CN209753927U - Feeding structure of molding sand for casting - Google Patents
Feeding structure of molding sand for casting Download PDFInfo
- Publication number
- CN209753927U CN209753927U CN201920121802.6U CN201920121802U CN209753927U CN 209753927 U CN209753927 U CN 209753927U CN 201920121802 U CN201920121802 U CN 201920121802U CN 209753927 U CN209753927 U CN 209753927U
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- CN
- China
- Prior art keywords
- sand
- feeding
- connecting rod
- casting
- separating block
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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.)
- Expired - Fee Related
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- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a feeding structure of molding sand for casting, including a feeding section of thick bamboo, a feeding section of thick bamboo is greater than the coniform of bottom for the top, be provided with in the feeding section of thick bamboo and divide the sand piece, divide sand piece coniform, and divide the sand piece coaxial with a feeding section of thick bamboo, divide to form big-end-up's annular sand feeding passageway between sand piece outer wall, the feeding section of thick bamboo inner wall. The feeding cylinder is characterized in that a left connecting rod and a right connecting rod are arranged on the inner wall of the feeding cylinder, and the left connecting rod and the right connecting rod are connected with the sand separating block. The utility model discloses a left connecting rod, right connecting rod are fixed the feeding section of thick bamboo with conical minute sand piece in, divide the molding sand of sending into through minute sand piece and to feed the sand passageway, through interior discharge orifice, the diffluence pass even of realizing the molding sand and fall into, avoid feeding the too much phenomenon of sand in the sand passageway through the diffluence orifice, realize through adjustable backplate that the orientation of molding sand is sent into.
Description
Technical Field
The utility model belongs to the casting processing field, concretely relates to feeding structure of molding sand for casting.
Background
The casting is a technological process of smelting metal into liquid meeting certain requirements, pouring the liquid into a casting mold, cooling, solidifying and cleaning to obtain a casting with a preset shape, size and performance. Casting is one of the fundamental processes in the modern device manufacturing industry, because of the near shaping, the cast blank achieves the purpose of no machining or little machining, which reduces cost and manufacturing time to a certain extent.
the casting mainly comprises sand casting and special casting.
Ordinary sand casting, which uses sand as the casting material, is also called sand casting and founding, and comprises 3 types of green sand mold, dry sand mold and chemical hardening sand mold, but not all the sand can be used for casting. The advantages are low cost because the sand used by the casting mould can be reused, and the disadvantages are that the casting mould is time-consuming to manufacture, the casting mould can not be reused and the finished product can be obtained after the casting mould is damaged.
The special casting can be divided into two types, such as investment casting, clay casting, shell casting, negative pressure casting, full mold casting, ceramic mold casting and the like, which take natural mineral sand stones as main molding materials according to the molding materials, and special casting which takes metal as main casting materials, such as metal mold casting, pressure casting, continuous casting, low pressure casting, centrifugal casting and the like.
In the foundry industry, sand is used for sand casting, and the sand is generally used to have a particle size of 0.53-3.35mm, so the sand should be screened and filtered before casting.
However, in the prior sand screening apparatus, the feeding part is usually only a conical barrel, and the sand feeding is prone to local concentration problems during the automatic feeding process.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists and propose, its purpose provides the feeding structure of molding sand for the casting.
The technical scheme of the utility model is that: the feeding structure of molding sand for casting comprises a feeding barrel, wherein the feeding barrel is in a conical shape with the top larger than the bottom, a sand separating block is arranged in the feeding barrel, the sand separating block is in a conical shape, the sand separating block is coaxial with the feeding barrel, and an annular sand feeding channel with a large top and a small bottom is formed between the outer wall of the sand separating block and the inner wall of the feeding barrel.
The feeding cylinder is characterized in that a left connecting rod and a right connecting rod are arranged on the inner wall of the feeding cylinder, and the left connecting rod and the right connecting rod are connected with the sand separating block.
A flow dividing port with an open lower part is formed in the sand dividing block, a feeding port is arranged at the upper end of the feeding cylinder, and an outflow port is arranged at the lower end of the feeding cylinder.
