CN116274853A - Arm type resin sand mixer - Google Patents
Arm type resin sand mixer Download PDFInfo
- Publication number
- CN116274853A CN116274853A CN202211576519.5A CN202211576519A CN116274853A CN 116274853 A CN116274853 A CN 116274853A CN 202211576519 A CN202211576519 A CN 202211576519A CN 116274853 A CN116274853 A CN 116274853A
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- Prior art keywords
- curing agent
- resin
- central shaft
- mixing
- spray pipe
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- 239000011347 resin Substances 0.000 title claims abstract description 114
- 229920005989 resin Polymers 0.000 title claims abstract description 114
- 239000004576 sand Substances 0.000 title claims abstract description 66
- 238000002156 mixing Methods 0.000 claims abstract description 107
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 93
- 239000007921 spray Substances 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims description 43
- 239000007924 injection Substances 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 39
- 230000009467 reduction Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 238000003756 stirring Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 description 7
- 238000007599 discharging Methods 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to the field of resin sand preparation and discloses an arm type resin sand mixer; according to the invention, the curing agent spray pipe and the resin spray pipe which are arranged on the central shaft and positioned in the gaps of the mixing spiral blades, the first rotary sleeve ring and the second rotary sleeve ring are arranged, so that the curing agent and the resin raw material are fully mixed with sand materials raised when the curing agent spray pipe and the resin spray pipe rotate, the mixing speed and the mixing uniformity are improved, and the mixing efficiency is improved; through being equipped with curing agent spray tube and the resin spray tube that is inboard breach square frame form, improve the stirring and raise sand the effect, and the orifice is seted up on curing agent spray tube and the resin spray tube on the parallel horizontal part with the center pin, improves the contact probability of curing agent and resin, improves the mixing effect.
Description
Technical Field
The invention relates to the field of resin sand preparation, in particular to an arm type resin sand mixer.
Background
The resin sand mixer is as follows: a sand mixer for continuously mixing resin sand and core sand in foundry is a resin self-hardening sand mixer for continuously mixing liquid solidifying agent and liquid resin to form mould or core. The resin sand mixer can be divided into: the double-arm resin sand mixer and the single-arm resin sand mixer are characterized by consisting of two stages of freely rotating stirring cages, wherein the first stage is a conveying stirring cage for conveying raw sand; a second-stage high-speed sand mixing stirring cage and high-speed sand mixing. The liquid resin and the curing agent are sprayed in the second-stage stirring cage, the curing agent is sprayed first, and then the resin is sprayed after a certain time.
The traditional double-arm resin sand mixer adopts two-stage stirring cages for ensuring the mixing effect of curing agent, resin and sand materials, ensures the mixing quality through high-speed and long-distance stirring, but causes longer equipment length, and simultaneously has poor stirring and mixing effects of the dragon blades.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide an arm type resin sand mixer, which can realize the adoption of a curing agent spray pipe and a resin spray pipe which are arranged on a central shaft and are in a direction frame shape with inner notches, so that the curing agent, the resin and sand materials are fully mixed within a shorter conveying distance, and the alleviation effect is improved.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
An arm type resin sand mixer comprises a rotating table and a mixing drum arranged on the rotating table; the upper part of the left side of the mixing cylinder is communicated with a sand inlet pipe, and the lower part of the right side of the mixing cylinder is communicated with a sand discharge cover; a conveying helical blade is arranged below the sand inlet pipe in the mixing cylinder, the conveying helical blade is fixedly connected with a left sleeve which is rotationally connected with the left side wall of the mixing cylinder and extends to the outer side of the mixing cylinder, the right side of the conveying helical blade is provided with a mixing helical blade, the mixing helical blade is fixedly connected with a central shaft which penetrates through the left sleeve and extends to the outer side of the mixing cylinder, the central shaft is connected with a driving motor arranged on the left side of the mixing cylinder through a coupling, and the end part of the central shaft positioned on the outer side of the mixing cylinder is connected with the end part of the left sleeve through a speed reduction transmission assembly;
