CN216729408U

CN216729408U - Detachable sand mold for casting differential mechanism of engineering machinery

Info

Publication number: CN216729408U
Application number: CN202220305583.9U
Authority: CN
Inventors: 张旭; 张开新
Original assignee: Anyang Yuyuan Metallurgical Manufacturing Co ltd
Current assignee: Anyang Yuyuan Metallurgical Manufacturing Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-14
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a detachable sand mold for casting of an engineering machinery differential mechanism, which comprises a base, wherein the top of the base is connected with a drag box, the top of the drag box is connected with a cope box, the drag box and the cope box are both connected with sand mold bodies, fixing plates are fixedly arranged on the two sides of the drag box and the cope box through welding, mounting holes are formed in the four fixing plates, two bolts are slidably mounted in the four mounting holes respectively, and two symmetrical vertical plates are fixedly mounted on the top of the base through welding.

Description

Detachable sand mold for casting differential mechanism of engineering machinery

Technical Field

The utility model relates to the technical field of sand molds, in particular to a detachable sand mold for casting a differential mechanism of engineering machinery.

Background

Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. The ordinary differential consists of planetary gears, a planetary gear carrier (differential case), a half axle gear and other parts. The sand mold is a casting cavity made of raw sand, adhesive and other auxiliary materials in the casting production process.

In the prior art, the sand mould is not convenient for carry out even compaction to the sand box in the use to lead to the sand box easily to take place the displacement, reduce casting quality, for this reason we have proposed engineering machine tool differential mechanism casting and used removable sand mould to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that a sand box is inconvenient to uniformly compact in the using process of the sand mould, so that the sand box is easy to displace and the casting quality is reduced, and provides a detachable sand mould for casting a differential mechanism of an engineering machine.

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

a detachable sand mold for casting a differential mechanism of engineering machinery comprises a base, wherein the top of the base is connected with a drag box, the top of the drag box is connected with a cope box, sand mold bodies are connected in the drag box and the cope box respectively, fixing plates are fixedly arranged on the two sides of the drag box and the cope box through welding, mounting holes are formed in the four fixing plates, two bolts are slidably mounted in the four mounting holes respectively, two symmetrical vertical plates are fixedly mounted on the top of the base through welding, first chutes are formed in one sides of the two vertical plates, the same movable plate is slidably mounted in the two first chutes, two symmetrical empty grooves are formed in the base, compacting mechanisms are arranged in the two empty grooves, fixed blocks are fixedly mounted on one sides of the two vertical plates, second chutes are formed in one side of the two fixed blocks, sliding blocks are slidably mounted in the two second chutes, and T-shaped support plates are connected to one sides of the two sliding blocks, a second through hole is formed in one side of the base and is communicated with the two empty grooves, a worm is rotatably installed in the second through hole and meshed with the two worm wheels, a speed reducing motor is fixedly installed on one side of the base through welding, an output shaft of the speed reducing motor is fixedly connected with one end of the worm through welding, and when the speed reducing motor is started, the worm can drive the two worm wheels to rotate.

Preferably, all seted up the slide opening on two fixed blocks, equal slidable mounting has the ratch in two slide openings, the one end of two ratches all is connected through welded fastening with the bottom of fly leaf, the third through-hole has all been seted up to one side inner wall of two second spouts, two third through-holes communicate with each other with two slide openings respectively, the thread groove has all been seted up to one side of two sliders, the second screw rod is installed to equal screw thread in two thread grooves, the one end of two second screw rods all has the gear through welded fastening, two gears respectively with two ratches meshing.

Preferably, two third spouts of symmetry are seted up to the bottom of fly leaf, and equal slidable mounting has the rectangular block in two third spouts, and the bottom of two rectangular blocks is through the same clamp plate of welded fastening connection, and the top of two rectangular blocks all is connected with first spring, and the one end of two first springs passes through welded fastening connection with the top inner wall of two third spouts respectively.

Preferably, the compacting mechanism comprises two first screw rods, first through holes are formed in the inner walls of the bottoms of the two first sliding grooves and are respectively communicated with the two empty grooves, two symmetrical threaded holes are formed in the movable plate, the two first screw rods are respectively installed in the two threaded holes in a threaded mode, and worm wheels are fixedly installed at one ends of the two first screw rods in a welded mode.

