CN210498283U

CN210498283U - Sand box for small castings

Info

Publication number: CN210498283U
Application number: CN201920848469.9U
Authority: CN
Inventors: 刘成刚
Original assignee: Zhangqiu Shengqun Foundry Machinery Factory
Current assignee: Zhangqiu Shengqun Foundry Machinery Factory
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-12
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to a casted technical field discloses a sand box for small-size foundry goods, and its technical scheme main points are including framework and lock last framework in framework down, the bottom fixedly connected with bearing board of framework down, fixedly connected with shaping core on the bearing board, shaping core is located down between the framework, hinge connection is passed through in one side of framework down to one side of going up the framework, it is equipped with locking Assembly to go up one side that the framework deviates from the hinge, one side that the framework deviates from the hinge down is equipped with the complex locking piece of pegging graft with locking Assembly. The utility model has the advantages of process small casting, save casting cost.

Description

Sand box for small castings

Technical Field

The utility model relates to a casted technical field, in particular to sand box for small-size foundry goods.

Background

The casting mold is used for obtaining the structural shape of the part, other easily-formed materials are used for forming the structural shape of the part in advance, then the part is placed into the mold, a cavity with the same structural size as the part is formed in the sand mold, then the fluid liquid is poured into the cavity, and the part with the same structural shape as the mold can be formed after the fluid liquid is cooled and solidified.

When a part is cast, a casting is usually matched with a special casting mold, so that the mold is required to be specially configured for the casting before casting, and for the casting which is small and has a small casting quantity, the independent configuration of the mold obviously wastes funds, which is not beneficial to saving the cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sand box for small-size foundry goods has and processes small-size foundry goods, saves casting cost's advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a sand box for small-size foundry goods, includes framework and lock last framework in framework down, the bottom fixedly connected with bearing plate of framework down, fixedly connected with shaping core on the bearing plate, shaping core is located under between the framework, one side of going up the framework is through hinge connection in one side of framework down, one side that goes up the framework and deviates from the hinge is equipped with locking Assembly, one side that the framework deviates from the hinge down is equipped with and pegs graft complex locking piece with locking Assembly.

Through adopting above-mentioned technical scheme, when carrying out the casting of small-size foundry goods, the staff with go up the framework lock under on the framework, utilize the cooperation locking assembly and locking piece to lock frame and lower framework simultaneously. And filling sand into the cavities facing the upper frame body and the lower frame body after locking, and performing casting process on the casting. The utility model discloses a structure is comparatively small and exquisite, and the casting process does not utilize mechanical equipment, can process miniature foundry goods, has avoidd the extravagant fund of independent die sinking, has the advantage of saving manufacturing cost.

Furthermore, the upper frame body and the lower frame body are symmetrical with each other about a horizontal plane, the upper frame body comprises a first enclosing plate, a second enclosing plate, a third enclosing plate, a fourth enclosing plate and a limiting rod, the second enclosing plate is parallel to the fourth enclosing plate, the same end of the second enclosing plate and the same end of the fourth enclosing plate are respectively provided with an inserting port, two ends of the first enclosing plate are respectively provided with an inserting block, the inserting blocks are inserted in the inserting ports, one end of the second enclosing plate, far away from the inserting ports, is provided with a hinge port, one end of the limiting rod is hinged in the hinge port, the other end of the limiting rod extends to the fourth enclosing plate, one end of the fourth enclosing plate, far away from the inserting ports, is provided with a locking port for accommodating the limiting rod, one end, far away from the hinge port, of the limiting rod is fixedly connected with a limiting block, when the limiting rod is positioned in the locking port, the limiting block is abutted against the outer side wall of the fourth enclosing plate, the third enclosing plate is parallel to the first enclosing plate, a limiting groove is formed in the position, right opposite to the plate body of the third enclosing plate, of the second enclosing plate and the fourth enclosing plate, and two ends of the third enclosing plate are embedded in the limiting groove.