the central shaft is fixedly connected with a square frame-shaped curing agent spray pipe which is positioned in the gap of the mixing spiral blade and is provided with an inner notch, the right side of the central shaft, which is positioned on the curing agent spray pipe, is provided with a resin spray pipe which has the same structure as the curing agent spray pipe, and the curing agent spray pipe and the resin spray pipe are provided with spray holes; the central shaft is internally provided with a curing agent injection channel which is communicated with the curing agent spray pipe and extends to the right side of the mixing cylinder, the right end of the curing agent injection channel extends to the circumferential side wall of the central shaft and is provided with a curing agent injection opening, the central shaft is provided with a resin injection channel which is communicated with the resin spray pipe and extends to the right side of the mixing cylinder, and the right side of the resin injection channel extends to the circumferential side wall of the central shaft and is provided with a resin injection opening; the central shaft is located the first rotatory lantern ring that the curing agent filling port outside cover was connected with the central shaft rotation, and the central shaft is located the outside cover of resin filling port and is equipped with the second rotatory lantern ring that is connected with the central shaft rotation, and first rotatory lantern ring intercommunication has the curing agent injection pipe with outside transfer pump intercommunication, and the second rotatory lantern ring intercommunication has the resin injection pipe with outside transfer pump intercommunication.
Further, the speed reduction transmission assembly is an adjustable speed change assembly, the speed reduction transmission assembly comprises a driven gear ring sleeved on the left end of the left sleeve, a driving gear is meshed above the driven gear ring, the driving gear is fixedly connected with a transmission shaft, a group of conical speed change discs which are oppositely arranged and are in sliding connection with the transmission shaft are sleeved on the transmission shaft, and the conical speed change discs are connected with belt wheels sleeved on a central shaft through transmission belts; the transmission shaft is internally nested with a group of inner slide blocks fixedly connected with the conical speed changing disc, the inner slide blocks are in threaded connection with a bidirectional screw rod extending to the left side of the transmission shaft, and the left end of the bidirectional screw rod is fixedly connected with an adjusting wheel.
Further, horizontal parts arranged in parallel with the central shaft on the curing agent spray pipe and the resin spray pipe are in sliding contact with the inner wall of the mixing cylinder.
Further, a vertical shaft fixedly connected with the mixing drum and a power motor for driving the vertical shaft to rotate are arranged in the rotating table.
Further, the left sleeve is a cylinder with two open ends, the left sleeve is rotationally connected with the left side wall of the mixing cylinder through a bearing, and the central shaft penetrates through the left sleeve and is rotationally connected with the inner wall of the left sleeve.
Further, the curing agent injection channel and the resin injection channel are columnar channels with two ends extending to the end face of the outer wall of the circumference of the central shaft, and the curing agent spray pipe and the resin spray pipe are hollow pipes.
Further, the center pin is located curing agent filling opening and resin filling opening both sides all be equipped with center pin integrated into one piece's annular bulge, and first rotatory lantern ring and second rotatory lantern ring are both ends open-ended cylindric, and first rotatory lantern ring and the rotatory lantern ring of second are all overlapped and are established in annular bulge outside, and first rotatory lantern ring and the rotatory lantern ring of second all pass through mounting panel and mixing drum right wall fixed connection.
Further, the curing agent spray pipe and the resin spray pipe are both positioned in the radial direction of the central shaft, the curing agent spray pipe and the resin spray pipe are square frame-shaped hollow round pipes with inner side gaps, and spray holes formed in the curing agent spray pipe and the resin spray pipe are both positioned on horizontal parts of the curing agent spray pipe and the resin spray pipe, which are parallel to the central shaft.
Further, the jet hole opening direction is perpendicular to the radial direction of the central shaft, and the jet hole is formed on the opposite side surface of one side, which is contacted with the material, of the curing agent jet pipe and the resin jet pipe when the curing agent jet pipe and the resin jet pipe rotate.
