阅读说明：本技术 一种大型铸造件腔体清砂机 (Large casting cavity sand cleaning machine ) 是由 梁红侠 张云贵 于 2019-11-01 设计创作，主要内容包括：本发明涉及一种大型铸造件腔体清砂机,包括支撑架、伸缩架、防护罩、气缸、给进筒、高压喷射装置、震动装置和磨砂装置,所述的支撑架的中部安装有伸缩架,伸缩架的上端安装有防护罩,防护罩的内部安装有气缸,气缸的顶出端与给进筒连接,给进筒的左端安装有震动装置,给进筒的中部安装有磨砂装置,给进筒的右端安装有高压喷射装置。本发明可以解决通过机械震碎的方式对腔体内部清砂时,震碎头与黏砂之间的撞击接触面较大,导致震碎头难以前移并撞碎黏砂,当黏砂震碎受阻时,巨大的冲击力可能带动大型铸造件的位置发生偏离倾斜的情况,且机械震碎的方式难以将墙体内壁上附着的残余黏砂进行去除等问题。(The invention relates to a large casting cavity sand cleaning machine which comprises a support frame, an expansion bracket, a protective cover, an air cylinder, a feeding cylinder, a high-pressure injection device, a vibration device and a grinding device, wherein the expansion bracket is arranged in the middle of the support frame, the protective cover is arranged at the upper end of the expansion bracket, the air cylinder is arranged in the protective cover, the ejection end of the air cylinder is connected with the feeding cylinder, the vibration device is arranged at the left end of the feeding cylinder, the grinding device is arranged in the middle of the feeding cylinder, and the high-pressure injection device is arranged at the right end of the feeding cylinder. The sand cleaning device can solve the problems that when sand is cleaned in the cavity in a mechanical shattering mode, the impact contact surface between the shattering head and the sticky sand is large, so that the shattering head is difficult to move forwards and smash the sticky sand, when the shattering of the sticky sand is blocked, the position of a large casting part is possibly driven to deviate from the inclination by a large impact force, the residual sticky sand attached to the inner wall of the wall body is difficult to remove in the mechanical shattering mode, and the like.)

1. The utility model provides a large-scale casting cavity sand cleaning machine, includes support frame (1), expansion bracket (2), protection casing (3), cylinder (4), feed cylinder (5), high-pressure injection device (6), vibrator (7) and dull polish device (8), its characterized in that: the middle of the support frame (1) is provided with an expansion bracket (2), the upper end of the expansion bracket (2) is provided with a protective cover (3), an air cylinder (4) is arranged inside the protective cover (3), the ejection end of the air cylinder (4) is connected with the feeding cylinder (5), the left end of the feeding cylinder (5) is provided with a vibration device (7), the middle of the feeding cylinder (5) is provided with a grinding device (8), and the right end of the feeding cylinder (5) is provided with a high-pressure injection device (6);

a conveying cavity is formed in the right end inside the feeding barrel (5), concave semicircular grooves are formed in the upper end and the lower end of the conveying cavity, a sealing groove is formed in the middle of the feeding barrel (5), a working groove is formed in the middle of the left end of the feeding barrel (5), and two sliding grooves are formed in the upper end and the lower end of the left end of the feeding barrel (5);

the high-pressure injection device (6) comprises two swinging nozzles (61), a return spring (66), a connecting pipe (63), a water pump (64) and a water storage frame (65), the swinging nozzles (61) are positioned in the concave semicircular groove, the return spring (66) is connected between the left end and the right end of the swinging nozzles (61) and the concave semicircular groove, the right end of the conveying cavity is connected with the left end of the connecting pipe (63) through a hoop, the connecting pipe (63) is connected with the water storage frame (65) through the water pump (64), the water pump (64) is installed on the support frame (1), and the water storage frame (65) is installed at the right end of the support frame (1);

the vibration device (7) comprises a rotating motor (71), a cam (72), a vibration head (73), a connecting rod (74), a crushing frame (75), a shielding arc-shaped plate (76) and a connecting spring (77), wherein the rotating motor (71) is installed at the right end of the working groove, the cam (72) is installed on an output shaft of the rotating motor (71), the cam (72) is tightly attached to the right end of the vibration head (73), the vibration head (73) is connected with the working groove in a sliding fit manner, the vibration head (73) is connected with the crushing frame (75) through the connecting rod (74), the shielding arc-shaped plates (76) are symmetrically installed at the left end and the right end of the connecting rod (74), the connecting rod (74) is connected with the sliding groove in a sliding fit manner, and the connecting spring (77) is connected between the right end of the connecting rod (;

