CN220943101U

CN220943101U - Sand casting device

Info

Publication number: CN220943101U
Application number: CN202322932519.0U
Authority: CN
Inventors: 屈宏生; 裴延国; 江素锋; 张龙非
Original assignee: Chenggong Precision Machinery Technology Hebei Co ltd
Current assignee: Chenggong Precision Machinery Technology Hebei Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-05-14
Anticipated expiration: 2033-10-31

Abstract

The utility model provides a sand casting device, and relates to the technical field of sand casting devices. The sand casting device comprises a frame, two rotating plates, two hollow sand boxes, a middle template and a plugging plate; the two rotating plates are arranged on the rack at intervals and can rotate; the two hollow sand boxes are arranged between the two rotating plates in a relatively movable manner and are used for separating and closing the boxes; the middle template is detachably arranged between the two rotating plates, is positioned between the two hollow sand boxes and is provided with an upper half type and a lower half type; the plugging plate is detachably arranged between the two rotating plates and is used for plugging the lower opening of the hollow sand box before pouring. The sand casting device solves the technical problem that excessive manual participation is needed to cause production to be time-consuming and labor-consuming when two sand boxes are used for casting.

Description

Sand casting device

Technical Field

The utility model relates to the technical field of sand casting devices, in particular to a sand casting device.

Background

During sand casting, the lower half mould is firstly placed on a flat plate, a sand box is placed for filling sand, compacting and strickling are carried out, the lower mould is manufactured, the manufactured sand mould is turned over for 180 degrees, the upper half mould is placed, a parting agent is scattered, a sand box is placed, the sand box is filled with sand, compacting and strickling are carried out, the sand box is turned over for 180 degrees, the upper half mould and the lower half mould are respectively taken out, the upper mould is turned over for 180 degrees, the lower mould is combined, and the sand mould is manufactured and waits for casting; this set of process is commonly known as "foundry".

As described above, when sand casting is performed using two sand boxes, excessive manual participation in operations such as placing, turning, demolding, and parting/joining is required, resulting in time and effort for sand casting.

The present inventors found at least the following problems in the implementation of the present embodiment:

when two sand boxes are used for casting, excessive manual participation is needed, so that the production is time-consuming and labor-consuming.

Disclosure of utility model

The utility model aims to provide a sand casting device, which solves the technical problems that excessive manual participation is needed to cause time and labor waste in production when two sand boxes are used for casting.

The utility model adopts the scheme that:

The utility model provides a sand casting device, which comprises a frame, two rotating plates, two hollow sand boxes, a middle template and a plugging plate, wherein the two rotating plates are arranged on the frame; the two rotating plates are arranged on the rack at intervals and can rotate; the two hollow sand boxes are arranged between the two rotating plates in a relatively movable manner and are used for separating and closing the boxes; the middle template is detachably arranged between the two rotating plates, is positioned between the two hollow sand boxes and is provided with an upper half type and a lower half type; the plugging plate is detachably arranged between the two rotating plates and is used for plugging the lower opening of the hollow sand box before pouring.

Further, two ends of the two hollow sand boxes are respectively provided with a connecting part, and the connecting parts at the two ends are respectively connected with the two rotating plates in a sliding way; two bi-directional lead screws are respectively arranged on the two rotating plates and are respectively connected with the connecting parts at the same ends of the two hollow sand boxes in a transmission mode.

Furthermore, sliding holes are formed in the two rotating plates, the connecting portions penetrate through the sliding holes in a sliding mode, and the bidirectional screw rod is in transmission connection with the protruding ends of the connecting portions after penetrating through the connecting portions.

Further, the middle die plate is slidably inserted between the two rotating plates.

Furthermore, the inner sides of the two rotating plates are respectively provided with a corresponding groove plate, and two ends of the middle die plate are respectively inserted between the two groove plates in a sliding way.

Further, the plugging plate is slidably inserted between the two rotating plates.

Further, the inside position that is close to both ends of rotor plate is equipped with the groove piece respectively, two the rotor plate the groove piece is corresponding, the both ends of shutoff board are respectively sliding insert and are located two the groove piece between the rotor plate.

Further, the device also comprises a vibrator, wherein the vibrator is arranged on at least one side of the middle template.

Further, the device also comprises a knocker, wherein the knocker is arranged on the middle template and/or at least one hollow sand box and is used for knocking the middle template so as to facilitate box separation and demolding.