Further, a centrifugal throwing blade which is nested in the mixing cylinder and is in sliding contact with the inner wall of the mixing cylinder is arranged above the sand discharging cover, the centrifugal throwing blade is fixedly connected with a right sleeve, and the right sleeve is sleeved on the central shaft and is fixedly connected with the central shaft.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the invention, the curing agent spray pipe and the resin spray pipe which are arranged on the central shaft and positioned in the gaps of the mixing spiral blades, the first rotary sleeve ring and the second rotary sleeve ring are arranged, so that the curing agent and the resin raw material are fully mixed with sand materials raised when the curing agent spray pipe and the resin spray pipe rotate, the mixing speed and the mixing uniformity are improved, and the mixing efficiency is improved.
(2) According to the invention, the curing agent spray pipe and the resin spray pipe which are square frame-shaped with the inner notch are arranged, so that the stirring sand-lifting effect is improved, and the spray holes are arranged on the horizontal parts of the curing agent spray pipe and the resin spray pipe which are parallel to the central shaft, so that the contact probability of the curing agent and the resin is improved, and the mixing effect is improved.
(3) According to the invention, the two-stage stirring cage is simplified into the one-stage mixing cylinder while the mixing effect is ensured by the aid of the central shaft, the mixing spiral blade, the left sleeve sleeved on the central shaft, the conveying spiral blade arranged on the left sleeve and the speed reduction transmission assembly for connecting the central shaft and the left sleeve, so that the structure of the device is simplified, and the mixing speed is improved.
(4) The invention is provided with the transmission shaft comprising the conical speed changing disc, the transmission shaft provided with the axial sliding groove, the inner sliding block which is nested in the axial sliding groove and connected with the conical speed changing disc, the bidirectional screw rod which is in threaded connection with the inner sliding block, and the adjusting wheel which is connected with the bidirectional screw rod, thereby being convenient for adjusting the speed difference of the conveying helical blade and the mixing helical blade and adjusting the feeding speed and the mixing speed.
Drawings
FIG. 1 is a schematic perspective view of the right side view of the present invention;
FIG. 2 is a schematic perspective view of the left side view of the present invention;
FIG. 3 is a schematic bottom view of a mixing drum according to the present invention;
FIG. 4 is a schematic cross-sectional view of a mixing drum according to the present invention;
FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 4;
FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 4;
FIG. 7 is an enlarged schematic view of FIG. 4 at C;
FIG. 8 is a schematic cross-sectional view of a mixing helical blade and central shaft of the present invention;
FIG. 9 is a schematic view of the assembled structure of the conveying screw blade and the left sleeve according to the present invention;
FIG. 10 is a schematic perspective view of a reduction gear assembly according to the present invention;
fig. 11 is a schematic perspective view of a centrifugal casting blade according to the present invention.