dull polish device (8) include rotating electrical machines (81), gear (82), rack (83), dull polish ring (84), vibrations piece (85) and protruding piece (86), rotating electrical machines (81) are installed in the seal groove, install gear (82) on the output shaft of rotating electrical machines (81), the meshing has rack (83) on gear (82), the inside at dull polish ring (84) is installed in rack (83), the round hole has evenly been seted up along its circumference on dull polish ring (84), be equipped with vibrations piece (85) in the round hole, the right-hand member of vibrations piece (85) supports on protruding piece (86), protruding piece (86) are evenly installed on the middle part lateral wall of feeding section of thick bamboo (5).

2. The large casting cavity sand cleaner of claim 1, wherein: the swing spray head (61) is of a spherical structure, a forked spray cavity is formed in the swing spray head (61), an extension pipe is connected between the swing spray head (61) and the conveying cavity, and an extension cover is arranged outside the return spring (66).

3. The large casting cavity sand cleaner of claim 1, wherein: the left end of vibrations head (73) be the drift of round platform structure, the right-hand member of vibrations head (73) is equipped with the limiting plate, and even has work spring between limiting plate and the work groove.

4. The large casting cavity sand cleaner of claim 1, wherein: the crushing frame (75) is of a cylindrical structure, conical blocks are arranged in the crushing frame (75), and the conical blocks are arranged in a staggered mode.

5. The large casting cavity sand cleaner of claim 1, wherein: the right end of the sanding ring (84) is provided with an annular sliding block, the annular sliding block is connected with the middle part of the feeding barrel (5) in a sliding fit mode, and the left end of the sanding ring (84) is provided with a sanding layer.

6. The large casting cavity sand cleaner of claim 1, wherein: the upper end and the lower end of the vibration block (85) are provided with connecting grooves, a built-in spring is arranged between the connecting grooves and the round hole, the right end of the vibration block (85) is provided with an inner groove, a ball is placed in the inner groove and clings to the protrusion block (86), and the protrusion block (86) is of a semicircular structure.

7. The large casting cavity sand cleaner of claim 1, wherein: the left end of the protective cover (3) is connected with the right end of the support frame (1) in a sliding fit mode.

Technical Field

The invention relates to the technical field of casting, in particular to a large casting cavity sand cleaning machine.

Background

Casting, which means that liquid metal is poured into a mold cavity with a shape and a size suitable for a part, and is cooled and solidified to obtain a blank or a part called casting, the casting needs to be taken out of the mold after being formed, and the rest parts except the body are removed, wherein the sand removal of the casting is an important step, and people usually clean the cavity of the large casting by mechanical shattering, but the sand removal method may have some problems in the implementation process:

when shaking garrulous mode sand removal through machinery, shake garrulous head and the striking contact surface between the glutinous sand is great, lead to shaking garrulous head and be difficult to the antedisplacement and hit garrulous glutinous sand, shake when garrulous being obstructed when glutinous sand, the position that huge impact force probably drove large-scale casting part takes place the condition of skew slope to influenced the process of sand removal, and the garrulous mode of machinery shake is difficult to get rid of the adnexed remaining glutinous sand on the wall body inner wall, and the residue clearance is not high.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a sand cleaning machine for large casting part cavity, includes support frame, expansion bracket, protection casing, cylinder, feeding barrel, high-pressure injection device, vibrator and dull polish device, the mid-mounting of support frame have the expansion bracket, the protection casing is installed to the upper end of expansion bracket, the internally mounted of protection casing has the cylinder, the ejecting end and the feeding barrel of cylinder are connected, vibrator is installed to the left end of feeding barrel, the mid-mounting of feeding barrel has dull polish device, high-pressure injection device is installed to the right-hand member of feeding barrel.

The feeding barrel is characterized in that a conveying cavity is formed in the right end of the interior of the feeding barrel, concave semicircular grooves are formed in the upper end and the lower end of the conveying cavity, a sealing groove is formed in the middle of the feeding barrel, a working groove is formed in the middle of the left end of the feeding barrel, and two sliding grooves are formed in the upper end and the lower end of the left end of the feeding barrel.

