Multifunctional sand box for gearbox casting production

Abstract

The utility model relates to the technical field of gearbox casting production equipment, and provides a multifunctional sand box for gearbox casting production, which comprises a sand box body and a built-in cavity, the built-in cavity is arranged in the sand box body, and clamping structures are arranged at the bottom of the sand box body on two sides of the built-in cavity. And a water cooling structure is arranged in the sand box body on the outer side of the built-in cavity and comprises a through groove, a water pipe and a valve. The water cooling structure is arranged, the top end of the water pipe is connected with the water tank and the water pump, and cold water flows to the outer side of the built-in cavity in the sand box body through the water pipe and continuously flows, so that a casting in the sand box body can be quickly cooled after being cast, and the cooling of the casting is accelerated; according to the multifunctional sand box for gearbox casting production, the function of cooling a casting is achieved, and the working efficiency of the multifunctional sand box for gearbox casting production during use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear box casting production equipment, in particular to a multifunctional sand box for gear box casting production. Background Art

[0002] Modern engineering machinery has higher and higher requirements on the precision and surface quality of gearbox castings. The traditional sand mold making method may be difficult to meet its requirements, and a more precise and stable sand mold making technology is needed. Therefore, it is necessary to design a multifunctional sand box for the production of gearbox castings.

[0003] To this end, the patent with publication number CN210117654U discloses a multifunctional sand box, including a first box body, a seal, a second box body, a first connecting piece, a clamping piece and a plurality of second connecting pieces. The first box body is a first barrel with a first set value thickness, the second box body is a second barrel with a second set value thickness, the cavity formed by the first barrel, the second barrel, the seal and the first connecting piece enables the multifunctional sand box to be used as a jack, and the plurality of second connecting pieces are fixedly connected between the clamping piece and the first connecting piece, so that the multifunctional sand box can fix the steel rod through the clamping piece, thus realizing the functional diversification of the multifunctional sand box;

[0004] Although the multifunctional sand box mentioned above can be used as a jack when in use, the heat dissipation is slow during casting, which affects the cooling effect. Therefore, it is necessary to design a multifunctional sand box that can cool the casting. Utility Model Content

[0005] The utility model aims to provide a multifunctional sand box for producing gear box castings, so as to solve the defect that the existing multifunctional sand box has slow heat dissipation during casting, thus affecting the cooling effect.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a multifunctional sand box for producing gearbox castings, comprising a sand box body and a built-in cavity;

[0007] The interior of the sand box body is provided with an internal cavity, and the bottom of the sand box body on both sides of the internal cavity is provided with a clamping structure;

[0008] A water cooling structure is arranged inside the sand box body outside the built-in cavity, and the water cooling structure includes a through groove, a water pipe and a valve. The through groove is opened inside the sand box body outside the built-in cavity, and a water pipe is arranged inside the through groove. Both ends of the water pipe extend to the outside of the sand box body and are provided with valves.

[0009] A cover body is arranged at the top of the sand box body, a casting port is fixed at the middle position inside the cover body, and fixing structures are fixed on both sides of the cover body.

[0010] Preferably, the clamping structure includes a driving rod, a clamping plate, a bottom plate and a balancing rod, the driving rods pass through the bottom of the sand box body on both sides of the built-in cavity, balancing rods are provided on both sides of the driving rod, a clamping plate is provided at one end of the driving rod, and the bottom plate is fixed to the bottom end of the clamping plate.

[0011] Preferably, the driving rod is threadedly connected to the sand box body, and the driving rod is rotatably connected to the clamping plate.

[0012] Preferably, the clamping plates are symmetrically distributed on both sides of the built-in cavity, and the balancing rods are symmetrically distributed on both sides of the driving rod.

[0013] Preferably, one end of the balance bar is fixedly connected to one side of the clamping plate, and the balance bar is slidably connected to the sand box body.

[0014] Preferably, the fixing structure includes a first fixing block, a second fixing block and bolts, the second fixing block is fixed to both sides of the cover body, the first fixing block is fixed to both sides of the top of the sand box body, and bolts are arranged inside the first fixing block and the second fixing block.

