CN105750490A - Sand mixer - Google Patents
Sand mixer Download PDFInfo
- Publication number
- CN105750490A CN105750490A CN201610167973.3A CN201610167973A CN105750490A CN 105750490 A CN105750490 A CN 105750490A CN 201610167973 A CN201610167973 A CN 201610167973A CN 105750490 A CN105750490 A CN 105750490A
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- CN
- China
- Prior art keywords
- sand
- magnet
- sleeve pipe
- blade shaft
- sand mixing
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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.)
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Classifications
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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"
- B22C5/0436—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 a horizontal tool-driving shaft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a sand mixer and belongs to the technical field of casting. The sand mixer comprises a base, sand mixing barrels as well as a large arm and a small arm which are connected rotationally, wherein two spiral sand mixing barrels are arranged on the large arm in parallel, a high-speed sand mixing barrel is arranged on the small arm, and the two spiral sand mixing barrels are communicated with the high-speed sand mixing barrel through vertical pipes. The sand mixer has advantages of both a double-sand three-mixing machine and a double-arm single-sand double-mixing machine and can sufficiently mix materials, the production efficiency is high, the work coverage range at a sand discharge port is wide, blocking is not easily caused, and the clearing is convenient.
Description
Technical field
The invention belongs to casting technology field, relate to a kind of foundry sand and process equipment, particularly a kind of puddle mixer.
Background technology
Puddle mixer, for uniformly being made firming agent and resin be uniformly distributed with LCM and mixed with resin and be effectively coated on sand grain surface by sand, forms the overlay film molding sand being applicable to make mould.
Current puddle mixer mainly has two kinds.
One is that double, two sand three mixes machine, as shown in Figure 1, principal organ is two on the support 1 spiral sand mixing thick tubes 2 being set up in parallel, also referred to as mulling stirring cage, helical blade is had in sand mixing thick tube, in one of them spiral sand mixing thick tube, stirring transmits sand and liquid resinous mixture, in another sand mixing thick tube, stirring transmits the mixture of sand and LCM, mixture forwards through helical blade stirrer and imports in the vertical sand mixing thick tube 3 of lower section, in cylinder, the mulling blade of high-speed rotation is discharged from port after two mixture mixing, sand mixing thick tube can rotate around support, so that change port towards, mixed sand is discharged into different positions.
The feature of this puddle mixer is: owing to firming agent and resin mix with sand respectively in different cylinders, there is not chemical reaction in both this moment, horizontal sand mixing thick tube is longer, and therefore sand has sufficient time and liquid mixing, it is ensured that sand is sufficiently mixed with resin or firming agent；But vertical sand mixing thick tube length is shorter, and is in plumbness, causes that sand firming agent and resin three's mixed process time are short, cause that mixing is uniform not, sand mold intensity difference；It addition, shake out, the position adjustments scope of port is less, can only change position with sand mixing thick tube for the circular arc path of radius, and the blade in vertical sand mixing thick tube is more, it is easy to blocking, and cleaning inconvenience.
Another kind is the double; two mixed machine of both arms list sand, as shown in Figure 2, pedestal 1 supports the large arm 4 that can rotate around pedestal, slew gear 8 rotating connection one forearm is passed through in large arm front end, large arm 4 is provided with dry sand transporter 6, the charging aperture of the high speed sand mixing thick tube 7 being sent to by dry sand on forearm 5, is provided with the mulling blade of high-speed rotation in forearm high speed sand mixing thick tube, stir that the pipeline that sand connects from barrel adds LCM, resin is stirred.
The feature of this puddle mixer is: what the barrel of high speed sand mixing thick tube can be divided into two opens, and cleaning is convenient；Large arm can rotate around support, and large arm forearm also is able to relatively rotate, and large arm forearm lengths is close so that the port position of shaking out of sand mixing thick tube freely can regulate in the region of a covering of the fan；Sand firming agent and resin are added simultaneously in a sand mixing thick tube, shake out fast, and production efficiency is high, but owing to three mixes simultaneously, cause partially cured dose with resin not contacting the solidification that just reacts with sand, cause three not to be sufficiently mixed, lack of homogeneity, the sand bond of generation reduces.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, propose a kind of puddle mixer, this trap has the advantage that double; two sand three mixes machine and the double; two mixed machine of both arms list sand concurrently, it is capable of being sufficiently mixed material, production efficiency is high, shaking out port working wide coverage, be not easily blocked, cleaning is convenient.
