CN210435349U

CN210435349U - A weight fastener for assembly line resin sand casting mould

Info

Publication number: CN210435349U
Application number: CN201921112256.6U
Authority: CN
Inventors: 纪汉成
Original assignee: Liyang Lianhua Machinery Manufacture Co ltd
Current assignee: Liyang Lianhua Machinery Manufacture Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-01
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a weight fastener for resin sand assembly line casting mould, including crossbeam, clamp plate, fixed block, sand box, pouring bottom plate and activity case fender, bolt double-screw bolt fastening structure, one side of crossbeam and sand box, pouring bottom plate is equipped with 2 groups of bolt double-screw bolt fastening structures at least, a plurality of clamp plates can follow the T type groove of crossbeam through the fixed block and move, the fixed block passes through fastening screw and clamp plate fixed connection, the clamp plate directly presses on the foundry goods die cavity to avoid the play gas sheet or the rising head of casting mould, the one end of double-screw bolt is the crotch form, and hangs tightly on the concave fender of pouring bottom plate, the utility model discloses a crossbeam and sand box, the pouring bottom plate cooperation that have the activity clamp plate compress tightly the casting mould that has the sand box with bolt double-screw bolt fastening structure, satisfy the weight needs of the different foundry goods casting moulds of assembly line, effectively prevent casting box, The deformation defect improves the quality and the production efficiency of the casting, and the device has the advantages of simple structure, convenient operation and satisfactory use effect.

Description

A weight fastener for assembly line resin sand casting mould

Technical Field

The utility model relates to a casting technical field, in particular to a weight fastener for assembly line resin sand casting mould.

Background

In the casting production, in order to increase the rigidity of the casting mold and prevent the casting from lifting and deforming due to huge buoyancy generated by high-temperature molten metal in the pouring process, a weight of. In the actual production of the resin sand production line, because the sand box has large area, short height and no box stop, the casting mould has small rigidity and large deformation, the casting lifting force is large, the casting is easy to have the defects of box lifting and deformation, and the purpose of solving the problems can not be achieved due to the small weight of the common weight iron.

Therefore, the development and design of a weight fastening device and a method for the resin sand casting mold in the production line are focused on.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art problem, provide a weight fastener and method for assembly line resin sand casting mold, through crossbeam and sand box, the pouring bottom plate cooperation that has the activity clamp plate, compress tightly the casting mold that has the sand box with bolt and stud fastening structure, satisfy the weight needs of the different foundry goods casting molds of assembly line, prevent effectively that the foundry goods from lifting the case, warping the defect, have satisfied result of use.

To achieve the above object, the present invention provides the following technical solutions_：

A weight fastening device for an assembly line resin sand mold, comprising: the casting mould comprises a cross beam, a pressing plate, a fixing block, a sand box, a pouring bottom plate, a movable box stopper and a bolt and stud fastening structure, wherein at least 2 groups of bolt and stud fastening structures are arranged on one side of the cross beam, the sand box and one side of the pouring bottom plate, the plurality of pressing plates can move along a T-shaped groove of the cross beam through the fixing block, the fixing block is fixedly connected with the pressing plate through fastening screws, the plurality of pressing plates are directly pressed on a casting cavity and avoid an air outlet sheet or a riser of the casting mould, and the bolt and stud fastening structure comprises a bolt, a stud, a gasket and a hook.

Furthermore, one end of the stud is in a hook shape and is hung on a concave block of the pouring bottom plate.

Furthermore, the plurality of press plates are opposite to the casting cavity, and the distance between the plurality of press plates and the casting surface of the upper sand box is not more than lmm.

Furthermore, the fixed block is in a T-shaped block shape.

Furthermore, the fixed block is matched with the T-shaped groove of the cross beam, and the matching clearance is l-2 mm.

Furthermore, the movable box baffle is a rigid support, is pre-embedded in the casting mold during molding and is vertical to the horizontal direction of the pressing plate.

Further, the sand box is a standard box-free sand box with a belt.

