CN107838386B - A kind of sand core dipping unit - Google Patents
A kind of sand core dipping unit Download PDFInfo
- Publication number
- CN107838386B CN107838386B CN201711420313.2A CN201711420313A CN107838386B CN 107838386 B CN107838386 B CN 107838386B CN 201711420313 A CN201711420313 A CN 201711420313A CN 107838386 B CN107838386 B CN 107838386B
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- China
- Prior art keywords
- bend pipe
- pond
- sand core
- coating
- dipping unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
- B22C23/02—Devices for coating moulds or cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The present invention relates to casting technology fields, disclose a kind of sand core dipping unit, including Nei Chi and outer pond, further include: bend pipe is set in the interior pond, offers through-hole on the tube wall of the bend pipe, the open at one end of the bend pipe is connected to outer pond by pump, driving device, output end act on the other end of the bend pipe, and the driving device is able to drive bend pipe along the lower rotation in interior pond.Bend pipe can stir in coating pond in the present invention, and the through-hole on bend pipe can spray coating under the action of pump, disturbance effect is generated to coating around it, the mode of this jet agitation makes the coating in entire in pond always in flow regime, and sticky depositional phenomenon will not occur, even if forming precipitating after dying, when next time uses, coating in interior pond can also re-mix uniformly under the action of bend pipe, and the sand core surface coating consistency of thickness of such dip-coating, sand core product quality is improved.
Description
Technical field
The present invention relates to casting technology field more particularly to a kind of sand core dipping units.
Background technique
The coating used when casting is more sticky, particle is thick and suspension is poor, easy deposition, therefore it is difficult to ensure that each sand core
The consistency of thickness of dope layer after dip-coating.To solve this problem, traditional sand core dipping unit is in one end of dipping unit or one jiao
Place increases pony mixer structure, carries out circulation stirring to the coating in dipping unit.But the technology have the defects that it is certain, one
It is that this rabbling mechanism is undersized, stirring action can only be played to the local location of dipping unit, most of region inside courtyard
Depositional phenomenon cannot improve, and still will affect the quality of sand core surface covering；Second is that the coating needs to carry out often because of deposition
Replacement, general fortnight or so just need replacing.
Prior art discloses a kind of new coating ponds, described including the buffer pool that coating pond ontology and its outside are arranged
The kinetic pump that its internal liquid mutual circulation can be made to circulate, the import of kinetic pump are provided between coating pond ontology and buffer pool
End is connected with the bottom of buffer pool, and the outlet end of kinetic pump is connected with the bottom of coating pond ontology.The setting is only in coating
Coating material outlet is arranged in the bottom of pond ontology, is allowed to be connected to buffer pool, therefore the stirring action played is very faint, only goes out in coating
The part of mouth has certain stirring coating effect, coating can not be made more thoroughly and uniformly to mix.
Thus, it is necessary to propose a kind of sand core dipping unit, to solve, existing sand core dipping unit mixing effect is bad to be lacked
Point.
Summary of the invention
The purpose of the present invention is to provide a kind of sand core dipping units, can be by increasing the mixing effect in dipping unit to mention
The uniformity of high coating.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of sand core dipping unit, including Nei Chi and outer pond, further includes: bend pipe is set in the interior pond, the bend pipe
Tube wall on offer through-hole, one end of the bend pipe is connected to outer pond, driving device by pump, and output end acts on described
The other end of bend pipe, the driving device are able to drive the bend pipe and swing.
Preferably, the bend pipe is " several " font, including the bending segment, linkage section, horizontal segment, connection being sequentially connected
Section and bending segment；Two bending segments are installed in rotation in rack；Two linkage sections are respectively and in the interior pond
Opposite two side walls are parallel, and the horizontal segment of the bend pipe is parallel to the bottom wall in the interior pond.The bending segment of bend pipe is rotatablely installed
On the rack, then bending segment rotates, and will drive linkage section and horizontal segment rotates together.Again due to bend pipe fall " several " word shape,
So that linkage section and horizontal segment are located in interior pond, bending segment drives linkage section and horizontal segment to stir in interior pond, and playing will apply
Expect the effect stirred evenly.
