CN109732039B - Efficient sand mixer - Google Patents
Efficient sand mixer Download PDFInfo
- Publication number
- CN109732039B CN109732039B CN201910077951.1A CN201910077951A CN109732039B CN 109732039 B CN109732039 B CN 109732039B CN 201910077951 A CN201910077951 A CN 201910077951A CN 109732039 B CN109732039 B CN 109732039B
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- Prior art keywords
- stirring
- plate
- supporting
- sand
- scraping
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- 239000004576 sand Substances 0.000 title claims abstract description 91
- 238000003756 stirring Methods 0.000 claims abstract description 136
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000007790 scraping Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 239000003110 molding sand Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a high-efficiency sand mixer, which comprises a sand mixing cylinder, a chassis sand mixing mechanism, an eccentric stirring mechanism, a stirring plate driving upper plate, a stirring plate supporting lower plate, a scraping stirring plate assembly and an upper plate driving mechanism, wherein the bottom of the sand mixing cylinder is provided with the chassis sand mixing mechanism, the chassis sand mixing mechanism is provided with an auxiliary stirring mechanism, the eccentric stirring mechanism comprises a first stirring mechanism and a second stirring mechanism, the upper plate driving mechanism controls the stirring plate to drive the upper plate to rotate through a gear driving mechanism, a plurality of scraping stirring plate assemblies are circumferentially distributed in the sand mixing cylinder at intervals, the upper ends and the lower ends of the scraping stirring plate assemblies are respectively arranged on the stirring plate driving upper plate and the stirring plate supporting lower plate, and scraping plates which are in abutting fit with the inner wall of the sand mixing cylinder are arranged on the scraping stirring plate assembly, so that the mixing time can be shortened, the sand mixing efficiency can be improved, and sand adhered to the inner wall of a shell of the sand mixer can be timely removed, and uniform mixing can be ensured.
Description
[ field of technology ]
The invention relates to the technical field of sand mixers, in particular to a high-efficiency sand mixer.
[ background Art ]
The sand mixer is used as the equipment of mixed molding sand, use in foundry industry is very extensive, traditional sand mixer is on the in-process of sand mixer casing, the molding sand can often adhere on the inner wall of sand mixer casing, thereby lead to the molding sand to mix the system inhomogeneous, can't guarantee that the molding sand mixes the system and reaches required standard, influence the quality of molding sand, can't satisfy foundry production's needs, the binder still can bond the molding sand on the inner wall of sand mixer casing simultaneously, then when unloading the sand, the molding sand of mixing is perhaps unable to be unloaded completely, adhere on the sand mixer casing for a long time, after the molding sand hardens, clear away from the sand mixer casing just become very troublesome, if not in time clear up, can produce the stereoplasm granule in the molding sand when carrying out the sand next time, can't satisfy the operation requirement, thereby also caused the waste of resource, some operators prevent that the molding sand from adhering on the sand mixer casing through beating the sand, the life to the sand mixer is influenced like this, the sand mixer's life, the mixing efficiency is hardly reached to ideal, the mixing efficiency is hardly stable in the mixing process, the mixing of molding sand mixer is difficult to reach the ideal, the material is unstable in the mixing process. An efficient sand mixer is provided.
[ invention ]
The invention aims to solve the problems in the prior art, and provides a high-efficiency sand mixer which can shorten the mixing time, improve the sand mixing efficiency, timely remove the molding sand adhered to the inner wall of a shell of the sand mixer and ensure uniform sand mixing.
In order to achieve the above purpose, the invention provides a high-efficiency sand mixer, which comprises a sand mixing cylinder, a chassis sand mixing mechanism, eccentric stirring mechanisms, stirring plate driving upper plates, stirring plate supporting lower plates, scraping stirring plate components and an upper plate driving mechanism, wherein the chassis sand mixing mechanism is arranged at the bottom of the sand mixing cylinder, a plurality of auxiliary stirring mechanisms are arranged on the chassis sand mixing mechanism, each auxiliary stirring mechanism comprises a central spiral stirring shaft arranged on a rotary seat, two outer stirring shafts and a first driving motor for driving the rotary seat to rotate, the central spiral stirring shafts are arranged at the center of the rotary seat, the outer stirring shafts are symmetrically distributed on two sides of the central spiral stirring shafts, a plurality of stirring rods are arranged on the outer stirring shafts, the eccentric stirring mechanisms are arranged on top covers of the sand mixing cylinder, the first stirring mechanisms and the second stirring mechanisms are symmetrically arranged with the central spiral stirring shafts as the center, a first supporting guide rail and a second supporting guide rail are sequentially arranged in the inner cavity of the sand mixing cylinder from top to bottom, the stirring plate supporting shafts are symmetrically arranged on the upper plates, the stirring plate supporting upper plates are arranged on the upper side of the upper plates and the lower plates, the stirring plate driving upper plates are arranged on the upper plates and the lower plates respectively, the stirring plate driving upper plates are arranged on the upper plates and the lower plates respectively, and the stirring plate driving upper plates are in a matched mode, and the stirring plate driving assembly is arranged on the upper plates and the stirring plate driving assembly.