The reference numerals in the figures illustrate: 1. a rotating table; 2. a mixing drum; 3. a sand inlet pipe; 4. a sand discharging cover; 5. conveying the helical blade; 6. a left sleeve; 7. mixing helical blades; 8. a central shaft; 801. a curing agent injection channel; 802. a resin injection channel; 9. a coupling; 10. a driving motor; 11. a reduction transmission assembly; 12. a curing agent nozzle; 13. a first rotating collar; 14. a curing agent injection tube; 15. a resin nozzle; 1501. a spray hole; 16. a second rotating collar; 17. a resin injection tube; 18. a passive gear ring; 19. a drive gear; 20. a transmission shaft; 2001. an axial chute; 21. a conical shift disc; 22. a transmission belt; 23. a belt wheel; 24. an inner slide; 25. a two-way screw rod; 26. an adjusting wheel; 27. centrifugal blade throwing; 28. and a right sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 11, in one embodiment of the present invention, an arm type resin sand mixer includes a rotary table 1 and a mixing drum 2 mounted on the rotary table 1; the upper left side of the mixing cylinder 2 is communicated with a sand inlet pipe 3, and the lower right side of the mixing cylinder 2 is communicated with a sand discharge cover 4; a conveying helical blade 5 is arranged below the sand inlet pipe 3 in the mixing drum 2, the conveying helical blade 5 is fixedly connected with a left sleeve 6 which is rotationally connected with the left side wall of the mixing drum 2 and extends to the outer side of the mixing drum 2, the right side of the conveying helical blade 5 is provided with a mixing helical blade 7, the mixing helical blade 7 is fixedly connected with a central shaft 8 which penetrates through the left sleeve 6 and extends to the outer side of the mixing drum 2, the central shaft 8 is connected with a driving motor 10 which is arranged on the left side of the mixing drum 2 through a coupler 9, and the end part of the central shaft 8 which is positioned on the outer side of the mixing drum 2 is connected with the end part of the left sleeve 6 through a reduction transmission assembly 11;
the central shaft 8 is fixedly connected with a square frame-shaped curing agent spray pipe 12 which is positioned in the gap of the mixing spiral blade 7 and is provided with an inner notch, the right side of the central shaft 8 positioned on the curing agent spray pipe 12 is provided with a resin spray pipe 15 which has the same structure as the curing agent spray pipe 12, and the curing agent spray pipe 12 and the resin spray pipe 15 are provided with spray holes 1501; a curing agent injection channel 801 which is communicated with the curing agent spray pipe 12 and extends to the right side of the mixing drum 2 is formed in the central shaft 8, the right end of the curing agent injection channel 801 extends to the circumferential side wall of the central shaft 8 and is provided with a curing agent injection opening, the central shaft 8 is provided with a resin injection channel 802 which is communicated with the resin spray pipe 15 and extends to the right side of the mixing drum 2, and the right side of the resin injection channel 802 extends to the circumferential side wall of the central shaft 8 and is provided with a resin injection opening; the central shaft 8 is positioned outside the curing agent injection opening and sleeved with a first rotary sleeve ring 13 rotationally connected with the central shaft 8, the central shaft 8 is positioned outside the resin injection opening and sleeved with a second rotary sleeve ring 16 rotationally connected with the central shaft 8, the first rotary sleeve ring 13 is communicated with a curing agent injection pipe 14 communicated with an external infusion pump, and the second rotary sleeve ring 16 is communicated with a resin injection pipe 17 communicated with the external infusion pump.
Specifically, sand is fed into the mixing drum 2 through the sand feeding pipe 3, the driving motor 10 is started, the driving motor 10 drives the central shaft 8 to rotate, the central shaft 8 drives the left sleeve 6 to rotate through the reduction transmission assembly 11, the left sleeve 6 drives the conveying helical blade 5 to rotate, the conveying helical blade 5 pushes the sand to flow slowly, meanwhile, the central shaft 8 drives the mixing helical blade 7 to rotate at a high speed to push and mix the sand, meanwhile, the external infusion pump is started, the external agent storage box is filled with curing agent and resin raw materials through the curing agent injection pipe 14 and the resin injection pipe 17 into the curing agent spray pipe 12 and the resin spray pipe 15 respectively to be sprayed out, the sand is firstly contacted with the curing agent spray pipe 12 under the pushing of the mixing helical blade 7, and then the sand and the resin are pushed to be mixed.
In the mixing process, the curing agent spray pipe 12 and the resin spray pipe 15 are square frames with inner side gaps, the central shaft 8 drives the curing agent spray pipe 12 and the resin spray pipe 15 to do circular motion, sand materials positioned at the bottom of the mixing cylinder 2 are continuously lifted up to a cavity above the mixing cylinder 2 by the curing agent spray pipe 12 and the resin spray pipe 15, so that the curing agent sprayed from the curing agent spray pipe 12 and the resin spray pipe 15 and the lifted sand materials are fully mixed, the mixing speed and the mixing uniformity are improved, the mixing effect is ensured, a two-stage dragon cylinder is not needed to be adopted like a traditional double-arm sand mixer, one-stage conveying is carried out, the other-stage mixing is carried out, and the mixing effect is ensured by a longer two-stage mixing dragon cylinder.
