CN112439871A - Novel movable blade type sand mixer - Google Patents
Novel movable blade type sand mixer Download PDFInfo
- Publication number
- CN112439871A CN112439871A CN202011339726.XA CN202011339726A CN112439871A CN 112439871 A CN112439871 A CN 112439871A CN 202011339726 A CN202011339726 A CN 202011339726A CN 112439871 A CN112439871 A CN 112439871A
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- Prior art keywords
- movably connected
- shaft
- rod
- movable
- sand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0422—Devices having a fixed receptable with rotating tools, some or all of these tools being rolls or balls loosely mounted on their axis or loose balls in contact with the side wall or the bottom of the receptacle, e.g. with aerating means; "Devices of the Muller type"
- B22C5/0431—Devices having a fixed receptable with rotating tools, some or all of these tools being rolls or balls loosely mounted on their axis or loose balls in contact with the side wall or the bottom of the receptacle, e.g. with aerating means; "Devices of the Muller type" having at least two vertical tool-driving shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the technical field of casting, and discloses a novel movable blade type sand mixer which comprises a base, wherein a main shaft is movably connected above the base, a transmission chain is movably connected inside the main shaft, a stirring shaft can move left and right while rotating through the matching of the main shaft, a threaded shaft, the transmission chain, a transverse shaft and an upper inclined rod and a lower inclined rod, so that the stirring shaft can stir and mix casting sand and molding sand adhesive more uniformly, the molding sand adhesive and other auxiliary materials are uniformly distributed and effectively coated on the surface of gravel, accidents caused by stress concentration in the use process are avoided, the success rate of sand casting is improved, the movable rod, a positioning gear, a movable block, a pawl, a fixed pin and a ratchet are matched, the movable rod, the positioning gear, the movable block, the pawl, the fixed pin and the ratchet are easily disassembled during cleaning and maintenance, and the cleaning, the maintenance and the replacement of the device are convenient, the practicability of the device is further improved.
Description
Technical Field
The invention relates to the technical field of sand casting, in particular to a novel movable blade type sand mixer.
Background
Sand mixers are casting devices for mixing molding sand, which generally have the following functions: mixing the used sand, the new sand, the molding sand adhesive and the auxiliary materials uniformly; the adhesive and the auxiliary materials are uniformly distributed and effectively coated on the surface of sand grains, and the sand mixers are classified according to a sand mixing process and can be divided into the following steps: a rolling wheel type sand mixer mainly using rolling and rubbing functions; a blade type sand mixer mainly using mixing action; the reverse flow type or rotor type sand mixer with rubbing and grinding and mixing functions and the balance wheel type sand mixer with rolling and mixing functions.
In the existing blade type sand mixer, molding sand and an adhesive are mixed and stirred by rotating a blade, but the mixing effect of the molding sand at the edge of a frame and far away from the blade part is poor due to the fixed position of the blade, the adhesive is not uniformly dispersed, the adhesive and auxiliary materials cannot be uniformly distributed and effectively coated on the surface of the sand, so that a stress area is easy to appear during use, and the sand mould is collapsed and other accidents are caused.
In order to solve the above problems, the inventor provides a novel movable blade type sand mixer, which has the advantages that the blades can move left and right during rotating and stirring, so that the mixing effect of the molding sand and the adhesive is good.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a novel movable blade type sand mixer comprises an outer frame, wherein a main shaft is movably connected in the middle of the outer frame, a threaded shaft is movably connected to the outer side of the main shaft, an upper inclined rod is movably connected to the lower side of the threaded shaft, a lifting block is movably connected to the lower side of the upper inclined rod, a lower inclined rod is movably connected to the lower side of the lifting block, a transverse shaft is movably connected to the lower side of the lower inclined rod, a fixing frame is movably connected to the lower side of the transverse shaft, a stirring shaft is movably connected to the lower side of the fixing frame, a rotating motor is movably connected to the inner side of the main shaft, a transmission chain is movably connected to the upper side of the rotating motor, a control rod is movably connected to the outer side of the bottom of the outer frame, a movable rod is movably connected to the inner side of the control rod, a positioning gear is meshed with the lower side of the movable rod, the inner side of the outer frame is movably connected with a sand box, and a discharge hole is formed in the bottom of the sand box.
Preferably, the threaded shaft is a bidirectional threaded shaft, threaded blocks are arranged on two sides of the threaded shaft, a chain wheel is arranged in the middle of the threaded shaft, and the chain wheel is movably connected with the transmission chain.
Preferably, the main shaft hollow shaft, the rotating motor and the transmission chain are positioned in the main shaft, and the threaded shaft and the transverse shaft penetrate through the main shaft.
