阅读说明：本技术 一种精密铸件的清砂系统 (Sand removal system of precision casting ) 是由 邹燕成 张映军 于 2021-07-23 设计创作，主要内容包括：本发明属于铸件清砂技术领域,尤其是一种精密铸件的清砂系统,针对现有的清砂方式多通过人工清砂,人工清洁劳动强度大,劳动条件差,效率低,粉尘污染严重,清砂效果差的问题,现提出如下方案,其包括清洁箱,清洁箱的顶部设置有箱盖,箱盖的顶部设置有伺服电机,伺服电机的输出轴上固定安装有带动柱,带动柱与箱盖的中心位置转动相连,带动柱的底部固定安装有放置板,放置板的顶部外边转动安装有多个旋转柱,旋转柱的顶部设置有固定单元,固定单元上设置有铸件,清洁箱内设置有隔板。本发明操作方便,便于固定,避免人工清洁,可以进行全面清洁,提高了工作效率,且可以对水资源重复利用。(The invention belongs to the technical field of casting sand removal, and particularly relates to a sand removal system for precision castings, aiming at the problems of high labor intensity, poor labor condition, low efficiency, serious dust pollution and poor sand removal effect of the existing sand removal mode due to manual sand removal, the sand removal system comprises a cleaning box, wherein a box cover is arranged at the top of the cleaning box, a servo motor is arranged at the top of the box cover, a driving column is fixedly arranged on an output shaft of the servo motor and is rotatably connected with the central position of the box cover, a placing plate is fixedly arranged at the bottom of the driving column, a plurality of rotating columns are rotatably arranged outside the top of the placing plate, a fixing unit is arranged at the top of each rotating column, castings are arranged on the fixing units, and a partition plate is arranged in the cleaning box. The invention has convenient operation and fixation, avoids manual cleaning, can carry out comprehensive cleaning, improves the working efficiency and can repeatedly utilize water resources.)

1. A sand removing system for precision castings comprises a cleaning box (1), wherein a box cover (2) is arranged at the top of the cleaning box (1), and is characterized in that a servo motor (3) is arranged at the top of the box cover (2), a driving column (4) is fixedly installed on an output shaft of the servo motor (3), the driving column (4) is rotatably connected with the central position of the box cover (2), a placing plate (5) is fixedly installed at the bottom of the driving column (4), a plurality of rotary columns (7) are rotatably installed outside the top of the placing plate (5), a fixing unit is arranged at the top of each rotary column (7), a casting (6) is arranged on each fixing unit, a partition plate (18) is arranged in the cleaning box (1), an annular inner gear (16) is arranged at the top of the partition plate (18), an inclined gear (17) is arranged on the lower end face of each rotary column (7), and the inclined gear (17) is in contact engagement with the annular inner gear (16), the bottom of the partition board (18) is symmetrically provided with two U-shaped seats (19), guide strips (24) are arranged in the two U-shaped seats (19) in a sliding manner, the two guide strips (24) are connected with the same connecting strip (31), a first filter screen (20) and a second filter screen (21) are connected between the two guide strips (24), the left side of the cleaning box (1) is connected with a water pump (37), a water inlet of the water pump (37) is connected with a water inlet pipe (41), the water inlet pipe (41) is communicated with a branch pipe (40), the branch pipe (40) is communicated with the cleaning box (1), a water outlet of the water pump (37) is communicated with a water outlet pipe (38), the water outlet pipe (38) is connected with a spraying box (36), the spraying box (36) is provided with a plurality of spraying heads (39), the plurality of spraying heads (39) are arranged on the inner wall of the cleaning box (1), the outer side of the cleaning box (1) is provided with two lifting units, the two lifting units are connected with the box cover (2).

2. The sand removing system for the precision castings according to claim 1, wherein the fixing unit comprises a placing box (9), a rotating rod (10), a twisting handle (11), moving blocks (14) and fixing plates (15), the lower end face of the placing box (9) is connected with the upper end face of the rotating column (7), two through holes (13) are symmetrically formed in the top of the placing box (9), the moving blocks (14) are two and are connected with the corresponding through holes (13) in a sliding mode, the rotating rod (10) is rotatably installed in the placing box (9), the two moving blocks (14) are connected to the outer side of the rotating rod (10) in a threaded mode, the twisting handle (11) is connected with the outer end of the rotating rod (10), the fixing plates (15) are two and are connected with the upper end faces of the corresponding moving blocks (14), and the castings (6) are located between the two fixing plates (15) and are in contact with each other.

