CN 110899635B
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- fixed
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- lower template
- rotating
- rotating shaft
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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
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
Abstract
The invention discloses an ejection mechanism for a double-station core shooter, which belongs to the technical field of core shooters and comprises a workbench, wherein two guide plates are symmetrically fixed on the workbench, a lower template is connected on the guide plates in a sliding manner, a rack pushing assembly is arranged on the bottom surface of the lower template, a top plate, an ejector rod and a d ejector block are arranged at the center of the lower template, and a rotating assembly is arranged on the guide plates.
Description
Technical Field
The invention relates to the technical field of core shooters, in particular to a material ejecting mechanism for a double-station core shooter.
Background
The injection and compression molding machine is a common injection and compression molding machine which uses compressed air to uniformly inject molding sand into a sand box for pre-compaction, and then applies pressure to perform compaction, and the common injection and compression molding machine is a vertical parting flaskless injection and compression molding machine and a horizontal parting flaskless injection and compression molding machine.
The vertical parting flaskless shooting and pressing molding machine does not need a sand box for molding, molding sand is directly shot into a molding chamber with a template, the size precision of the manufactured sand mould is high, cavities are arranged on two surfaces of the sand box, the production efficiency is high, core setting is difficult, and the requirement on the quality of the molding sand is strict; the horizontal parting and stripping injection molding machine utilizes the sand box to mold, and the sand box is closed and stripped after being manufactured, so that the core setting is convenient, and the production efficiency is high.
The core shooter adopts precoated sand to make the core, and is widely applied to the casting industry, and the core made by the core shooter has accurate size and smooth surface; the precoated sand process is characterized in that thermoplastic phenolic resin, a latent curing agent and a lubricant are prepared into precoated sand through a certain precoating process, when the precoated sand is heated, the resin coated on the surface of sand grains is melted, and a linear structure is quickly converted into a non-melted body structure, so that the precoated sand is cured and molded.
The core shooting machine has the working principle that a core-sand mixture taking liquid or solid thermosetting resin as a binder is shot into a heated core box, a sand core is preheated in the core box and quickly hardened to a certain thickness of about 5-10 mm, and then the sand core is taken out, so that a high-quality sand core finished product with a smooth surface and an accurate size is formed. The core shooter has high production efficiency and accurate size of the sand mold, and can properly reduce the processing amount; simple operation and high casting yield.
When the double-station core shooter works, a lower die is arranged on a lower die plate, the lower die plate is usually fixed on a workbench and is inconvenient to move, the upper die and the lower die are opposite in position, and a material ejecting mechanism is not arranged and is only taken out manually, so that the core taking is inconvenient.
Based on the above, the invention designs the material ejecting mechanism for the double-station core shooting machine, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a material ejecting mechanism for a double-station core shooting machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a material ejecting mechanism for a double-station core shooting machine comprises a workbench, wherein two guide plates are symmetrically fixed on the front side of the top surface of the workbench, a through groove is formed in the middle of the top surface of each guide plate, two parallel guide rods are symmetrically fixed on the two sides of each guide plate, a lower template is arranged above the guide plates, the bottom surface of the lower template is connected with the two corresponding guide rods in a sliding way, racks are symmetrically fixed on two sides of the bottom surface of the lower template, a pushing assembly is arranged in the middle of the bottom surface, a circular plate groove is arranged at the center of the top surface of the lower template, an ejector rod is connected at the center of the bottom surface of the plate groove in a sliding manner along the vertical direction, the top end of the ejector rod extends into the plate groove, the bottom end of the ejector rod extends out of the moving hole and is fixed with an ejector block, rotating seats are symmetrically arranged on two sides of the through groove of the guide plate, a rotating assembly is arranged between the two rotating seats, and the rack is correspondingly connected with the rotating assembly.
Preferably, the pushing assembly comprises a pushing cylinder fixed on the workbench, a pushing plate is fixed at the output end of the pushing cylinder, and the pushing plate is vertically fixed on the front side of the bottom surface of the lower template and is located in the middle of the front end.
Preferably, the rotating assembly comprises a rotating shaft, two sides of the rotating shaft are rotatably connected with the rotating seat through bearings, an eccentric wheel is fixed in the middle of the rotating shaft, the top block is correspondingly connected with the wheel surface of the eccentric wheel, and two ends of the rotating shaft extend out of the rotating shaft and are fixed with gears which are meshed with the racks.
Preferably, the top surface of lower dress template evenly is provided with a plurality of mounting holes, and the mounting hole is set up to the screw hole.