The purpose of the present invention can be realized by following technical proposal: a kind of puddle mixer, including support, sand mixing thick tube and the big forearm that is rotationally connected.Being set up in parallel two spiral sand mixing thick tubes in large arm, the spiral sand mixing thick tube structure mixing machine to double; two sand three is similar, it is achieved sand respectively with the mixing of LCM and resin and transmission.Forearm arranges high speed sand mixing thick tube, similar to the high speed sand mixing thick tube structure of the double; two mixed machine of both arms list sand, for remixing two kinds of mixture that two spiral sand mixing thick tubes are discharged.Two spiral sand mixing thick tubes are respectively through VERTICAL TUBE and high speed sand mixing thick tube UNICOM, namely by Liang Ge VERTICAL TUBE UNICOM between the charging aperture of the high speed sand mixing thick tube on the discharging opening of two spiral sand mixing thick tubes in large arm and forearm.
In above-mentioned puddle mixer, the outlet of corresponding VERTICAL TUBE is provided with one section of helical blade on the mulling blade shaft of high speed sand mixing thick tube.Because from two VERTICAL TUBE sand being all mixed with firming agent or resin out, chance of meeting in exit generation chemical reaction, and the mulling blade being independently distributed is unfavorable for quickly being pushed forward by mixture, part sand will stick to exit, and it is more viscous more many, result in blockage, but this place is inconvenient to clear up.Change the mulling blade of this section into continuous print helical blade, be conducive to quickly the mixing that VERTICAL TUBE is discharged being pushed forward, it is prevented that pile up in exit.
In above-mentioned puddle mixer, described cover plate being connected to operating rope, the described VERTICAL TUBE port of export is covered with anti-stick coating, such as politef (polytetrafluoroethylene) or the anti-nano-structured coating invading profit, in order to prevent sand mixture to be bonded at VERTICAL TUBE exit.
In above-mentioned puddle mixer, the outlet of corresponding VERTICAL TUBE, rotating on the mulling blade shaft of high speed sand mixing thick tube it is cased with one section of sleeve pipe with helical blade, described sleeve pipe is provided with magnet, magnet on corresponding sleeve pipe is provided with magnet on mulling blade shaft, and bearings is passed through on mulling blade shaft in sleeve pipe two ends.Mulling blade shaft drives sleeve pipe to rotate by magnetic force so that both produce speed discrepancy, make the rotating speed rotating speed lower than mulling blade of sleeve pipe, it is prevented that helical blade rotating speed on sleeve pipe is too fast, and by material, the outlet got rid of to VERTICAL TUBE is unfavorable for the discharging of VERTICAL TUBE.
In above-mentioned puddle mixer, the magnet on sleeve pipe is different with the magnet number on mulling blade shaft, and magnet is uniform along the circumference of axle or sleeve pipe.
In above-mentioned puddle mixer, the magnet on the magnet on described sleeve pipe and mulling blade shaft is all more than one, and arranges the magnet of the different number of odd even on described sleeve pipe and mulling blade shaft.Sleeve pipe is different from the magnet number odd even on mulling blade shaft, so that magnetic force between the two increases with speed discrepancy and increases, it is prevented that sleeve pipe rotating speed is too fast or stuck.
In above-mentioned puddle mixer, the electric magnet that magnet is controllable magnetic size on described mulling blade shaft, electric magnet is connected with control circuit by the multichannel rotary electric connector on mulling blade shaft.The size controlling to transmit between sleeve pipe and mulling blade shaft power by the size of control electromagnet magnetic force is adjustable.