Preferably, the upper inclined rod is hinged between the thread block on the thread shaft and the lifting block, and the lower inclined rod is hinged on the lifting block and the sliding block of the transverse shaft.
Preferably, the lower end of the outer frame is provided with two supports, a cavity is arranged in each support, the movable rod, the positioning gear, the movable block and the pawl are located in the cavity, and the outer wall of the sand box is provided with ratchets matched with the pawls.
Preferably, gear teeth meshed with the positioning gear are arranged on the inner side of the movable rod and the outer side of the movable block.
Preferably, a spring and a control console are movably connected below the control rod, the control rod is a V-shaped rod, and the lowest point of the control rod is hinged on the control console.
Preferably, the left side of the movable block is provided with a groove, the outer side of the pawl is fixedly connected with a fixing pin, one end of the fixing pin is arranged in the groove of the movable block, and a buffer spring is movably connected between the lower part of the movable block and the cavity of the support.
Advantageous effects
Compared with the prior art, the invention provides a novel movable blade type sand mixer, which has the following beneficial effects:
1. this novel portable blade type roller mill, through the main shaft, the threaded spindle, drive chain, under the cooperation of cross axle and upper and lower two sets of down tube and mount, make the (mixing) shaft in the pivoted, can also the side-to-side motion, thereby make the (mixing) shaft can reach the optional position of frame, mix casting sand and molding sand adhesive stirring in the whole frame more evenly, make molding sand adhesive and other auxiliary material evenly distributed, and the cladding is on the grit surface more effectively, molding sand and adhesive distribute unevenly, lead to the accident that stress concentration appears and lead to in the use, thereby promote the foundry success rate of sand, the practicality of device has been strengthened.
2. This novel movable vane type sand mixer, through the main shaft, the threaded spindle, drive chain, cross axle and upper and lower two sets of down tube ties cooperation, make the (mixing) shaft in the pivoted, can also the side-to-side motion, thereby make the (mixing) shaft can reach the optional position of frame, mix casting sand and molding sand adhesive stirring in the whole frame more evenly, make molding sand adhesive and other auxiliary material evenly distributed, and the cladding is on the grit surface more effectively, molding sand and adhesive distribute unevenly, lead to the accident that stress concentration appears and lead to in the use, thereby promote sand casting's success rate, the practicality of device has been strengthened.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the diagonal member of the present invention;
FIG. 3 is a schematic view of the structure of part A of FIG. 1 according to the present invention.
In the figure: 1. an outer frame; 2. a main shaft; 3. a threaded shaft; 4. an upper diagonal rod; 5. a lifting block; 6. a lower diagonal rod; 7. a horizontal axis; 8. rotating the motor; 9. a drive chain; 10. a fixed mount; 11. a stirring shaft; 12. a sand box; 13. a control lever; 14. a movable rod; 15. positioning a gear; 16. a movable block; 17. a pawl; 18. and (4) a discharge port.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a novel movable blade type sand mixer comprises an outer frame 1, a main shaft 2 is movably connected in the middle of the outer frame 1, a hollow shaft of the main shaft 2 is provided, a rotating motor 8 and a transmission chain 9 are positioned inside the main shaft 2, a threaded shaft 3 is movably connected on the outer side of the main shaft 2, the threaded shaft 3 is a bidirectional threaded shaft 3, threaded blocks are arranged on two sides of the threaded shaft 3, a chain wheel is arranged in the middle of the threaded shaft 3 and is movably connected with the transmission chain 9, an upper inclined rod 4 is movably connected below the threaded shaft 3, a lifting block 5 is movably connected below the upper inclined rod 4, a lower inclined rod 6 is movably connected below the lifting block 5, the upper inclined rod 4 is hinged between the threaded block on the threaded shaft 3 and the lifting block 5, the lower inclined rod 6 is hinged on a sliding block of the lifting block 5 and a transverse shaft 7, a fixed frame 10 is movably connected below the transverse shaft 7, the fixed, the two ends of the transverse shaft 7 are provided with limit blocks, the lower part of the fixed frame 10 is movably connected with a stirring shaft 11, the inner part of the main shaft 2 is movably connected with a rotating motor 8, the upper part of the rotating motor 8 is movably connected with a transmission chain 9, the outer side of the bottom of the outer frame 1 is movably connected with a control rod 13, the lower part of the control rod 13 is movably connected with a spring and a control console, the control rod 13 is a V-shaped rod, the lowest point of the control rod 13 is hinged on the control console, the inner side of the control rod 13 is movably connected with a movable rod 14, the lower part of the movable rod 14 is engaged with a positioning gear 15, the inner side of the positioning gear 15 is movably connected with a movable block 16, the inner side of the movable rod 14 and the outer side of the movable block 16 are provided with gear teeth which are engaged with the positioning gear 15, the inner side of the, The positioning gear 15, the movable block 16 and the pawl 17 are located in the cavity, meanwhile, a groove is formed in the left side of the movable block 16, a fixing pin is fixedly connected to the outer side of the pawl 17, one end of the fixing pin is arranged in the groove of the movable block 16, a buffer spring is movably connected between the lower portion of the movable block 16 and the cavity of the support, meanwhile, ratchets matched with the pawl 17 are arranged on the outer wall of the sand box 12, the sand box 12 is movably connected to the inner side of the outer frame 1, and a discharge hole 18 is formed in the bottom of the sand box 12.