3. The sand removing system for the precision castings according to claim 2, wherein two spiral threads (12) are symmetrically formed on the outer side of the rotating rod (10), the spiral directions of the two spiral threads (12) are opposite, and the moving block (14) is in threaded connection with the corresponding spiral threads (12).

4. A sand removal system for precision castings according to claim 1, wherein the lifting unit comprises a push rod motor (34) and a mounting block (35), the push rod motor (34) is fixedly connected to the outer side of the clean box (1), the mounting block (35) is connected to an output shaft of the push rod motor (34), and the mounting block (35) is connected to the outer side of the box cover (2).

5. The sand removing system for the precision castings according to claim 1, wherein the outer side of the connecting strip (31) is connected with a mounting plate (32), the mounting plate (32) is fixedly connected with the outer side of the cleaning box (1), the front side of the cleaning box (1) is provided with a mounting hole, and the connecting strip (31) is movably connected with the mounting hole in a sealing manner.

6. A sand removal system for precision castings according to claim 1, characterized in that the top of the placing plate (5) is provided with a plurality of first weep holes (8), and the top of the partition plate (18) is provided with a plurality of second weep holes (45).

7. A system for cleaning precision castings according to claim 1, characterized in that a first valve (42) is provided on the branch pipe (40) and a second valve (43) is provided on the inlet pipe (41).

8. A sand removal system for precision castings according to claim 1, characterized in that the right side of the cleaning tank (1) is communicated with a sewage discharge pipe (44), and the bottom of the cleaning tank (1) is provided with four support legs.

Technical Field

The invention relates to the technical field of casting sand removal, in particular to a sand removal system of a precision casting.

Background

Casting products are all processed from cast or forged blanks, sand casting is often carried out in the casting process, sand grains such as sand shooting holes, included angles of inner cavities, rough surfaces of the inner cavities and the like are remained after sand casting, and therefore the blanks of the casting products are often remained with sand grains which need to be cleaned.

The prior sand removing mode adopts manual sand removing, and has the disadvantages of high labor intensity, poor labor condition, low efficiency, serious dust pollution and poor sand removing effect.

Disclosure of Invention

The invention aims to solve the defects of high labor intensity, poor labor condition, low efficiency, serious dust pollution and poor sand cleaning effect of manual sand cleaning in the conventional sand cleaning mode.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sand removing system for precision castings comprises a cleaning box, a box cover is arranged at the top of the cleaning box, a servo motor is arranged at the top of the box cover, a driving post is fixedly mounted on an output shaft of the servo motor and is rotationally connected with the central position of the box cover, a placing plate is fixedly mounted at the bottom of the driving post, a plurality of rotary posts are rotationally mounted outside the top of the placing plate, a fixing unit is arranged at the top of each rotary post, castings are arranged on the fixing unit, a partition plate is arranged in the cleaning box, an annular inner gear is arranged at the top of the partition plate, an inclined-edge gear is arranged on the lower end face of each rotary post and is in contact engagement with the annular inner gear, two U-shaped seats are symmetrically arranged at the bottom of the partition plate, guide strips are slidably mounted in the two U-shaped seats, the same connecting strip is connected onto the two guide strips, a first filter screen and a second filter screen are connected between the two guide strips, the left side of cleaning box is connected with the water pump, and the water inlet of water pump is connected with the inlet tube, and the intercommunication has the bleeder on the inlet tube, and the bleeder communicates with the cleaning box mutually, and the delivery port intercommunication of water pump has the outlet pipe, is connected with on the outlet pipe and sprays the box, sprays and is provided with a plurality of shower heads on the box, and the shower head is a plurality of and all sets up on the inner wall of cleaning box, and the outside of cleaning box is provided with two lift units, and two lift units all link to each other with the case lid.