Furthermore, the casting bottom plate is provided with an exhaust groove and a concave block.

Furthermore, the beam and the fixed block are made of cast iron materials, and the pressing plate is made of steel structures.

Furthermore, the sand box and the pouring bottom plate are made of ductile iron or steel structural materials.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, convenient operation, crossbeam and sand box, the cooperation of pouring bottom plate through having the movable press plate, compress tightly the casting mould that will have the sand box with bolt and stud fastening structure, satisfy the weight needs of the different foundry goods casting moulds of assembly line, have satisfied result of use, prevent effectively that the foundry goods from lifting the case, warping the defect, improved foundry goods quality and production efficiency.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a schematic view of a cope flask casting;

FIG. 5 is a schematic view of a drag flask casting.

The casting device comprises a cross beam 1, a T-shaped groove 101, a pressure plate 2, a fixing block 3, a fastening screw 31, a sand box 4, a cope box 41, a drag box 42, a casting bottom plate 5, a concave baffle 51, a vent groove 52, a bolt-stud fastening mechanism 6, a stud 61, a bolt 62, a gasket 63, a hook 64, a movable box baffle 7, a casting mold 8, a cope box casting mold 81, a drag box casting mold 82, an air outlet sheet 83, an air outlet needle 84, a casting cavity 9, a sand core 10, a box buckle 11 and a sprue cup 12.

Detailed Description

The preferred embodiments of the weight fastening device and method for resin sand casting mold in production line according to the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the weight fastening device for resin sand casting mold in production line comprises 2 cross beams 1, 8 press plates 2 and 8 fixing blocks 3, 1 cope flask casting mold 81 and 1 drag flask casting mold, a pouring bottom plate, 4 steel bar movable box stoppers with diameter of 30mm and 2 groups of M28 bolt and stud fastening structures.

As shown in fig. 4 and 5, the positions of the 4 platens 2 on the cross member 1 are adjusted to face each casting cavity 9 according to the casting mold arrangement, and avoid the air outlet piece 83 or the air outlet needle 84 of the cope flask mold 81. The beam 1 with the pressing plate 2 is respectively arranged at two sides of the pouring

cup

12, and 2 groups of bolt and stud fastening structures 6 with hooks 64 are used for uniformly prying the beam 1, the pressing plate 2 and two sides of the pouring bottom plate 5.

Wherein, 2 crossbeams 1 are close to the pouring basin 12, which is favorable for reducing the concentrated lifting box of the casting mould at the sprue during pouring.

Wherein, 8 pressing plates 2 are just opposite to the casting cavity 9, and the distance between the pressing plates and the surface of the casting mould 81 of the cope flask is not more than 1mm, so that the pressing plates 2 are ensured to be in direct contact with the casting mould, and the casting is prevented from lifting the casting.

Wherein, the appearance of the beam 1 is in a long strip shape, and the inner cavity is in a T-shaped groove shape.

Wherein, fixed block 3 is the cubic of T type, through fastening screw 31 with fixed block 3 and clamp plate 2 fixed connection.

Wherein the fixed block 3 is matched with the T-shaped groove 101 of the beam 1, and the matching clearance is l-2 mm.

The movable box baffle 7 is a steel bar with the diameter of 30mm, is pre-embedded in the upper sand box casting mold 81 during molding and is vertical to the horizontal direction of the pressure plate 2, and the rigidity of the upper sand box casting mold 81 is improved.

Wherein the cope and drag flasks 4 are standard boxless drag flasks and have length, width, height and inner dimensions of 1400 mm x 1200 mm x 250 mm.

The casting bottom plate 5 is provided with an exhaust groove 52 and a concave stopper 51.

Wherein, crossbeam 1, fixed block 3 are cast iron material, and clamp plate 2 is 80 square steel tube material 80.

Wherein, the sand box 4 and the pouring bottom plate 5 are made of ductile iron materials.

Wherein the maximum size of the exhaust pipe casting is 550mm multiplied by 200mm multiplied by 180mm, the average wall thickness is 6mm, and the weight is 20 kg.