A plurality of inner flow holes are formed in the side wall of the sand separating block and communicated with the flow dividing port.
the side wall of the sand separating block is also provided with a shunting hole for avoiding excessive sand accumulation of the sand feeding channel, the shunting hole is communicated with the shunting port, and the axis of the shunting hole is higher than the axis of the inner flow hole.
And a protective plate for guiding the molding sand on the conveying belt to the sand separating block is arranged above the feeding cylinder.
The feeding barrel is characterized in that a connecting table is formed at the side wall of the feeding barrel, a connecting plate is arranged on the side wall of the connecting table, a connecting rod I is arranged on the connecting plate, a connecting rod II is arranged at the free end of the connecting rod I, and a protective plate is supported by the connecting rod II.
The backplate back is provided with the otic placode, the otic placode is articulated with II numbers connecting rod.
The utility model discloses a left connecting rod, right connecting rod are fixed the feeding section of thick bamboo with conical minute sand piece in, divide the molding sand of sending into through minute sand piece and to feed the sand passageway, through interior discharge orifice, the diffluence pass even of realizing the molding sand and fall into, avoid feeding the too much phenomenon of sand in the sand passageway through the diffluence orifice, realize through adjustable backplate that the orientation of molding sand is sent into.
Drawings
Fig. 1 is a front view of the present invention;
Wherein:
1 feeding cylinder and 2 sand separating blocks
3 feed inlet 4 flow outlet
5 left connecting rod 6 right connecting rod
7 inner flow hole and 8 flow dividing port
9 guide sleeve 10 conveyor belt
11 diversion hole 12 connecting table
13 connecting plate 14I connecting rod
No. 15 connecting rod 16 guard plate
17 ear plates.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples:
As shown in fig. 1, the feeding structure of molding sand for casting comprises a feeding barrel 1, wherein the feeding barrel 1 is conical with the top larger than the bottom, a sand separating block 2 is arranged in the feeding barrel 1, the sand separating block 2 is conical, the sand separating block 2 is coaxial with the feeding barrel 1, and an annular sand feeding channel with a large top and a small bottom is formed between the outer wall of the sand separating block 2 and the inner wall of the feeding barrel 1.
The inner wall of the feeding barrel 1 is provided with a left connecting rod 5 and a right connecting rod 6, and the left connecting rod 5 and the right connecting rod 6 are connected with the sand separating block 2.
A flow dividing port 8 with an open lower part is formed in the sand dividing block 2, the upper end of the feeding cylinder 1 is a feeding port 3, and the lower end of the feeding cylinder 1 is an outflow port 4.
A plurality of inner flow holes 7 are formed in the side wall of the sand separating block 2, and the inner flow holes 7 are communicated with the flow dividing ports 8.
The side wall of the sand distributing block 2 is also provided with a shunting hole 11 for avoiding excessive sand accumulation of the sand feeding channel, the shunting hole 11 is communicated with the shunting port 8, and the axis of the shunting hole 11 is higher than the axis of the inner flow hole 7.
A protective plate 16 for guiding the molding sand on the conveyor belt 10 to the sand separating block 2 is arranged above the feeding cylinder 1.
A connecting table 12 is formed at the side wall of the feeding barrel 1, a connecting plate 13 is arranged on the side wall of the connecting table 12, a connecting rod 14I is arranged on the connecting plate 13, a connecting rod 15 II is arranged at the free end of the connecting rod 14I, and the connecting rod 15 II supports a protective plate 16.
The back of the guard plate 16 is provided with an ear plate 17, and the ear plate 17 is hinged with the No. II connecting rod 15.
Four 2 threaded holes are formed in the side wall of the connecting table 12, through holes are formed in the connecting plate 13 corresponding to the threaded holes, bolts penetrate through the through holes and are screwed into the threaded holes, and the connecting plate 13 is fixed to the connecting table 12 through the bolts.
No. I connecting rod 14, No. II connecting rod 15 between fixed mode be the welding, No. I connecting rod 14, No. II connecting rod 15 are the L type.
the guard plate 16 is a straight plate or an arc-shaped plate.
The No. ii connecting rod 15 free end is articulated with otic placode 17 to can adjust the angle of backplate 16, adjust to different speed conveyer belt 10, thereby make backplate 16 divide sand piece 2 with the molding sand direction.
