阅读说明：本技术 一种覆膜砂型铸造砂箱 (Tectorial membrane sand casting sand box ) 是由 黄浩瑞 刘燕 于 2020-12-17 设计创作，主要内容包括：本发明提供了一种覆膜砂型铸造砂箱,包括箱体、传动机构、出砂口、挡板和清理机构,本发明中的出砂口能够让覆膜砂从箱体内清理出去,同时清理机构在传动机构的带动下能够对箱体四周内壁进行清理,同时节省了人力,省时省力,同时第二档板的设置能够防止清洁块对箱体的内壁进行清理过程中导致覆膜砂飞溅的问题,其中传动机构的设计能够让四组清洁块同步沿着箱体内壁水平往复运动,同时清洁块在第二往复丝杆的作用下上往复运动,二者相结合能够提高清理效率,另外本发明中的清理机构安装方便,在不同的时候能够自行拆除,不会影响本发明对浇筑熔融的金属液进行冷却这一过程。(The invention provides a precoated sand casting sand box, which comprises a box body, a transmission mechanism, a sand outlet, a baffle plate and a cleaning mechanism, wherein the sand outlet can clean precoated sand from the box body, meanwhile, the cleaning mechanism can clean the inner wall around the box body under the driving of the transmission mechanism, simultaneously saves labor and time, meanwhile, the second baffle plate can prevent the coated sand from splashing in the process of cleaning the inner wall of the box body by the cleaning block, wherein the design of the transmission mechanism can lead the four groups of cleaning blocks to synchronously horizontally reciprocate along the inner wall of the box body, meanwhile, the cleaning block reciprocates up and down under the action of the second reciprocating screw rod, and the cleaning efficiency can be improved by combining the cleaning block and the second reciprocating screw rod, in addition, the cleaning mechanism is convenient to install, the self-cooling type metal liquid pouring device can be automatically disassembled at different times, and the process of cooling the poured and melted metal liquid cannot be influenced.)

1. The utility model provides a tectorial membrane sand casting sand box, includes box (1), drive mechanism (2), sand outlet (3), first baffle (4) and cleaning device (5), its characterized in that: the sand-removing device is characterized in that a transmission mechanism (2) is fixedly arranged on the outer side of the peripheral surface of the box body (1), sand outlets (3) are formed in the peripheral side wall of the box body (1) and are positioned below the transmission mechanism (2), first baffle plates (4) are arranged on the lower surface of each group of sand outlets (3), and cleaning devices (5) are attached to the peripheral inner wall of an inner cavity of the box body (1);

wherein, the transmission mechanism (2) comprises a shell (21), a driving bevel gear (22), a first reciprocating screw rod (23), a driven bevel gear (24), a first ball nut (25), a mounting block (26), a mounting hole (27) and a first motor (28), the shell (21) is of a quadrilateral hollow structure, the driving bevel gears (22) are arranged at the four corners of the inner cavity of the shell (21), the centers of the upper and lower ends of the driving bevel gear (22) of each group are rotatably connected with the upper and lower ends of the inner cavity of the shell (21) through rotating shafts, the first reciprocating screw rods (23) are arranged between two adjacent groups of driving bevel gears (22), the first reciprocating screw rods (23) are four groups in total, and the tail ends of the left and right sides of each group of the first reciprocating screw rod (23) are fixedly connected with the bottom of the inner cavity of the shell (21) through seated bearings, two ends of each group of the first reciprocating screw rods (23) are respectively provided with a driven bevel gear (24), the driven bevel gear (24) and the driving bevel gear (22) are perpendicular to each other, the driven bevel gear (24) and the driving bevel gear (22) are mutually meshed, the surface of each group of the first reciprocating screw rod (23) is sleeved with a first ball nut (25) in a threaded manner, the mounting blocks (26) have four groups, the inner side walls of the four groups of mounting blocks (26) are respectively fixedly connected with the outer wall of each group of first ball nuts (25), the left end and the right end of the top of the mounting block (26) are both provided with mounting holes (27), the top surface of the shell (21) is fixedly provided with a first motor (28) through a bracket, a rotating shaft of the first motor (28) penetrates through the outer wall of the shell (21) and then is fixedly connected with the top center of any group of driving bevel gears (22);