Through adopting above-mentioned technical scheme, when needs utilized last framework and lower framework, the staff inserts first bounding wall and establishes between second bounding wall and fourth bounding wall, the restriction pole is rotated this moment, utilize the conflict power between restriction piece and the fourth bounding wall to realize locking, make first bounding wall, obtain the fastening between second bounding wall and the fourth bounding wall, insert the third bounding wall towards the restriction inslot after the fastening, first bounding wall, the second bounding wall, third bounding wall and fourth bounding wall form the space of casting. After the casting is accomplished, can dismantle last framework and lower framework to make the interior molding sand impurity of last framework and lower framework obtain comparatively thorough clearance.

Further, locking Assembly includes the fixed block, fixed block fixed connection is on the lateral wall of the first bounding wall of last framework, locking piece fixed connection is under on the lateral wall of the first bounding wall of framework, both set up relatively, it has the mounting groove to open on the fixed block, the vertical locking lever that is equipped with in the mounting groove, the locking lever passes mounting groove and directional locking piece, vertical opening has the fore shaft that supplies the locking lever to pass on the locking piece, transversely link up on the locking lever has spacing hole, when the locking lever passes the fore shaft, the lower surface with the locking piece is hugged closely at the top in spacing hole, and its inside is inserted and is equipped with the spacer pin.

Through adopting above-mentioned technical scheme, when locking, the staff moves the locking lever downwards for the locking lever passes the fore shaft, inserts the spacer pin towards spacing downthehole this moment, and the spacer pin keeps off in the locking piece below, with this locking between realization locking Assembly and the locking piece.

Further, the locking lever is located the one end fixedly connected with butt plate of mounting groove, it is equipped with the return pressure spring to press from both sides between the inside wall of butt plate and mounting groove, the return pressure spring cover is established on the locking lever.

Through adopting above-mentioned technical scheme, when needs opened the upper frame body, the staff extracted the spacer pin, and the elasticity of return pressure spring was released this moment, and this elasticity makes the butt plate shift up to make the locking lever move out the fore shaft automatically, efficiency when having improved the unblock.

Further, the butt plate has liftout cam from one side butt of locking lever, the dabber is worn to be equipped with at liftout cam's center, the dabber rotates to be connected in the mounting groove, it is equipped with the support frame to span on the mounting groove, the dabber passes the support frame and fixed cover is equipped with the rolling disc.

Through adopting above-mentioned technical scheme, the staff wrench movement rolling disc, and the rolling disc drives the dabber and rotates, and the dabber drives ejecting cam and rotates, and ejecting cam is contradicted to the butt joint board on to this makes ejecting cam can be with the ejecting fore shaft of locking lever. The staff can twist the rolling disc and lock, need not to stretch into in the mounting groove to staff's operating space has been improved.

Furthermore, at least two groups of locking assemblies and locking blocks are arranged along the length direction of the first enclosing plate.

Through adopting above-mentioned technical scheme, two sets of locking Assembly and locking piece cooperate each other, have further improved the fastening degree of last framework and lower framework when locking.

Furthermore, the outer side walls of the second enclosing plate and the fourth enclosing plate are fixedly connected with lifting strips respectively.

Through adopting above-mentioned technical scheme, the brace gives the impetus for the staff can open or close the frame more conveniently.

Furthermore, the second enclosing plate and the fourth enclosing plate of the upper frame body are fixedly connected with the supporting legs at the ends far away from the inserting ports, and when the upper frame body is opened, the supporting legs are supported on the ground.

Through adopting above-mentioned technical scheme, open from lower framework when last framework to when being in vertical state, the supporting leg supports subaerial, and the supporting leg can make and go up the framework and keep in vertical state, has reduced it and has produced crooked and make the possibility that the molding sand falls out.

To sum up, the utility model discloses following beneficial effect has: the utility model has the advantages of simple structure, and the casting process does not utilize mechanical equipment, can process miniature foundry goods, has avoidd the extravagant fund of independent die sinking, has the advantage of saving manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present invention;

fig. 2 is a schematic structural view for embodying the locking assembly.

