Precision machinery part precoated sand casting process
Technical Field
The invention relates to the field of sand casting, in particular to a precise mechanical part precoated sand casting process.
Background
The precoated sand casting is a process for casting steel and iron parts, is a common method in the modern industrial field, uses selected natural sand as a sand base, and strives to perfectly combine the aspects of normal temperature performance, high temperature performance, collapsibility, fluidity, casting surface roughness and the like through a resin precoating system with special performance and an optimal process technology according to the technical requirements of different users.
After the precoated sand casting is cast and formed, the surface of the casting can be adhered with a plurality of sands generally, before the casting is refined, the surface of the casting needs to be cleaned, and the casting cannot be cleaned in a soaking mode after the casting is formed, otherwise, the casting formed by steel casting is easy to crack.
Disclosure of Invention
In order to solve the problems, the invention provides a precision mechanical part precoated sand casting process, which can automatically and quickly clean castings, can comprehensively clean the castings and improves the cleaning effect of the castings.
In order to achieve the purpose, the invention adopts the following technical scheme that a casting processing device is used in the precision mechanical part precoated sand casting process, the casting processing device comprises a base and a rotating frame, and the specific method for cleaning the precoated sand casting by adopting the casting processing device is as follows:
s1, equipment checking: before the casting treatment device is started to treat the precoated sand casting, the operation of the equipment is checked;
s2, fixing the casting: placing the cast product after casting molding on the base of the casting processing device which is inspected in the step S1, and operating the rotating frame to fix the cast product placed on the base;
s3, cleaning the casting: operating the rotating frame to rotate, and cleaning the casting fixed on the rotating frame in the S2;
s4, collecting castings: operating the rotating frame, pushing the castings cleaned in the step S3 away from the rotating frame and falling onto the base to realize collection;
the base is fixedly provided with a first motor, the rotating frame is fixedly arranged at the output end of the first motor, the top of the rotating frame is fixedly provided with an installation platform, an insertion groove is formed in the installation platform, two ends of the insertion groove penetrate through the installation platform, a rotating shaft is inserted in the insertion groove, two ends of the rotating shaft are inserted with connecting rods, one end of each connecting rod, far away from the rotating shaft, is fixedly provided with a first hydraulic cylinder, and the output end of the first hydraulic cylinder penetrates through the connecting rods and is fixedly provided with a fixed rod;
the fixing rods are symmetrically provided with grooves, pressing plates with arc structures are inserted into the grooves, inserting blocks are fixedly mounted on one sides of the pressing plates inserted into the grooves, inclination angles are formed in the ends, far away from the pressing plates, of the inserting blocks, tension springs are symmetrically and fixedly mounted between the inserting blocks, second hydraulic cylinders are fixedly mounted in the fixing rods, telescopic strips are fixedly mounted at the output ends of the second hydraulic cylinders, inclination angles are symmetrically formed in one ends of the telescopic strips and are in contact with the inserting blocks, and a plurality of fixing teeth are symmetrically and fixedly mounted on one sides, far away from the inserting blocks, of the pressing plates;
the rotary frame on the symmetry fixed mounting have a fixed plate, the draw-in groove has been seted up to the symmetry on the fixed plate, all insert the clamp splice that is equipped with the half-circular arc structure in the draw-in groove, the clamp splice is two bisymmetry settings, the double-layered groove of arc structure all is seted up in the clamp splice, symmetry fixed mounting has a plurality of No. one brushes on the inner wall in double-layered groove, equal symmetry fixed mounting has No. three pneumatic cylinders in the fixed plate, the output of No. three pneumatic cylinders all runs through the fixed plate fixed mounting be in on the clamp splice.
As a preferred technical scheme of the invention, four hydraulic cylinders are symmetrically and fixedly installed in the installation table, a plurality of fixed grooves are symmetrically formed in the connecting rod, the output ends of the four hydraulic cylinders penetrate through the installation table and are inserted into the fixed grooves, spring balls are symmetrically inserted into one end of the rotating shaft inserted into the connecting rod, connecting grooves are symmetrically formed in the connecting rod, and the connecting grooves are symmetrically arranged and inserted with the spring balls.
