CN112276051B - Bottom sand unloading assembly of lost foam casting sand box - Google Patents
Bottom sand unloading assembly of lost foam casting sand box Download PDFInfo
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- CN112276051B CN112276051B CN202011207044.3A CN202011207044A CN112276051B CN 112276051 B CN112276051 B CN 112276051B CN 202011207044 A CN202011207044 A CN 202011207044A CN 112276051 B CN112276051 B CN 112276051B
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- collision
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
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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
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Abstract
The invention discloses a sand unloading assembly at the bottom of a lost foam casting sand box, which comprises a casting die, wherein the outer wall of the casting die is rotatably connected with a sand scraping assembly, the sand scraping assembly comprises a slide block, the bottom end of the slide block is fixedly connected with an anti-collision assembly, the anti-collision assembly comprises a connecting rod, the slide block is fixedly connected with the connecting rod, the connecting rod is fixedly connected with an inner anti-collision mechanism, the inner anti-collision mechanism rotates an outer anti-collision structure, two sides of the outer anti-collision structure are spliced by bolts, the side wall of the outer anti-collision structure is fixedly connected with a spiral brush head, the spiral brush head is in contact connection with the side wall of the casting die, the inner anti-collision mechanism comprises an inner anti-collision shell, the connecting rod is fixedly connected with an anti-collision shell, the side wall of the inner anti-collision shell penetrates through an inner chute, the outer end surface of the inner anti-collision shell penetrates through a circular groove, the inner wall of the circular groove is fixedly connected with a spring, the outer anti-collision structure comprises a left anti-collision shell, the inner wall of the left anti-collision shell is hinged with the inner wall of a right anti-collision shell, an opening is spliced by bolts and concentrically fixed outside the inner anti-collision shell, the inner walls of the left anti-collision shell valve and the right anti-collision shell valve circumferentially penetrate through the rotating groove, and the rotating groove is connected with the rotating roller in a sliding mode.
Description
Technical Field
The invention relates to the technical field of sand unloading assemblies, in particular to a bottom sand unloading assembly of a lost foam casting sand box.
Background
The basic raw materials for making sand molds are foundry sand and a sand binder. The most commonly used foundry sand is siliceous sand. When the high-temperature performance of the silica sand can not meet the use requirement, special sand such as zircon sand, chromite sand, corundum sand and the like is used. In order to make the sand molds and cores with certain strength and without deformation or damage during handling, molding and pouring of liquid metal, a sand binder is generally added to the casting to bind the loose sand particles together to form the molding sand. The most widely used molding sand binder is clay, various dry or semi-dry oils, water-soluble silicates or phosphates and various synthetic resins can be used as the molding sand binder, the cast sand needs to be removed, a shovel is usually used for removing the sand manually, but the temperature of the bonded casting is high, residual fire is burnt, the removal is dangerous, and the removed residual sand is scattered around dirty and can not be recycled.
Disclosure of Invention
The invention aims to provide a bottom sand discharging assembly of a lost foam casting sand box, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a sand unloading assembly at the bottom of a lost foam casting sand box comprises a casting die, wherein the outer wall of the casting die is rotatably connected with a sand scraping assembly, the sand scraping assembly comprises a sliding block, the bottom end of the sliding block is fixedly connected with an anti-collision assembly, the anti-collision assembly comprises a connecting rod, an inner anti-collision mechanism, an outer anti-collision structure, a bolt and a spiral brush head, the bottom end of the sliding block is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with the inner anti-collision mechanism through a coaxial line, the outer anti-collision mechanism is in transition rotation fit with the outer anti-collision structure, the two sides of the outer anti-collision structure are fixedly connected with the spiral brush head through the central position of the side wall of the outer anti-collision structure, the spiral brush head is in contact connection with the side wall of the casting die, the inner anti-collision mechanism comprises an inner anti-collision shell, an inner chute, a circular groove and a spring, the other end of the connecting rod is fixedly connected with one end of the inner anti-collision shell through the inner chute in a coaxial line, and the side wall of the inner anti-collision shell circumferentially penetrates through a plurality of the inner chute, interior crashproof shell outside end face central point puts and runs through the circular slot, circular slot inner wall rigid coupling spring one end, the outer crashproof structure of spring other end rigid coupling, outer crashproof structure includes left crashproof shell lamella, right crashproof shell lamella, swivelling chute and rotatory roller, left side crashproof shell lamella and right crashproof shell lamella inner wall one end adopt the hinge joint, and the crashproof shell outside including other end opening part adopts bolt grafting concentric fixed, spring other end rigid coupling is put at left crashproof shell lamella and right crashproof shell lamella inner wall central point, left side crashproof shell lamella and right crashproof shell lamella inner wall circumference run through a plurality of swivelling chute, the rotatory roller of the inside sliding connection of swivelling chute, rotatory roller rotates to be connected inside the inner chute.