Preferably, the fixed unit is including placing box, rotary rod, twist the handle, movable block and fixed plate, and the lower terminal surface of placing the box links to each other with the up end of column spinner, and the top symmetry of placing the box has seted up two through-holes, and the movable block is two and links to each other with the through-hole slip that corresponds, and the rotary rod rotates to be installed in placing the box, and the equal threaded connection of two movable blocks is in the outside of rotary rod, twists the handle and links to each other with the outer end of rotary rod, and the fixed plate is two and links to each other with the up end of the movable block that corresponds, and the foundry goods is located between two fixed plates and contacts.

Preferably, two spiral threads are symmetrically formed in the outer side of the rotating rod, the spiral directions of the two spiral threads are opposite, and the moving block is connected with the corresponding spiral thread.

Preferably, the lifting unit comprises a push rod motor and a mounting block, the push rod motor is fixedly connected to the outer side of the cleaning box, the mounting block is connected with an output shaft of the push rod motor, and the mounting block is connected with the outer side of the box cover.

Preferably, the outer side of the connecting strip is connected with a mounting plate, the mounting plate is fixedly connected with the outer side of the cleaning box, a mounting hole is formed in the front face of the cleaning box, and the connecting strip is movably connected with the mounting hole in a sealing mode.

Preferably, a plurality of first weep holes are formed in the top of the placing plate, and a plurality of second weep holes are formed in the top of the partition plate.

Preferably, be provided with first valve on the bleeder, be provided with the second valve on the inlet tube, the right side intercommunication of clean case has the blow off pipe, and the bottom of clean case is provided with four supporting legs.

Compared with the prior art, the invention has the advantages that:

according to the scheme, the casting is placed at the top of the placing box, the rotating rod is rotated through the twisting handle, the rotating rod drives the two moving blocks to be close to each other through the two spiral threads, and the two moving blocks drive the two fixing plates to be close to each other to fix the casting, so that the casting is convenient to fix;

according to the scheme, cleaning water is sent into the spray box through the water outlet pipe by the water pump, the castings are cleaned through the spray head, the servo motor drives the driving column to rotate, the driving column drives the placing box to do annular motion through the placing plate and the rotating column, the placing box drives the castings to do annular motion, so that the spray head can clean the used castings, meanwhile, the rotating column drives the bevel gear to move and rotate on the annular inner gear, the rotating column drives the placing box to rotate, the placing box drives the castings to do annular motion and rotate simultaneously, the spray head can comprehensively clean the castings, and omission is avoided;

the bottom of first filter screen and second filter screen is fallen along first small opening and second small opening to the clear sand sediment of this scheme, and used cleaning water is used repeatedly through first filter screen and second filter screen filtration back used water economy resource.

The invention has convenient operation and fixation, avoids manual cleaning, can carry out comprehensive cleaning, improves the working efficiency and can repeatedly utilize water resources.

Drawings

FIG. 1 is a three-dimensional view of a system for cleaning sand from a precision casting in accordance with the present invention;

FIG. 2 is a schematic cross-sectional view of a sand removal system for precision castings according to the present invention;

FIG. 3 is a schematic view of a portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of a portion B of FIG. 2 according to the present invention;

fig. 5 is a schematic view of a top-view connection structure of the mounting plate, the connecting bar, the guide bar, the winding rod, the winding wheel and the like according to the present invention.

In the figure: 1. a cleaning tank; 2. a box cover; 3. a servo motor; 4. driving the column; 5. placing the plate; 6. casting; 7. a spin column; 8. a first leak hole; 9. placing the box; 10. rotating the rod; 11. twisting a handle; 12. helical thread; 13. a through hole; 14. a moving block; 15. a fixing plate; 16. an annular internal gear; 17. a bevel gear; 18. a partition plate; 19. a U-shaped seat; 20. a first filter screen; 21. a second filter screen; 22. a fixing sheet; 23. pulling a rope; 24. a guide strip; 25. a slide hole; 26. a clamping rod; 27. a card slot; 28. a tension spring; 29. winding the rod; 30. a winding wheel; 31. a connecting strip; 32. mounting a plate; 33. a handle; 34. a push rod motor; 35. mounting blocks; 36. a spray box; 37. a water pump; 38. a water outlet pipe; 39. a shower head; 40. a branch pipe; 41. a water inlet pipe; 42. a first valve; 43. a second valve; 44. a blow-off pipe; 45. and a second leak hole.