Preferably, the first stirring mechanism and the second stirring mechanism have the same structure, a long stirring blade group and a short stirring blade group are arranged on the rotating shaft of the first stirring mechanism at intervals, the long stirring blade group consists of 3-5 long stirring blades circumferentially arranged on the rotating shaft, the short stirring blade group consists of 3-5 short stirring blades circumferentially arranged on the rotating shaft, and the distance between the outer stirring shaft and the heart screw stirring shaft is greater than that between the first stirring mechanism and the heart screw stirring shaft.
Preferably, the upper plate of the plate driving device further comprises a first supporting seat, driven teeth and an upper mounting seat, the outer ring of the upper plate of the plate driving device is provided with the first supporting seat, the lower end of the first supporting seat is provided with a first sliding seat movably mounted with a first supporting guide rail, the periphery of the first supporting seat is provided with the driven teeth meshed with a gear driving mechanism, the inner ring of the upper plate of the plate driving device is symmetrically provided with two upper mounting seats, the upper mounting seat is internally provided with a U-shaped groove, the upper end of the scraping plate assembly is clamped in the U-shaped groove, and the upper plate of the plate driving device and the lower plate of the plate driving device are connected through at least two connecting rods.
Preferably, the poking plate support lower disc well comprises a second supporting seat and a lower mounting seat, the second supporting seat is mounted on the outer ring of the poking plate support lower disc, a second sliding seat movably mounted with the second supporting guide rail is arranged at the lower end of the second supporting seat, the lower mounting seat corresponding to the upper mounting seat is symmetrically arranged on the inner wall of the poking plate support lower disc, a limiting slot is arranged in the lower mounting seat, the cross section of the limiting slot is circular, a guide-in conical cavity is formed in the top of the limiting slot, and the lower end of the scraping poking plate assembly is clamped in the limiting slot.
Preferably, the scraping shifting plate assembly further comprises a supporting rod, a fixing seat, an elastic telescopic bracket and a scraping plate supporting plate, wherein the upper portion of the supporting rod is provided with a penetrating U-shaped groove, the fixing seat is arranged at the top of the supporting rod and fixed above an upper mounting seat through a fastening piece, a mounting hole matched with the fastening piece is formed in the upper mounting seat, the lower portion of the supporting rod is clamped in a limiting slot, the supporting rod is connected with the scraping plate supporting plate through a plurality of elastic telescopic brackets, and the scraping plate is mounted on the scraping plate supporting plate.
Preferably, the upper disc drive mechanism further comprises a second motor for driving the gear drive mechanism.
Preferably, the inner cavity of the sand mixing barrel is sequentially provided with a first mounting groove and a second mounting groove from top to bottom, and the first support guide rail and the second support guide rail are respectively arranged in the first mounting groove and the second mounting groove.
Preferably, a plurality of sealing elements are arranged between the outer walls of the upper driving disc and the lower supporting disc and the inner wall of the sand mixing barrel.
The invention has the beneficial effects that: according to the invention, through the cooperation of the sand mixing cylinder, the sand mixing motor, the stirring mechanism, the stirring plate driving upper plate, the stirring plate supporting lower plate, the scraping stirring plate assembly, the upper plate driving mechanism and the like, the eccentric stirring mechanism is used for stirring and mixing materials, two outer stirring shafts can be used for mixing materials in the inner circumference of the sand mixing cylinder, the mixing time can be shortened, the sand mixing efficiency is improved, the scraping stirring plate assembly can be driven to rotate through the stirring plate driving upper plate and the stirring plate supporting lower plate, the elastic telescopic support can be used for ensuring that the scraping stirring plate assembly always abuts against the inner wall of the sand mixing cylinder, molding sand adhered on the inner wall of a shell of the sand mixing machine can be timely removed, molding sand waste is avoided, molding sand resources are saved, and uniform sand mixing can be ensured, wherein the scraping stirring plate assembly adopts a detachable structure, and is convenient to detach for cleaning.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of the internal structure of a high efficiency sand mixer of the present invention;
FIG. 2 is a schematic view of a portion of a cross section of a dial plate driven upper plate of a high efficiency sand mixer of the present invention;
FIG. 3 is a schematic view in partial cross section of a toggle plate support bottom wall of a high efficiency sand mixer of the present invention;
FIG. 4 is a schematic top view of an upper mount of a high efficiency sand mixer of the present invention;
FIG. 5 is a schematic top view of a lower mount of a high efficiency sand mixer of the present invention;
FIG. 6 is a schematic structural view of an upper disc drive mechanism of a high efficiency sand mixer of the present invention;
FIG. 7 is a schematic top view of a rotary base of a high efficiency sand mixer according to the present invention.