In the embodiment, a vertical shaft fixedly connected with a mixing drum 2 and a power motor for driving the vertical shaft to rotate are arranged in a rotating table 1.
Specifically, the rotating table 1 drives the mixing drum 2 to rotate, so that the injection of resin sand of mold frames at different positions is adapted.
In this embodiment, the left sleeve 6 is a cylinder with two open ends, the left sleeve 6 is rotatably connected with the left side wall of the mixing drum 2 through a bearing, and the central shaft 8 penetrates the left sleeve 6 and is rotatably connected with the inner wall of the left sleeve 6.
Specifically, the transmission connection of the left sleeve 6 and the central shaft 8 is facilitated, the single motor and the reduction transmission assembly 11 are used for realizing the driving of the conveying helical blade 5 and the mixing helical blade 7, the driving structure is simplified, and the manufacturing cost is reduced.
In this embodiment, the curing agent injection channel 801 and the resin injection channel 802 are columnar channels with both ends extending to the peripheral outer wall end face of the center shaft 8, and the curing agent nozzle 12 and the resin nozzle 15 are hollow tubes.
In this embodiment, the central shaft 8 is located at the two sides of the curing agent injection port and the resin injection port and is provided with annular protrusions integrally formed with the central shaft 8, the first rotary collar 13 and the second rotary collar 16 are cylindrical with two open ends, the first rotary collar 13 and the second rotary collar 16 are sleeved outside the annular protrusions, and the first rotary collar 13 and the second rotary collar 16 are fixedly connected with the right wall of the mixing drum 2 through mounting plates.
Specifically, the curing agent and the resin are conveyed into the curing agent spray pipe 12 and the resin spray pipe 15 through the central shaft 8, internal spray mixing is realized, and the mixing effect is improved.
In this embodiment, the curing agent nozzle 12 and the resin nozzle 15 are both located in the radial direction of the central shaft 8, the curing agent nozzle 12 and the resin nozzle 15 are both hollow round tubes with square frame shapes with inner notches, and the spray holes 1501 formed in both the curing agent nozzle 12 and the resin nozzle 15 are both located on the horizontal portions parallel to the central shaft 8.
In this embodiment, the horizontal portions of the curing agent nozzle 12 and the resin nozzle 15, which are disposed parallel to the central axis 8, slidably abut against the inner wall of the mixing drum 2.
In this embodiment, the direction in which the nozzle 1501 is opened is perpendicular to the radial direction of the central shaft 8, and the nozzle 1501 is opened on the opposite side of the side in contact with the material when the curing agent nozzle 12 and the resin nozzle 15 rotate.
Specifically, the curing agent spray pipe 12 and the resin spray pipe 15 slide relatively to the inner wall of the mixing cylinder 2 when rotating, so that good lifting effect is achieved on sand materials accumulated at the lower part of the mixing cylinder 2, and meanwhile, the spray holes 1501 of the curing agent spray pipe 12 and the resin spray pipe are positioned on the horizontal part, so that the contact effect of the curing agent, the resin and the sand materials is better ensured; the nozzle 1501 is formed on the opposite side of the side contacting the material when the curing agent nozzle 12 and the resin nozzle 15 rotate, so as to prevent the sand from blocking the nozzle 1501.
Referring to fig. 5 and 10, in another embodiment of the present invention, the reduction transmission assembly 11 is an adjustable speed change assembly, the reduction transmission assembly 11 includes a driven gear ring 18 sleeved on the left end of the left sleeve 6, a driving gear 19 is meshed above the driven gear ring 18, the driving gear 19 is fixedly connected with a transmission shaft 20, a set of conical speed change discs 21 oppositely arranged and slidingly connected with the transmission shaft 20 are sleeved on the transmission shaft 20, and the conical speed change discs 21 are connected with pulleys 23 sleeved on the central shaft 8 through a transmission belt 22; a group of inner slide blocks 24 fixedly connected with the conical speed changing disc 21 are nested in the transmission shaft 20, the inner slide blocks 24 are in threaded connection with a bidirectional screw rod 25 extending to the left side of the transmission shaft 20, and the left end of the bidirectional screw rod 25 is fixedly connected with an adjusting wheel 26.