the cleaning device (5) comprises a first fixing plate (51), fixing columns (52), blocking pieces (53), a second fixing plate (54), a guide mechanism (55), a lifting mechanism (56), a second baffle plate (57), a cleaning block (58) and a fixing mechanism (59), wherein a pair of fixing columns (52) are symmetrically and vertically arranged on the left side and the right side of the bottom of the first fixing plate (51), the second fixing plate (54) is arranged on one side surface, close to the center of the box body (1), of the first fixing plate (51) in parallel, a circle of blocking pieces (53) distributed in an annular mode are arranged between the first fixing plate (51) and the second fixing plate (54), the tail ends of the blocking pieces (53) are movably connected with the surface of the first fixing plate (51), the fixing mechanism (59) is arranged in an inner cavity of the blocking pieces (53), and the guide mechanism (55) is arranged on the top of one side surface, close to the center of the box body (1, a pair of second baffle plates (57) are symmetrically and vertically arranged on the outer walls of the left end and the right end of the front side of the second fixing plate (54), a lifting mechanism (56) is arranged on the surface of the front side of the second fixing plate (54), and a cleaning block (58) is arranged on the surface of the lifting mechanism (56);

the lifting mechanism (56) comprises first mounting grooves (561), second reciprocating screw rods (562), rollers (563), a conveyor belt (564), a second motor (565) and second ball nuts (566), the first mounting grooves (561) are divided into two groups, the two groups of first mounting grooves (561) are respectively symmetrically and vertically arranged on the left side and the right side of one side surface of the second fixing plate (54) close to the center of the box body (1), the second reciprocating screw rods (562) are arranged in each group of first mounting grooves (561), the second ball nuts (566) are respectively installed on the surfaces of the two groups of second reciprocating screw rods (562) in a threaded mode, the front sides of the two groups of second ball nuts (566) are fixedly connected with the rear side surface of the cleaning block (58), the centers of the bottoms of the two groups of second reciprocating screw rods (562) are respectively and rotatably connected with the rollers (563), and the outer side walls of the two groups of rollers (563) are in transmission connection through the conveyor belt (564), the bottom surface of the second fixing plate (54) is fixedly provided with a second motor (565) through a bracket, and the rotating shaft of the second motor (565) is rotatably connected with the bottom center of any group of rollers (563);

the fixing mechanism (59) comprises a threaded rod (591), a fixing nut (592), a round hole (593) and a telescopic spring (594), a round hole (593) penetrates through the center of the surface of the first fixing plate (51), a threaded rod (591) is arranged in the round hole (593), one end of the threaded rod (591) is fixedly connected with the surface center of the second fixing plate (54), the other end of the threaded rod (591) is positioned in the inner cavity of the box body (1), the first fixing plate (51) is provided with a fixing nut (592) opposite to the surface center where the center of the inner cavity of the box body (1) is positioned, the fixed nut (592) is in threaded connection with the threaded rod (591), a telescopic spring (594) is sleeved on the surface of the threaded rod (591) in the inner cavity of the baffle plate (53), two sides of the extension spring (594) are fixedly installed at the center of the surface of the first fixing plate (51) and the center of the surface of the second fixing plate (54), respectively.

2. The mold-covered sand casting sand box according to claim 1, characterized in that: first baffle (4) include first baffle body (41) and spout (42), the outside bottom of first baffle body (41) through the hinge with the bottom outside of sand outlet (3) is articulated, a side surface center that first baffle body (41) are located box (1) inner chamber is opened chisel and is had spout (42), spout (42) surface is the slope setting.

3. The mold-covered sand casting sand box according to claim 1, characterized in that: the second baffle plate (57) comprises a second baffle plate body (571), second installation grooves (572) and rollers (573), wherein the center of the front side surface of each group of the second baffle plate body (571) is vertically provided with the second installation groove (572), the inner cavity of each group of the second installation grooves (572) is provided with the rollers (573), the outermost surface of each roller (573) and the front side surface of the cleaning block (58) are positioned on the same horizontal plane, and the top centers of the two groups of rollers (573) are rotatably connected with the top side wall of the second installation groove (572).