[ detailed description ] of the invention
Referring to fig. 1 to 7, the efficient sand mixer comprises a sand mixing cylinder 1, a chassis sand mixing mechanism 2, an eccentric stirring mechanism 3, a stirring plate driving upper plate 4, a stirring plate supporting lower plate 5, a scraping stirring plate component 6 and an upper plate driving mechanism 7, wherein the chassis sand mixing mechanism 2 is arranged at the bottom of the sand mixing cylinder 1, a plurality of auxiliary stirring mechanisms are arranged on the chassis sand mixing mechanism 2, each auxiliary stirring mechanism comprises a central spiral stirring shaft 23 arranged on a rotary seat 22, two outer stirring shafts 24 and a first driving motor 21 for driving the rotary seat 22 to rotate, the central spiral stirring shafts 23 are arranged at the center of the rotary seat 22, the outer stirring shafts 24 are symmetrically distributed at two sides of the central spiral stirring shafts 23, a plurality of stirring rods are arranged on the outer stirring shafts 24, the eccentric stirring mechanism 3 is arranged on a top cover of the sand mixing cylinder 1, the eccentric stirring mechanism 3 comprises a first stirring mechanism 31 and a second stirring mechanism 32, the first stirring mechanism 31 and the second stirring mechanism 32 are symmetrically arranged by taking a central spiral stirring shaft 23 as a center, a first supporting guide rail 11 and a second supporting guide rail 12 are sequentially arranged in the inner cavity of the sand mixing cylinder 1 from top to bottom, a stirring plate driving upper disc 4 is movably arranged on the first supporting guide rail 11, an upper disc driving mechanism 7 is arranged on the outer side of the sand mixing cylinder 1, the stirring plate driving mechanism 7 controls the stirring plate driving upper disc 4 to rotate through a gear driving mechanism 72, a stirring plate supporting lower disc 5 is movably arranged on the second supporting guide rail 12, a plurality of scraping stirring plate assemblies 6 are circumferentially distributed in the sand mixing cylinder 1 at intervals, the upper end and the lower end of each scraping stirring plate assembly 6 are respectively arranged on the stirring plate driving upper disc 4 and the stirring plate supporting lower disc 5, the scraping shifting plate assembly 6 is provided with a scraping plate 65 which is propped against the inner wall of the sand mixing cylinder 1. The first stirring mechanism 31 and the second stirring mechanism 32 have the same structure, a long stirring blade group 311 and a short stirring blade group 312 are arranged on the rotating shaft of the first stirring mechanism 31 at intervals, the long stirring blade group 311 consists of 3-5 long stirring blades circumferentially arranged on the rotating shaft, the short stirring blade group 312 consists of 3-5 short stirring blades circumferentially arranged on the rotating shaft, and the distance between the outer stirring shaft 24 and the heart spiral stirring shaft 23 is greater than the distance between the first stirring mechanism 31 and the heart spiral stirring shaft 23. The dial plate driving upper disc 4 further comprises a first supporting seat 41, driven teeth 42 and an upper mounting seat 43, the outer ring of the dial plate driving upper disc 4 is provided with the first supporting seat 41, the lower end of the first supporting seat 41 is provided with a first sliding seat 411 movably mounted with the first supporting guide rail 11, the periphery of the first supporting seat 41 is provided with driven teeth 42 meshed with the gear driving mechanism 72, the inner ring of the dial plate driving upper disc 4 is symmetrically provided with two upper mounting seats 43, the upper mounting seat 43 is internally provided with a U-shaped groove 431, the upper end of the scraping dial plate assembly 6 is clamped in the U-shaped groove 431, and the dial plate driving upper disc 4 and the dial plate supporting lower disc 5 are connected through at least two connecting rods 400. The lower plate supporting disc 5 preferably comprises a second supporting seat 51 and a lower mounting seat 52, the outer ring of the lower plate supporting disc 5 is provided with the second supporting seat 51, the lower end of the second supporting seat 51 is provided with a second sliding seat 511 movably mounted with the second supporting guide rail 12, the inner wall of the lower plate supporting disc 5 is symmetrically provided with the lower mounting seat 52 corresponding to the upper mounting seat 43, the lower mounting seat 52 is internally provided with a limiting slot 521, the cross section of the limiting slot 521 is circular, the top of the limiting slot 521 is provided with a leading-in conical cavity 522, and the lower end of the scraping plate component 6 is clamped