CN220497695U - Sand mould flow coating device - Google Patents
Sand mould flow coating device Download PDFInfo
- Publication number
- CN220497695U CN220497695U CN202321870884.7U CN202321870884U CN220497695U CN 220497695 U CN220497695 U CN 220497695U CN 202321870884 U CN202321870884 U CN 202321870884U CN 220497695 U CN220497695 U CN 220497695U
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- CN
- China
- Prior art keywords
- sand
- paint
- sand mould
- flow coating
- flow
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- 239000004576 sand Substances 0.000 title claims abstract description 131
- 238000000576 coating method Methods 0.000 title claims abstract description 75
- 239000011248 coating agent Substances 0.000 title claims abstract description 74
- 239000003973 paint Substances 0.000 claims abstract description 69
- 238000011084 recovery Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a sand mold flow coating device, which comprises: a frame; the frame is provided with two brackets which are oppositely arranged, the brackets are respectively provided with two supporting wheels which are rotatably arranged, at least one bracket is rotatably provided with a rotary flange, and the rotary flange is provided with two limiting plates which are oppositely arranged; the frame is provided with a paint conveying device for coating paint on the sand mould in a flow mode. When the sand mould is flow coated, the hanging handle of the sand mould is placed on the two riding wheels, the sand mould is positioned between the two limiting plates and is in contact with the two limiting plates, then the paint is flow coated on the sand mould through the paint conveying device, the sand mould 4 is turned over through the two limiting plates when the rotary flange rotates, the hanging handle rotates on the two riding wheels, the flow coating of different parts of the sand mould is facilitated, no dead angle is formed in the flow coating, and the redundant paint of the sand mould can flow down and can flow out completely. Compared with the prior art, the sand mould overturning device has the advantages that the structure is simple, the operation is convenient, the sand mould can be overturned, driving is not needed during sand mould flow coating, and potential safety hazards are small.
Description
Technical Field
The utility model relates to the technical field of casting equipment for diesel engine production, in particular to a sand mold flow coating device.
Background
In the casting process, coating the surface of the sand mold with paint is a main process in the casting process. The coating has the functions of blocking and isolating between the sand mould and molten iron, preventing sand sticking, sintering and the like of castings.
Common coating embodiments are: brush coating, dip coating, flow coating, spray coating, and the like. The brush coating is completed by using a brush manually, so that the labor intensity is high, the efficiency is low, and the quality of the paint is greatly affected by human factors; the dip-coating is not suitable for coating the sand mould, but only suitable for coating the surface of the sand core forming the inner cavity structure of the casting; when spraying, the paint needs to be sprayed out under the action of pressure, and a large amount of paint is sprayed in the spraying process, so that the surrounding working environment is poor, and the paint consumption is high; flow coating is the best and efficient method of applying paint to large sand.
The utility model patent with publication number of CN213002521U discloses a casting sand mold flow coater. The utility model particularly discloses a "put into the storage vat 19 with required coating and alcohol through charge door 20, drive stirring flabellum 18 at uniform velocity through agitator motor 17 and rotate, simultaneously guaranteed also that the coating is even unanimous in the storage vat, will be after evenly mixing coating and alcohol in storage vat 19, then will pass through lifting crane hoist rope 6 handling to flow coating machine top department with the qualified sand mould 7 of inspection, start hoist motor 3 before this, pull up dustproof upper cover 5 on the support 11 through cable 4, dustproof upper cover 5 is fixed with support 11 through connecting hinge 12, can realize free rotation, continuously stimulate dustproof upper cover 5 through hoist motor 3, limit the position of dustproof upper cover 5 through gag lever post 2, prevent to pull, can't realize free receive and release, close hoist motor 3 after putting in place. Then the sand mould 7 is lifted to the supporting plate 14 and forms an inclined state of 10-15 degrees with the supporting plate 14, so that the flow coating is facilitated, meanwhile, the redundant paint can fall smoothly, no flow mark is generated, the sand baffle 13 is used for receiving the virtual sand falling down in the flow coating process of the sand mould 7, the virtual sand is prevented from entering a flow coating machine, the purity of the paint is guaranteed, after the sand mould 7 is placed, the discharge switch 10 is started, at this time, the discharge pump 16 works, the paint enters the connecting hose 9 through the discharge pump 16, then flows out from the discharge port 8, the paint flowing out through the discharge port 8 is fan-shaped, can be uniformly sprayed on the surface of the sand mould 7, the redundant paint is sprayed out to flow into the material containing disc 21, and then enters the material storage barrel 19 through the return port 15, so that the paint is reused, the paint is saved, and the cost is reduced. After the flow coating is finished, the discharge switch 10 is closed, and then the sand mold 7 is lifted off through the crane lifting rope 6. When the coating machine is not used any more, the winding motor 3 is started, the dustproof upper cover 5 slowly falls down, and after the dustproof upper cover 5 falls onto the bracket 11, the winding motor 3 is closed, so that dust is prevented from entering the flow coating machine, and the purity of the coating is maintained.