The embodiment of the utility model provides a specifically be applied to the blast pipe foundry goods production of 8 pieces of assembly line resin sand mould, its molding mould assembling and the method that the weight fastens, including following step:

1. placing the cope flask 41 on an upper molding template, pre-embedding 4 phi 30 steel bar movable box baffles 7 in a casting mold during sand casting and molding, and curing and stripping;

2. placing the drag flask 42 on the upper molding plate, placing sand, molding, curing and stripping;

3. trimming the cope flask casting 81 and the drag flask casting 82, flow coating and baking the casting 8;

4. placing the drag flask casting 82 on a pouring bottom plate 5 of the production line, and placing the sand core 10 in the cavity of the drag flask casting 82;

5. closing the upper sand box casting 81 to the lower sand box casting 82 according to the box closing pin, and adding the sprue cup 12 and the sand box buckle 11 for fastening to complete the box closing operation process;

6. according to the arrangement of casting mold cavities, the pressure plate 2 on the beam 1 is adjusted to be directly opposite to and pressed on the casting mold cavity 9, and an air outlet sheet 83 and an air outlet needle 84 of a cope flask casting mold 81 are avoided;

7. respectively placing 2 cross beams 1 with 4 pressing plates 2 on two sides of a pouring cup 12;

8. and uniformly prying the 2 groups of bolt and stud fastening structures 6 on two sides of the beam 1 and the pouring bottom plate 5 respectively to finish the operation procedure of fastening the weight.

The utility model discloses a position of adjustment crossbeam 1 top board 2 can satisfy the weight fastening needs of many varieties foundry goods casting mould, uses convenient operation, has guaranteed the foundry goods quality, has satisfied the production needs of assembly line resin sand casting mould.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. The utility model provides a weight fastener for assembly line resin sand casting mould which characterized in that: the device comprises a cross beam (1), pressure plates (2), fixing blocks (3), sand boxes (4), a pouring bottom plate (5), a movable box baffle (7) and bolt stud fastening structures (6), wherein at least 2 groups of bolt stud fastening structures (6) are arranged on one sides of the cross beam (1), the sand boxes (4) and the pouring bottom plate (5), the pressure plates (2) can move along a T-shaped groove (101) of the cross beam (1) through the fixing blocks (3), the fixing blocks (3) are fixedly connected with the pressure plates (2) through fastening screws (31), the pressure plates (2) are directly pressed on a casting cavity (9) and avoid an air outlet sheet (83) or a riser of an upper casting mold (81), and the bolt stud fastening structures (6) comprise bolts (62), studs (61), gaskets (63) and hooks (64), wherein the cross beam (1), the pressure plates (2) and the sand boxes (4), The pouring bottom plate (5) is matched, and the casting mould (8) with the sand box (4) is pressed tightly by a bolt and stud fastening structure (6).

2. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: one end of the stud (61) is in a hook shape and is tightly hung on the concave stop (51) of the pouring bottom plate (5).

3. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the press plates (2) are opposite to the casting cavity (9), and the distance between the press plates and the surface of the cope flask casting mold (81) is less than or equal to 1 mm.

4. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the beam (1) is in a strip shape in appearance, and the inner cavity is in a T-shaped groove shape.

5. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the fixed block (3) is in a T-shaped block shape.

6. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the fixing block (3) is matched with the T-shaped groove (101) of the cross beam (1), and the matching clearance is 1-2 mm.

7. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the movable box baffle (7) is a rigid support and is pre-embedded in the upper sand box casting mould (81) during molding and is vertical to the horizontal direction of the pressure plate (2).

8. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the sand box (4) is a standard box-free sand box with a belt.

9. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the casting bottom plate (5) is provided with an exhaust groove (52) and a concave stop (51).

10. The compacted iron fastening device for resin sand molds of assembly lines according to claim 1, wherein: the beam (1) and the fixing block (3) are made of cast iron materials, and the pressing plate (2) is made of steel structure materials.