Preferably, the spiral brush head is a spiral sheet fixedly connected with the outer wall of the cylinder and made of a fireproof sealing strip material, the inner anti-collision shell is a half spherical block, the inner sliding groove and the rotating groove are both of a half cylindrical groove structure, and the left anti-collision shell flap and the right anti-collision shell flap are symmetrically arranged in a quarter hollow spherical mechanism.
Preferably, the sand scraping assembly comprises a machine tool rotating head, a sliding rail, a motor, a sliding groove, a lead screw and a sliding block, wherein the bottom end face of the machine tool rotating head is fixedly connected with one side of the sliding rail vertically, the sliding groove is formed in the hollow part of the sliding rail in a penetrating mode, the sliding groove is connected with the lead screw in a rotating mode, one end of the lead screw is driven to rotate by the motor, the lead screw penetrates through the side wall of the sliding block, the sliding block is connected with the lead screw in a threaded mode, the sliding block is connected inside the sliding groove in a sliding mode, and the sliding block extends out of an end fixedly connected connecting rod.
Preferably, the sliding groove is of a dovetail groove structure, the sliding block is of a dovetail block structure, and the two side walls of the sliding groove are fixedly connected with the anti-collision pieces made of rubber materials.
Preferably, the casting mould is placed on collecting the subassembly, collect the subassembly and include workstation, recess, place piece, swash plate and small opening, the casting mould is placed on placing the piece, place a both sides rigid coupling in the recess inner wall bottom side, the recess runs through workstation up end middle part, the swash plate of workstation bottom end inner wall rigid coupling top right side slope, the vertical small opening that runs through in swash plate left side, the collecting box has been placed to the small opening below.
Preferably, the placing block is of a middle-shaped structure, the grooves are cuboid grooves with side surfaces inclined inwards and downwards, and the inner wall of each groove is fixedly connected with a mirror surface material sheet.
Compared with the prior art, the invention has the beneficial effects that: when the anti-collision device is used, a rotating head of a machine tool is started to rotate, the lead screw is rotated by starting the motor, so that the slide block is driven to reciprocate on the lead screw, the spiral brush head is driven to spirally rotate around the center to be diffused and scraped on the side wall of a casting die, and residual sand on the outer wall is scraped.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a bumper assembly according to the present invention;
FIG. 3 is a schematic view of an outer anti-collision structure according to the present invention;
FIG. 4 is a schematic view of an inner bump protection mechanism according to the present invention;
FIG. 5 is a schematic view of a sand scraping assembly according to the present invention;
FIG. 6 is a schematic view of the interior of the slide rail according to the present invention;
FIG. 7 is a schematic view of a slider according to the present invention;
FIG. 8 is a cross-sectional view of a collection assembly of the present invention;
FIG. 9 is a schematic view of the upper end of the collection assembly of the present invention.
In the figure: 1 casting die, 2 scraping assemblies, 3 collection assemblies, 4 anticollision assemblies, 21 machine tool rotating heads, 22 slide rails, 23 motors, 24 chutes, 25 lead screws, 26 sliders, 41 connecting rods, 42 inner anticollision mechanisms, 43 outer anticollision structures, 44 bolts, 45 spiral brush heads, 430 left anticollision shell petals, 431 right anticollision shell petals, 432 rotating grooves, 433 rotating rollers, 420 inner anticollision shells, 421 inner chutes, 422 circular grooves, 423 springs, 31 workbenches, 32 grooves, 33 placing blocks, 35 inclined plates and 36 leakage holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a bottom sand discharging assembly of a lost foam casting sand box comprises a casting die 1, wherein the outer wall of the casting die 1 is rotatably connected with a sand scraping assembly 2, the sand scraping assembly 2 comprises a sliding block 26, the bottom end of the sliding block 26 is fixedly connected with an anti-collision assembly 4, the anti-collision assembly 4 comprises a connecting rod 41, an inner anti-collision mechanism 42, an outer anti-collision structure 43, a bolt 44 and a spiral brush head 45, the bottom end of the sliding block 26 is fixedly connected with one end of the connecting rod 41, the other end of the connecting rod 41 is fixedly connected with the inner anti-collision mechanism 42 in a coaxial line mode, the outer anti-collision mechanism 42 is in transitional rotation fit with the outer anti-collision structure 43, two sides of the outer anti-collision structure 43 are fixedly connected with the bolt 44 in a plugging mode, the spiral brush head 45 is fixedly connected to the central position of the side wall of the outer anti-collision structure 43, the spiral brush head 45 is in contact connection with the side wall of the casting die 1, the inner anti-collision mechanism 42 comprises an inner anti-collision shell 420, an inner sliding groove 421, a circular groove 422 and a spring 423, the other end of the connecting rod 41 is fixedly connected with one end of the inner anti-collision shell 420 in a coaxial line, the side wall of the inner anti-collision shell 420, the inner sliding groove 421 penetrates through a plurality of the inner sliding groove 421 in the circumferential direction, interior crashproof shell 420 outside terminal surface central point puts and runs through circular slot 422, circular slot 422 inner wall rigid coupling spring 423 one end, outer crashproof structure 43 of spring 423 other end rigid coupling, outer crashproof structure 43 includes left crashproof shell lamella 430, right crashproof shell lamella 431, swivelling chute 432 and rotatory roller 433, left crashproof shell lamella 430 and right crashproof shell lamella 431 inner wall one end adopt the hinge to articulate, crashproof shell 420 outside including other end opening part adopts bolt 44 grafting concentric fixed, spring 423 other end rigid coupling is in left crashproof shell lamella 430 and right crashproof shell lamella 431 inner wall central point, left crashproof shell lamella 430 and right crashproof shell lamella 431 inner wall circumference run through a plurality of swivelling chute 432, the inside sliding connection rotatory roller 433 of swivelling chute 432, rotatory roller 433 rotates to be connected inside interior spout 421.