High-pressure injection apparatus include two shower nozzles that sway, reset spring, the connecting pipe, water pump and retaining frame, it is located the indent half slot to sway the shower nozzle, it has reset spring even to sway between both ends and the indent half slot about the shower nozzle, the right-hand member in transport chamber passes through the clamp and is connected with the left end of connecting pipe, be connected through the water pump between connecting pipe and the retaining frame, the water pump is installed on the support frame, the right-hand member at the support frame is installed to the retaining frame, concrete during operation, carry the clear water high pressure in the retaining frame to sway shower nozzle department through the water pump, thereby wash the remaining sand that glues on the cavity inner wall, high-pressure injection apparatus's setting makes high pressure bath from cavity inside work, the washing rate and the dynamics of washing have been.

The vibrating device comprises a rotating motor, a cam, a vibrating head, a connecting rod, a crushing frame, a shielding arc plate and a connecting spring, wherein the rotating motor is arranged at the right end of a working groove, the cam is arranged on an output shaft of the rotating motor and is tightly attached to the right end of the vibrating head, the vibrating head is connected with the working groove in a sliding fit mode and is connected with the crushing frame through the connecting rod, the shielding arc plate is symmetrically arranged at the left end and the right end of the connecting rod, the arrangement of the shielding arc plate reduces the sand-adhered particles from entering the sliding groove, so that the work of the connecting rod is hindered, the connecting rod is connected with the sliding groove in a sliding fit mode, the connecting spring is connected between the right end of the connecting rod and the middle part of the sliding groove, the connecting spring plays a resetting effect, when the vibrating device works, the cam is driven by rotating the motor, so that the vibrating head is driven to vibrate, the vibrations head of vibrations carries out the primary vibrations to the glutinous sand in the cavity and hits the bits of broken glass, and the vibrations head of vibrations state drives broken frame and moves to the left side in step for broken frame further enlarges the garrulous region of vibrations in original position of shaking, and will shake the glutinous sand after garrulous and promote the discharge left, and vibrator is smashed through vibrations and the preliminary vibrations of expanding the mode in vibrations region to the glutinous sand in the cavity.

The grinding device comprises a rotating motor, a gear, a rack, a grinding ring, a vibration block and a convex block, wherein the rotating motor is arranged in a sealing groove, the gear is arranged on an output shaft of the rotating motor, the rack is meshed with the gear, the rack is arranged inside the grinding ring, round holes are uniformly formed in the grinding ring along the circumferential direction of the grinding ring, the vibration block is arranged in the round hole, the right end of the vibration block is abutted against the convex block, the convex block is uniformly arranged on the side wall of the middle part of the feeding cylinder, the diameter of the grinding ring is larger than that of the crushing frame, and when the grinding device works specifically, the rotating motor drives the gear to rotate so as to drive the grinding ring to rotate at a high speed, because the diameter of the sanding ring is larger than that of the crushing frame, the sanding ring rotating at high speed further expands the crushing area, and dull polish ring rotates the in-process, thereby vibrations piece receives the extrusion of protruding piece to carry out horizontal reciprocating vibration, and then shakes garrulous sticky sand to not shake garrulous and assist and shake.

The swinging spray head is of a spherical structure, the forked spray cavity is formed in the swinging spray head, so that the sprayed water flow is two water flows, a telescopic pipe is connected between the swinging spray head and the conveying cavity, and a telescopic cover is arranged outside the return spring.

The left end of the vibration head is a punch of a circular truncated cone structure, the right end of the vibration head is provided with a limiting plate, and a working spring is connected between the limiting plate and the working groove.

The crushing frame is of a cylindrical structure, conical blocks are arranged in the crushing frame, and the conical blocks are arranged in a staggered mode.

The right end of the sanding ring is provided with an annular sliding block, the annular sliding block is connected with the middle of the feeding barrel in a sliding fit mode, and the left end of the sanding ring is provided with a sanding layer.

The upper end and the lower end of the vibration block are provided with connecting grooves, a built-in spring is arranged between the connecting grooves and the round hole, the right end of the vibration block is provided with an inner groove, balls are placed in the inner groove and are tightly attached to the protruding block, and the protruding block is of a semicircular structure.

The left end of the protective cover is connected with the right end of the supporting frame in a sliding fit mode.