4. The mold-covered sand casting sand box according to claim 1, characterized in that: the top of the box body (1) is provided with a top cover.

5. The mold-covered sand casting sand box according to claim 1, characterized in that: the mounting blocks (26) are made of high-temperature-resistant materials, and the four groups of mounting blocks (26) are located on the same horizontal plane.

6. The mold-covered sand casting sand box according to claim 1, characterized in that: the guide mechanism (55) comprises a shell, an air outlet and a fan, the shell is of a hollow structure, the air outlet is formed in the bottom surface of the shell, the air outlet is perpendicular to the front surface of the second fixing plate (54), and the fan is installed in the inner cavity of the shell.

Technical Field

The invention relates to the technical field of casting sand boxes, in particular to a film-coated sand casting sand box.

Background

Sand casting refers to a casting process that produces a casting in a sand mold. The method comprises the steps of using a casting sand box in the sand casting process, using precoated sand in the using process of the casting sand box, placing a casting pattern in the casting sand box after placing the casting pattern, pouring precoated sand into the casting sand box, placing a pouring opening at the upper end of the pattern after pouring the precoated sand, vacuumizing the casting sand box when producing vacuum-cast components, pouring molten metal into a pouring gate, cooling, and removing the casting sand box to obtain a blank casting.

Demolish casting sand box in-process and need clear up the tectorial membrane sand of inside, among the prior art to the casting sand box in tectorial membrane sand generally can adopt the manual work to clear up it, personnel invert the sand box slope usually at the clearance in-process, and clear up through the brush, however, because the sand box has certain weight, can feel tired when the personnel hold the inversion sand box of tilt state for a long time, waste time and energy, lead to its cleaning efficiency to hang down, be difficult to see the inside of sand box when clearing up in addition, lead to its clearance not thorough.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme that the film-coated sand casting sand box comprises a box body, a transmission mechanism, a sand outlet, a first baffle plate and a cleaning device, and is characterized in that: the outer side of the peripheral surface of the box body is fixedly provided with a transmission mechanism, the peripheral side wall of the box body is positioned below the transmission mechanism, sand outlets are arranged below the transmission mechanism, the lower surface of each group of sand outlets is provided with a first baffle, and the peripheral inner walls of the inner cavity of the box body are attached with cleaning devices;

wherein, the transmission mechanism comprises a shell, a driving bevel gear, a first reciprocating screw rod, driven bevel gears, a first ball nut, a mounting block, a mounting hole and a first motor, the shell is of a quadrilateral hollow structure, the four corners of the inner cavity of the shell are provided with the driving bevel gears, the centers of the upper and lower ends of the driving bevel gear of each group are rotatably connected with the upper and lower ends of the inner cavity of the shell through rotating shafts, the first reciprocating screw rod is arranged between two adjacent groups of driving bevel gears, the first reciprocating screw rods are four groups, the tail ends of the left and right sides of the first reciprocating screw rod of each group are fixedly connected with the bottom of the inner cavity of the shell through a bearing with a seat, the two ends of the first reciprocating screw rod of each group are provided with the driven bevel gears, the driven bevel gears are mutually vertical to the driving bevel gears, and the driven bevel gears are mutually meshed with the, the surface of each group of the first reciprocating screw rod is sleeved with a first ball nut in a threaded manner, the number of the mounting blocks is four, the inner side walls of the four groups of the mounting blocks are fixedly connected with the outer wall of each group of the first ball nuts respectively, mounting holes are formed in the left end and the right end of the top of each mounting block, a first motor is fixedly mounted on the surface of the top of the shell through a support, and a rotating shaft of the first motor penetrates through the outer wall of the shell and is fixedly connected with the center of the top of any group of the driving bevel gears;