Preferably, the rotating seat is connected with the top surface of the guide plate in a sliding mode, a threaded hole is formed in the front side surface of the rotating seat, a screw rod is connected with the guide plate in a threaded mode through the threaded hole, the screw rod is connected with the guide plate in a rotating mode, and a rotating handle is fixed to the front side end of the screw rod.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the mold is arranged on the lower template, the core-coated sand molding processing is carried out through the core shooter, after the processing is finished, the lower template and the mold are driven to move outwards through the pushing assembly, the eccentric wheel is driven to rotate through the rotating shaft under the action of the rack and the gear while the lower template and the mold move outwards, the ejector block on the bottom surface of the lower template is contacted with the eccentric wheel and jacked up, the ejector block and the ejector rod drive the top plate to move upwards, so that the top plate extends out of the plate groove, the mold is ejected out, the sand core is taken out, the mold on the lower template and the upper template are staggered in position through the pushing cylinder and the ejector plate, the sand core is taken out conveniently, and the top plate automatically ejects the mold while moving outwards, so that the sand core is taken out more conveniently and rapidly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention at A;
FIG. 3 is a schematic view of the attachment of the undermount template and the table of the present invention;
fig. 4 is a schematic view of the position of the lower template and the top plate according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-workbench, 101-guide plate, 102-guide rod, 103-rotating seat, 2-rotating shaft, 201-eccentric wheel, 202-gear, 3-lower template, 301-push plate, 302-rack, 303-top plate and 304-top block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example one
Referring to the drawings, the present invention provides a technical solution: a material ejecting mechanism for a double-station core shooting machine comprises a workbench 1, wherein two guide plates 101 are symmetrically fixed on the front side of the top surface of the workbench 1, a through groove is formed in the middle of the top surface of each guide plate 101, two parallel guide rods 102 are symmetrically fixed on two sides of each guide plate 101, a lower template 3 is arranged above each guide plate 101, the bottom surface of each lower template 3 is in sliding connection with the corresponding two guide rods 102, racks are symmetrically fixed on two sides of the bottom surface of each lower template 3, a pushing assembly is arranged in the middle of the bottom surface, a circular plate groove is formed in the center of the top surface of each lower template 3, a top rod is connected to the center of the bottom surface of each plate groove in a sliding mode along the vertical direction, the top end of each top rod extends into the plate groove and is fixed with a top plate 303, the bottom end of each top rod extends out of a moving hole and is fixed with a top block 304, rotating seats 103 are symmetrically arranged on two, and the rack is correspondingly connected with the rotating component.
Preferably, the pushing assembly comprises a pushing cylinder fixed on the workbench 1, a pushing plate 301 is fixed at the output end of the pushing cylinder, and the pushing plate 301 is vertically fixed at the front side of the bottom surface of the lower template 3 and is located in the middle of the front end.
Preferably, the rotating assembly comprises a rotating shaft 2, two sides of the rotating shaft 2 are rotatably connected with the rotating base 103 through bearings, an eccentric wheel 201 is fixed in the middle of the rotating shaft 2, a top block 304 is correspondingly connected with the wheel surface of the eccentric wheel 201, two ends of the rotating shaft 2 extend out of the rotating shaft 2 and are fixed with a gear 202, and the gear 202 is meshed with a rack 302.
Preferably, the top surface of the lower template 3 is uniformly provided with a plurality of mounting holes, and the mounting holes are threaded holes.
The working principle of the embodiment is as follows: installing a mould on a lower template 3, carrying out core-covering sand molding processing through a core shooter, after the processing is finished, starting a pushing cylinder, driving the lower template 3 and the mould to move outwards under the action of a push plate 301, driving a rack 302 at the bottom of an ejector rod to gradually contact and mesh with a gear 202 while the lower template 3 and the mould move outwards, enabling a rotating shaft 2 to drive an eccentric wheel 201 to rotate under the action of the rack 302 and the gear 202, enabling an ejector block at the bottom surface of the lower template 3 to contact with the eccentric wheel 201 and be jacked up, driving a top plate 303 to move upwards by the ejector block 304 and the ejector rod, enabling the top plate 303 to extend out of a plate groove and ejecting out the mould, thereby completing the taking out of a sand core, enabling the mould on the lower template 3 to be staggered with the upper template through the pushing cylinder and the push plate 301, facilitating the taking out of the sand core, and simultaneously enabling the top plate 303 to automatically eject out the, the sand core can be taken out more conveniently and quickly.