The working process and principle are as follows: FIG. 1 is a diagram of the working state of the device, and the device is provided with a lifting device above the outer frame 1 of the sand mixer, the main shaft 2 is driven by a motor, during the process of proportioning the casting sand, a certain amount of used sand and new sand are generally mixed, then a molding sand adhesive and other auxiliary materials are added, various casting sand and molding sand adhesive and auxiliary materials to be mixed are put into the sand box 12 according to the proportion, the control rod 13 is pressed downwards, the inner side of the control rod 13 drives the movable rod 14 to move upwards, because the movable rod 14, the positioning gear 15 and the movable block 16 are engaged with each other, the movable rod 14 drives the movable block 16 to move downwards through the positioning gear 15, the spring at the bottom of the movable block 16 is compressed, and simultaneously the movable block 16 presses the fixed pin at the outer side of the pawl 17 downwards, so that the fixed pin drives the pawl 17 to rotate clockwise, the pawl 17 is separated from the ratchet, and then the, knowing frame 1 and the stop device on sand box 12 and contacting, loosen control lever 13, control lever 13 outside upwards rotates under the effect of spring, movable rod 14 drives movable block 16 through positioning gear 15 and upwards promotes fixed pin and pawl 17, pawl 17 resets, through the ratchet on pawl 17 and the sand box 12 lateral wall, fix sand box 12, it mixes to be the molding sand and the adhesive stirring of (mixing) shaft 11 in sand box 12 better, mix the sand and accomplish the back, press control lever 13 downwards, pack up pawl 17, make things convenient for frame 1 and sand box 12 to separate, the clearance and the maintenance of having made things convenient for sand box 12 and agitating unit to change, the practicality of the device has been promoted.
After the sand box 12 is fixed, the motor drives the main shaft 2 to rotate, the main shaft 2 drives the two fixing frames 10 and the stirring shaft 11 to rotate through the cross shaft 7, molding sand and adhesive in the sand box 12 are stirred, meanwhile, the rotating motor 8 drives the transmission chain 9 to rotate, the transmission chain 9 drives the threaded shaft 3 to rotate through a chain wheel, the upper inclined rod 4 hinged on the threaded block drives the lifting block 5 to move downwards, the lower inclined rod 6 drives the fixing frames 10 to slide on the cross shaft 7, the stirring shaft 11 can move left and right while rotating through the matching of the main shaft 2, the threaded shaft 3, the transmission chain 9, the cross shaft 7, the upper inclined rod 4 and the lower inclined rod 6, so that the stirring shaft 11 can reach any position in the sand box 12, the casting sand and the molding sand adhesive in the whole sand box 12 are stirred and mixed more uniformly, and the molding sand adhesive and other auxiliary materials are uniformly distributed, and the cladding has avoided molding sand and adhesive to distribute unevenly on the gravel surface more effectively, leads to the accident that the stress concentration and result in appearing in the use to promote the foundry success rate of sand mould, further strengthened the practicality of device, after the sand mixing process is accomplished, the molding sand is discharged from the discharge gate 18 of sand box 12 bottom.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel portable blade type roller mill, includes frame (1), its characterized in that: the middle of the outer frame (1) is movably connected with a main shaft (2), the outer side of the main shaft (2) is movably connected with a threaded shaft (3), the lower part of the threaded shaft (3) is movably connected with an upper inclined rod (4), the lower part of the upper inclined rod (4) is movably connected with a lifting block (5), the lower part of the lifting block (5) is movably connected with a lower inclined rod (6), the lower part of the lower inclined rod (6) is movably connected with a transverse shaft (7), the lower part of the transverse shaft (7) is movably connected with a fixed frame (10), the lower part of the fixed frame (10) is movably connected with a stirring shaft (11), the inner part of the main shaft (2) is movably connected with a rotating motor (8), the upper part of the rotating motor (8) is movably connected with a transmission chain (9), the outer side of the bottom of the outer frame (1) is movably connected with a control rod (13), and the inner side of the, the lower part of the movable rod (14) is connected with a positioning gear (15) in a meshing manner, the inner side of the positioning gear (15) is movably connected with a movable block (16), the inner side of the movable block (16) is movably connected with a pawl (17), the inner side of the outer frame (1) is movably connected with a sand box (12), and the bottom of the sand box (12) is provided with a discharge hole (18).