Compared with prior art, this puddle mixer has the advantage that
Mulling process be divide into two stages by the puddle mixer of the present invention, firming agent is mixed by first stage in advance respectively with resin, there is the advantage that double; two sand three mixes machine, second stage utilizes the longer high-speed rotation mulling blade can be quickly uniform by mixing of materials, the advantage with the mixed machine of both arms list sand pair.Adopt double; two pivoted arm structure so that port working wide coverage of shaking out.Two spiral sand mixing thick tubes are respectively through VERTICAL TUBE and high speed sand mixing thick tube UNICOM so that be not susceptible to blocking.Simultaneously by avoiding VERTICAL TUBE outlet viscous shortcoming easily occurs the mulling blade shaft in the exit of VERTICAL TUBE arranging helical blade mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation that existing pair of sand three mixes machine；
Fig. 2 is the structural representation of the double; two mixed machine of existing both arms list sand；
Fig. 3 is the structural representation of the puddle mixer of the present invention；
Fig. 4 is the schematic diagram of sleeve pipe；
Fig. 5 is the schematic cross-section of sleeve pipe；
Fig. 6 is the schematic cross-section at VERTICAL TUBE place.
In figure, 1, support；2, spiral sand mixing thick tube；3, vertical sand mixing thick tube；4, large arm；5, forearm；6, dry sand transporter；7, high speed sand mixing thick tube；8, slew gear；9, VERTICAL TUBE；10, sleeve pipe；11, helical blade；12, mulling blade shaft；13, permanent magnet.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
Embodiment one
As it is shown on figure 3, a kind of puddle mixer, similar with the double; two mixed machine structure of both arms list sand, including support, sand mixing thick tube and the big forearm etc. that is rotationally connected by slew gear 8.Be not the mechanism transmitting dry sand the difference is that large arm, but be set up in parallel two spiral sand mixing thick tubes, be double; two sand three and mix two side-by-side helix sand mixing thick tubes of machine, it is achieved sand respectively with the mixing of LCM and resin and transmission.Forearm arranges high speed sand mixing thick tube, similar to the high speed sand mixing thick tube structure of the double; two mixed machine of both arms list sand, for remixing two kinds of mixture that two spiral sand mixing thick tubes are discharged.With the double; two mixed machine of both arms list sand and double; two sand three mix machine the difference is that, in slew gear 8 between big forearm, the VERTICAL TUBE of the upper and lower mixing device of UNICOM is not one, but as shown in Figure 4, two spiral sand mixing thick tubes are respectively through VERTICAL TUBE 9 and high speed sand mixing thick tube UNICOM, namely by Liang Ge VERTICAL TUBE UNICOM between the charging aperture of the high speed sand mixing thick tube on the discharging opening of two spiral sand mixing thick tubes in large arm and forearm, so that two kinds of mixture just mix after entering high speed sand mixing thick tube, it is to avoid mixing inequality in VERTICAL TUBE.
For preventing sand mixture to be bonded at VERTICAL TUBE exit, the described VERTICAL TUBE port of export is covered with politef anti-stick coating.
It is illustrated in figure 5 and quickly the mixing that VERTICAL TUBE is discharged is pushed forward, it is prevented that pile up in exit, the outlet of corresponding VERTICAL TUBE, the mulling blade shaft 12 of high speed sand mixing thick tube is provided with one section of continuous print helical blade.But helical blade rotating speed herein should be not too fast, so this section of continuous print helical blade 11 is arranged on sleeve 10, on the rotating mulling blade shaft being enclosed within high speed sand mixing thick tube of sleeve pipe.As shown in Figure 6, at internal surface of sleeve pipe, circumferentially arranged have two permanent magnets, in the circumference of mulling blade shaft, is evenly equipped with 8 permanent magnets 13, and supporting between sleeve pipe two ends and mulling blade shaft has bearing.