In this embodiment, the transmission shaft 20 is provided with an axial chute 2001 vertically penetrating the transmission shaft 20, and the inner slide 24 is nested in the axial chute 2001 and fixedly connected with the inner wall of the conical speed changing disc 21.
Specifically, by screwing the adjusting wheel 26, the bidirectional screw rod 25 drives a set of tapered speed changing discs 21 which are oppositely arranged to move in opposite directions or in the north direction, so that the contact position of the tapered speed changing discs 21 and the driving belt 22 is changed, the transmission ratio between the tapered speed changing discs 21 and the belt pulley 23 is changed, the rotation speed of the left sleeve 6 and the conveying helical blade 5 is further adjusted, and the feeding speed is further changed.
In the embodiment, a centrifugal throwing blade 27 which is nested in the mixing drum 2 and is in sliding contact with the inner wall of the mixing drum 2 is arranged above the sand discharging cover 4, the centrifugal throwing blade 27 is fixedly connected with a right sleeve 28, and the right sleeve 28 is sleeved on the central shaft 8 and is fixedly connected with the central shaft 8.
Specifically, when the resin sand is discharged, the centrifugal throwing blade 27 enables the discharge to be more thorough, and the resin sand is prevented from being stuck to the inner wall of the mixing drum 2.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. An arm type resin sand mixer is characterized by comprising a rotating table (1) and a mixing drum (2) arranged on the rotating table (1); the upper left side of the mixing cylinder (2) is communicated with a sand inlet pipe (3), and the lower right side of the mixing cylinder (2) is communicated with a sand discharge cover (4); the sand feeding device is characterized in that a conveying helical blade (5) is arranged below the sand feeding pipe (3) in the mixing drum (2), the conveying helical blade (5) is fixedly connected with a left sleeve (6) which is rotationally connected with the left side wall of the mixing drum (2) and extends to the outer side of the mixing drum (2), a mixing helical blade (7) is arranged on the right side of the conveying helical blade (5), the mixing helical blade (7) is fixedly connected with a central shaft (8) which penetrates through the left sleeve (6) and extends to the outer side of the mixing drum (2), the central shaft (8) is connected with a driving motor (10) arranged on the left side of the mixing drum (2) through a coupler (9), and the end part of the central shaft (8) positioned on the outer side of the mixing drum (2) is connected with the end part of the left sleeve (6) through a speed reduction transmission assembly (11);
the central shaft (8) is fixedly connected with a square frame-shaped curing agent spray pipe (12) which is positioned in the gap of the mixing spiral blade (7) and is provided with an inner notch, the central shaft (8) is positioned on the right side of the curing agent spray pipe (12) and is provided with a resin spray pipe (15) with the same structure as the curing agent spray pipe (12), and spray holes (1501) are formed in the curing agent spray pipe (12) and the resin spray pipe (15); a curing agent injection channel (801) which is communicated with the curing agent spray pipe (12) and extends to the right side of the mixing drum (2) is formed in the central shaft (8), the right end of the curing agent injection channel (801) extends to the circumferential side wall of the central shaft (8) and is provided with a curing agent injection opening, the central shaft (8) is provided with a resin injection channel (802) which is communicated with the resin spray pipe (15) and extends to the right side of the mixing drum (2), and the right side of the resin injection channel (802) extends to the circumferential side wall of the central shaft (8) and is provided with a resin injection opening; the central shaft (8) is located the first rotatory lantern ring (13) that the curing agent filling port outside cover was connected with center shaft (8) rotation, and center shaft (8) are located the outside cover of resin filling port and are equipped with second rotatory lantern ring (16) that are connected with center shaft (8) rotation, and first rotatory lantern ring (13) intercommunication has curing agent injection pipe (14) with outside transfer pump intercommunication, and second rotatory lantern ring (16) intercommunication has resin injection pipe (17) with outside transfer pump intercommunication.