Compared with the prior art, the utility model has the advantages that:

1. when this scheme was played and is opened gear motor, gear motor drove the worm and rotates, and the worm drives two worm wheels and rotates, and two worm wheels drive two first screw rods respectively and rotate, and two first screw rods drive the vertical downstream of fly leaf, and the fly leaf drives two rectangular blocks and the vertical downstream of clamp plate to the clamp plate can carry out the compaction to cope flask and drag flask, avoids in the casting process cope flask and drag flask displacement influence casting quality.

2. When the movable plate vertically moves, the movable plate drives the two toothed bars to vertically move, the two toothed bars drive the two gears to rotate respectively, the two gears drive the two second screws to rotate respectively, the two second screws drive the two sliding blocks and the two T-shaped supporting plates to be close to each other respectively, and the two T-shaped supporting plates can clamp the cope flask and the drag flask to prevent the cope flask and the drag flask from deforming.

The sand box compaction device can be used for conveniently and uniformly compacting the sand box in the using process, so that the displacement of the sand box can be avoided, the casting quality is improved, the structure is simple, and the use is convenient.

Drawings

Fig. 1 is a schematic structural diagram of a front view of a detachable sand mold for casting a differential of an engineering machine, which is provided by the utility model.

Fig. 2 is a three-dimensional structural schematic diagram of a detachable sand mold cope flask and a detachable sand mold drag flask for casting the differential mechanism of the engineering machinery provided by the utility model.

Fig. 3 is an enlarged schematic structural view of a part a in fig. 1 of the detachable sand mold for casting a differential of an engineering machine according to the present invention.

Fig. 4 is an enlarged schematic structural view of a part B in fig. 1 of the detachable sand mold for casting a differential of an engineering machine according to the present invention.

In the figure: 1. a base; 2. a drag flask; 3. a cope flask; 4. a sand mould body; 5. a fixing plate; 6. a bolt; 7. a vertical plate; 8. a first chute; 9. a movable plate; 10. a rectangular block; 11. pressing a plate; 12. a first spring; 13. an empty groove; 14. a worm; 15. a reduction motor; 16. a first screw; 17. a worm gear; 18. a fixed block; 19. a second chute; 20. a slider; 21. a second screw; 22. a rack bar; 23. a gear; 24. a T-shaped support plate; 25. a second spring.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, the detachable sand mold for casting the differential mechanism of the engineering machinery comprises a base 1, wherein the top of the base 1 is connected with a drag flask 2, the top of the drag flask 2 is connected with a cope flask 3, sand mold bodies 4 are respectively connected in the drag flask 2 and the cope flask 3, fixing plates 5 are respectively fixedly installed on two sides of the drag flask 2 and the cope flask 3 through welding, mounting holes are respectively formed in the four fixing plates 5, two bolts 6 are respectively and slidably installed in the four mounting holes, two symmetrical vertical plates 7 are fixedly installed on the top of the base 1 through welding, first sliding grooves 8 are respectively formed in one side of each of the two vertical plates 7, the same movable plate 9 is slidably installed in the two first sliding grooves 8, two symmetrical empty grooves 13 are formed in the base 1, a compacting mechanism is arranged in the two empty grooves 13, fixed blocks 18 are respectively installed on one side of each of the two vertical plates 7, and second sliding grooves 19 are respectively formed in one side of each of the two fixed blocks 18, all slidable mounting has slider 20 in two second spout 19, one side of two sliders 20 all is connected with T type extension board 24, the second through-hole has been seted up to one side of base 1, the second through-hole communicates with each other with two dead slots 13, the worm 14 is installed to the rotation in the second through-hole, worm 14 meshes with two worm wheel 17, one side of base 1 is through welded fastening installation gear motor 15, gear motor 15's output shaft and the one end of worm 14 are through welded fastening connection, when opening gear motor 15, worm 14 can drive two worm wheel 17 and rotate.

In this embodiment, all seted up the slide opening on two fixed blocks 18, equal slidable mounting has ratch 22 in two slide openings, welded fastening is passed through with the bottom of fly leaf 9 to the one end of two ratches 22, the third through-hole has all been seted up to one side inner wall of two second spouts 19, two third through-holes communicate with each other with two slide openings respectively, the thread groove has all been seted up to one side of two sliders 20, equal threaded mounting has second screw rod 21 in two thread grooves, welded fastening has gear 23 all to the one end of two second screw rods 21, two gear 23 respectively with two ratches 22 meshing, when two vertical removal of ratch 22, two gear 23 can drive two second screw rods 21 respectively and rotate.