Preferably, the sand core dipping unit further include: connecting rod comprising interconnecting piece and shake portion, the interconnecting piece with
The shake portion is vertical, and the interconnecting piece is fixedly connected on a wherein bending segment, and the shake portion and the driving fill
The output end rotation connection set；The driving device is rotationally connected with the rack.The setting can drive shake portion
The reciprocating motion of arc is done in one end, and the central point of shake portion rotation is the junction of interconnecting piece and bending segment.
Preferably, one end of the interconnecting piece offers blind hole, the blind hole and one end interference of the bending segment are matched
It closes.The setting is equivalent to bending segment and protrudes into blind hole, then the side wall of interconnecting piece encloses bending segment, can be firmly solid by bending segment
It is scheduled in blind hole, so that bending segment can also rotate with it when interconnecting piece is rotated around its own axis.
Preferably, the outer peripheral surface of the interconnecting piece is arranged with bearing, the bearing is installed on the rack.The setting makes
Obtaining interconnecting piece can rotate in rack freely movable about its own axis, also ensure that interconnecting piece can only rotate, without
There is displacement.
Preferably, the driving device is cylinder.The output end of cylinder does straight-line feed movement, guarantees that output end can
The one end in shake portion is driven to do the reciprocating motion of arc.
Preferably, multiple through-holes are located at the horizontal segment.Multiple through-holes are set at the horizontal segment of bend pipe, are applied
Material can enter interior pond from outer pond along multiple through-holes, turbulent water be had around through-hole, to play certain stirring
Effect.
Preferably, the material of the bend pipe is stainless steel.Stainless steel has stronger corrosion resistance, and long period of soaking is applying
It will not there is a phenomenon where rust corrosions in material.
Preferably, the pump is diaphragm pump, the entrance of the pump connect with the outer pond, the outlet of the pump with it is described
Described one end of bend pipe connects.The coating in outer pond can be transported to Nei Chizhong by diaphragm pump, the coating in interior pond can be maintained
In certain liquid level, keep each sand core dip-coating rear surface dope layer abundant.
Preferably, the sand core dipping unit further includes protective net, it is horizontally placed in the interior pond.If sand core occurs
It falls, protective net can catch sand core, prevent sand core from damaging interior pond or bend pipe.
The beneficial effect of sand core dipping unit is in the present invention:
1) bend pipe can be stirred in coating pond, and the through-hole on bend pipe can spray coating under the action of pump,
Disturbance effect is generated to coating around it, the mode of this jet agitation makes the coating in entire in pond always in flowing shape
Sticky depositional phenomenon will not occur for state.Even if forming precipitating after dying, next time, coating when using in interior pond can also be in bend pipe
Under the action of re-mix uniformly, the sand core surface coating consistency of thickness of such dip-coating, sand core product quality is improved；
2) bottom of pond portion does not have coating deposition in, can improve the utilization rate of coating, reduce production cost；
3) coating in outer pond can be supplemented at any time Nei Chizhong by diaphragm pump, and the liquid level in interior pond is made to maintain certain height
Degree, then each sand core dip-coating all can dip-coating to certain altitude, ensure that the consistency of product.
Detailed description of the invention
Fig. 1 is the main view of sand core dipping unit in the present invention；
Fig. 2 is the cross-sectional view of sand core dipping unit in the present invention；
Fig. 3 is the partial enlarged view in Fig. 1 at A；
Fig. 4 is that connecting rod is in position left view for the moment in the present invention；
Fig. 5 is in left view when position two for connecting rod in the present invention；
Fig. 6 is the B-B cross-sectional view of Fig. 1；
Fig. 7 is the piping connection schematic diagram of sand core dipping unit in the present invention.