In the figure, 1, a lower frame; 11. a support plate; 12. forming a mold core; 2. an upper frame body; 21. a first enclosing plate; 211. an insertion block; 22. a second enclosing plate; 23. a third coaming; 231. a limiting groove; 24. a fourth coaming; 25. a restraining bar; 251. a limiting block; 31. a locking block; 32. a fixed block; 321. mounting grooves; 33. a lock lever; 34. a butt joint plate; 35. a return pressure spring; 36. a spacing pin; 37. ejecting the cam; 38. a mandrel; 381. rotating the disc; 39. a support frame; 4. lifting the pull strip; 5. and (5) supporting legs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a sand box for small castings, referring to fig. 1, comprises a lower frame 1 and an upper frame 2 buckled on the lower frame 1, wherein a bearing plate 11 is fixedly connected to the bottom of the lower frame 1, a forming core 12 is fixedly connected to the bearing plate 11, and the forming core 12 is positioned between the lower frames 1. One side of the upper frame body 2 is connected to one side of the lower frame body 1 through a hinge, one side of the upper frame body 2, which is deviated from the hinge, is provided with a locking assembly, and one side of the lower frame body 1, which is deviated from the hinge, is provided with a locking block 31 (refer to fig. 2) which is in plug-in fit with the locking assembly.

Referring to fig. 1, during sand filling, a worker fastens the upper frame 2 to the lower frame 1, and then locks the upper frame 2 and the lower frame 1 by the locking assembly and the locking block 31. After the locking, the cavity facing the inside of the upper frame 2 and the lower frame 1 is filled with molding sand, thereby realizing the structure of the sand mold.

Referring to fig. 1, the upper frame 2 and the lower frame 1 are symmetrical to each other about a horizontal plane, and the upper frame 2 (the lower frame 1 and the upper frame 2 have the same structure) includes a first surrounding plate 21, a second surrounding plate 22, a third surrounding plate 23, a fourth surrounding plate 24, and a restricting rod 25. The second bounding wall 22 is parallel to the fourth bounding wall 24, and the bayonet socket has been opened respectively to the same end of second bounding wall 22 and fourth bounding wall 24, and the both ends branch of first bounding wall 21 is equipped with grafting piece 211, and grafting piece 211 pegs graft in the bayonet socket. The end of the second enclosing plate 22 far away from the inserting port is provided with a hinge port, one end of the limiting rod 25 is hinged in the hinge port, and the other end extends to the fourth enclosing plate 24. One end of the fourth surrounding plate 24, which is far away from the insertion port, is provided with a locking port for accommodating the limiting rod 25, one end of the limiting rod 25, which is far away from the hinge port, is fixedly connected with a limiting block 251, and when the limiting rod 25 is located in the locking port, the limiting block 251 abuts against the outer side wall of the fourth surrounding plate 24.

Referring to fig. 1, when the upper frame body 2 and the lower frame body 1 need to be used, a worker uses the cooperation of the insertion block 211 and the insertion port to insert the first enclosing plate 21 between the second enclosing plate 22 and the fourth enclosing plate 24, after the first enclosing plate 21, the second enclosing plate 22 and the fourth enclosing plate 24 enclose a "U" shape, the limiting rod 25 is rotated, the limiting rod 25 is inserted into the locking port, and at this time, the limiting block 251 abuts against the outer side wall of the fourth enclosing plate 24, so that the upper frame body 2 forms a square frame structure.

Referring to fig. 1, a third shroud 23 is positioned between the first shroud 21 and the restraining bar 25, the third shroud 23 being parallel to the first shroud 21. The second enclosing plate 22 and the fourth enclosing plate 24 are provided with a limiting groove 231 at the plate body part opposite to the third enclosing plate 23, and two ends of the third enclosing plate 23 are embedded in the limiting groove 231. The areas formed between the first surrounding plate 21, the second surrounding plate 22, the third surrounding plate 23 and the fourth surrounding plate 24 are used for filling molding sand, and the molding core 12 is located between the first surrounding plate 21, the second surrounding plate 22, the third surrounding plate 23 and the fourth surrounding plate 24.

Referring to fig. 1, the outer side walls of the second enclosing plate 22 and the fourth enclosing plate 24 are fixedly connected with the lifting strips 4, the upper frame body 2 and the lower frame body 1 are provided with force acting points by the lifting strips 4, and a worker can open or close the upper frame body 2 or the lower frame body 1 more conveniently.

Referring to fig. 1, the end of the second enclosing plate 22 and the end of the fourth enclosing plate 24 of the upper frame 2 far away from the socket are fixedly connected with the supporting legs 5, when the upper frame 2 is opened from the lower frame 1, the supporting legs 5 are supported on the ground, and at the moment, the upper frame 2 is kept in a vertical state, so that the possibility that the molding sand inside the upper frame 2 is inclined to leak is reduced.