In this embodiment, two third chutes of symmetry are seted up to the bottom of fly leaf 9, equal slidable mounting has rectangular block 10 in two third chutes, the same clamp plate 11 of welded fastening connection is passed through to the bottom of two rectangular blocks 10, the top of two rectangular blocks 10 all is connected with first spring 12, the one end of two first springs 12 passes through welded fastening with the top inner wall of two third chutes respectively and is connected, when clamp plate 11 extrudees cope flask 3, two first springs 12 can play the effect of exerting force to two rectangular blocks 10 and clamp plate 11 respectively.

In this embodiment, the compacting mechanism includes two first screws 16, first through holes have all been seted up to the bottom inner wall of two first spouts 8, and two first through holes communicate with each other with two dead slots 13 respectively, set up two symmetrical screw holes on the fly leaf 9, and two first screws 16 are threaded respectively and are installed in two screw holes, and the one end of two first screws 16 all is through welded fastening installs worm wheel 17, and when two worm wheel 17 rotated, two first screws 16 can drive fly leaf 9 vertical migration.

In the working principle, when the casting machine is used, molten metal is poured into a sand mold 4, a cope flask 3 and a drag flask 2 are connected through two pins 6, then a speed reducing motor 15 is started, the speed reducing motor 15 drives a worm 14 to rotate, the worm 14 drives two worm wheels 17 to rotate, the two worm wheels 17 respectively drive two first screw rods 16 to rotate, the two first screw rods 16 drive a movable plate 9 to vertically move downwards, the movable plate 9 drives two rectangular blocks 10 and a pressing plate 11 to vertically move downwards, the pressing plate 11 can compact the cope flask 3 and the drag flask 2, the cope flask 3 and the drag flask 2 are prevented from displacing, the casting quality is improved, meanwhile, the movable plate 9 drives two toothed bars 22 to vertically move downwards, the two toothed bars 22 respectively drive two gears 23 to rotate, the two gears 23 respectively drive two second screw rods 21 to rotate, the two second screw rods 21 respectively drive two sliding blocks 20 and two T-shaped support plates 24 to mutually approach, and then two T type extension boards 24 can carry out the centre gripping to cope flask 3 and drag flask 2, avoid cope flask 3 and drag flask 2 to take place the deformation, when the casting is accomplished, can be through two bolt 6 respectively with four fixed plate 5 matched with settings, can be with cope flask 3 and drag flask 2 split, take out the casting.

Example two

The difference from the first embodiment is that: the top of the base 1 is connected with a drag flask 2, the top of the drag flask 2 is connected with a cope flask 3, sand mold bodies 4 are connected in the drag flask 2 and the cope flask 3, fixing plates 5 are fixedly arranged on two sides of the drag flask 2 and the cope flask 3 by welding, mounting holes are arranged on four fixing plates 5, two bolts 6 are slidably mounted in the four mounting holes respectively, two symmetrical vertical plates 7 are fixedly mounted on the top of the base 1 by welding, first chutes 8 are arranged on one sides of the two vertical plates 7, the same movable plate 9 is slidably mounted in the two first chutes 8, two symmetrical empty slots 13 are arranged in the base 1, compacting mechanisms are arranged in the two empty slots 13, fixed blocks 18 are fixedly mounted on one sides of the two vertical plates 7, second chutes 19 are arranged on one sides of the two fixed blocks 18, and sliders 20 are slidably mounted in the two second chutes 19, fourth chutes are formed in one sides of the two sliding blocks 20, T-shaped supporting plates 24 are arranged in the two fourth chutes in a sliding mode, second springs 25 are fixedly connected to one sides of the two T-shaped supporting plates 24, one ends of the two second springs 25 are fixedly connected to the inner walls of one sides of the two fourth chutes respectively, a second through hole is formed in one side of the base 1 and communicated with the two empty grooves 13, a worm 14 is installed in the second through hole in a rotating mode, the worm 14 is meshed with the two worm wheels 17, a speed reduction motor 15 is installed on one side of the base 1 through welding and fixing, the output shaft of the speed reduction motor 15 is fixedly connected with one end of the worm 14 through welding, and when the speed reduction motor 15 is opened, the worm 14 can drive the two worm wheels 17 to rotate.