The sand scraping component 2 comprises a machine tool rotating head 21, a sliding rail 22, a motor 23, a sliding groove 24, a lead screw 25 and a sliding block 26, the bottom end face of the machine tool rotating head 21 is fixedly connected with one side of the sliding rail 22 vertically, the sliding groove 24 is formed in the hollow part of the sliding rail 22, the lead screw 25 is connected with the sliding groove 24 in a rotating mode, one end of the lead screw 25 is driven to rotate by the motor 23, the lead screw 25 penetrates through the side wall of the sliding block 26, the sliding block 26 is connected with the lead screw 25 through threads, the sliding block 26 is connected to the sliding groove 24 in a sliding mode, and the sliding block 26 extends out of an end fixedly connected connecting rod 41.
The sliding groove 24 is of a dovetail groove structure, the sliding block 26 is of a dovetail block structure, and two side walls of the sliding groove 24 are fixedly connected with rubber anti-collision pieces.
Casting mould 1 is placed on collecting component 3, collecting component 3 includes workstation 31, recess 32, place piece 33, swash plate 35 and small opening 36, casting mould 1 is placed on placing piece 33, place piece 33 both sides rigid coupling in recess 32 inner wall bottom side, recess 32 runs through workstation 31 up end middle part, 31 bottom inner wall rigid coupling of workstation right top slope's swash plate 35, the vertical small opening 36 that runs through in swash plate 35 left side, the collecting box has been placed to small opening 36 below.
The placing block 33 is of a middle-shaped structure, the groove 32 is a cuboid groove with the side surface inclined inwards and downwards, and the inner wall of the groove is fixedly connected with a mirror surface material slice.
The working principle is as follows: when the anti-collision device is used, the rotating head 21 of the machine tool is started to rotate, the lead screw 25 is rotated by the starting motor 23, so that the slide block 25 is driven to reciprocate on the lead screw 25, the spiral brush head 45 is driven to spirally rotate around the center to diffuse and scrape on the side wall of the casting die 1, residual sand on the outer wall is scraped, when an internal casting piece is contacted, the outer anti-collision structure 43 is wrapped on the outer wall of the inner anti-collision mechanism 42 to rotate at any angle through the relative rotation between the inner anti-collision mechanism 42 and the outer anti-collision structure 43 in the anti-collision assembly 4, namely, the inner sliding groove 421 and the rotating roller 433 in the rotating groove 432 relatively move, when the casting piece is not contacted any more, the outer anti-collision structure 43 is rebounded to reset through the spring 423 to continuously scrape the sand, and the scraped residual sand slides downwards to the inclined plate 35 through the inclined plane of the groove 32 and then leaks into the collection box through the leakage hole 36.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bottom of disappearance mould casting sand box unloads sand subassembly, includes casting mould (1), its characterized in that: cast mould (1) outer wall rotates connects scraping subassembly (2), scraping subassembly (2) contain slider (26), slider (26) bottom rigid coupling anticollision subassembly (4), anticollision subassembly (4) include connecting rod (41), interior anticollision institution (42), outer crashproof structure (43), bolt (44) and spiral brush head (45), slider (26) bottom rigid coupling connecting rod (41) one end, anticollision institution (42) in connecting rod (41) other end coaxial line rigid coupling, outer crashproof structure (43) of interior anticollision institution (42) outer wall transition normal running fit, outer crashproof structure (43) both sides adopt bolt (44) to peg graft fixedly, outer crashproof structure (43) lateral wall central point puts rigid coupling spiral brush head (45), spiral brush head (45) contact connection is on cast mould (1) lateral wall, interior anticollision institution (42) include interior crashproof shell (420), Inner chute (421), circular groove (422) and spring (423), crashproof shell (420) one end in connecting rod (41) other end coaxial line rigid coupling, crashproof shell (420) lateral wall circumference runs through a plurality of inner chute (421) in, crashproof shell (420) outside terminal surface central point puts and runs through circular groove (422), circular groove (422) inner wall rigid coupling spring (423) one end, spring (423) other end rigid