Referring to fig. 1, in order to improve the locking force of the upper frame 2 and the lower frame 1 during locking, at least two sets of locking assemblies and locking blocks 31 are provided along the length direction of the first enclosing plate 21. The locking assembly is connected to the first enclosing plate 21 of the upper frame body 2, and the locking block 31 is connected to the first enclosing plate 21 of the lower frame body 1.

Referring to fig. 1, the locking assembly includes a fixing block 32, the fixing block 32 is fixedly connected to an outer side wall of the first enclosing plate 21 of the upper frame 2, and the locking block 31 is fixedly connected to an outer side wall of the first enclosing plate 21 of the lower frame 1, which are opposite to each other in a vertical direction. The fixing block 32 is provided with an installation groove 321, a locking rod 33 (refer to fig. 2) vertically penetrates through the installation groove 321, and the locking rod 33 passes through the installation groove 321 and points to the locking block 31. A locking opening for the locking rod 33 to pass through is vertically formed in the locking block 31, and a limiting hole is transversely formed in the locking rod 33 in a penetrating mode.

Referring to fig. 1, when the upper frame body 2 is fastened to the lower frame body 1, the lock rod 33 is inserted through the lock opening, the top of the limiting hole is tightly attached to the lower surface of the lock block 31, the limiting pin 36 (see fig. 2) is inserted into the limiting hole, and the limiting pin 36 is abutted to the lower surface of the lock block 31, so that the upper frame body 2 and the lower frame body 1 are locked.

Referring to fig. 1, one end of the lock rod 33 located in the installation groove 321 is fixedly connected with a contact plate 34 (refer to fig. 2), a return compression spring 35 (refer to fig. 2) is clamped between the contact plate 34 and the inner side wall of the installation groove 321, and the return compression spring 35 is sleeved on the lock rod 33. When the limit pin 36 is pulled out, the resilience of the return pressure spring 35 urges the lock lever 33 to move upwards, so that the lock lever 33 can be automatically ejected from the lock opening.

Referring to fig. 1, an ejecting cam 37 is abutted on one side of the abutting plate 34 away from the lock rod 33, a core shaft 38 penetrates through the center of the ejecting cam 37, the core shaft 38 is rotatably connected in a mounting groove 321, a support frame 39 is arranged on the mounting groove 321 in a crossing manner, and the core shaft 38 penetrates through the support frame 39 and is fixedly sleeved with a rotating disc 381.

Referring to fig. 1, when the lock lever 33 is inserted into the lock opening, the worker rotates the ejecting cam 37, when the long axis point of the ejecting cam 37 abuts against the abutting plate 34 (refer to fig. 2), the lock lever 33 is pressed to enter the lock opening, when the long axis point of the ejecting cam 37 is separated from the abutting plate 34, the stopper pin 36 (refer to fig. 2) is pulled out, the lock lever 33 is separated from the lock opening under the resilient force of the return pressure spring 35 (refer to fig. 2), and thus the purpose of automatic unlocking is achieved.

The specific implementation process comprises the following steps: when needing to utilize the utility model discloses when casting, the staff inserts first bounding wall 21 and establishes between second bounding wall 22 and fourth bounding wall 24, inserts third bounding wall 23 in restriction groove 231 after that, and rotatory restriction pole 25 utilizes the conflict power between restriction piece 251 and the fourth bounding wall 24 simultaneously, realizes going up framework 2 and lower framework 1's structure.

Then, the worker fastens the upper frame body 2 to the lower frame body 1, simultaneously screws the rotating disc 381, the rotating disc 381 drives the ejecting cam 37 to rotate, when the long shaft point of the ejecting cam 37 abuts against the abutting plate 34, the lock rod 33 penetrates through the lock opening, at this time, the limiting pin 36 is inserted into the limiting hole, and the upper frame body 2 and the lower frame body 1 are locked by the limiting pin 36.