The beneficial effects are that:

The utility model provides a sand casting device, wherein an upper half mould and a lower half mould adopt a middle mould structure of an integrated mould closing, and the mould is released once when the device is used each time; the two hollow sand boxes are arranged between the two rotating plates and can move relatively, so that the two hollow sand boxes can automatically perform operations such as box turning, box separation and demoulding, box closing and the like; therefore, compared with the prior art, the device does not need excessive manual participation when carrying out sand casting, thereby saving time and labor for sand casting.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a sand casting device according to the embodiment from a front perspective;

fig. 2 is a schematic structural view of the sand casting device according to the embodiment from a back view;

fig. 3 is a front view of the sand casting apparatus provided in the present embodiment;

fig. 4 is a rear view of the sand casting apparatus provided in this embodiment.

Icon:

10-a frame;

20-rotating plate; 21-slide hole;

30-a hollow sand box; 31-a connection;

40-middle template; 41-upper half; 42-lower half;

50-a bidirectional screw rod; 60-groove plates; 70-groove blocks; 80-vibrator.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, all other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are intended to be within the scope of the utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

The embodiment provides a sand casting device, please refer to fig. 1-4, which comprises a frame 10, two rotating plates 20, two hollow sand boxes 30, a middle template 40 and a plugging plate; the two rotating plates 20 are rotatably arranged on the frame 10 at intervals; the two hollow sand boxes 30 are relatively movably arranged between the two rotating plates 20 and are used for separating and assembling boxes; the middle template 40 is detachably arranged between the two rotating plates 20 and between the two hollow sand boxes 30, and is provided with an upper half-mould 41 and a lower half-mould 42; the plugging plate is detachably disposed between the two rotating plates 20, and is used for plugging the lower opening of the hollow sand box 30 before casting.

Specifically, the two rotating plates 20 are pivotally mounted on the frame 10 through a shaft, and are automatically turned over through a motor with one side connected with the shaft; the upper half and the lower half adopt a middle template 40 structure of an integrated die assembly, and the die is put once when in use; the two hollow sand boxes 30 are arranged between the two rotating plates 20 and can vertically and relatively move, and the two hollow sand boxes can automatically turn over, separate boxes and demold and close the boxes; therefore, compared with the prior art, the device does not need excessive manual participation when carrying out sand casting, thereby saving time and labor in sand casting production.

In this embodiment, the two ends of the hollow sand boxes 30 are respectively provided with a connecting portion 31, and the connecting portions 31 at the two ends are respectively slidably connected to the two rotating plates 20; the two rotating plates 20 are respectively provided with a bidirectional screw rod 50, and the bidirectional screw rods 50 are respectively connected with the connecting parts 31 at the same ends of the two hollow sand boxes in a transmission way.

Specifically, the bidirectional wire cylinder is pivotally mounted on the rotating plate 20 and is in transmission connection with the connecting part 31 of the sand box through a nut structure; by means of the bidirectional screw 50, the two hollow flasks 30 can be moved closer to each other or separated from each other.

In this embodiment, the two rotating plates 20 are provided with slide holes 21, the connecting portion 31 is slidably disposed through the slide holes 21, and the bidirectional screw 50 is in driving connection with the protruding end of the connecting portion 31.

Specifically, the connection parts 31 at both ends of the hollow flask 30 slide and protrude from the slide holes 21 provided on the two rotating plates 20 for driving connection with the bi-directional screw 50.

In this embodiment, the middle die plate 40 is slidably inserted between the two rotating plates 20.

Specifically, the middle templates 40 are connected in a sliding and inserting manner, so that disassembly and assembly are convenient, and different middle templates 40 can be replaced.

In this embodiment, corresponding groove plates 60 are respectively disposed on the inner sides of the two rotating plates 20, and two ends of the middle mold plate 40 are respectively slidably inserted between the two groove plates 60.

Specifically, one end of the slot plate 60 or the middle mold plate 40 is provided with a limiting structure for limiting the middle mold plate 40 inserted in place.

In this embodiment, the plugging plate is slidably inserted between the two rotating plates 20.

Specifically, a plugging plate (not shown) is used to seal the bottom opening of the lower case before casting, and a sliding insertion structure is used to remove the plugging plate from the groove block 70 of the rotating plate 20 after casting, so as to rapidly guide out molding sand and castings.

In this embodiment, the inside of the rotating plate 20 is provided with groove blocks 70 near two ends, the groove blocks 70 of the two rotating plates 20 correspond to each other, and two ends of the plugging plate are slidably inserted into the groove blocks 70 between the two rotating plates 20.

Specifically, one end of the groove block 70 or the plugging plate is provided with a structure for limiting, which is used for limiting the plugging plate inserted in place.