In figure:
1, interior pond；2, outer pond；
3, bend pipe；31, bending segment；32, linkage section；33, horizontal segment；
4, driving device；
5, connecting rod；51, interconnecting piece；52, shake portion；
6, protective net；7, it pumps；8, bearing；9, power source.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, present embodiment discloses a kind of sand core dipping unit, including interior pond 1 and outer pond 2, outer pond 2 are sheathed on interior
It further include bend pipe 3, driving device 4 and connecting rod 5 outside pond 1.Wherein, the material of bend pipe 3 is stainless steel, and stainless steel has stronger
Corrosion resistance, long period of soaking will not there is a phenomenon where rust corrosions in coating.The middle section of bend pipe 3 is set to interior pond 1
In, one end (being right end in Fig. 1) of bend pipe 3 has opening, which, which is connected to, pumps 7 (not shown in figure 1)s, on the tube wall of bend pipe 3
Through-hole is offered, outer pond 2 is connected to through-hole by pump 7.The output end of driving device 4 acts on the another of bend pipe 3 by connecting rod 5
End, driving device 4 are able to drive bend pipe 3 and swing in interior pond 1.In this way, the rotation of bend pipe 3 will be stirred coating, from
And coating is prevented to be deposited on interior 1 bottom of pond.
As shown in Fig. 2, bend pipe 3 in fall " several " font, including be sequentially connected bending segment 31, linkage section 32, horizontal segment 33,
Linkage section 32 and bending segment 31 respectively correspond down the character form structure of " several " font from left to right.Two bending segments 31 can be rotated
Ground is mounted on the rack, and two linkage sections 32 of bend pipe 3 are parallel with two side walls opposite in interior pond 1 respectively, the level of bend pipe 3
Section 33 is parallel to the bottom wall in interior pond 1.On the rack, then bending segment 31 rotates, the company of will drive for the rotational installation of bending segment 31 of bend pipe 3
It connects section 32 and horizontal segment 33 rotates together.Again due to " several " word shape of bend pipe 3, so that linkage section 32 and horizontal segment 33 are located at
In interior pond 1, bending segment 31 drives linkage section 32 and horizontal segment 33 to stir in interior pond 1, plays the effect for stirring evenly coating
Fruit.Connecting rod 5 includes interconnecting piece 51 and shake portion 52, and interconnecting piece 51 is vertical with shake portion 52, and interconnecting piece 51 is fixedly connected on wherein
The output end of one bending segment 31, shake portion 52 and driving device 4 is rotatablely connected, and driving device 4 is rotationally connected with rack.This sets
The reciprocating motion that the one end in shake portion 52 can be driven to do arc is set, the center that shake portion 52 rotates is interconnecting piece 51 and bending segment
31 junction.
Specifically, multiple through-holes are provided on the horizontal segment 33 of bend pipe 3, in this way, coating can along multiple through-hole from
Enter interior pond 1 in outer pond 2, turbulent water is had around through-hole, to play certain mixing effect.
Sand core dipping unit in the present embodiment further includes protective net 6, is set in interior pond 1.If sand core is fallen, prevent
Protective net 6 can catch sand core, prevent sand core from damaging interior pond 1 or bend pipe 3.
As shown in figure 3, one end of interconnecting piece 51 offers blind hole, one end interference fit of blind hole and bending segment 31.This sets
It sets and is equivalent to bending segment 31 and protrudes into blind hole, then the side wall of interconnecting piece 51 encloses bending segment 31, can be by bending segment 31 firmly
It is fixed in blind hole, so that bending segment 31 can also rotate with it when interconnecting piece 51 is rotated around its own axis.Interconnecting piece 51 is somebody's turn to do
It is provided with bearing 8 between end and rack, then interconnecting piece 51 can rotate in rack freely movable about its own axis, is also guaranteed
Interconnecting piece 51 can only rotate, without having displacement.
As shown in Figure 4 and Figure 5, driving device 4 is cylinder.The output end of cylinder can move in a straight line, then output end energy
Do the reciprocating motion of arc in enough one end for driving shake portion 52.The shake portion 52 of connecting rod 5 is in the shape with horizontal plane in Fig. 4
State, driving device 4 is in horizontality at this time, and accordingly, bend pipe 3 is in the vertical state in Fig. 6.When the horizontal segment of bend pipe 3
When the two sides movement in the 33 inside ponds 1 of needs, shake portion 52 needs to move.It can as shown in figure 5, turning right for shake portion 52
The extreme position reached, pin shaft of the driving device 4 in rack rotates counterclockwise at this time, and output end elongation is somebody's turn to do with meeting
The distance requirement of extreme position；Accordingly, bend pipe 3 is in the state of the rightmost side in Fig. 6.When shake portion 52 is relative to plumbness
When turning left, pin shaft of the driving device 4 in rack is rotated counterclockwise at this time, and output end shortens；Accordingly, curved
Pipe 3 is in the state of the leftmost side in Fig. 6.