After the upper frame 2 and the lower frame 1 are locked, the worker fills the molding sand into the cavities in the upper frame 2 and the lower frame 1, and performs the casting work.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a sand box for small-size foundry goods which characterized in that: including framework (1) and lock last framework (2) on framework (1) down, the bottom fixedly connected with bearing board (11) of framework (1) down, fixedly connected with shaping core (12) on bearing board (11), shaping core (12) are located down between framework (1), hinge connection is passed through in one side of framework (1) down in one side of going up framework (2), it is equipped with locking Assembly to go up one side that framework (2) deviate from the hinge, one side that framework (1) deviate from the hinge down is equipped with and pegs graft complex locking piece (31) with locking Assembly.

2. The flask for small castings according to claim 1, wherein: the upper frame body (2) and the lower frame body (1) are symmetrical with each other about a horizontal plane, the upper frame body (2) comprises a first enclosing plate (21), a second enclosing plate (22), a third enclosing plate (23), a fourth enclosing plate (24) and a limiting rod (25), the second enclosing plate (22) is parallel to the fourth enclosing plate (24), inserting ports are formed in the same ends of the second enclosing plate (22) and the fourth enclosing plate (24), inserting blocks (211) are arranged at two ends of the first enclosing plate (21) respectively, the inserting blocks (211) are inserted into the inserting ports, a hinge port is formed in one end, far away from the inserting ports, of the second enclosing plate (22), a hinge port is formed in one end, far away from the hinge port, of the limiting rod (25), the other end extends to the fourth enclosing plate (24), a locking port for containing the limiting rod (25) is formed in one end, far away from the hinge port, of the limiting rod (25), and a limiting block (251) is fixedly connected to one end, far away from the hinge port, when the limiting rod (25) is located in the locking opening, the limiting block (251) is abutted to the outer side wall of the fourth enclosing plate (24), the third enclosing plate (23) is located between the first enclosing plate (21) and the limiting rod (25), the third enclosing plate (23) is parallel to the first enclosing plate (21), a limiting groove (231) is formed in the position, right opposite to the plate body of the third enclosing plate (23), of the second enclosing plate (22) and the fourth enclosing plate (24), and two ends of the third enclosing plate (23) are embedded in the limiting groove (231).

3. The flask for small castings according to claim 2, wherein: locking assembly includes fixed block (32), fixed block (32) fixed connection is on the lateral wall of the first bounding wall (21) of last framework (2), locking piece (31) fixed connection is on the lateral wall of the first bounding wall (21) of framework (1) down, and both set up relatively, it has mounting groove (321) to open on fixed block (32), vertical locking lever (33) that is equipped with in mounting groove (321), locking lever (33) pass mounting groove (321) and point to locking piece (31), vertical division has the fore shaft that supplies locking lever (33) to pass on locking piece (31), horizontal run through has spacing hole on locking lever (33), when locking lever (33) pass the fore shaft, the lower surface with locking piece (31) is hugged closely at the top in spacing hole, and its inside is inserted and is equipped with spacer pin (36).

4. The flask for small castings according to claim 3, wherein: locking lever (33) are located one end fixedly connected with butt joint board (34) in mounting groove (321), it is equipped with return pressure spring (35) to press from both sides between the inside wall of butt joint board (34) and mounting groove (321), return pressure spring (35) cover is established on locking lever (33).

5. The flask for small castings according to claim 4, wherein: one side butt joint board (34) that deviates from locking lever (33) has been connect ejecting cam (37), dabber (38) are worn to be equipped with at the center of ejecting cam (37), dabber (38) rotate to be connected in mounting groove (321), the mounting groove (321) is gone up to stride and is equipped with support frame (39), dabber (38) pass support frame (39) and fixed cover is equipped with rolling disc (381).

6. The flask for small castings according to claim 1, wherein: the locking assembly and the locking block (31) are at least provided with two groups along the length direction of the first enclosing plate (21).

7. The flask for small castings according to claim 2, wherein: the outer side walls of the second enclosing plate (22) and the fourth enclosing plate (24) are fixedly connected with lifting strips (4) respectively.

8. The flask for small castings according to claim 2, wherein: one ends, far away from the inserting ports, of the second enclosing plate (22) and the fourth enclosing plate (24) of the upper frame body (2) are fixedly connected with the supporting legs (5), and when the upper frame body (2) is opened, the supporting legs (5) are supported on the ground.