The casting sand mold flow coater has the following problems:
(1) The sand mould supporting device is not arranged, and the sand box is required to be hung by the crane all the time to carry out flow coating during working, so that one crane is occupied, and potential safety hazards exist.
(2) The maximum sand mould can only turn 90 degrees, and the excessive paint in the sand mould can not flow out completely.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the utility model are as follows: the sand mold flow coating device is simple in structure and capable of enabling the sand mold to be overturned during sand mold flow coating.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a sand flow coating device comprising: a frame;
the frame is provided with two brackets which are oppositely arranged, the brackets are respectively provided with two supporting wheels which are rotatably arranged, at least one bracket is rotatably provided with a rotary flange, and the rotary flange is provided with two limiting plates which are oppositely arranged;
the frame is provided with a paint conveying device for coating paint on the sand mould in a flow mode.
Preferably, the paint delivery device comprises a paint bucket, a delivery pump and a delivery hose, wherein the delivery pump is used for delivering paint in the paint bucket to the delivery hose, and the delivery hose is used for coating the paint on the sand mould in a flow mode.
Preferably, a stirrer is arranged in the paint bucket.
Preferably, the space between the two brackets is a sand mold placing area, and a receiving hopper is arranged below the sand mold placing area.
Preferably, the rack is provided with a paint recovery device, and the paint recovery device comprises a reflux pump, wherein the reflux pump is used for conveying paint in the receiving hopper into the paint bucket;
the receiving hopper is provided with a filter screen.
Preferably, the paint bucket is provided with a filter.
Preferably, a sand receiving platform is arranged below the sand mould placing area, the sand receiving platform is positioned above the sand receiving hopper and can cover the sand receiving hopper, and the sand receiving platform is driven by a propelling device.
Preferably, at least one of said brackets is slidably mounted on said frame.
Preferably, one of said brackets is slidably mounted on said frame and the other of said brackets is provided with said swivel flange.
Preferably, jacking devices are respectively arranged at the two brackets.
After the technical scheme is adopted, the utility model has the beneficial effects that:
this application is equipped with two brackets in the frame, two brackets are equipped with two riding wheels respectively, at least one bracket is equipped with the gyration flange, the gyration flange is equipped with the limiting plate, during sand mould flow coating, the hanging of sand mould is placed on two riding wheels, the sand mould is located between two limiting plates and contacts with two limiting plates, then flow coating the coating on the sand mould through coating conveyor, through two limiting plates upset sand mould 4 during gyration flange rotates, hanging rotates on two riding wheels, the convenience is like this to the different positions flow coating of sand mould, the flow coating does not have the dead angle, secondly can let unnecessary coating of sand mould flow down, unnecessary coating can all flow. Compared with the prior art, the sand mold flow coating device has the advantages that the structure is simple, the operation is convenient, the sand mold can be turned over, travelling crane is not needed during sand mold flow coating, and the potential safety hazard is small.