Example two
The structure of this embodiment is substantially the same as that of the first embodiment, except that the rotating base 103 is slidably connected to the top surface of the guide plate 101, the front side surface is provided with a threaded hole, and is threadedly connected to a threaded rod through the threaded hole, the threaded rod is rotatably connected to the guide plate 101, and the front side end is fixed with a rotating handle.
When the ejection position and the ejection height of the mold need to be adjusted, the screw rod is rotated to drive the rotating seat 103 to move along the guide plate 101, the position of the rotating assembly is adjusted, so that the rotating assembly is located at the ejection position of the mold, and when the lower die plate 3 and the mold reach the position, the top plate 303 ejects the mold through the action of the gear 202, the eccentric wheel 201 and the rack 302; meanwhile, by adjusting the position of the rotating assembly, when the lower die plate 3 reaches the ejection position, the moving distance of the rack is converted into the rotating angle of the gear and the eccentric wheel, so that the ejection height of the ejector block and the ejector plate by the eccentric wheel is adjusted, namely the ejection height of the die is adjusted.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The utility model provides a duplex position core shooting machine liftout mechanism, includes workstation (1), its characterized in that: the front side of the top surface of the workbench (1) is symmetrically fixed with two guide plates (101), the middle of the top surface of each guide plate (101) is provided with a through groove, two parallel guide rods (102) are symmetrically fixed on two sides, a lower template (3) is arranged above the guide plates (101), the bottom surface of the lower template (3) is in sliding connection with the two corresponding guide rods (102), racks are symmetrically fixed on two sides of the bottom surface of the lower template (3), a pushing assembly is arranged in the middle of the bottom surface, a circular plate groove is arranged at the center of the top surface of the lower template (3), a top rod is connected at the center of the bottom surface of the plate groove in a sliding manner along the vertical direction, the top end of the top rod extends into the plate groove and is fixed with a top plate (303), the bottom end of the top rod extends out of a moving hole and is fixed with a top block (304), rotating seats (103) are symmetrically arranged on two sides of the, a rotating assembly is arranged between the two rotating seats, and the rack is correspondingly connected with the rotating assembly;
the rotating assembly comprises a rotating shaft (2), two sides of the rotating shaft (2) are rotatably connected with a rotating seat (103) through bearings, an eccentric wheel (201) is fixed in the middle of the rotating shaft (2), a top block (304) is correspondingly connected with the wheel surface of the eccentric wheel (201), two ends of the rotating shaft (2) extend out of the rotating shaft (2) and are fixed with a gear (202), and the gear (202) is meshed with a rack (302);
the rotary seat (103) is in sliding connection with the top surface of the guide plate (101), a threaded hole is formed in the front side surface of the rotary seat, a screw rod is connected with the guide plate (101) in a threaded mode through the threaded hole, and a rotary handle is fixed to the front side end of the screw rod.
2. The ejection mechanism for the double-station core shooter according to claim 1, characterized in that: the pushing assembly comprises a pushing cylinder fixed on the workbench (1), the output end of the pushing cylinder is fixed with a pushing plate (301), and the pushing plate (301) is vertically fixed on the front side of the bottom surface of the lower template (3) and is located in the middle of the front end.
3. The ejection mechanism for the double-station core shooter according to claim 1, characterized in that: the top surface of lower dress template (3) evenly is provided with a plurality of mounting holes, and the mounting hole is established to the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182940.6A CN110899635B (en) | 2019-11-27 | 2019-11-27 | Ejecting mechanism for double-station core shooting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182940.6A CN110899635B (en) | 2019-11-27 | 2019-11-27 | Ejecting mechanism for double-station core shooting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110899635A CN110899635A (en) | 2020-03-24 |
| CN110899635B true CN110899635B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911182940.6A Active CN110899635B (en) | 2019-11-27 | 2019-11-27 | Ejecting mechanism for double-station core shooting machine |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253304A (en) * | 1961-07-27 | 1966-05-31 | Osborn Mfg Co | Mold and core blowing machine and process |
| CN103949582B (en) * | 2014-04-08 | 2016-02-10 | 宁波全力机械模具有限公司 | For the link gear taking out plunger tip and folding mould of core-shooting box die |
| CN204271116U (en) * | 2014-12-30 | 2015-04-15 | 河北科技师范学院 | A kind of laminating machine jacking apparatus |
| CN104785748B (en) * | 2015-03-25 | 2018-11-09 | 池州市华兴天骑精密机械铸造有限公司 | A kind of casting device being used continuously |
| CN110039011B (en) * | 2019-06-05 | 2021-04-30 | 含山县富瑞机械厂 | Movable double-station core shooter |
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- 2019-11-27 CN CN201911182940.6A patent/CN110899635B/en active Active
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