As a preferred technical scheme of the present invention, the base and the two ends of the rotating frame are both provided with a placing groove, the inner wall of the placing groove is symmetrically inserted with a plurality of spring clamping blocks, and the spring clamping blocks are symmetrically provided with inclination angles.
As a preferable technical scheme of the invention, two brushes are fixedly arranged on the fixing rod and positioned at two ends of the groove.
As a preferred technical scheme, the clamping grooves are fixedly provided with inserting strips of convex structures, the inserting strips are arranged in an arc shape, and the inserting strips are fixedly provided with a plurality of third hairbrushes.
As a preferred technical scheme, five hydraulic cylinders are fixedly arranged in the clamping grooves, the output ends of the five hydraulic cylinders penetrate through the clamping grooves and are fixedly provided with clamping strips of arc structures, a plurality of clamping teeth are symmetrically and fixedly arranged on one sides of the clamping strips, which are far away from the five hydraulic cylinders, a plurality of through grooves are symmetrically formed in the cutting strips and located between the three hairbrushes, and the clamping teeth are symmetrically arranged with the through grooves and are connected with the through grooves in an inserting mode.
As a preferred technical scheme of the invention, a first gear is fixedly arranged on the rotating shaft, a second motor is fixedly arranged in the mounting table, a second gear is fixedly arranged at the output end of the second motor, and the second gear and the first gear are symmetrically arranged and meshed with each other.
The invention has the beneficial effects that:
1. the automatic casting cleaning machine can automatically and quickly clean castings, can comprehensively clean the castings, and improves the cleaning effect of the castings.
2. The invention designs the rotating shaft which can drive the connecting rod and the fixing rod to rotate, the connecting rod is used for stretching the fixing rod, a formed casting can be fixed on the fixing rod through the pressing plate, the rotation is realized under the driving of the rotating shaft, and the surface of the casting can be cleaned by matching with the clamping block.
3. The invention designs the clamping groove, the first hairbrush in the clamping groove can be matched with the inserting strip and the third hairbrush to clean the surface of a rotating casting, the fifth hydraulic cylinder in the clamping groove can push the clamping strip and the clamping teeth to clamp the casting for propping, and the inner wall of the casting can be cleaned by matching with the rotation of the fixed rod, so that the effect of omnibearing cleaning is achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic process flow diagram of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic cross-sectional view of the mounting table of the present invention;
FIG. 4 is an enlarged partial schematic view of the invention at A of FIG. 3;
FIG. 5 is an enlarged partial schematic view of the invention at B of FIG. 3;
FIG. 6 is a schematic structural diagram of an insert block of the present invention;
FIG. 7 is a cross-sectional structural schematic view of the clamp block of the present invention;
FIG. 8 is a schematic cross-sectional view of a pod of the present invention;
fig. 9 is a schematic sectional structure view of the placement groove of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 9, a precision machine part precoated sand casting process uses a casting treatment device, which comprises a base 1 and a rotating frame 2, and the specific method for cleaning the precoated sand casting by using the casting treatment device is as follows:
s1, equipment checking: before the casting treatment device is started to treat the precoated sand casting, the operation of the equipment is checked;
s2, fixing the casting: placing the cast product after casting on the base 1 of the casting processing device inspected in the above step S1, and operating the rotating frame 2 to fix the cast product placed on the base 1;
s3, cleaning the casting: operating the rotating frame 2 to rotate, and cleaning the casting fixed on the rotating frame 2 in the S2;
s4, collecting castings: operating the rotating frame 2, pushing the castings cleaned in the step S3 away from the rotating frame 2 and falling onto the base 1 to realize collection;
a first motor 11 is fixedly installed on the base 1, a rotating frame 2 is fixedly installed at the output end of the first motor 11, an installation table 21 is fixedly installed at the top of the rotating frame 2, an insertion groove 22 is formed in the installation table 21, two ends of the insertion groove 22 penetrate through the installation table 21, a rotating shaft 23 is inserted in the insertion groove 22, a connecting rod 3 is inserted in two ends of the rotating shaft 23, a first hydraulic cylinder 31 is fixedly installed at one end, far away from the rotating shaft 23, of the connecting rod 3, and the output end of the first hydraulic cylinder 31 penetrates through the connecting rod 3 and is fixedly installed with a fixing rod 32; base 1 is used for playing the supporting role, and a motor 11 is used for the rotation of swivel mount 2, and slot 22 is used for inserting and establishes pivot 23 and connecting rod 3, and pivot 23 is used for driving connecting rod 3 rotatory, and a pneumatic cylinder 31 in the connecting rod 3 is used for connecting and flexible dead lever 32, and dead lever 32 is used for inserting and establishes the wheel-shaped foundry goods.