The said sand-dividing block 2 is able to pass the moulding sand through its top cone head into the outflow opening 4 through the sand-feeding channel.
Divide horizontal inner flow hole 7 and reposition of redundant personnel mouth 8 intercommunication in the sand piece 2, can make and also have the molding sand to flow in the sand piece 2 below, make more even of molding sand.
And divide 2 lateral walls departments of sand piece still to form the reposition of redundant personnel hole 11 that the axis is higher than inner flow hole 7, promptly in the too much condition of sand in the sand feeding passageway, reposition of redundant personnel hole 11 can be quick with the leading-in branch flow opening 8 of sand, avoid the long-pending sand too much in the sand feeding passageway.
The upper end of the feeding barrel 1 is also provided with a guide sleeve 9, and the guide sleeve 9 can enable the guard plate 16 to be closer to the feeding port 3.
The utility model discloses a left connecting rod, right connecting rod are fixed the feeding section of thick bamboo with conical minute sand piece in, divide the molding sand of sending into through minute sand piece and to feed the sand passageway, through interior discharge orifice, the diffluence pass even of realizing the molding sand and fall into, avoid feeding the too much phenomenon of sand in the sand passageway through the diffluence orifice, realize through adjustable backplate that the orientation of molding sand is sent into.
Claims (6)
1. Feeding structure of molding sand for casting, including feeding section of thick bamboo (1), its characterized in that: the feeding cylinder (1) is conical with the top larger than the bottom, a sand separating block (2) is arranged in the feeding cylinder (1), the sand separating block (2) is conical, the sand separating block (2) is coaxial with the feeding cylinder (1), and an annular sand feeding channel with a large top and a small bottom is formed between the outer wall of the sand separating block (2) and the inner wall of the feeding cylinder (1);
A left connecting rod (5) and a right connecting rod (6) are arranged on the inner wall of the feeding cylinder (1), and the left connecting rod (5) and the right connecting rod (6) are connected with the sand separating block (2); and a protective plate (16) for guiding the molding sand on the conveyor belt (10) to the sand separating block (2) is arranged above the feeding cylinder (1).
2. The molding sand feeding structure for casting as set forth in claim 1, wherein: a flow dividing port (8) with an open lower part is formed in the sand dividing block (2), the upper end of the feeding cylinder (1) is a feeding port (3), and the lower end of the feeding cylinder (1) is an outflow port (4).
3. The molding sand feeding structure for casting as set forth in claim 2, wherein: a plurality of inner flow holes (7) are formed in the side wall of the sand separating block (2), and the inner flow holes (7) are communicated with the flow dividing port (8).
4. The molding sand feeding structure for casting as set forth in claim 3, wherein: divide sand piece (2) lateral wall department still to be provided with and avoid feeding the too much reposition of redundant personnel hole (11) of sand passageway long-pending sand, reposition of redundant personnel hole (11) and reposition of redundant personnel mouth (8) intercommunication, the axis of reposition of redundant personnel hole (11) is higher than interior discharge orifice (7).
5. The molding sand feeding structure for casting as set forth in claim 1, wherein: feeding section of thick bamboo (1) lateral wall department forms connection platform (12), connection platform (12) lateral wall is provided with connecting plate (13), be provided with No. I connecting rod (14) on connecting plate (13), No. II connecting rod (15) are provided with to No. I connecting rod (14) free end, No. II connecting rod (15) support backplate (16).
6. The molding sand feeding structure for casting according to claim 5, wherein: the back of the guard plate (16) is provided with an ear plate (17), and the ear plate (17) is hinged with the No. II connecting rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121802.6U CN209753927U (en) | 2019-01-24 | 2019-01-24 | Feeding structure of molding sand for casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121802.6U CN209753927U (en) | 2019-01-24 | 2019-01-24 | Feeding structure of molding sand for casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209753927U true CN209753927U (en) | 2019-12-10 |
Family
ID=68750267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121802.6U Expired - Fee Related CN209753927U (en) | 2019-01-24 | 2019-01-24 | Feeding structure of molding sand for casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209753927U (en) |
-
2019
- 2019-01-24 CN CN201920121802.6U patent/CN209753927U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20220124 |