Drawings
FIG. 1 is a schematic perspective view of a sand flow coating device of the present utility model;
FIG. 2 is a schematic diagram of a front view of a sand flow coating device according to the present utility model;
FIG. 3 is a schematic side elevational view of FIG. 2;
FIG. 4 is a schematic top view of the structure of FIG. 2;
FIG. 5 is a schematic view of the bracket of FIG. 1 with a swivel flange;
FIG. 6 is a schematic top view of the structure of FIG. 5;
FIG. 7 is a schematic view of the structure of a paint transporting device and a paint recycling device in the sand flow coating device of the present utility model;
in the figure: 1. a frame; 2. a bracket; 21. a riding wheel; 22. a swivel flange; 23. a limiting plate; 3. a paint bucket; 4. sand mold; 41. a hanging handle; 5. a transfer pump; 6. a material conveying hose; 7. a stirrer; 8. a receiving hopper; 9. a reflux pump; 10. a filter screen; 11. a filter; 12. a sand receiving platform; 13. a propulsion device; 14. and a jacking device.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown collectively in fig. 1-6, a sand flow coating device comprises:
a frame 1;
the frame is provided with two brackets 2 which are oppositely arranged, the brackets 2 are respectively provided with two riding wheels 21 which are rotatably arranged, at least one bracket 2 is rotatably provided with a rotary flange 22, and the rotary flange 22 is provided with two limiting plates 23 which are oppositely arranged;
the frame 1 is provided with a paint delivery device for flow coating paint onto the sand mould 4.
In this embodiment, two ends of the sand mold 4 are respectively and fixedly provided with a circular hanging handle 41, the hanging handle 41 is used for being connected with a hanging chain of a crane, the size of the hanging handle 41 is preset, when the hanging handle 41 is placed between two riding wheels 21, the center of the hanging handle 41 is overlapped with or slightly deviated from the center of the rotary flange 22, the sand mold 4 with small weight is driven to rotate by a manual or motor, and the rotary flange 22 is driven to rotate by a motor. When carrying out the flow coating operation to sand mould 4, carry sand mould 4 to between two brackets 2 through the driving, two hanging handles 41 support respectively between two riding wheels 21, sand mould 4 is located between two limiting plates 23 and contacts with two limiting plates 23, then flow coating the coating on sand mould 4 through coating conveyor, through two limiting plates 23 upset sand mould 4 when gyration flange 22 rotates, hanging handles 41 rotate on two riding wheels 21, so one is convenient to the different positions flow coating of sand mould 4, the flow coating does not have the dead angle, secondly can let unnecessary coating of sand mould 4 flow down, unnecessary coating can all flow. Compared with the prior art, the sand mold flow coating device has the advantages that the structure is simple, the operation is convenient, the sand mold 4 can be turned over, travelling crane is not needed during flow coating of the sand mold 4, and the potential safety hazard is small.
Besides the hanging handle 41, the sand mold 4 can be provided with a cylinder and other structures matched with the two riding wheels 21, the two limiting plates 23 are connected to the rotary flange 22 through bolts, and different limiting plates 23 can be replaced for the sand mold 4 with different sizes so as to meet the use requirements of different sand molds 4.
As shown in fig. 7, the paint delivery device includes a paint bucket 3, a delivery pump 5 and a delivery hose 6, the delivery pump 5 is used for delivering paint in the paint bucket 3 to the delivery hose 6, the delivery hose 6 is used for flowcoating paint on the sand mold 4, and when flowcoating the sand mold 4, an operator holds the end of the delivery hose 6 to flowcoat paint on the sand mold. The paint bucket 3 is provided with a stirrer 7. The stirrer 7 is used for stirring the paint in the paint bucket 3, and the paint is uniform.
The space between the two brackets 2 is a sand mould placing area, a receiving hopper 8 is arranged below the sand mould placing area, after the flow coating of the sand mould 4 is completed, the sand mould 4 is turned over, so that the redundant coating flow in the sand mould 4 falls into the receiving hopper 8, and the coating is recovered.
The frame 1 is provided with a paint recovery device, the paint recovery device comprises a reflux pump 9, and the reflux pump 9 is used for conveying paint in the receiving hopper 8 into a paint bucket; the receiving hopper 8 is provided with a filter screen 10, and the filter screen 10 filters impurities such as sand grains and sand blocks in the paint. The paint bucket 3 is provided with a filter 11, and the recovered paint enters the paint bucket 3 after passing through the filter 11, so that the recovered paint is further filtered, and the purity of the paint is ensured.