the cleaning device comprises a first fixing plate, a fixing column, a baffle, a second fixing plate, a guide mechanism, a lifting mechanism, a second baffle, a cleaning block and a fixing mechanism, a pair of fixing columns are symmetrically and vertically arranged on the left side and the right side of the bottom of the first fixing plate, a second fixing plate is arranged on the surface of one side of the first fixing plate close to the center of the box body in parallel, a ring of blocking pieces distributed annularly are arranged between the first fixing plate and the second fixing plate, the tail end of the baffle plate is movably connected with the surface of the first fixing plate, a fixing mechanism is arranged in the inner cavity of the baffle plate, the top of one side surface of the second fixed plate close to the center of the box body is provided with a guide mechanism, the outer walls of the left and right ends of the front side of the second fixed plate are symmetrically and vertically provided with a pair of second baffles, the front side surface of the second fixing plate is provided with a lifting mechanism, and the surface of the lifting mechanism is provided with a cleaning block;

the lifting mechanism comprises a first mounting groove, a second reciprocating screw rod, a roller, a conveyor belt, a second motor and a second ball nut, the two groups of first mounting grooves are respectively symmetrically and vertically arranged at the left side and the right side of one side surface of the second fixing plate close to the center of the box body, a second reciprocating screw rod is arranged in each group of first mounting grooves, second ball nuts are respectively and spirally arranged on the surfaces of the two groups of second reciprocating screw rods, the front sides of the two groups of second ball nuts are respectively and fixedly connected with the rear side surface of the cleaning block, the centers of the bottoms of the two groups of second reciprocating screw rods are respectively and rotatably connected with rollers, and the outer side walls of the two groups of rollers are in transmission connection through a conveyor belt, a second motor is fixedly arranged on the bottom surface of the second fixing plate through a support, and a rotating shaft of the second motor is rotatably connected with the bottom center of any one group of rollers;

the fixing mechanism comprises a threaded rod, a fixing nut, a round hole and an expansion spring, the round hole is formed in the center of the surface of the first fixing plate in a penetrating mode, the threaded rod is arranged in the round hole, one end of the threaded rod is fixedly connected with the center of the surface of the second fixing plate, the other end of the threaded rod is located in the inner cavity of the box body, the fixing nut is arranged on the center of the surface, facing the center of the inner cavity of the box body, of the first fixing plate, the fixing nut is in threaded connection with the threaded rod, the expansion spring is sleeved on the surface of the threaded rod of the inner cavity of the separation blade, and the two sides of the expansion spring are fixedly installed on the center of the surface.

Preferably, first baffle includes first baffle body and spout, the outside bottom of first baffle body pass through the hinge with the bottom outside of sand outlet is articulated, the spout has been dug at a side surface center that first baffle body is located box inner chamber, the spout surface is the slope setting.

Preferably, the second baffle plate comprises a second baffle plate body, a second mounting groove and rollers, the second mounting groove is vertically formed in the center of the front side surface of each group of second baffle plate bodies, the rollers are arranged in the inner cavity of each group of second mounting grooves, the outermost side surfaces of the rollers and the front side surface of the cleaning block are located on the same horizontal plane, and the centers of the tops of the two groups of rollers are rotatably connected with the side wall of the top of the second mounting groove.

Preferably, a top cover is arranged at the top of the box body.

Preferably, the mounting blocks are made of high-temperature-resistant materials, and the four groups of mounting blocks are located on the same horizontal plane.

Preferably, the guiding mechanism comprises a shell, an air outlet and a fan, the shell is of a hollow structure, the air outlet is formed in the bottom surface of the shell, the air outlet is perpendicular to the front surface of the second fixing plate, and the fan is installed in the inner cavity of the shell.