in the limiting slot 521. The scraping shifting plate assembly 6 further comprises a supporting rod 61, a fixing seat 62, an elastic telescopic bracket 63 and a scraping plate supporting plate 64, wherein a penetrating U-shaped groove 431 is formed in the upper portion of the supporting rod 61, the fixing seat 62 is arranged at the top of the supporting rod 61, the fixing seat 62 is fixed above the upper mounting seat 43 through a fastening piece 620, a mounting hole 40 matched with the fastening piece 620 is formed in the upper mounting seat 43, the lower portion of the supporting rod 61 is clamped in a limiting slot 521, the supporting rod 61 is connected with the scraping plate supporting plate 64 through a plurality of elastic telescopic brackets 63, and the scraping plate 65 is mounted on the scraping plate supporting plate 64. The upper disc drive mechanism 7 further comprises a second motor 71 for driving a gear drive mechanism 72. The inner cavity of the sand mixing barrel 1 is sequentially provided with a first mounting groove and a second mounting groove from top to bottom, and the first support guide rail 11 and the second support guide rail 12 are respectively arranged in the first mounting groove and the second mounting groove. A plurality of sealing elements are arranged between the outer walls of the poking plate driving upper disc 4 and the poking plate supporting lower disc 5 and the inner wall of the sand mixing cylinder 1.
The working process of the invention comprises the following steps:
according to the efficient sand mixer disclosed by the invention, the eccentric stirring mechanism 3 is used for stirring and mixing materials, the two outer stirring shafts can be used for mixing the materials in the sand mixing barrel 1 in a circumferential direction, the mixing time can be shortened, the sand mixing efficiency is improved, the motor 71 can be intermittently started in the mixing process, the upper disc 4 is driven by the stirring plate, the stirring plate supports the lower disc 5 to synchronously rotate, the scraping plate assembly 6 can be driven to rotate, the elastic telescopic support 63 can ensure that the scraping plate 65 always abuts against the inner wall of the sand mixing barrel 1, sand adhered to the inner wall of a shell of the sand mixer can be timely removed, so that sand waste is avoided, sand resources are saved, and the sand mixing can be ensured to be uniform, the scraping plate assembly 6 adopts a detachable structure, the disassembly is convenient for cleaning, when the scraping plate assembly 6 needs to be cleaned, the fastener 620 is firstly pulled down from the fixed seat 62, the lower end of the supporting rod 61 is separated from the limit slot 521, the upper part of the supporting rod 61 is pulled outwards, the supporting rod is separated from the U-shaped slot 431, the supporting rod is removed from the U-shaped slot 431, the sand mixing machine is cleaned, and finally the lower end of the supporting rod 61 is inserted into the U-shaped slot 521 is fixed into the limit slot 620.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (2)
1. An efficient sand mixer, its characterized in that: including a sand mixing section of thick bamboo (1), chassis sand mixing mechanism (2), eccentric rabbling mechanism (3), dial board drive upper disc (4), dial board support lower disc (5), scrape material and dial board subassembly (6) and upper disc actuating mechanism (7), chassis sand mixing mechanism (2) are installed to the bottom of sand mixing section of thick bamboo (1), be provided with a plurality of auxiliary stirring mechanism on chassis sand mixing mechanism (2), auxiliary stirring mechanism is including installing central screw (23) on swivel mount (22), two outer (24) and drive swivel mount (22) pivoted first driving motor (21), central screw (23) are installed in the center department of swivel mount (22), outer (24) symmetric distribution is in the both sides of central screw (23), install a plurality of stirring rod on outer (24), eccentric (3) are installed on sand mixing section of thick bamboo (1), auxiliary stirring mechanism (3) include first (31) and second (32) stirring mechanism, first (31) and second (32) are the central screw (31) and are the first (32) and are the second (12) with the central guide rail setting up in proper order, the stirring device comprises a stirring plate driving upper disc (4) movably arranged on a first supporting guide rail (11), an upper disc driving mechanism (7) is arranged on the outer side of a sand mixing drum (1), the stirring plate driving upper disc (4) is controlled to rotate by the upper disc driving mechanism (7) through a gear driving mechanism (72), a stirring plate supporting lower disc (5) is movably arranged on a second supporting guide rail (12), a plurality of stirring blade