As shown in fig. 7, the opening of the connection of bend pipe 3 pump 7 is connected to outer pond 2 by pump 7, pump 7 is diaphragm pump in the present embodiment,
Specifically, it is pumped for air diaphragms, power source 9 is compressed air, is capable of the liquid and high viscosity liquid of conveyer belt particle, is fitted
Conveying for coating.The entrance of pump 7 is connect with outer pond 2, is pumped 7 outlet and is connect with bend pipe 3.Diaphragm pump can be by outer pond 2
Coating is transported in interior pond 1, the coating in interior pond 1 can be maintained certain liquid level, be made table after each sand core dip-coating
Coating materials layer consistency of thickness.
The course of work of the sand core dipping unit is that worker fills coating in interior pond 1 first, adds coating in outer pond 2
To highest liquid level, 3 one side of bend pipe carries out reciprocally swinging under the drive of driving device 4, on the other hand pump 7 under the action of from
Coating is ejected in the through hole of horizontal segment 33, so that coating is uniformly mixed, bottom is deposited without coating.Manipulator grabs sand core
Carry out dip-coating, by sand core immerse in pond 1, the mobile distance of each manipulator is consistent, is put into the coating after sand core in interior pond 1
Meeting overflow is into outer pond 2.It should be noted that the opening on interior 1 top of pond is parallel to the horizontal plane, the coating of overflow can guarantee in this way
Outer pond 2 can be flowed out to simultaneously from four sides.Coating in outer pond 2 can continuously pass through the through-hole injection on pump 7 and bend pipe 3
To in interior pond 1, thus the moment supplement in pond 1 because dip-coating sand core reduction coating.
The linkage section 32 of the bend pipe 3 of sand core dipping unit and horizontal segment 33 can be stirred in coating pond in the present embodiment
It is dynamic, and the through-hole on horizontal segment 33 can spray coating under the action of pumping 7, generate disturbance effect to coating around it, it is this
The mode of jet agitation makes the coating in entire in pond 1 always in flow regime, and sticky depositional phenomenon will not occur, even if disconnected
The precipitating formed after gas, next time, coating when using in interior pond 1 can also re-mix uniformly, in this way under the action of bend pipe 3
The sand core surface coating consistency of thickness of dip-coating, sand core product quality are improved.
In other embodiments, multiple pony mixer structure such as mixing pumps etc. can also be set in interior pond 1, can make to stir
It is more uniform to mix effect.In addition, rabbling mechanism can also be increased in outer pond 2, prevent the coating in outer pond 2 from depositing to bottom.
The Applicant declares that the present invention has carried out illustrative description through the foregoing embodiment, it is clear that present invention specific implementation
It is not subject to the restrictions described above, as long as using changing for the various unsubstantialities that conception and technical scheme of the invention carry out
Into, or it is not improved the conception and technical scheme of the invention are directly applied to other occasions, in protection model of the invention
Within enclosing.
Claims (8)
1. a kind of sand core dipping unit, including interior pond (1) and outer pond (2), which is characterized in that further include:
Bend pipe (3) is set in the interior pond (1), and through-hole is offered on the tube wall of the bend pipe (3), the bend pipe (3)
One end by pump (7) be connected to outer pond (2), the bend pipe (3) be fall " several " font, including be sequentially connected bending segment (31),
Linkage section (32), horizontal segment (33), linkage section (32) and bending segment (31)；
Two bending segments (31) are installed in rotation in rack；Two linkage sections (32) respectively with the interior pond
(1) opposite two side walls are parallel in, and the horizontal segment (33) of the bend pipe (3) is parallel to the bottom wall of the interior pond (1)；
Driving device (4), output end act on the other end of the bend pipe (3)；
Connecting rod (5) comprising interconnecting piece (51) and shake portion (52), the interconnecting piece (51) is vertical with shake portion (52),
The interconnecting piece (51) is fixedly connected on a wherein bending segment (31), the shake portion (52) and the driving device
(4) output end rotation connection；The driving device (4) is rotationally connected with the rack, and the driving device (4) can
The bend pipe (3) are driven to swing.