A first gear 24 is fixedly mounted on the rotating shaft 23, a second motor 25 is fixedly mounted in the mounting table 21, a second gear 26 is fixedly mounted at the output end of the second motor 25, the second gear 26 and the first gear 24 are symmetrically arranged and meshed with each other, the second motor 25 drives the second gear 26 to rotate, and the second gear 26 is matched with the first gear 24 to drive the rotating shaft 23 to synchronously rotate.
Symmetrical fixed mounting has pneumatic cylinder 5 No. four in the mount table 21, a plurality of fixed slots 51 have been seted up to equal symmetry on the connecting rod 3, the output of pneumatic cylinder 5 No. four all runs through mount table 21 and inserts and establish in fixed slot 51, the equal symmetry of one end of establishing in connecting rod 3 is inserted in pivot 23 and is equipped with spring bead 52, connecting groove 53 has been seted up to equal symmetry in the connecting rod 3, connecting groove 53 all sets up and pegs graft mutually with spring bead 52 symmetry, No. four pneumatic cylinder 5 cooperation fixed slots 51 is used for fixing a position connecting rod 3, spring bead 52 cooperation connecting groove 53 can make pivot 23 drive connecting rod 3 rotate.
The fixing rod 32 is symmetrically provided with grooves 33, pressing plates 34 of arc structures are inserted into the grooves 33, inserting blocks 35 are fixedly mounted on one sides of the pressing plates 34 inserted into the grooves 33, inclination angles are formed in the ends, far away from the pressing plates 34, of the inserting blocks 35, tension springs 36 are symmetrically and fixedly mounted between the inserting blocks 35, second hydraulic cylinders 37 are fixedly mounted in the fixing rods 32, telescopic strips 38 are fixedly mounted at the output ends of the second hydraulic cylinders 37, inclination angles are formed in one ends of the telescopic strips 38 symmetrically and are in contact with the inserting blocks 35, fixing teeth are symmetrically and fixedly mounted on one sides, far away from the inserting blocks 35, of the pressing plates 34, the grooves 33 are used for inserting the pressing plates 34, the second hydraulic cylinders 37 drive the telescopic strips 38 to stretch, the telescopic strips 38 can extrude the inserting blocks 35 through stretching, the inserting blocks 35 extend outwards, the pressing plates 34 are pushed to clamp the inner walls of wheel-shaped castings, and the tension springs 36 are used for driving the inserting blocks 35 and.
The second brush 321 is fixedly mounted on the fixing rod 32 and located at two ends of the groove 33, and the second brush 321 is used for cleaning the inner wall of the wheel-shaped casting.
Symmetrical fixed mounting has fixed plate 4 on swivel mount 2, draw-in groove 41 has been seted up to the symmetry on fixed plate 4, all insert the clamp splice 42 that is equipped with the half-circular arc structure in the draw-in groove 41, clamp splice 42 is two bisymmetry settings, clamp groove 43 of arc structure all has been seted up in the clamp splice 42, symmetrical fixed mounting has a plurality of No. one brush 44 on the inner wall of clamp groove 43, equal symmetrical fixed mounting has No. three pneumatic cylinders 45 in the fixed plate 4, No. three pneumatic cylinder 45's output all runs through fixed plate 4 fixed mounting on clamp splice 42, recess 41 on the fixed plate 4 is used for connecting clamp splice 42, No. three pneumatic cylinder 45 is used for flexible clamp splice 42, clamp groove 43 is used for the cover to establish the outside at the wheel form foundry goods, cooperation No. one brush 44 can clear up its.