2. An arm type resin sand mixer according to claim 1, characterized in that the speed reduction transmission assembly (11) is an adjustable speed change assembly, the speed reduction transmission assembly (11) comprises a driven gear ring (18) sleeved on the left end of the left sleeve (6), a driving gear (19) is meshed above the driven gear ring (18), the driving gear (19) is fixedly connected with a transmission shaft (20), a group of conical speed change discs (21) which are oppositely arranged and are in sliding connection with the transmission shaft (20) are sleeved on the transmission shaft (20), and the conical speed change discs (21) are connected with belt wheels (23) sleeved on a central shaft (8) through a transmission belt (22); a group of inner sliding blocks (24) fixedly connected with the conical speed changing disc (21) are nested in the transmission shaft (20), the inner sliding blocks (24) are in threaded connection with two-way screw rods (25) extending to the left side of the transmission shaft (20), and the left ends of the two-way screw rods (25) are fixedly connected with adjusting wheels (26).
3. An arm-type resin sand mixer according to claim 1, wherein the horizontal parts of the curing agent spray pipe (12) and the resin spray pipe (15) which are arranged in parallel with the central shaft (8) are in sliding contact with the inner wall of the mixing cylinder (2).
4. The arm type resin sand mixer according to claim 1, wherein a vertical shaft fixedly connected with the mixing drum (2) and a power motor for driving the vertical shaft to rotate are arranged in the rotating table (1).
5. The arm type resin sand mixer according to claim 1, wherein the left sleeve (6) is a cylinder with two open ends, the left sleeve (6) is rotatably connected with the left side wall of the mixing cylinder (2) through a bearing, and the central shaft (8) penetrates through the left sleeve (6) and is rotatably connected with the inner wall of the left sleeve (6).
6. An arm type resin sand mixer according to claim 1, wherein the curing agent injection channel (801) and the resin injection channel (802) are columnar channels with both ends extending to the end face of the peripheral outer wall of the central shaft (8), and the curing agent spray pipe (12) and the resin spray pipe (15) are hollow pipes.
7. The arm type resin sand mixer according to claim 1, wherein the central shaft (8) is located at the two sides of the curing agent injection opening and the resin injection opening, annular protrusions integrally formed with the central shaft (8) are arranged at the two sides of the central shaft, the first rotary sleeve ring (13) and the second rotary sleeve ring (16) are cylindrical with openings at two ends, the first rotary sleeve ring (13) and the second rotary sleeve ring (16) are sleeved outside the annular protrusions, and the first rotary sleeve ring (13) and the second rotary sleeve ring (16) are fixedly connected with the right wall of the mixing drum (2) through mounting plates.
8. An arm type resin sand mixer according to claim 3, wherein the curing agent nozzle (12) and the resin nozzle (15) are both positioned in the radial direction of the central shaft (8), the curing agent nozzle (12) and the resin nozzle (15) are both square frame-shaped hollow round tubes with inner notches, and the spray holes (1501) formed in the curing agent nozzle (12) and the resin nozzle (15) are both positioned on the horizontal parts of the hollow round tubes which are parallel to the central shaft (8).
9. An arm type resin sand mixer according to claim 3, wherein the jet holes (1501) are formed in a direction perpendicular to the radial direction of the central shaft (8), and the jet holes (1501) are formed on the opposite side of the side contacting the material when the curing agent jet pipe (12) and the resin jet pipe (15) rotate.