coupling outer crashproof structure (43), outer crashproof structure (43) include left crashproof shell lamella (430), right crashproof shell lamella (431), rotatory groove (432) and rotatory roller (433), left crashproof shell lamella (430) and right crashproof shell lamella (431) inner wall one end adopts the hinge to articulate, and the other end opening part adopts bolt (44) grafting concentric fixed including crashproof shell (420) outside, spring (423) other end rigid coupling shell lamella (430) inner wall central point puts at left crashproof shell lamella (430) and right crashproof shell lamella (431), the inner walls of the left anti-collision shell valve (430) and the right anti-collision shell valve (431) circumferentially penetrate through a plurality of rotating grooves (432), rotating rollers (433) are connected inside the rotating grooves (432) in a sliding mode, and the rotating rollers (433) are rotatably connected inside the inner sliding groove (421).
2. The bottom sand discharge assembly of a lost foam casting flask of claim 1, wherein: spiral brush head (45) are the flight of cylinder outer wall rigid coupling fire prevention sealing strip material, interior crashproof shell (420) are half spherical block, interior spout (421) and rotation groove (432) are half cylindrical groove structure, left side crashproof shell lamella (430) and right crashproof shell lamella (431) are the symmetry quarter cavity spherical mechanism of placing.
3. The bottom sand discharge assembly of a lost foam casting flask of claim 1, wherein: scraping subassembly (2) includes machine tool rotating head (21), slide rail (22), motor (23), spout (24), lead screw (25) and slider (26), the perpendicular rigid coupling slide rail (22) one side of machine tool rotating head (21) bottom end face, slide rail (22) cavity inside runs through spout (24), spout (24) inside is rotated and is connected lead screw (25), lead screw (25) one end adopts motor (23) drive rotation, lead screw (25) run through slider (26) lateral wall, just threaded connection between slider (26) and lead screw (25), slider (26) sliding connection is inside spout (24), slider (26) stretch out end rigid coupling connecting rod (41).
4. A lost foam casting flask bottom sand discharge assembly as defined in claim 3, wherein: the sliding groove (24) is of a dovetail groove structure, the sliding block (26) is of a dovetail block structure, and the two side walls of the sliding groove (24) are fixedly connected with anti-collision pieces made of rubber materials.
5. The bottom sand discharge assembly of a lost foam casting flask of claim 1, wherein: cast mould (1) and place on collecting subassembly (3), collect subassembly (3) including workstation (31), recess (32), place piece (33), swash plate (35) and small opening (36), cast mould (1) is placed on placing piece (33), place piece (33) both sides rigid coupling in recess (32) inner wall bottom side, workstation (31) up end middle part is run through in recess (32), workstation (31) bottom inner wall rigid coupling swash plate (35) to the upper right slope, vertical small opening (36) of running through in swash plate (35) left side, the collecting box has been placed to small opening (36) below.
6. A bottom discharge assembly for a lost foam casting flask according to claim 5, wherein: the placing block (33) is of a middle-shaped structure, the groove (32) is a cuboid groove with the side surface inclined inwards and downwards, and the inner wall of the groove is fixedly connected with a mirror surface material sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207044.3A CN112276051B (en) | 2020-11-03 | 2020-11-03 | Bottom sand unloading assembly of lost foam casting sand box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207044.3A CN112276051B (en) | 2020-11-03 | 2020-11-03 | Bottom sand unloading assembly of lost foam casting sand box |
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| CN112276051A CN112276051A (en) | 2021-01-29 |
| CN112276051B true CN112276051B (en) | 2022-04-05 |
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| CN111804903A (en) * | 2020-07-13 | 2020-10-23 | 梁红侠 | Casting forming process for safety valve |
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| JP2005297057A (en) * | 2004-04-10 | 2005-10-27 | Yoshitaka Aoyama | Apparatus for removing sand from cast product |
| JP2015202518A (en) * | 2014-04-16 | 2015-11-16 | マツダ株式会社 | Sand removal method and device for inside of cylindrical cast product |
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| CN112276051A (en) | 2021-01-29 |
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