Embodiment two
With embodiment one the difference is that the magnet arranging the different number of odd even on, described sleeve pipe and mulling blade shaft.Such as, at internal surface of sleeve pipe, circumferentially arranged have two permanent magnets, in the circumference of mulling blade shaft, is then evenly equipped with 7 permanent magnets.For making the big I transmitting power between sleeve pipe and mulling blade shaft regulate as required, the magnet on described mulling blade shaft can be the electric magnet of controllable magnetic size.Electric magnet can pass through to arrange multichannel rotary electric connector (i.e. conducting slip ring) on mulling blade shaft and realize electric magnet and be connected with control circuit, then passes through corresponding control circuit, the size of control electric magnet magnetic force.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Although more employing 1 herein, support；2, spiral sand mixing thick tube；3, vertical sand mixing thick tube；4, large arm；5, forearm；6, dry sand transporter；7, high speed sand mixing thick tube；8, slew gear；9, VERTICAL TUBE；10, sleeve pipe；11, helical blade；12, mulling blade shaft；13, the term such as permanent magnet, but it is not precluded from using the probability of other term.These terms are used to be only used to describe and explain more easily the essence of the present invention；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (7)
1. a puddle mixer, including support, sand mixing thick tube and the big forearm that is rotationally connected, it is characterised in that: being set side by side with two spiral sand mixing thick tubes in large arm, forearm arranges high speed sand mixing thick tube, two spiral sand mixing thick tubes are respectively through VERTICAL TUBE and high speed sand mixing thick tube UNICOM.
2. puddle mixer according to claim 1, it is characterised in that the outlet of corresponding VERTICAL TUBE is provided with one section of helical blade on the mulling blade shaft of high speed sand mixing thick tube.
3. puddle mixer according to claim 1, it is characterised in that the described VERTICAL TUBE port of export is covered with anti-stick coating.
4. puddle mixer according to claim 1, it is characterized in that, the outlet of corresponding VERTICAL TUBE, rotating on the mulling blade shaft of high speed sand mixing thick tube it is cased with one section of sleeve pipe with helical blade, described sleeve pipe is provided with magnet, magnet on corresponding sleeve pipe is provided with magnet on mulling blade shaft, and bearings is passed through on mulling blade shaft in sleeve pipe two ends.
5. puddle mixer according to claim 4, it is characterised in that the magnet on sleeve pipe is different with the magnet number on mulling blade shaft, and magnet is uniform along the circumference of axle or sleeve pipe.
6. puddle mixer according to claim 5, it is characterised in that the magnet on the magnet on described sleeve pipe and mulling blade shaft is all more than one, and described sleeve pipe and mulling blade shaft arrange the magnet of the different number of odd even.
7. the puddle mixer according to claim 4 or 5 or 6, it is characterised in that the electric magnet that magnet is controllable magnetic size on described mulling blade shaft, electric magnet is connected with control circuit by the multichannel rotary electric connector on mulling blade shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167973.3A CN105750490B (en) | 2016-03-23 | 2016-03-23 | A kind of puddle mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167973.3A CN105750490B (en) | 2016-03-23 | 2016-03-23 | A kind of puddle mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105750490A true CN105750490A (en) | 2016-07-13 |
| CN105750490B CN105750490B (en) | 2018-02-09 |
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ID=56346331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167973.3A Active CN105750490B (en) | 2016-03-23 | 2016-03-23 | A kind of puddle mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105750490B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214295A (en) * | 2017-06-19 | 2017-09-29 | 宝得粉末注射成形（常熟）有限公司 | Self-hardening sand mixing device |