2. sand core dipping unit according to claim 1, which is characterized in that one end of the interconnecting piece (51) offers blind
Hole, one end interference fit of the blind hole and the bending segment (31).
3. sand core dipping unit according to claim 2, which is characterized in that the outer peripheral surface of the interconnecting piece (51) is arranged with axis
It holds (8), the bearing (8) is installed on the rack.
4. sand core dipping unit according to claim 1, which is characterized in that the driving device (4) is cylinder.
5. sand core dipping unit according to claim 2, which is characterized in that multiple through-holes are located at the horizontal segment (33)
Place.
6. sand core dipping unit according to claim 1, which is characterized in that the material of the bend pipe (3) is stainless steel.
7. sand core dipping unit according to claim 1, which is characterized in that the pump (7) is diaphragm pump, the pump (7)
Entrance is connect with the outer pond (2), and the outlet of the pump (7) is connect with described one end of the bend pipe (3).
8. sand core dipping unit according to claim 1, which is characterized in that further include protective net (6), be horizontally placed on institute
It states in interior pond (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420313.2A CN107838386B (en) | 2017-12-25 | 2017-12-25 | A kind of sand core dipping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420313.2A CN107838386B (en) | 2017-12-25 | 2017-12-25 | A kind of sand core dipping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107838386A CN107838386A (en) | 2018-03-27 |
| CN107838386B true CN107838386B (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711420313.2A Active CN107838386B (en) | 2017-12-25 | 2017-12-25 | A kind of sand core dipping unit |
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| CN (1) | CN107838386B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568495B (en) * | 2018-04-27 | 2019-09-13 | 合肥工业大学 | A kind of movable type dips in pulp grinder |
| CN114950884A (en) * | 2022-05-26 | 2022-08-30 | 宁夏共享机床辅机有限公司 | Device for circularly stirring coating |
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|---|---|---|---|---|
| CN203664604U (en) * | 2014-01-14 | 2014-06-25 | 苏州勤美达精密机械有限公司 | Novel sand core soaking coating device |
| CN203843124U (en) * | 2014-05-27 | 2014-09-24 | 苏州小鹰铸造装备有限公司 | Sand core dip-coating device |
| CN104889345A (en) * | 2015-06-19 | 2015-09-09 | 天津久增金属有限公司 | Dip coating device for casting sand cores |
| CN105855483A (en) * | 2016-05-31 | 2016-08-17 | 共享装备股份有限公司 | Device for preventing loose sand suspension in dip-coating unit and dip-coating method of device |
| CN205519540U (en) * | 2016-04-29 | 2016-08-31 | 江苏锡华铸造有限公司 | Casting psammitolite dip -coating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170493A (en) * | 1992-12-07 | 1994-06-21 | Nissan Motor Co Ltd | Method for coating sand core |
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2017
- 2017-12-25 CN CN201711420313.2A patent/CN107838386B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203664604U (en) * | 2014-01-14 | 2014-06-25 | 苏州勤美达精密机械有限公司 | Novel sand core soaking coating device |
| CN203843124U (en) * | 2014-05-27 | 2014-09-24 | 苏州小鹰铸造装备有限公司 | Sand core dip-coating device |
| CN104889345A (en) * | 2015-06-19 | 2015-09-09 | 天津久增金属有限公司 | Dip coating device for casting sand cores |
| CN205519540U (en) * | 2016-04-29 | 2016-08-31 | 江苏锡华铸造有限公司 | Casting psammitolite dip -coating device |
| CN105855483A (en) * | 2016-05-31 | 2016-08-17 | 共享装备股份有限公司 | Device for preventing loose sand suspension in dip-coating unit and dip-coating method of device |
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| CN107838386A (en) | 2018-03-27 |
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