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.

Example one

Referring to fig. 1-5, a sand removing system for precision castings comprises a cleaning box 1, a box cover 2 is arranged at the top of the cleaning box 1, a servo motor 3 is arranged at the top of the box cover 2, a driving column 4 is fixedly arranged on an output shaft of the servo motor 3, the driving column 4 is rotatably connected with the central position of the box cover 2, a placing plate 5 is fixedly arranged at the bottom of the driving column 4, a plurality of rotary columns 7 are rotatably arranged outside the top of the placing plate 5, a fixing unit is arranged at the top of each rotary column 7, a casting 6 is arranged on the fixing unit, a partition plate 18 is arranged in the cleaning box 1, an annular inner gear 16 is arranged at the top of the partition plate 18, a bevel gear 17 is arranged on the lower end face of each rotary column 7, the bevel gear 17 is in contact engagement with the annular inner gear 16, two U-shaped seats 19 are symmetrically arranged at the bottom of the partition plate 18, guide strips 24 are slidably arranged in the two U-shaped seats 19, be connected with same connecting strip 31 on two gibs 24, be connected with first filter screen 20 and second filter screen 21 between two gibs 24, the left side of cleaning box 1 is connected with water pump 37, the water inlet of water pump 37 is connected with inlet tube 41, the intercommunication has bleeder 40 on the inlet tube 41, bleeder 40 is linked together with cleaning box 1, the delivery port intercommunication of water pump 37 has outlet pipe 38, be connected with on the outlet pipe 38 and spray box 36, be provided with a plurality of shower heads 39 on the box 36, shower head 39 is a plurality of and all sets up on the inner wall of cleaning box 1, the outside of cleaning box 1 is provided with two lift units, two lift units all link to each other with case lid 2.

In this embodiment, the fixed unit is including placing box 9, the rotary rod 10, turn round handle 11, moving block 14 and fixed plate 15, the lower terminal surface of placing box 9 links to each other with the up end of column 7, two through-holes 13 have been seted up to the top symmetry of placing box 9, moving block 14 is two and slides with the through-hole 13 that corresponds and link to each other, rotary rod 10 rotates and installs in placing box 9, the equal threaded connection in the outside of rotary rod 10 of two moving blocks 14, turn round handle 11 and rotary rod 10's outer end and link to each other, fixed plate 15 is two and links to each other with the up end of the moving block 14 that corresponds, foundry goods 6 is located between two fixed plates 15 and contacts, the fixed unit of setting is used for fixing foundry goods 6, the inboard of fixed plate 15 is provided with the slipmat, can increase the frictional force fixed to foundry goods 6.

In this embodiment, two spiral threads 12 are symmetrically formed on the outer side of the rotating rod 10, the spiral directions of the two spiral threads 12 are opposite, and the moving block 14 is in threaded connection with the corresponding spiral threads 12.

In this embodiment, the lifting unit includes a push rod motor 34 and an installation block 35, the push rod motor 34 is fixedly connected to the outer side of the cleaning box 1, the installation block 35 is connected to an output shaft of the push rod motor 34, the installation block 35 is connected to the outer side of the box cover 2, and the lifting unit is used for driving the box cover 2 to lift.

In this embodiment, there is a mounting plate 32 outside the connecting strip 31 through screwed connection, the mounting plate 32 is fixedly connected with the outside of the cleaning box 1, a mounting hole is provided on the front surface of the cleaning box 1, and the connecting strip 31 is movably connected with the mounting hole in a sealing manner.

In this embodiment, the top of the placing plate 5 is provided with a plurality of first leaking holes 8, and the top of the partition plate 18 is provided with a plurality of second leaking holes 45.