Has the advantages that:

the sand outlet can clean precoated sand out of the box body, the cleaning device can clean the peripheral inner wall of the box body under the driving of the transmission mechanism, labor and time are saved, meanwhile, the second baffle plate can prevent the problem that the precoated sand splashes in the process of cleaning the inner wall of the box body by the cleaning blocks, the transmission mechanism can enable four groups of cleaning blocks to synchronously horizontally reciprocate along the inner wall of the box body, and meanwhile, the cleaning blocks reciprocate upwards under the action of the second reciprocating screw rod, and the cleaning efficiency can be improved by combining the cleaning blocks and the second reciprocating screw rod.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the inside of the transmission mechanism according to the present invention;

FIG. 3 is a schematic view of a first perspective of the cleaning apparatus of the present invention;

FIG. 4 is a second perspective view of the cleaning apparatus of the present invention;

FIG. 5 is a schematic top sectional view of the cleaning apparatus of the present invention;

fig. 6 is a schematic perspective view of a first shutter mechanism according to the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 6, a precoated sand casting sand box comprises a box body 1, a transmission mechanism 2, a sand outlet 3, a first baffle 4 and a cleaning device 5, wherein a top cover is arranged at the top of the box body 1, the transmission mechanism 2 is fixedly arranged on the outer side of the peripheral surface of the box body 1, the sand outlet 3 is arranged below the transmission mechanism 2 on the peripheral side wall of the box body 1, the first baffle 4 is arranged on the lower surface of each group of sand outlets 3, and the cleaning device 5 is attached to the peripheral inner wall of an inner cavity of the box body 1;

wherein, the transmission mechanism 2 comprises a shell 21, a driving bevel gear 22, a first reciprocating screw rod 23, a driven bevel gear 24, a first ball nut 25, a mounting block 26, a mounting hole 27 and a first motor 28, the shell 21 is of a quadrilateral hollow structure, the driving bevel gears 22 are arranged at four corners of an inner cavity of the shell 21, the centers of the upper and lower ends of the driving bevel gear 22 of each group are rotatably connected with the upper and lower ends of the inner cavity of the shell 21 through a rotating shaft, a first reciprocating screw rod 23 is arranged between two adjacent groups of driving bevel gears 22, the first reciprocating screw rods 23 have four groups, the tail ends of the left and right sides of each group of the first reciprocating screw rod 23 are fixedly connected with the bottom of the inner cavity of the shell 21 through a bearing with a seat, the driven bevel gears 24 are arranged at two ends of each group of the first reciprocating screw rod 23, the driven bevel gears 24 are perpendicular to the driving bevel gears 22, the driven bevel gears 24 are meshed with the driving bevel gears 22, a first ball nut 25 is sleeved on the surface of each group of the first reciprocating screw 23 in a threaded manner, the number of the mounting blocks 26 is four, the inner side walls of the four groups of the mounting blocks 26 are fixedly connected with the outer wall of each group of the first ball nut 25, mounting holes 27 are formed in the left end and the right end of the top of each mounting block 26, a first motor 28 is fixedly mounted on the top surface of the shell 21 through a support, a rotating shaft of the first motor 28 penetrates through the outer wall of the shell 21 and then is fixedly connected with the center of the top of any group of the driving bevel gears 22, the mounting blocks 26 are made of high-temperature-resistant materials, and the four groups of the mounting blocks 26 are located on the same horizontal plane;

the first baffle 4 comprises a first baffle body 41 and a chute 42, the bottom of the outer side of the first baffle body 41 is hinged with the outer side of the bottom of the sand outlet 3 through a hinge, the chute 42 is arranged in the center of the surface of one side of the first baffle body 41 positioned in the inner cavity of the box body 1 in a chiseled mode, and the surface of the chute 42 is arranged in an inclined mode;

the cleaning device 5 comprises a first fixing plate 51, fixing columns 52, blocking pieces 53, a second fixing plate 54, a guide mechanism 55, a lifting mechanism 56, a second blocking plate 57, a cleaning block 58 and a fixing mechanism 59, wherein a pair of fixing columns 52 are symmetrically and vertically arranged on the left side and the right side of the bottom of the first fixing plate 51, the second fixing plate 54 is arranged on one side surface, close to the center of the box body 1, of the first fixing plate 51 in parallel, a circle of blocking pieces 53 distributed in an annular shape are arranged between the first fixing plate 51 and the second fixing plate 54, the tail ends of the blocking pieces 53 are movably connected with the surface of the first fixing plate 51, the fixing mechanism 59 is arranged in an inner cavity of the blocking pieces 53, the guide mechanism 55 is arranged on the top of one side surface, close to the center of the box body 1, of the second fixing plate 54, the guide mechanism 55 comprises a shell, an air outlet and a fan, the shell, the air outlet is perpendicular to the front surface of the second fixing plate 54, a fan is mounted in the inner cavity of the housing, a pair of second baffles 57 are symmetrically and vertically arranged on the outer walls of the left end and the right end of the front side of the second fixing plate 54, a lifting mechanism 56 is arranged on the front side surface of the second fixing plate 54, and a cleaning block 58 is mounted on the surface of the lifting mechanism 56;