[0015] Preferably, the first fixing blocks are symmetrically distributed on both sides of the flask body, and the first fixing blocks and the second fixing blocks are both threadedly connected with bolts.

[0016] The utility model provides a multifunctional sand box for producing gearbox castings, which has the advantages of:

[0017] By providing a water cooling structure, the top of the water pipe is connected to the water tank and the water pump, and the cold water flows through the water pipe to the outside of the internal cavity inside the sand box body. The cold water flows continuously, so that the casting inside the sand box body can be quickly cooled down after casting, and the cooling of the casting is accelerated, so that the device has the function of cooling the casting, and the working efficiency of the multifunctional sand box for the production of gear box castings is improved when in use;

[0018] By providing a clamping structure, the driving rod is rotated, and the driving rod pushes the clamping plate to move toward the inner side of the built-in cavity when rotating. The clamping plate gradually clamps the required lost mold of the casting when moving, which is convenient for clamping the lost mold and avoids the lost mold from shifting and tilting when filling sand, which affects the mold forming effect. The device has the function of clamping and positioning, and improves the stability of the multifunctional sand box for the production of gearbox castings when in use.

[0019] By providing a fixing structure, after the cover body and the sand box body are snap-connected, bolts are inserted into the interior of the first fixing block and the second fixing block, and the bolts are tightened, so that the sand box body and the cover body are fixedly connected, which is convenient for casting molding. The device has the function of fixing the sand box body and the cover body, and the convenience of using the multifunctional sand box for gearbox casting production is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model in a top view.

[0025] Explanation of the reference numerals in the figure: 1. Sand box body; 2. Built-in cavity; 3. Clamping structure; 301. Drive rod; 302. Clamping plate; 303. Bottom plate; 304. Balance rod; 4. Water cooling structure; 401. Through groove; 402. Water pipe; 403. Valve; 5. Cover; 6. Casting port; 7. Fixing structure; 701. First fixing block; 702. Second fixing block; 703. Bolt. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5 The utility model provides a multifunctional sand box for producing gear box castings, which includes a sand box body 1 and a built-in cavity 2.

[0028] Reference Figure 1-Figure 5A built-in cavity 2 is provided inside the sand box body 1, and a clamping structure 3 is provided at the bottom of the sand box body 1 on both sides of the built-in cavity 2. The clamping structure 3 includes a driving rod 301, a clamping plate 302, a bottom plate 303 and a balance rod 304. The driving rod 301 passes through the bottom of the sand box body 1 on both sides of the built-in cavity 2, and balance rods 304 are provided on both sides of the driving rod 301. A clamping plate 302 is provided at one end of the driving rod 301, and the bottom plate 303 is fixed to the bottom end of the clamping plate 302. The driving rod 301 is threadedly connected to the sand box body 1, and the driving rod 301 is rotatably connected to the clamping plate 302. The clamping plates 302 are symmetrically distributed on both sides of the built-in cavity 2, and the balance rods 304 are symmetrically distributed on both sides of the driving rod 301. One end of the balance rod 304 is fixedly connected to one side of the clamping plate 302, and the balance rod 304 is slidably connected to the sand box body 1.

[0029] The driving rod 301 is rotated, and the driving rod 301 pushes the clamping plate 302 to move toward the inner side of the built-in cavity 2. The clamping plate 302 gradually clamps the required lost foam of the casting during movement, so as to facilitate the clamping of the lost foam and avoid the lost foam from being offset and tilted when the sand is loaded, thereby affecting the molding effect.

[0030] Reference Figure 1-Figure 5 A water cooling structure 4 is arranged inside the sand box body 1 outside the built-in cavity 2. The water cooling structure 4 includes a through groove 401, a water pipe 402 and a valve 403. The through groove 401 is opened inside the sand box body 1 outside the built-in cavity 2. A water pipe 402 is arranged inside the through groove 401. Both ends of the water pipe 402 extend to the outside of the sand box body 1 and are provided with valves 403.