(II) advantageous effects

1. According to the large casting cavity sand remover, the sticky sand is shattered by adopting the design concept that the shattering area is gradually enlarged in the early stage, and the residue on the inner wall of the cavity is removed in the later stage in a high-pressure washing mode, so that the residue removal rate is improved, and the condition that the single shattering surface and the sticky sand are difficult to smoothly impact and move forwards is avoided in a multi-point shattering mode;

2. according to the large casting cavity sand cleaning machine, the vibrating device 7 vibrates in multiple points, but the vibrating contact surface is small, so that the adhered sand is crushed, and the condition that the adhered sand cannot be crushed after being impacted is reduced;

3. according to the large casting cavity sand cleaning machine, the grinding device 8 further enlarges and grinds the early shattered region, so that the shattered removal rate of the sticky sand is improved;

4. according to the large casting cavity sand removing machine, the high-pressure injection device 6 is used for removing sand on the inner wall of the cavity in a high-pressure water injection mode, the sticky sand on the inner wall of the cavity is washed down by huge impact force, the swinging spray head 61 swinging left and right improves a water injection area, the same position is ensured to be washed for multiple times, and the residue removal rate is improved.

Drawings

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

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of the oscillating spray head, return spring, vibrating device and sanding device of the present invention;

FIG. 3 is a schematic perspective view of the crushing frame of the present invention;

FIG. 4 is a schematic perspective view of the rack and the sanding ring of the present invention;

fig. 5 is an enlarged view of the invention in fig. 2, taken along the X-axis.

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 5, a large casting cavity sand cleaning machine comprises a support frame 1, an expansion bracket 2, a protective cover 3, a cylinder 4, a feeding barrel 5, a high-pressure injection device 6, a vibration device 7 and a grinding device 8, wherein the expansion bracket 2 is installed in the middle of the support frame 1, the protective cover 3 is installed at the upper end of the expansion bracket 2, the cylinder 4 is installed inside the protective cover 3, the ejection end of the cylinder 4 is connected with the feeding barrel 5, the vibration device 7 is installed at the left end of the feeding barrel 5, the grinding device 8 is installed in the middle of the feeding barrel 5, and the high-pressure injection device 6 is installed at the right end of the feeding barrel 5.

The feeding barrel is characterized in that a conveying cavity is formed in the right end of the interior of the feeding barrel 5, concave semicircular grooves are formed in the upper end and the lower end of the conveying cavity, a sealing groove is formed in the middle of the feeding barrel 5, a working groove is formed in the middle of the left end of the feeding barrel 5, and two sliding grooves are formed in the upper end and the lower end of the left end of the feeding barrel 5.

High-pressure injection apparatus 6 include two shower nozzles 61 that sway, reset spring 66, connecting pipe 63, water pump 64 and retaining frame 65, it is located the indent half-slot to sway shower nozzle 61, it has reset spring 66 to sway between both ends and the indent half-slot about shower nozzle 61, the right-hand member of carrying the chamber passes through the clamp and is connected with the left end of connecting pipe 63, be connected through water pump 64 between connecting pipe 63 and the retaining frame 65, water pump 64 installs on support frame 1, the right-hand member at support frame 1 is installed to retaining frame 65, during specific work, carry to swaing shower nozzle 61 department through the clear water high pressure of water pump 64 in with retaining frame 65, thereby wash the remaining glutinous sand on the cavity inner wall, high-pressure injection apparatus 6's setting makes high pressure bath from cavity inside operation, the flush rate and the dynamics of washing have been improved, the glutinous sand residual volume has.

The vibrating device 7 comprises a rotating motor 71, a cam 72, a vibrating head 73, a connecting rod 74, a crushing frame 75, a shielding arc-shaped plate 76 and a connecting spring 77, wherein the rotating motor 71 is installed at the right end of the working groove, the cam 72 is installed on an output shaft of the rotating motor 71, the cam 72 is tightly attached to the right end of the vibrating head 73, the vibrating head 73 is connected with the working groove in a sliding fit mode, the vibrating head 73 is connected with the crushing frame 75 through the connecting rod 74, the shielding arc-shaped plates 76 are symmetrically installed at the left end and the right end of the connecting rod 74, the arrangement of the shielding arc-shaped plates 76 reduces the entry of sticky sand particles into the sliding groove, so that the work of the connecting rod 74 is blocked, the connecting rod 74 is connected with the sliding groove in a sliding fit mode, the connecting spring 77 is connected between the right end of the connecting rod 74 and the middle of the sliding groove, the connecting, thereby drive vibrations about vibrations head 73, it is internal to drive the whole low-speed entering casting component cavity of feed cylinder 5 through cylinder 4, the vibrations head 73 of vibrations is to the glutinous sand in the cavity vibrations for the first time and is collided garrulously, the vibrations head 73 of vibrations state drives broken frame 75 and moves to the left in step for broken frame 75 further enlarges the garrulous region of vibrations in original garrulous position of vibrations, and will shake the glutinous sand after garrulous and promote the discharge left, vibrator 7 shakes garrulously through vibrations and enlarge the mode in vibrations region to the glutinous sand in the cavity.