the lifting mechanism 56 comprises a first mounting groove 561, two reciprocating screw rods 562, rollers 563, a conveyor belt 564, a second motor 565 and second ball nuts 566, the first mounting groove 561 is divided into two groups, the two groups of first mounting grooves 561 are respectively symmetrically and vertically arranged at the left side and the right side of the surface of one side of the second fixing plate 54 close to the center of the box body 1, the second reciprocating screw rods 562 are arranged in each group of first mounting grooves 561, the second ball nuts 566 are respectively installed on the surfaces of the two groups of second reciprocating screw rods 562 through threads, the front sides of the two groups of second ball nuts 566 are respectively fixedly connected with the rear side surface of the cleaning block 58, the rollers 563 are respectively and rotatably connected at the centers of the bottoms of the two groups of second reciprocating screw rods 562, the outer side walls of the two groups of rollers 563 are in transmission connection through the conveyor belt 564, the second motor 565 is fixedly installed on the bottom surface of the second fixing plate 54 through a, the rotating shaft of the second motor 565 is rotatably connected with the bottom center of any group of the rollers 563;

the second baffle plate 57 comprises a second baffle plate body 571, second installation grooves 572 and rollers 573, wherein the center of the front side surface of each set of the second baffle plate body 571 is vertically perforated with the second installation groove 572, the inner cavity of each set of the second installation grooves 572 is provided with the rollers 573, the outermost surfaces of the rollers 573 and the front side surface of the cleaning block 58 are positioned on the same horizontal plane, and the centers of the tops of the two sets of the rollers 573 are rotatably connected with the top side wall of the second installation groove 572;

the fixing mechanism 59 comprises a threaded rod 591, a fixing nut 592, a round hole 593 and a telescopic spring 594, the round hole 593 is arranged in the center of the surface of the first fixing plate 51 in a penetrating manner, the threaded rod 591 is arranged in the round hole 593, one end of the threaded rod 591 is fixedly connected with the center of the surface of the second fixing plate 54, the other end of the threaded rod 591 is located in the inner cavity of the box body 1, the first fixing plate 51 is provided with the fixing nut 592 opposite to the center of the surface of the inner cavity of the box body 1, the fixing nut 592 is in threaded connection with the threaded rod 591, the telescopic spring 594 is sleeved on the surface of the threaded rod 591 in the inner cavity of the blocking plate 53, and two sides of the telescopic spring 594 are fixedly installed in the center of the surface of the first fixing plate 51.

In the using process of the invention, the first baffle 4 is rotated to enable the surfaces of the first baffle 4 and the sand outlet 3 to mutually incline, at the moment, the precoated sand in the box body 1 is discharged from the sand outlet 3 along the chute 42 under the action of gravity, meanwhile, four groups of first fixing plates 51 are sequentially arranged in the mounting holes 27 through the fixing columns 52, at the moment, the cleaning blocks 58 are lapped on the inner wall surface of the box body 1 under the action of the extension springs 594, the first motor 28 is started, the first motor 28 drives the driving bevel gear 22 to rotate, the driving bevel gear 22 drives the driven bevel gear 24 to rotate, thereby realizing the synchronous rotation of the four groups of the first reciprocating screw rods 23, at the moment, the ball nuts 25 reciprocate along the surfaces thereof under the action of the reciprocating screw rods 23, and the second motor 565 is started at the same time, at this time, the second reciprocating screw 562 drives the cleaning block 58 to reciprocate downwards along the surface of the cleaning block, and the cleaning block 58 can fully clean the inner wall of the box body 1 under the action of the first reciprocating screw and the cleaning block.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.