[0031] The top of the water pipe 402 is connected to a water tank and a water pump, and cold water flows through the water pipe 402 to the outside of the built-in cavity 2 inside the sand box body 1. The cold water flows continuously, so that the casting inside the sand box body 1 can be quickly cooled after casting is completed, thereby accelerating the cooling of the casting.

[0032] Reference Figure 1 and Figure 3 A cover body 5 is provided at the top of the sand box body 1, a casting port 6 is fixed at the middle position inside the cover body 5, and fixing structures 7 are fixed on both sides of the cover body 5. The fixing structure 7 includes a first fixing block 701, a second fixing block 702 and a bolt 703. The second fixing block 702 is fixed to both sides of the cover body 5, and the first fixing block 701 is fixed to both sides of the top of the sand box body 1. Bolts 703 are provided inside the first fixing block 701 and the second fixing block 702. The first fixing blocks 701 are symmetrically distributed on both sides of the sand box body 1, and the first fixing blocks 701 and the second fixing blocks 702 are both threadedly connected with the bolts 703.

[0033] After the cover 5 and the flask body 1 are snap-fitted together, the bolts 703 are passed through the first fixing block 701 and the second fixing block 702, and the bolts 703 are tightened to fix the flask body 1 and the cover 5 together, which is convenient for casting.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multifunctional sand box for producing gearbox castings, comprising a sand box body (1) and an internal cavity (2); Features: The interior of the flask body (1) is provided with an internal cavity (2), and the bottom of the flask body (1) on both sides of the internal cavity (2) is provided with a clamping structure (3); A water cooling structure (4) is provided inside the sand box body (1) outside the built-in cavity (2), and the water cooling structure (4) comprises a through groove (401), a water pipe (402) and a valve (403). The through groove (401) is opened inside the sand box body (1) outside the built-in cavity (2), and a water pipe (402) is provided inside the through groove (401). Both ends of the water pipe (402) extend to the outside of the sand box body (1) and are provided with valves (403); A cover body (5) is arranged at the top of the flask body (1), a casting port (6) is fixed at the middle position inside the cover body (5), and fixing structures (7) are fixed on both sides of the cover body (5).

2. The multifunctional sand box for gearbox casting production according to claim 1, characterized in that: The clamping structure (3) comprises a driving rod (301), a clamping plate (302), a bottom plate (303) and a balancing rod (304); the driving rod (301) passes through the bottom of the sand box body (1) on both sides of the built-in cavity (2); balancing rods (304) are arranged on both sides of the driving rod (301); a clamping plate (302) is arranged at one end of the driving rod (301); and the bottom plate (303) is fixed to the bottom end of the clamping plate (302).

3. The multifunctional sand box for gearbox casting production according to claim 2, characterized in that: The driving rod (301) is threadedly connected to the sand box body (1), and the driving rod (301) is rotatably connected to the clamping plate (302).

4. The multifunctional sand box for producing gearbox castings according to claim 2, characterized in that: The clamping plates (302) are symmetrically distributed on both sides of the built-in cavity (2), and the balancing rods (304) are symmetrically distributed on both sides of the driving rod (301).

5. The multifunctional sand box for producing gearbox castings according to claim 2, characterized in that: One end of the balance rod (304) is fixedly connected to one side of the clamping plate (302), and the balance rod (304) is slidably connected to the sand box body (1).

6. The multifunctional sand box for producing gearbox castings according to claim 1, characterized in that: The fixing structure (7) comprises a first fixing block (701), a second fixing block (702) and bolts (703), wherein the second fixing block (702) is fixed to both sides of the cover body (5), and the first fixing block (701) is fixed to both sides of the top of the sand box body (1), and bolts (703) are arranged inside the first fixing block (701) and the second fixing block (702).

7. The multifunctional sand box for producing gearbox castings according to claim 6, characterized in that: The first fixing blocks (701) are symmetrically distributed on both sides of the flask body (1), and the first fixing blocks (701) and the second fixing blocks (702) are both threadedly connected to the bolts (703).

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