In this embodiment, the branched pipe 40 is provided with a first valve 42, the water inlet pipe 41 is provided with a second valve 43, the right side of the cleaning tank 1 is communicated with a drainage pipe 44, and the drainage pipe 44 is used for draining dirt in the cleaning tank 1.

In the embodiment, when the cleaning water spraying device is used, all electrical equipment is powered on and a controller, firstly, two push rod motors 34 are started, the two push rod motors 34 drive a box cover 2 to move upwards through two mounting blocks 35, the box cover 2 drives a placing plate 5 to move upwards through a driving column 4, a casting 6 is placed on the top of a placing box 9, a rotating rod 10 is rotated through a twisting handle 11, the rotating rod 10 drives two moving blocks 14 to mutually approach through two spiral threads 12, the two moving blocks 14 drive two fixing plates 15 to mutually approach and fix the casting 6, a plurality of castings 6 are fixed in sequence in the same way, the two push rod motors 34 are reversely started, so that the box cover 2 moves downwards to contact with a top opening of a cleaning box 1, a water inlet pipe 41 is externally connected with cleaning water, a second valve 43 is opened, a first valve 42 is closed, a water pump 37 is started, the water pump 37 sends the cleaning water into the spraying box 36 through a water outlet pipe 38, the casting 6 is cleaned through the spray head 39, the servo motor 3 is started, the servo motor 3 drives the driving column 4 to rotate, the driving column 4 drives the placing plate 5 to rotate, the placing plate 5 drives the placing box 9 to do circular motion through the rotating column 7, the placing box 9 drives the casting 6 to do circular motion, so that the spray head 39 can clean the casting 6, meanwhile, the rotating column 7 drives the bevel gear 17 to move and rotate on the annular inner gear 16, the rotating column 7 drives the placing box 9 to rotate, the placing box 9 drives the casting 6 to do circular motion and simultaneously rotate, so that the spray head 39 can comprehensively clean the casting 6, omission is avoided, the cleaned sand slag falls to the bottoms of the first filter screen 20 and the second filter screen 21 along the first leakage hole 8 and the second leakage hole 45, the used cleaning water is filtered through the first filter screen 20 and the second filter screen 21 and then is reused, the second valve 43 is closed, the first valve 42 is opened, the cleaning water can be reused, after cleaning is completed, the placing plate 5 is lifted again, the twisting handle 11 is rotated reversely, the two fixing plates 15 are far away from each other, and the casting 6 is sequentially taken down.

Example two

Referring to fig. 1-5, a sand removing system for precision castings comprises a cleaning box 1, a box cover 2 is arranged at the top of the cleaning box 1, a servo motor 3 is arranged at the top of the box cover 2, a driving column 4 is fixedly arranged on an output shaft of the servo motor 3, the driving column 4 is rotatably connected with the central position of the box cover 2, a placing plate 5 is fixedly arranged at the bottom of the driving column 4, a plurality of rotary columns 7 are rotatably arranged outside the top of the placing plate 5, a fixing unit is arranged at the top of each rotary column 7, a casting 6 is arranged on the fixing unit, a partition plate 18 is arranged in the cleaning box 1, an annular inner gear 16 is arranged at the top of the partition plate 18, a bevel gear 17 is arranged on the lower end face of each rotary column 7, the bevel gear 17 is in contact engagement with the annular inner gear 16, two U-shaped seats 19 are symmetrically arranged at the bottom of the partition plate 18, guide strips 24 are slidably arranged in the two U-shaped seats 19, be connected with same connecting strip 31 on two gibs 24, be connected with first filter screen 20 and second filter screen 21 between two gibs 24, the left side of cleaning box 1 is connected with water pump 37, the water inlet of water pump 37 is connected with inlet tube 41, the intercommunication has bleeder 40 on the inlet tube 41, bleeder 40 is linked together with cleaning box 1, the delivery port intercommunication of water pump 37 has outlet pipe 38, be connected with on the outlet pipe 38 and spray box 36, be provided with a plurality of shower heads 39 on the box 36, shower head 39 is a plurality of and all sets up on the inner wall of cleaning box 1, the outside of cleaning box 1 is provided with two lift units, two lift units all link to each other with case lid 2.