The frame 1 is provided with a sand receiving platform 12, the sand receiving platform 12 is positioned above the lower sand receiving hopper 8 of the sand mold 4 and can cover the sand receiving hopper 8, the sand receiving platform 12 is driven by a propelling device 13, and the propelling device is preferably a linear motion mechanism such as a telescopic cylinder, a gear rack mechanism and the like. Before the sand mold 4 is flow coated, the propelling device 13 drives the sand receiving platform 12 to be positioned between the sand mold 4 and the sand receiving hopper 8, then the sand mold 4 is turned to a proper angle, the scattered sand in the cavity is blown off, the scattered sand falls onto the sand receiving platform 12, the scattered sand is prevented from entering the sand receiving hopper 8, and during flow coating, the propelling device 13 drives the sand receiving platform 12 to withdraw.
In this embodiment, one bracket 2 is slidably mounted on the frame 1, the other bracket 2 is provided with a rotary flange 22, and the slidably disposed bracket 2 can adjust the distance between the two brackets 2 to meet the sand molds 4 of different sizes. In practical application, the two brackets 2 may be provided with the rotary flange 22 as required, and the two brackets 2 may also slide on the frame 1.
The two brackets 2 on the frame 1 are respectively provided with a jacking device 14, the jacking device 14 is preferably an oil cylinder, when the travelling crane conveys the sand mould 4 to the two brackets 2, the jacking device 14 jacks up, the upper end of the jacking device 14 is higher than the supporting wheels 21, the hanging handles 41 of the sand mould 4 are firstly arranged on the jacking device 14, the hanging chains are separated from the hanging handles 41, then the jacking device 14 descends, the hanging handles 41 fall onto the two supporting wheels 21 in the descending process, the supporting wheels 21 support the sand mould 4, and when the sand mould 4 needs to be lifted from the flow coating brackets 2, the jacking device 14 jacks up, the hanging handles 41 are lifted to a proper height from the supporting wheels 21 in the jacking process, then the hanging chains are connected to the two hanging handles 41, and the travelling crane conveys the sand mould 4 to a designated position.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (10)
1. A sand flow coating device, comprising:
a frame;
the frame is provided with two brackets which are oppositely arranged, the brackets are respectively provided with two supporting wheels which are rotatably arranged, at least one bracket is rotatably provided with a rotary flange, and the rotary flange is provided with two limiting plates which are oppositely arranged;
the frame is provided with a paint conveying device for coating paint on the sand mould in a flow mode.
2. A sand mould flow coating apparatus as claimed in claim 1, wherein the paint delivery apparatus comprises a paint bucket, a delivery pump and a delivery hose, the delivery pump being adapted to deliver paint from the paint bucket to the delivery hose, the delivery hose being adapted to flow-coat the paint onto the sand mould.
3. A sand flow coating device as claimed in claim 2, wherein a stirrer is provided in the paint bucket.
4. A sand flow coating device as claimed in claim 2, wherein the space between the two brackets is a sand mould placing area, and a receiving hopper is arranged below the sand mould placing area.
5. A sand flow coating device as claimed in claim 4, wherein the frame is provided with a paint recovery device comprising a return pump for delivering paint in the receiving hopper into the paint bucket;
the receiving hopper is provided with a filter screen.
6. The sand flow coating device of claim 4, wherein the paint bucket is provided with a filter.
7. A sand flow coating device as claimed in claim 6, wherein a sand receiving platform is arranged below the sand mould placing area, the sand receiving platform is arranged above the sand receiving hopper and can cover the sand receiving hopper, and the sand receiving platform is driven by a propelling device.
8. The sand flow coating device of claim 1, wherein at least one of the brackets is slidably mounted on the frame.
9. A sand flow coating device as claimed in claim 8, wherein one of said brackets is slidably mounted on said frame and the other of said brackets is provided with said swivel flange.
10. A sand flow coating device as claimed in claim 1, wherein the two brackets are provided with respective jacking means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321870884.7U CN220497695U (en) | 2023-07-17 | 2023-07-17 | Sand mould flow coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321870884.7U CN220497695U (en) | 2023-07-17 | 2023-07-17 | Sand mould flow coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220497695U true CN220497695U (en) | 2024-02-20 |
Family
ID=89877690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321870884.7U Active CN220497695U (en) | 2023-07-17 | 2023-07-17 | Sand mould flow coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220497695U (en) |
-
2023
- 2023-07-17 CN CN202321870884.7U patent/CN220497695U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |