CN218109319U

CN218109319U - Locking device for casting sand box

Info

Publication number: CN218109319U
Application number: CN202222244243.2U
Authority: CN
Inventors: 来光祖; 邓平盛; 周怡; 王俣; 吴万杰; 袁英浩
Original assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Current assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-23
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a casting sand box locking device, which comprises a casting platform, wherein lifting rings are connected at four corners of the top of the casting platform, a sand box main body is installed at the center of the top of the casting platform, a pressing plate is installed at the top of the sand box main body, a pressing frame is installed at the top of the pressing plate, fixing rings are connected at the front end and the rear end of the pressing frame, and turnbuckles are installed between the fixing rings and the lifting rings; the utility model has the advantages of reasonable design, it is convenient to lock the dismantlement, can realize dismantling through the elasticity of adjusting turnbuckle.

Description

Locking device for casting sand box

Technical Field

The utility model relates to a casting equipment technical field specifically is a casting sand box locking device.

Background

Sand casting generally requires a sand box for production. In sand mold low pressure casting, because the box lifting force is large, in order to avoid the box lifting from running out, a weight is generally required to be added on the top of the cover box, and the box lifting force is overcome by the weight of the weight. Or, locking blocks are arranged on the cover box and the bottom box of the sand box and are locked through screw nuts. The weight of the weight-reducing iron is large, so that the sand box and the sand mould are deformed, even the sand falls off from the sand mould, and the quality problem is caused. The locking mechanism is added on the sand box, the universality is poor, a corresponding special locking block needs to be designed for each sand box, the processing and the production are troublesome, a large number of nuts need to be screwed in each production, and the work is complicated. To this end, we propose a locking device for a casting flask.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a casting sand box locking device need not to increase weight of weight to overcome and lift the case power.

In order to realize the technical purpose, the technical effect is achieved, the utility model provides a following technical scheme:

the utility model provides a casting sand box locking device, includes the casting platform, the top four corners connection of casting platform has rings, the sand box main part is installed at the top center of casting platform, the clamp plate is installed at the top of sand box main part, the pressure frame is installed at the top of clamp plate, both ends are connected with solid fixed ring around the pressure frame, install the turn buckle between solid fixed ring and the rings.

Preferably, in the locking device of the casting sand box, the turnbuckle comprises a U-shaped rod, a nut seat is welded at the transverse end of the U-shaped rod, a screw rod and a ladder cylinder are connected to the inner wall of the nut seat in a threaded manner, the screw rod is far away from the nut seat, the ladder cylinder is welded to the end, away from the screw rod, of the outer wall of the ladder cylinder, a sleeve is connected to the outer wall of the ladder cylinder in a rotating manner, a lifting hook is welded to the upper end of the sleeve, and the screw rod is close to the end of the sleeve and is connected with a stop block.

Preferably, in the locking device for the casting sand box, a limit groove is formed in the center of the top of the casting platform, and the lower end of the sand box main body abuts against the bottom wall of the limit groove.

Preferably, in the casting sand box locking device, the sand box main body is formed by stacking four sand box split bodies, the left side and the right side of the top of each sand box split body are connected with the positioning columns, and the left side and the right side of the bottom of each sand box split body are provided with the limiting holes.

Preferably, in the locking device for the casting sand box, a plurality of yielding ports are formed in the top of the pressure plate along the left-right direction, assembling holes are formed in the left side and the right side of the bottom of the pressure plate, and the positioning columns on the upper side stretch into the assembling holes.

Preferably, in the locking device for the casting sand box, the depth of the abdicating opening and the depth of the assembling hole are both smaller than the thickness of the pressing plate, and the assembling hole is staggered at the abdicating opening.

Preferably, in the locking device for the casting sand box, a projection is connected to the bottom of the pressing frame, the projection extends into the allowance opening, and the length of the pressing frame is greater than the width of the sand box main body.

The utility model has the advantages that:

1. the utility model has reasonable structural design and convenient locking and dismounting, and can realize the dismounting by adjusting the tightness of the turnbuckle;

2. the utility model has strong universality, and as long as the installation distance of the hanging rings is large enough, one set of locking device can be suitable for the production of sand boxes with any size;

3. the utility model discloses part simple structure, it is convenient to make, and is with low costs.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some examples of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of a turn buckle according to the present invention;

fig. 4 is a schematic structural view of the middle pressure frame of the present invention;

fig. 5 is a schematic structural view of the split middle sand box of the present invention.

In the figure: 1. pressing the frame; 2. pressing a plate; 3. a flask main body; 4. a turnbuckle; 5. a hoisting ring; 6. casting the platform; 7. a fixing ring; 11. a bump; 21. a let position port; 22. an assembly hole; 31. the sand boxes are separated; 32. a positioning column; 33. a limiting hole; 41. a U-shaped rod; 42. a nut seat; 43. a screw; 44. a stepped cylinder; 45. a sleeve; 46. a hook; 47. a stopper; 61. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment is a casting sand box locking device, which includes a casting platform 6, lifting rings 5 connected to four corners of the top of the casting platform 6, a sand box main body 3 installed at the top center of the casting platform 6, a pressing plate 2 installed at the top of the sand box main body 3, a pressing frame 1 installed at the top of the pressing plate 2, fixing rings 7 connected to the front and rear ends of the pressing frame 1, turnbuckles 4 installed between the fixing rings 7 and the lifting rings 5, and more than two pressing frames 1 may be installed as required.