In this embodiment, the fixed unit is including placing box 9, the rotary rod 10, turn round handle 11, moving block 14 and fixed plate 15, the lower terminal surface of placing box 9 links to each other with the up end of column 7, two through-holes 13 have been seted up to the top symmetry of placing box 9, moving block 14 is two and slides with the through-hole 13 that corresponds and link to each other, rotary rod 10 rotates and installs in placing box 9, the equal threaded connection in the outside of rotary rod 10 of two moving blocks 14, turn round handle 11 and rotary rod 10's outer end and link to each other, fixed plate 15 is two and links to each other with the up end of the moving block 14 that corresponds, foundry goods 6 is located between two fixed plates 15 and contacts, the fixed unit of setting is used for fixing foundry goods 6, the inboard of fixed plate 15 is provided with the slipmat, can increase the frictional force fixed to foundry goods 6.

In this embodiment, two spiral threads 12 are symmetrically formed on the outer side of the rotating rod 10, the spiral directions of the two spiral threads 12 are opposite, and the moving block 14 is in threaded connection with the corresponding spiral threads 12.

In this embodiment, the lifting unit includes a push rod motor 34 and an installation block 35, the push rod motor 34 is fixedly connected to the outer side of the cleaning box 1, the installation block 35 is connected to an output shaft of the push rod motor 34, the installation block 35 is connected to the outer side of the box cover 2, and the lifting unit is used for driving the box cover 2 to lift.

In this embodiment, the outer side of the connecting strip 31 is connected with the mounting plate 32 through a screw, the mounting plate 32 contacts with the outer side of the cleaning box 1, the front surface of the cleaning box 1 is provided with a mounting hole, and the connecting strip 31 is movably connected with the mounting hole in a sealing manner.

In this embodiment, the top of the placing plate 5 is provided with a plurality of first leaking holes 8, and the top of the partition plate 18 is provided with a plurality of second leaking holes 45.

In this embodiment, the branched pipe 40 is provided with a first valve 42, the water inlet pipe 41 is provided with a second valve 43, the right side of the cleaning tank 1 is communicated with a drainage pipe 44, and the drainage pipe 44 is used for draining dirt in the cleaning tank 1.

In this embodiment, the same winding rod 29 is installed in the rotation on mounting panel 32 and the connecting strip 31, winding rod 29's outer end fixed mounting has handle 33, winding rod 29's inner fixed mounting has winding wheel 30, winding wheel 30's the outside is connected with the one end of two stay cords 23, the other end of two stay cords 23 all is connected with kelly 26, draw-in groove 27 has been seted up on the inner wall of U type seat 19, kelly 26 links to each other with the draw-in groove 27 that corresponds, the inner of kelly 26 sets up for the slope, only need promote forward during the installation kelly 26 can get into in draw-in groove 27 under the pulling force effect of extension spring 28.

In this embodiment, the fixing piece 22 is fixedly mounted at one end of each of the two clamping bars 26 close to each other, the fixing piece 22 is fixedly mounted with the corresponding pull rope 23, the tension spring 28 is sleeved outside the clamping bar 26, one end of the tension spring 28 is connected with the fixing piece 22, and the other end of the tension spring 28 is connected with the guide strip 24.

In this embodiment, the guide bar 24 is provided with a sliding hole 25, and the clamping rod 26 is slidably connected with the sliding hole 25.

In this embodiment, the difference between the second embodiment and the first embodiment is that: when first filter screen 20 and second filter screen 21 need be cleaned, handle 33 rotates, handle 33 drives winding rod 29 rotatory, winding rod 29 rolls two stay cords 23 through wind-up wheel 30, two stay cords 23 drive two stationary blades 22 and are close to each other, the tensile extension spring 28 that corresponds of stationary blade 22 takes place to deform and drives kelly 26 and leave draw-in groove 27, outside pulling handle 33, can pull out gib block 24 from the U type seat 19 that corresponds, can take out first filter screen 20 and second filter screen 21 from cleaning box 1, conveniently clean, install again after the cleanness is accomplished, make kelly 26 get into and can use in the draw-in groove 27.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.