10. The arm type resin sand mixer according to claim 2, wherein a centrifugal throwing blade (27) which is nested in the mixing cylinder (2) and is in sliding contact with the inner wall of the mixing cylinder (2) is arranged above the sand discharge cover (4), the centrifugal throwing blade (27) is fixedly connected with a right sleeve (28), and the right sleeve (28) is sleeved on the central shaft (8) and is fixedly connected with the central shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211576519.5A CN116274853A (en) | 2022-12-09 | 2022-12-09 | Arm type resin sand mixer |
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| CH588314A5 (en) * | 1974-05-15 | 1977-05-31 | Bepex Corp | Resin and foundry sand mixing apparatus - sand and binder independently regulated and introduced into mixing chamber allowing variation of mixture |
| JP2002307426A (en) * | 2001-04-11 | 2002-10-23 | Asou Rejikon:Kk | Material feeder for manufacture of resin concrete tube |
| CN201530049U (en) * | 2009-10-27 | 2010-07-21 | 孟昭贵 | Sand mulling auger used for resin self-hardening sand equipment |
| CN206597874U (en) * | 2017-01-20 | 2017-10-31 | 宁波莆雪能源设备制造有限公司 | Resin pug mixer |
| CN107999693A (en) * | 2017-12-12 | 2018-05-08 | 北京航星机器制造有限公司 | A kind of self-hardening resin sand mixer and its mulling method |
| CN107999697A (en) * | 2018-01-23 | 2018-05-08 | 江西力天机械有限公司 | A kind of two-arm resin sand mixer |
| CN108145071A (en) * | 2017-12-28 | 2018-06-12 | 青岛诺信机械有限公司 | A kind of sand mixer |
| CN211437984U (en) * | 2019-12-31 | 2020-09-08 | 泊头市河铸重工机械有限公司 | Casting is with preventing blockking up resin sand roller mill |
| CN212664827U (en) * | 2020-07-06 | 2021-03-09 | 青岛胶东机械制造有限公司 | Double-arm resin sand mixer |
| CN115319019A (en) * | 2022-08-15 | 2022-11-11 | 威海铁鹰数控有限公司 | Resin sand mulling device convenient to use |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1318686A (en) * | 1971-04-26 | 1973-05-31 | Baker Perkins Ltd | Combined mixerconveyor unit |
| CH588314A5 (en) * | 1974-05-15 | 1977-05-31 | Bepex Corp | Resin and foundry sand mixing apparatus - sand and binder independently regulated and introduced into mixing chamber allowing variation of mixture |
| JP2002307426A (en) * | 2001-04-11 | 2002-10-23 | Asou Rejikon:Kk | Material feeder for manufacture of resin concrete tube |
| TW558486B (en) * | 2001-04-11 | 2003-10-21 | Asou Rejikon Kk | Material feeder for manufacture of resin concrete tube |
| CN201530049U (en) * | 2009-10-27 | 2010-07-21 | 孟昭贵 | Sand mulling auger used for resin self-hardening sand equipment |
| CN206597874U (en) * | 2017-01-20 | 2017-10-31 | 宁波莆雪能源设备制造有限公司 | Resin pug mixer |
| CN107999693A (en) * | 2017-12-12 | 2018-05-08 | 北京航星机器制造有限公司 | A kind of self-hardening resin sand mixer and its mulling method |
| CN108145071A (en) * | 2017-12-28 | 2018-06-12 | 青岛诺信机械有限公司 | A kind of sand mixer |
| CN107999697A (en) * | 2018-01-23 | 2018-05-08 | 江西力天机械有限公司 | A kind of two-arm resin sand mixer |
| CN211437984U (en) * | 2019-12-31 | 2020-09-08 | 泊头市河铸重工机械有限公司 | Casting is with preventing blockking up resin sand roller mill |
| CN212664827U (en) * | 2020-07-06 | 2021-03-09 | 青岛胶东机械制造有限公司 | Double-arm resin sand mixer |
| CN115319019A (en) * | 2022-08-15 | 2022-11-11 | 威海铁鹰数控有限公司 | Resin sand mulling device convenient to use |
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