2. A novel movable blade mixer as claimed in claim 1, wherein: the novel screw-thread shaft is characterized in that the screw-thread shaft (3) is a bidirectional screw-thread shaft (3), screw-thread blocks are arranged on two sides of the screw-thread shaft (3), a chain wheel is arranged in the middle of the screw-thread shaft (3), and the chain wheel is movably connected with a transmission chain (9).
3. A novel movable blade mixer as claimed in claim 1, wherein: the spindle (2) is a hollow spindle, the rotating motor (8) and the transmission chain (9) are positioned inside the spindle (2), and the threaded shaft (3) and the transverse shaft (7) both penetrate through the spindle (2).
4. A novel movable blade mixer as claimed in claim 1, wherein: the upper inclined rod (4) is hinged between a thread block on the thread shaft (3) and the lifting block (5), and the lower inclined rod (6) is hinged on the lifting block (5) and a sliding block of the transverse shaft (7).
5. A novel movable blade mixer as claimed in claim 1, wherein: the lower end of the outer frame (1) is provided with two supports, a cavity is arranged in each support, the movable rod (14), the positioning gear (15), the movable block (16) and the pawl (17) are located in the cavity, and the outer wall of the sand box (12) is provided with ratchets matched with the pawl (17).
6. A novel movable blade mixer as claimed in claim 1, wherein: gear teeth meshed with the positioning gear (15) are arranged on the inner side of the movable rod (14) and the outer side of the movable block (16).
7. A novel movable blade mixer as claimed in claim 1, wherein: the spring and the control console are movably connected below the control rod (13), the control rod (13) is a V-shaped rod, and the lowest point of the control rod (13) is hinged to the control console.
8. A novel movable blade mixer as claimed in claim 1, wherein: the left side of the movable block (16) is provided with a groove, the outer side of the pawl (17) is fixedly connected with a fixed pin, one end of the fixed pin is arranged in the groove of the movable block (16), and a buffer spring is movably connected between the lower part of the movable block (16) and the cavity of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339726.XA CN112439871A (en) | 2020-11-25 | 2020-11-25 | Novel movable blade type sand mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339726.XA CN112439871A (en) | 2020-11-25 | 2020-11-25 | Novel movable blade type sand mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112439871A true CN112439871A (en) | 2021-03-05 |
Family
ID=74737410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011339726.XA Withdrawn CN112439871A (en) | 2020-11-25 | 2020-11-25 | Novel movable blade type sand mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112439871A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618983A (en) * | 2022-02-23 | 2022-06-14 | 包连芬 | Multi-level bidirectional uniform sand-casting sand mixer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001404A (en) * | 2016-06-06 | 2016-10-12 | 含山县朝霞铸造有限公司 | Agitator for pig iron casting sand mixing |
| CN107398528A (en) * | 2016-05-19 | 2017-11-28 | 南京科雄工贸有限公司 | A kind of pig iron casts puddle mixer stirring-head |
| CN207325874U (en) * | 2017-09-22 | 2018-05-08 | 宁夏众信机械设备制造有限公司 | One kind experiment sand mixer |
| CN108580800A (en) * | 2018-05-30 | 2018-09-28 | 安徽省含山县兴建铸造厂 | A kind of iron casting mulling blender |
| CN209174819U (en) * | 2018-11-12 | 2019-07-30 | 十堰瑞虎机械科技有限公司 | A kind of sand mixer of easy to clean |
-
2020
- 2020-11-25 CN CN202011339726.XA patent/CN112439871A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398528A (en) * | 2016-05-19 | 2017-11-28 | 南京科雄工贸有限公司 | A kind of pig iron casts puddle mixer stirring-head |
| CN106001404A (en) * | 2016-06-06 | 2016-10-12 | 含山县朝霞铸造有限公司 | Agitator for pig iron casting sand mixing |
| CN207325874U (en) * | 2017-09-22 | 2018-05-08 | 宁夏众信机械设备制造有限公司 | One kind experiment sand mixer |
| CN108580800A (en) * | 2018-05-30 | 2018-09-28 | 安徽省含山县兴建铸造厂 | A kind of iron casting mulling blender |
| CN209174819U (en) * | 2018-11-12 | 2019-07-30 | 十堰瑞虎机械科技有限公司 | A kind of sand mixer of easy to clean |
Non-Patent Citations (1)
| Title |
|---|
| 张均富等: "《机械设计基础》", 30 September 2019, 北京理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618983A (en) * | 2022-02-23 | 2022-06-14 | 包连芬 | Multi-level bidirectional uniform sand-casting sand mixer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210305 |