In the working principle, when the casting machine is used, molten metal is poured into a sand mold 4, a cope flask 3 and a drag flask 2 are connected through two pins 6, then a speed reducing motor 15 is started, the speed reducing motor 15 drives a worm 14 to rotate, the worm 14 drives two worm wheels 17 to rotate, the two worm wheels 17 respectively drive two first screw rods 16 to rotate, the two first screw rods 16 drive a movable plate 9 to vertically move downwards, the movable plate 9 drives two rectangular blocks 10 and a pressing plate 11 to vertically move downwards, the pressing plate 11 can compact the cope flask 3 and the drag flask 2, the cope flask 3 and the drag flask 2 are prevented from displacing, the casting quality is improved, meanwhile, the movable plate 9 drives two toothed bars 22 to vertically move downwards, the two toothed bars 22 respectively drive two gears 23 to rotate, the two gears 23 respectively drive two second screw rods 21 to rotate, the two second screw rods 21 respectively drive two sliding blocks 20 and two T-shaped support plates 24 to mutually approach, and then two T type extension boards 24 can carry out the centre gripping to cope flask 3 and drag flask 2, and two second springs 25 can play the effect of exerting force to two T type extension boards 24 respectively, avoid cope flask 3 and drag flask 2 to take place the deformation, when the casting is accomplished, can be with four fixed plate 5 matched with settings respectively through two bolt 6, can be with cope flask 3 and drag flask 2 split, take out the casting.

The rest is the same as the first embodiment.

The above descriptions are only preferred embodiments 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 scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The detachable sand mold for casting the differential mechanism of the engineering machinery comprises a base (1) and is characterized in that the top of the base (1) is connected with a drag flask (2), the top of the drag flask (2) is connected with a cope flask (3), sand mold bodies (4) are connected in the drag flask (2) and the cope flask (3), fixing plates (5) are fixedly arranged on two sides of the drag flask (2) and the cope flask (3), mounting holes are formed in the four fixing plates (5), two bolts (6) are slidably mounted in the four mounting holes respectively, two symmetrical vertical plates (7) are fixedly mounted on the top of the base (1), first sliding grooves (8) are formed in one sides of the two vertical plates (7), the same movable plate (9) is slidably mounted in the two first sliding grooves (8), two symmetrical empty grooves (13) are formed in the base (1), and a compaction mechanism is arranged in the two empty grooves (13), fixed blocks (18) are fixedly mounted on one sides of the two vertical plates (7), second sliding grooves (19) are formed in one sides of the two fixed blocks (18), sliding blocks (20) are slidably mounted in the two second sliding grooves (19), and T-shaped support plates (24) are connected to one sides of the two sliding blocks (20).

2. The detachable sand mold for casting the differential of the engineering machinery according to claim 1, wherein a second through hole is formed in one side of the base (1), the second through hole is communicated with the two empty grooves (13), a worm (14) is rotatably installed in the second through hole, the worm (14) is meshed with the two worm wheels (17), a speed reducing motor (15) is fixedly installed on one side of the base (1), and an output shaft of the speed reducing motor (15) is fixedly connected with one end of the worm (14).

3. The detachable sand mold for casting the differential of the engineering machinery according to claim 1, wherein the compacting mechanism comprises two first screw rods (16), the inner walls of the bottoms of the two first sliding grooves (8) are provided with first through holes, the two first through holes are respectively communicated with the two empty grooves (13), the movable plate (9) is provided with two symmetrical threaded holes, the two first screw rods (16) are respectively installed in the two threaded holes in a threaded manner, and one ends of the two first screw rods (16) are respectively and fixedly provided with worm wheels (17).

4. The detachable sand mold for casting of the differential of the engineering machinery according to claim 1, wherein two third symmetrical sliding grooves are formed in the bottom of the movable plate (9), rectangular blocks (10) are slidably mounted in the two third sliding grooves, the bottoms of the two rectangular blocks (10) are fixedly connected with a same pressing plate (11), the tops of the two rectangular blocks (10) are connected with first springs (12), and one ends of the two first springs (12) are fixedly connected with the inner walls of the tops of the two third sliding grooves respectively.

5. The detachable sand mold for casting the differential of the engineering machinery according to claim 1, wherein two fixing blocks (18) are respectively provided with a slide hole, two toothed bars (22) are respectively slidably mounted in the two slide holes, one end of each toothed bar (22) is fixedly connected with the bottom of the movable plate (9), one inner wall of each of two second sliding grooves (19) is respectively provided with a third through hole, the two third through holes are respectively communicated with the two slide holes, one side of each of two sliding blocks (20) is respectively provided with a threaded groove, two threaded screws (21) are respectively and threadedly mounted in the two threaded grooves, one end of each of two second threaded screws (21) is respectively and fixedly mounted with a gear (23), and the two gears (23) are respectively meshed with the two toothed bars (22).