groups (311) and stirring blade groups (312) are circumferentially distributed in the sand mixing drum (1) at intervals, the upper end and the lower end of the stirring blade groups (6) are respectively arranged on the stirring plate driving upper disc (4) and the stirring plate supporting lower disc (5), a scraping blade (65) which is in abutting fit with the inner wall of the sand mixing drum (1) is arranged on the stirring plate driving assembly (6), the first stirring mechanism (31) and the second stirring mechanism (32) are the same in structure, a long stirring blade group (311) and a short stirring blade group (312) are alternately arranged on a rotating shaft of the first stirring mechanism (31), stirring blades (3) are circumferentially arranged between the stirring blade groups (31) and a short stirring shaft (3) and a stirring shaft (23), the stirring blade groups (312) are circumferentially arranged between the stirring blade groups (3) and the stirring shaft (23), the upper dial plate driving plate (4) further comprises a first supporting seat (41), driven teeth (42) and an upper mounting seat (43), the outer ring of the upper dial plate driving plate (4) is provided with the first supporting seat (41), the lower end of the first supporting seat (41) is provided with a first sliding seat (411) movably mounted with a first supporting guide rail (11), the periphery of the first supporting seat (41) is provided with driven teeth (42) meshed with a gear driving mechanism (72), the inner ring of the upper dial plate driving plate (4) is symmetrically provided with two upper mounting seats (43), the upper mounting seat (43) is internally provided with a U-shaped groove (431), the upper end of the scraping dial plate assembly (6) is clamped in the U-shaped groove (431), the upper dial plate driving plate (4) and the dial plate supporting lower plate (5) are connected through at least two connecting rods (400), the lower dial plate supporting plate (5) further comprises a second supporting seat (51) and a lower mounting seat (52), the second supporting seat (51) is symmetrically provided with the second supporting seat (51) and the lower supporting seat (511) is symmetrically provided with the second supporting seat (51), the lower mounting seat (52) is internally provided with a limiting slot (521), the cross section of the limiting slot (521) is circular, the top of the limiting slot (521) is provided with a leading-in conical cavity (522), and the lower end of the scraping shifting plate assembly (6) is clamped in the limiting slot (521).
2. A high efficiency sand mixer as set forth in claim 1 wherein: the scraping shifting plate assembly (6) further comprises a supporting rod (61), a fixing seat (62), an elastic telescopic support (63) and a scraping plate supporting plate (64), wherein a penetrating U-shaped groove (431) is formed in the upper portion of the supporting rod (61), the fixing seat (62) is arranged at the top of the supporting rod (61), the fixing seat (62) is fixed above an upper mounting seat (43) through a fastening piece (620), mounting holes (40) matched with the fastening piece (620) are formed in the upper mounting seat (43), the lower portion of the supporting rod (61) is clamped in a limiting slot (521), the supporting rod (61) is connected with the scraping plate supporting plate (64) through a plurality of elastic telescopic supports (63), and the scraping plate (65) is mounted on the scraping plate supporting plate (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077951.1A CN109732039B (en) | 2019-01-28 | 2019-01-28 | Efficient sand mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077951.1A CN109732039B (en) | 2019-01-28 | 2019-01-28 | Efficient sand mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109732039A CN109732039A (en) | 2019-05-10 |
| CN109732039B true CN109732039B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910077951.1A Active CN109732039B (en) | 2019-01-28 | 2019-01-28 | Efficient sand mixer |
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| CN (1) | CN109732039B (en) |
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| CN110421117A (en) * | 2019-07-30 | 2019-11-08 | 天津众达精密机械有限公司 | A kind of machining production sand mixer |
| CN110560630B (en) * | 2019-09-16 | 2021-02-05 | 溧阳市新明机械配件制造有限公司 | Roller mill with clear material mechanism |
| CN110788274B (en) * | 2019-12-20 | 2021-01-26 | 安徽宏华铸造有限公司 | Quick sand mixer for casting |
| CN112808928B (en) * | 2020-12-31 | 2022-09-09 | 江苏亚威铸造材料科技有限公司 | A roller mill for making tectorial membrane sand |
| CN114101579A (en) * | 2021-12-01 | 2022-03-01 | 创发科技(泰兴)有限公司 | Labor-saving and efficient sand mixer and using method |
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| CN109732039A (en) | 2019-05-10 |
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