In this embodiment, the device further includes a vibrator 80, where the vibrator 80 is disposed on at least one side of the middle mold plate 40.

Specifically, parting sand is scattered on the two molding surfaces of the middle mold plate 40, and the vibrator 80 is convenient for smoothly separating the upper hollow sand box 30 from the lower hollow sand box 30 after vibrating, thereby facilitating the mold taking.

In this embodiment, the mold assembly further includes a knocker, where the knocker is disposed on the middle mold plate 40 and/or at least one of the hollow sand boxes 30, and is used for knocking the middle mold plate 40 to facilitate the demolding of the separated mold.

Specifically, when the case is separated and demolded, a knocking device (the structure is not shown in the figure) can be used instead of the vibrator 80, the knocking device can be a cylinder, and the knocking device can be used for knocking the part such as a handle on the centering template 40, wherein the number, the installation position and the knocking position and direction of the knocking device can be flexibly adjusted.

Working principle: firstly, selecting and installing a middle template 40 according to the produced casting, and after the middle template is installed, respectively moving an upper hollow sand box 30 and a lower hollow sand box 30 to opposite directions through a bidirectional screw rod 50 to perform box assembling; after the mold closing, the molding sand is spread out in the upper hollow flask 30, then the molding sand is uniformly poured in, compacted and scraped by a pressing tool such as an air hammer, and then turned over, and the above operation is repeated for the upper lower hollow flask 30 and the runner gate is set; after the upper and lower hollow sand boxes 30 are molded, the middle template 40 is acted on by a vibrator 80 or a knocker directly or after the upper and lower hollow sand boxes 30 are slightly separated, and then the middle template 40 is detached after the box separation by respectively moving the two-way screw rods 50 in opposite directions for box separation; sealing the bottom of the upper hollow sand box 30 by a plugging plate after box closing, and then pouring by a pouring gate; and after casting molding, removing the plugging plate for box separation and shakeout to finally obtain the casting.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The sand casting device is characterized by comprising a frame (10), two rotating plates (20), two hollow sand boxes (30), a middle die plate (40) and a plugging plate;

the two rotating plates (20) are alternately and rotatably arranged on the frame (10);

the two hollow sand boxes (30) are arranged between the two rotating plates (20) in a relatively movable manner and are used for separating and closing the boxes;

The middle template (40) is detachably arranged between the two rotating plates (20), is positioned between the two hollow sand boxes (30), and is provided with an upper half type (41) and a lower half type (42);

The plugging plate is detachably arranged between the two rotating plates (20) and is used for plugging the lower opening of the hollow sand box (30) before casting.

2. A sand casting device according to claim 1, wherein two ends of the hollow sand boxes (30) are respectively provided with a connecting part (31), and the connecting parts (31) at two ends are respectively connected with the two rotating plates (20) in a sliding manner; two bi-directional lead screws (50) are respectively arranged on the two rotating plates (20), and the bi-directional lead screws (50) are respectively connected with the connecting parts (31) at the same ends of the two hollow sand boxes (30) in a transmission mode.

3. A sand casting device according to claim 2, characterized in that slide holes (21) are formed in the two rotating plates (20), the connecting portion (31) is slidably arranged in the slide holes (21), and the bidirectional screw (50) is in transmission connection with the protruding end of the connecting portion (31) after being arranged in a penetrating manner.

4. A sand casting device according to claim 1, characterized in that the intermediate die plate (40) is slidingly interposed between the two rotating plates (20).

5. A sand casting device according to claim 4, wherein the inner sides of the two rotating plates (20) are respectively provided with corresponding groove plates (60), and two ends of the middle die plate (40) are respectively inserted between the two groove plates (60) in a sliding manner.

6. A sand casting device according to claim 1, characterized in that the plugging plate is slidingly interposed between two rotating plates (20).

7. A sand casting device according to claim 6, wherein the inner sides of the rotating plates (20) are respectively provided with groove blocks (70) near two ends, the groove blocks (70) of the two rotating plates (20) are corresponding, and two ends of the plugging plate are respectively slidably inserted into the groove blocks (70) between the two rotating plates (20).

8. A sand casting device according to any one of claims 1-7, further comprising a vibrator (80), said vibrator (80) being arranged on at least one side of said intermediate die plate (40).

9. A sand casting apparatus according to any one of claims 1 to 7, further comprising a rapper provided to the intermediate pattern plate (40) and/or at least one of the hollow sand boxes (30) for rapping the intermediate pattern plate (40) for facilitating the split-box demolding.