CN210023678U

CN210023678U - Casting sand box

Info

Publication number: CN210023678U
Application number: CN201920619678.6U
Authority: CN
Inventors: 董满林; 康雷宇; 贾小斌
Original assignee: Shanxi Hantong Xinyu Science And Technology Co Ltd
Current assignee: Shanxi Hantong Xinyu Science And Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-02-07
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a casting sand box, which comprises an upper box body and a lower box body, wherein an upper positioning plate is fixedly arranged on the side end face of the upper box body, a lower positioning plate is fixedly arranged on the side end face of the lower box body, through holes are respectively arranged on the upper positioning plate and the lower positioning plate, an upper locking block is fixedly connected with the side end face of the upper box body below the upper positioning plate, a lower locking block is fixedly connected with the side end face of the lower box body above the lower positioning plate, a connecting locking rod is inserted between the through holes of the upper positioning plate and the lower positioning plate, a groove is arranged on the outer surface of one end of the connecting locking rod, a locking bayonet with the opening from large to small is also arranged on the connecting locking rod in the middle of the groove, and the tail ends of the upper locking block and the lower locking block are respectively and tightly matched with the minimum position of the corresponding locking bayonet, the utility model has, the fastening time is saved, and the working efficiency is greatly improved.

Description

Casting sand box

Technical Field

The utility model relates to a casting technical field, a casting sand box very much.

Background

The casting flask is one of the most commonly used pieces of equipment that serves to support the molding sand. The sand box is used for casting production, has great advantages in the production of middle and small castings, is widely applied, and the prior sand box mostly adopts common stud bolts for box closing connection, and the connection mode has the following two problems in practical application, namely (1) the thread part of the bolt is easy to damage, and the thread part is easy to damage because the phenomena of collision, beating and the like are difficult to avoid in work, the light person affects the normal use, the irregular maintenance is needed, the thread is maintained by using the screw die, the heavy person is scrapped, and unnecessary loss and waste are caused, and (2) the phenomenon of casting box dislocation and scrapping is easy to generate. Because the rigidity of the steel plate welded sand box is poor, a positioning mechanism is not arranged on the box closing surface, the box closing process completely depends on the visual inspection of the experience of operators, and the phenomenon of box error is easily caused under the condition of improper operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a casting sand box can satisfy the production demand completely, has practiced thrift a large amount of stud and supporting instrument, saves fastening time, has improved work efficiency greatly.

In order to achieve the above object, the utility model provides a following technical scheme: a casting sand box comprises an upper box body and a lower box body, wherein a horizontal upper positioning plate is fixedly arranged on the vertical side surface of the upper box body, the side of the lower box body and the side of the upper box body at the same side are fixedly provided with a horizontal lower positioning plate, the upper positioning plate and the lower positioning plate are horizontally corresponding, the upper positioning plate and the lower positioning plate are provided with through holes which vertically correspond to each other, the side of the upper box body below the upper positioning plate is fixedly connected with an upper locking block, the side of the lower box body above the lower positioning plate is fixedly connected with a lower locking block, the upper locking block and the lower locking block are horizontally vertically corresponding to each other, a connecting locking rod is inserted into the through holes of the upper positioning plate and the lower positioning plate, the outer surface of the middle part of the connecting locking rod is provided with a notch along the axial direction, the middle part of the notch is provided with a locking bayonet communicated with the notch, and the right end of the upper locking block and the right end of the lower locking block are respectively.

In order to ensure the using effect, the centers of the through holes between the upper positioning plate and the lower positioning plate are positioned on the same vertical straight line.

And a limiting plate is fixedly arranged on the vertical side surface of the lower box body below the lower positioning plate, and the upper plane of the limiting plate is in close contact with the bottom of the connecting locking rod.

The upper positioning plate, the lower positioning plate, the upper locking block and the lower locking block are welded with the upper box body and the lower box body together to form an integral structure.

The end heads of the upper locking block and the lower locking block are matched with the slot.

The locking bayonet is in a circular or square shape with a large inner opening and a small outer opening and is in an inclined plane shape, and the locking bayonet is correspondingly matched with the end part of the lower locking block of the upper locking block.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses compact structure, convenient to use can satisfy the production demand completely, has practiced thrift a large amount of stud and supporting instrument, has avoided the easy impaired and easy foundry goods case condemned phenomenon that produces of bolt screw thread part, saves fastening time, has improved work efficiency greatly, has good economic benefits and social, suitable using widely.

Drawings

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

fig. 2 is a schematic view of the structure of the locking rod of the present invention.