The inserting strips 7 with the convex structures are fixedly mounted in the clamping grooves 43, the inserting strips 7 are arc-shaped, a plurality of third brushes 71 are fixedly mounted on the inserting strips 7, the inserting strips 7 are used for being inserted into annular grooves in the outer wall of the wheel-shaped casting, and the third brushes 71 are matched to realize cleaning.
Equal fixed mounting has No. five pneumatic cylinders 72 in the clamp groove 43, No. five pneumatic cylinder 72's output all runs through clamp groove 43 and fixed mounting has the card strip 73 of arc structure, the equal symmetrical fixed mounting in one side that No. five pneumatic cylinders 72 were kept away from to card strip 73 has a plurality of latches 74, equal symmetry has seted up a plurality of logical grooves 75 between the equal brush 71 that is located on the cutting 7, latch 74 all sets up and pegs graft mutually with logical groove 75 symmetry, No. five pneumatic cylinders 72 are used for flexible card strip 73, the flexible card tooth 74 that promotes of card strip 73 stretches out logical groove 75 and carries out the centre gripping to the inner wall of wheel form foundry goods, fix the wheel form foundry goods, an inner wall for cooperating No. two brush 321 on the dead lever 32 to the wheel form foundry goods is cleared.
Standing groove 6 has all been seted up at the both ends that are located swivel mount 2 on base 1, and equal symmetry is inserted on standing groove 6's the inner wall and is equipped with a plurality of spring fixture block 61, and the angle of inclination has been seted up to equal symmetry on the spring fixture block 61, and standing groove 6 is used for placing the wheel-shaped foundry goods before the clearance and the wheel-shaped foundry goods after the clearance, makes things convenient for material loading and unloading, spring fixture block 61 fixed wheel-shaped foundry goods, and the tip can make things convenient for the joint of wheel-shaped foundry goods on spring fixture block.
When the wheel-shaped casting cleaning device is used, firstly, the fixed rod 32 is extended out through the first hydraulic cylinder 31 and inserted into the wheel-shaped casting in the placing groove 6, when the fixed rod is inserted, the second brush 321 can primarily clean the inner wall of the wheel-shaped casting, the second hydraulic cylinder 37 stretches and retracts to drive the telescopic strip 38 to extrude the inserting block 35, the pressing plate 34 is pushed to press and clamp the inner wall of the wheel-shaped casting, the fixed rod 32 of the clamped wheel-shaped casting is retracted through the first hydraulic cylinder 31, the third hydraulic cylinder 45 is operated to push the clamping block 42 to be spliced, the clamping groove 43 is sleeved on the outer side of the clamped wheel-shaped casting, the rotating shaft 23 is operated to rotate to drive the clamped wheel-shaped casting to synchronously rotate, cleaning is realized, after the surface of the wheel-shaped casting is cleaned, the fifth hydraulic cylinder 72 is operated to push the clamping strip 73 and the clamping teeth 74 to clamp and fix the wheel-shaped casting, break away from the inner wall of wheel form foundry goods, the dead lever 32 is rotated once more, and through a pneumatic cylinder 31 to dead lever 32 reciprocal flexible, clear up the inner wall of wheel form foundry goods, operation motor 11 drives swivel mount 2 and rotates after the clearance is accomplished, drive the wheel form foundry goods removal after the clearance is accomplished, operate clamp splice 42 separation simultaneously, make it break away from the wheel form foundry goods, No. two pneumatic cylinders 37 of secondary operation drive splint 34 and stretch out, carry out the centre gripping to the wheel form foundry goods, make dead lever 32 drive the joint of the wheel form foundry goods after the clearance is accomplished on the spring fixture block 61 in standing groove 6, withdraw clamp plate 34 and dead lever 32, the above-mentioned step of reciprocating operation can.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.