The turnbuckle 4 comprises a U-shaped rod 41, a nut seat 42 is welded at the transverse end of the U-shaped rod 41, a screw 43 is in threaded connection with the inner wall of the nut seat 42, a stepped cylinder 44 is welded at one end, away from the two screw 43, of the two screw 43, a sleeve 45 is connected to the outer wall of the stepped cylinder 44 in a rotating mode, a lifting hook 46 is welded at the upper end of the sleeve 45, a stop 47 is connected to one end, close to the two screw 43, of the two screw 43, the length of the screw 43 extending out of the nut seat 42 can be adjusted by rotating the stop 47, the total length of the turnbuckle 4 is adjusted, and the hanging ring 5 and the fixing ring 7 are conveniently connected and locked.

Limiting groove 61 has been seted up at the top center of casting platform 6, and the lower extreme butt limiting groove 61 diapire of sand box main part 3, and sand box main part 3 is piled up by four sand box components of a whole that can function independently 31 and forms, and the top left and right sides of sand box components of a whole that can function independently 31 is connected with reference column 32, and spacing hole 33 has been seted up to the bottom left and right sides of sand box components of a whole that can function independently 31, and simple to operate avoids translocation during the casting shaping.

A plurality of let position mouths 21 have been seted up along the left and right direction in the top of clamp plate 2, and the pilot hole 22 has been seted up to the bottom left and right sides of clamp plate 2, and upside reference column 32 stretches into pilot hole 22, avoids sliding on sand box main part 3, and stability is good.

Let a mouthful 21 degree of depth and the pilot hole 22 degree of depth all be less than clamp plate 2 thickness, let a mouthful 21 position staggered pilot hole 22 setting, the structure sets up rationally.

The bottom of the pressing frame 1 is connected with a convex block 11, the convex block 11 extends into the position-giving opening 21, the length dimension of the pressing frame 1 is larger than the width dimension of the sand box main body 3, and the slipping and jumping are avoided.

The utility model discloses a concrete implementation way does:

when the device is used, the casting platform 6 is arranged on a plane, the sand box main body 3 is lifted to the casting platform 6 before casting production, then the pressing plate 2 is placed on the sand box main body 3, the stress area of the sand box main body 3 is increased, the deformation of the sand box and a sand mold is reduced, two or more pressing frames 1 are installed at the top of the pressing plate 2, the fixing ring 7 and the lifting ring 5 at the corresponding position are connected through the turnbuckle 4, the length of the screw 43 extending out of the nut seat 42 can be adjusted by rotating the stop block 47 on the turnbuckle 4, the total length of the turnbuckle 4 is adjusted, the sleeve 45 can rotate on the stepped cylinder 44, the angle of the lifting hook 46 can be adjusted conveniently, when the height of the sand box main body 3 is too high, and the length of one turnbuckle 4 is not enough, the turnbuckles 4 can be connected with each other for use, so that the lifting ring 5 and the fixing ring 7 are connected and locked without increasing the weight of a weight iron press to overcome the box lifting force;

after casting production, through dog 47 on the contrarotation turnbuckle 4, adjust the length of turnbuckle 4 and relax, be convenient for tear open turnbuckle 4, can divide the sand box components of a whole that can function independently 31 progressively split after clamp plate 2 breaks away from with pressure frame 1, be convenient for take out the casting product.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a foundry sand box locking device, includes casting platform (6), its characterized in that: the top four corners of casting platform (6) is connected with rings (5), sand box main part (3) are installed at the top center of casting platform (6), clamp plate (2) are installed at the top of sand box main part (3), pressure frame (1) is installed at the top of clamp plate (2), both ends are connected with solid fixed ring (7) around pressure frame (1), install basket screw (4) between solid fixed ring (7) and rings (5).

2. A locking device for a casting flask according to claim 1, wherein: turnbuckle (4) are including U-shaped pole (41), the horizontal end welding of U-shaped pole (41) has nut seat (42), nut seat (42) inner wall threaded connection has screw rod (43), two ladder cylinder (44) have all been welded to the one end that screw rod (43) kept away from mutually, the outer wall of ladder cylinder (44) is rotated and is connected with sleeve (45), the upper end welding of sleeve (45) has lifting hook (46), two the one end that screw rod (43) are close to mutually all is connected with dog (47).

3. A locking device for a casting flask according to claim 1, wherein: a limiting groove (61) is formed in the center of the top of the casting platform (6), and the lower end of the sand box main body (3) is abutted to the bottom wall of the limiting groove (61).

4. A locking device for a casting flask according to claim 1, wherein: the sand box main body (3) is formed by stacking four sand box split bodies (31), positioning columns (32) are connected to the left side and the right side of the top of each sand box split body (31), and limiting holes (33) are formed in the left side and the right side of the bottom of each sand box split body (31).

5. The locking device for a casting flask according to claim 4, wherein: a plurality of let position mouths (21) have been seted up along the left and right sides at the top of clamp plate (2), pilot hole (22) have been seted up to the bottom left and right sides of clamp plate (2), upside reference column (32) stretch into pilot hole (22).

6. A locking device for a casting flask according to claim 5, wherein: let a mouthful (21) degree of depth and pilot hole (22) degree of depth all be less than clamp plate (2) thickness, let a mouthful (21) position pilot hole (22) setting of staggering.

7. The locking device for a casting flask according to claim 5, wherein: the bottom of the pressure frame (1) is connected with a convex block (11), the convex block (11) extends into the yielding port (21), and the length dimension of the pressure frame (1) is larger than the width dimension of the sand box main body (3).