In the figure: 1. an upper box body; 2. a lower box body; 3. an upper positioning plate; 4. a through hole; 5. connecting a locking rod; 6. locking the bayonet; 7. a lower positioning plate; 8. a limiting plate; 9. an upper locking block; 10. a lower locking block; 11. and (4) slotting.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model provides a technical solution: a casting sand box comprises an upper box body 1 and a lower box body 2, wherein a horizontal upper positioning plate 3 is fixedly arranged on the vertical side surface of the upper box body 1, a horizontal lower positioning plate 7 is fixedly arranged on the side surface of the lower box body 2 on the same side with the upper box body, the upper positioning plate 3 is horizontally and horizontally corresponding to the lower positioning plate 7, through holes 4 which are vertically corresponding are formed in the upper positioning plate 3 and the lower positioning plate 7, an upper locking block 9 is fixedly connected to the side surface of the upper box body 1 below the upper positioning plate 3, a lower locking block 10 is fixedly connected to the side surface of the lower box body 2 above the lower positioning plate 7, the upper locking block 9 is horizontally and vertically corresponding to the lower locking block 10 in the transverse direction, a connecting locking rod 5 is inserted in the through holes 4 of the upper positioning plate 3 and the lower positioning plate 7, a slot 11 is axially formed in the outer surface of the middle part of the connecting locking rod 5, a locking bayonet 6 communicated, the right ends of the upper locking block 9 and the lower locking block 10 are respectively and correspondingly arranged in the locking bayonet 6 to be tightly wedged together.

In order to guarantee the result of use, through-hole 4 center between upper locating plate 3 and the lower locating plate 7 is in from top to bottom on the same straight line, still fixed mounting has limiting plate 8 on the lower 2 vertical side of box of lower locating plate 7 below, planar and hookup locking lever 5 bottom in close contact with on the limiting plate 8, upper locating plate 3, lower locating plate 7, upper locking piece 9 and lower locking piece 10 and upper box 1 and lower box 2 welding together constitute an organic whole structure, upper locking piece 9 agrees with mutually with fluting 11 end and lower locking piece 10 end and fluting 11, the locking bayonet socket for the circular or square of the big outer mouthful of big inclined plane form of internal orifice, agree with the locking piece tip correspondence under the upper locking piece.

During specific implementation, the upper box body 1 and the lower box body 2 are positioned with the model bottom plate through the upper positioning plate 3 and the lower positioning plate 7, so that the position of a cavity and the position of a sand box are relatively fixed, the connecting locking rod 5 is inserted into the through holes 4 of the upper positioning plate 3 and the lower positioning plate 7 during box closing, the slot 11 on the connecting locking rod 5 is matched with the upper locking block 9 and the lower locking block 10, the upper box body 1 and the lower box body 2 are positioned, and after the connecting locking rod 5 is inserted to the bottom, the connecting locking rod 5 is rotated, so that the minimum opening of the locking bayonet 6 in the middle position of the connecting locking rod 5 is tightly matched with the upper locking block 9 and the lower locking block 10, the purpose of connecting and locking the upper box body 1 and the lower box body 2 is achieved, and the phenomenon that a bolt thread part is easily damaged and a casting box is easily scrapped.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, with the obvious technical advantages over the prior art.

Claims

1. A casting sand box comprises an upper box body (1) and a lower box body (2), and is characterized in that a horizontal upper positioning plate (3) is fixedly installed on the vertical side face of the upper box body (1), a horizontal lower positioning plate (7) is fixedly installed on the side face of the lower box body (2) on the same side with the upper box body, the upper positioning plate (3) horizontally corresponds to the lower positioning plate (7) in the transverse direction, through holes (4) which vertically correspond to each other are formed in the upper positioning plate (3) and the lower positioning plate (7), an upper locking block (9) is fixedly connected to the side face of the upper box body (1) below the upper positioning plate (3), a lower locking block (10) is fixedly connected to the side face of the lower box body (2) above the lower positioning plate (7), the upper locking block (9) horizontally corresponds to the lower locking block (10) in the transverse direction, and a locking rod (5) is inserted and connected into the through holes (4) of the upper positioning plate (, the outer surface of the middle part of the connecting locking rod (5) is provided with a groove (11) along the axial direction, the connecting locking rod (5) at the middle part of the groove (11) is provided with a locking bayonet (6) communicated with the groove, and the right ends of the upper locking block (9) and the lower locking block (10) are respectively and tightly combined with the corresponding inner part of the locking bayonet (6).

2. The casting flask of claim 1, wherein: the centers of the through holes (4) between the upper positioning plate (3) and the lower positioning plate (7) are positioned on the same straight line from top to bottom.

3. The casting flask of claim 1, wherein: a limiting plate (8) is fixedly mounted on the vertical side face of the lower box body (2) below the lower positioning plate (7), and the upper plane of the limiting plate (8) is in close contact with the bottom of the connecting locking rod (5).

4. The casting flask of claim 1, wherein: the upper positioning plate (3), the lower positioning plate (7), the upper locking block (9) and the lower locking block (10) are welded with the upper box body (1) and the lower box body (2) to form an integral structure.

5. The casting flask of claim 1, wherein: the ends of the upper locking block (9) and the lower locking block (10) are matched with the slot (11).

6. The casting flask of claim 1, wherein: the locking bayonet (6) is in a circular or square shape with a large inner opening and a small outer opening and is in an inclined plane shape, and is correspondingly matched with the end part of the lower locking block (10) of the upper locking block (9).