The sanding device 8 comprises a rotating motor 81, a gear 82, a rack 83, a sanding ring 84, a vibration block 85 and a protrusion block 86, wherein the rotating motor 81 is installed in a sealing groove, the gear 82 is installed on an output shaft of the rotating motor 81, the gear 82 is meshed with the rack 83, the rack 83 is installed inside the sanding ring 84, round holes are evenly formed in the sanding ring 84 along the circumferential direction of the sanding ring, the vibration block 85 is arranged in each round hole, the right end of the vibration block 85 abuts against the protrusion block 86, the protrusion block 86 is evenly installed on the side wall of the middle part of the feeding cylinder 5, the diameter of the sanding ring 84 is larger than that of the crushing frame 75, when the sanding device works, the gear 82 is driven to rotate by the rotating motor 81, so that the sanding ring 84 is driven to rotate at a high speed, and the sanding ring 84 rotating at a high speed is further enlarged in a crushing area due to the fact that the diameter of the sanding ring 84 is larger, the vibrating block 85 is extruded by the bump 86 to vibrate transversely and reciprocally, and thus the non-shattered sticky sand is shattered by vibration.

Sway shower nozzle 61 be the spheroid structure, when swaing rivers in the shower nozzle 61 and spraying the cavity inner wall high pressure, under the impulsive force of water, sway shower nozzle 61 and can carry out the horizontal hunting by the atress, thereby the jetted region has been increased, the residue clearance has been improved, the forked form is seted up to the inside of swaing shower nozzle 61 and is spouted the chamber, make spun rivers be two streams, the residue clearance has been improved, it has flexible pipe to sway to link between shower nozzle 61 and the transport chamber, reset spring 66's outside is equipped with flexible cover, reset spring 66 has been avoided to the flexible cover and has rusted.

The left end of the vibration head 73 is a punch of a circular truncated cone structure, so that the surface is broken, the difficulty of vibration crushing is reduced, a limiting plate is arranged at the right end of the vibration head 73, and a working spring is connected between the limiting plate and the working groove to play a role in resetting.

Broken frame 75 be the drum structure, be equipped with the conical piece in broken frame 75, and for staggered arrangement between the conical piece, the conical piece plays broken sand-sticking's effect.

The right end of dull polish ring 84 be equipped with annular slider, and annular slider is connected through sliding fit's mode and feed cylinder 5 middle part, the left end of dull polish ring 84 is equipped with the dull polish layer, plays the effect of grinding.

Vibrations piece 85's upper and lower both ends seted up the spread groove, be equipped with built-in spring between spread groove and the round hole, play the effect that resets, the inner groovy has been seted up to vibrations piece 85's right-hand member, and has placed the ball in the inner groovy, the setting of ball has reduced the frictional force with protruding piece 86, the ball is hugged closely on protruding piece 86, protruding piece 86 is semi-circular structure, protruding piece 86 sets up and plays the outside extruded effect to vibrations piece 85.

The left end of the protective cover 3 is connected with the right end of the support frame 1 in a sliding fit mode.

When in work:

s1, adjusting: the invention is moved to the right of the large casting, and the height of the protective cover 3 is adjusted to align the vibration head 73 with the axis of the cavity;

s2, crushing for the first time: the feeding barrel 5 is driven to move left at a low speed by the cylinder 4, the vibrating head 73 vibrates and crushes the sticky sand in the cavity for the first time, the crushing frame 75 moving left synchronously crushes the area of the original vibrating and crushing position, and pushes and discharges the crushed sticky sand left;

s3, grinding: when the sanding device 8 passes through the primary crushing area, the rotating motor 81 drives the gear 82 to rotate so as to drive the sanding ring 84 to rotate at a high speed, the sanding ring 84 rotating at a high speed further expands the crushing area, and the vibration block 85 is extruded by the convex block 86 to vibrate, so that the non-crushed sticky sand is subjected to auxiliary vibration crushing;

s4, high-pressure flushing: when the high-pressure injection device 6 passes through the ground area, the water pump 64 is used for conveying the clean water in the water storage frame 65 to the swinging spray head 61 at high pressure, so that the residual sticky sand on the inner wall of the cavity is washed.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.