| CN107639206A (en) * | 2017-08-15 | 2018-01-30 | 青岛和德隆机械有限公司 | Resin sand flow mixer and mulling method |
| WO2019127800A1 (en) * | 2017-12-27 | 2019-07-04 | 苏州明志科技有限公司 | Sand mixing process for improving comprehensive property of resin sand |
| CN110355328A (en) * | 2019-08-15 | 2019-10-22 | 杭州长盛机械有限公司 | A kind of sand mixer for sand production line |
| CN110842135A (en) * | 2019-12-09 | 2020-02-28 | 含山县承力铸造厂 | Molding sand mixer for clutch pressure plate casting |
| CN111014573A (en) * | 2019-11-27 | 2020-04-17 | 安徽省含山县富坤铸造厂 | Sand mixer for pig iron casting reclaimed sand and using method thereof |
| CN113751296A (en) * | 2021-09-10 | 2021-12-07 | 侯旭飞 | Device and method capable of preventing resin sand from adhering to inner wall of sand hopper of core making machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580326A (en) * | 1968-03-27 | 1971-05-25 | British Cast Iron Res Ass | Apparatus for making foundry cores and moulds |
| CN202155470U (en) * | 2011-05-16 | 2012-03-07 | 双星漯河中原机械有限公司 | Continuous bi-sand tri-mixing type sand mixing machine for self-hardening sand |
| CN103551499A (en) * | 2013-11-14 | 2014-02-05 | 宁夏共享集团有限责任公司 | Sand mixer with two-stage conveying arm |
| CN203565783U (en) * | 2013-11-19 | 2014-04-30 | 无锡市康晖机械制造有限公司 | Precoated sand mixer |
| CN104646620A (en) * | 2013-11-19 | 2015-05-27 | 无锡市康晖机械制造有限公司 | Precoated sand mixer |
| CN104646618A (en) * | 2013-11-19 | 2015-05-27 | 无锡市康晖机械制造有限公司 | Sand mixing and stirring cage of precoated sand mixing machine |
-
2016
- 2016-03-23 CN CN201610167973.3A patent/CN105750490B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580326A (en) * | 1968-03-27 | 1971-05-25 | British Cast Iron Res Ass | Apparatus for making foundry cores and moulds |
| CN202155470U (en) * | 2011-05-16 | 2012-03-07 | 双星漯河中原机械有限公司 | Continuous bi-sand tri-mixing type sand mixing machine for self-hardening sand |
| CN103551499A (en) * | 2013-11-14 | 2014-02-05 | 宁夏共享集团有限责任公司 | Sand mixer with two-stage conveying arm |
| CN203565783U (en) * | 2013-11-19 | 2014-04-30 | 无锡市康晖机械制造有限公司 | Precoated sand mixer |
| CN104646620A (en) * | 2013-11-19 | 2015-05-27 | 无锡市康晖机械制造有限公司 | Precoated sand mixer |
| CN104646618A (en) * | 2013-11-19 | 2015-05-27 | 无锡市康晖机械制造有限公司 | Sand mixing and stirring cage of precoated sand mixing machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214295A (en) * | 2017-06-19 | 2017-09-29 | 宝得粉末注射成形（常熟）有限公司 | Self-hardening sand mixing device |
| CN107639206A (en) * | 2017-08-15 | 2018-01-30 | 青岛和德隆机械有限公司 | Resin sand flow mixer and mulling method |
| WO2019127800A1 (en) * | 2017-12-27 | 2019-07-04 | 苏州明志科技有限公司 | Sand mixing process for improving comprehensive property of resin sand |
| CN110355328A (en) * | 2019-08-15 | 2019-10-22 | 杭州长盛机械有限公司 | A kind of sand mixer for sand production line |
| CN110355328B (en) * | 2019-08-15 | 2020-11-24 | 杭州长盛机械有限公司 | A roller mill for moulding sand production line |
| CN111014573A (en) * | 2019-11-27 | 2020-04-17 | 安徽省含山县富坤铸造厂 | Sand mixer for pig iron casting reclaimed sand and using method thereof |
| CN110842135A (en) * | 2019-12-09 | 2020-02-28 | 含山县承力铸造厂 | Molding sand mixer for clutch pressure plate casting |
| CN113751296A (en) * | 2021-09-10 | 2021-12-07 | 侯旭飞 | Device and method capable of preventing resin sand from adhering to inner wall of sand hopper of core making machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105750490B (en) | 2018-02-09 |
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Effective date of registration: 20210107 Address after: 344000 Huangjia village, Jiudu, Chonggang Town, Fuzhou high tech Industrial Development Zone, Fuzhou City, Jiangxi Province Patentee after: Jiangxi Huachen Food Co.,Ltd. Address before: 310016 room 701, unit 2, building 3, Yiheyuan, Jinjiang residential district, Shangcheng District, Hangzhou City, Zhejiang Province Patentee before: Hou Songtao |
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Effective date of registration: 20230508 Address after: 115100 South side of Funan Street, West Outer Ring Road, Economic Development Zone, Dashiqiao City, Yingkou City, Liaoning Province Patentee after: Yingkou Hongyu Yuanjin Refractory Materials Co.,Ltd. Address before: 344000 Huangjia village, Jiudu, Chonggang Town, Fuzhou high tech Industrial Development Zone, Fuzhou City, Jiangxi Province Patentee before: Jiangxi Huachen Food Co.,Ltd. |