Sand casting sand box with positioning and locking mechanism

Abstract

The utility model discloses a sand casting sand box with a positioning and locking mechanism, which belongs to the technical field of sand core manufacturing and comprises a base, a lower sand box and an upper sand box, lower fixing blocks are fixedly connected to two sides of the upper ends of the front and the back of the lower sand box, upper fixing blocks are fixedly connected to two sides of the lower ends of the front and the back of the upper sand box, and the lower fixing blocks are fixedly connected to the upper fixing blocks. A locking assembly is arranged at the upper end of the upper fixing block, a lock hole is formed in the upper surface of the lower fixing block, supporting seats are fixedly connected to the two sides of the upper surface of the base, and a fixing assembly is arranged on one side of each supporting seat. By arranging the locking assembly, the device can quickly complete the assembly of the sand box, the locking firmness is enhanced, the smooth casting process is guaranteed, the production efficiency is obviously improved, the fixing assembly is arranged, the adjusting bolt is rotated to drive the mounting plate and the U-shaped plug pin to move, and the lower sand box and the upper sand box are fixed; and the overall stability of the sand box is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand core manufacturing technical field especially a sand box for sand casting with positioning locking mechanism. BACKGROUND

[0002] Sand casting is an important method in casting technology, which uses sand mold as a mold, pours melted metal into it, removes the sand mold after the metal cools and solidifies, and thus obtains a casting with a specific shape and size. Sand casting is widely used in the production of various complex parts and is favored for its low cost and flexible process.

[0003] Traditional partial sand boxes are connected by bolts and nuts, which need to be installed using tools. The assembly and disassembly process is complicated, requiring a lot of time and manpower, increasing production costs and reducing production efficiency. Moreover, the locking effect of some sand boxes is not good, and they may loosen or fail during casting due to vibration or external forces, which not only reduces the precision of the casting but also may cause safety accidents. To solve these problems, the utility model provides a sand box for sand casting with a positioning locking mechanism. SUMMARY

[0004] The utility model aims at solving the shortcomings in the prior art and provides a sand box for sand casting with a positioning locking mechanism.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A sand box for sand casting with a positioning locking mechanism includes a base, a lower sand box, and an upper sand box. The lower sand box has lower fixed blocks fixedly connected to both sides of the upper end of the front and back surfaces. The upper sand box has upper fixed blocks fixedly connected to both sides of the lower end of the front and back surfaces. The upper fixed blocks have locking assemblies at their upper ends. The lower fixed blocks have lock holes on their upper surfaces. The base has support seats fixedly connected to both sides of its upper surface. The support seats have fixed assemblies on one side.

[0007] As a further improvement of the utility model, the locking assembly includes a first threaded hole in the upper end of the upper fixed block. The upper end of the upper fixed block is threadedly connected to a fixed bolt that is compatible with the first threaded hole. The lower end of the fixed bolt is fixedly connected to a connecting rod. The lower end of the connecting rod is fixedly connected to a lock block that is compatible with the lock hole. The upper surface of the lock block is fixedly connected to a buffer pad.

[0008] As a further improvement of the utility model, the fixed assembly comprises two sliding grooves formed on one side of the support base, two movable rods movably connected inside the two sliding grooves, a U-shaped bolt fixedly connected to one end of the two movable rods, an installation plate fixedly connected to the other end of the two movable rods, a second threaded hole formed on one side of the installation plate, and an adjusting bolt threadedly connected to one side of the installation plate and matched with the second threaded hole.

[0009] As a further improvement of the utility model, one end of the adjusting bolt is rotatably connected with a bearing, the other side of the bearing is fixedly connected to the support base, and the other end of the adjusting bolt is fixedly connected with a handle.

[0010] As a further improvement of the utility model, the lower sand box and the upper sand box are both provided with a slot matched with the U-shaped bolt on both sides.

[0011] As a further improvement of the utility model, the lower end of the front face and the back face of the lower sand box is provided with a positioning hole, and the inside of the base is fixedly connected with a positioning block matched with the positioning hole.

[0012] The utility model has the advantages of:

[0013] The locking assembly is arranged, when in use, the upper sand box and the lower sand box are quickly docked through the upper fixed block and the lower fixed block, the locking block is rotated and moved upward under the drive of the fixing bolt and the connecting rod after docking, and is locked in the locking hole once the angle is changed, so that the upper sand box and the lower sand box are fixed together, the locking firmness is enhanced, the sand box is prevented from loosening or separating due to vibration or external force during casting, the smooth casting process is ensured, the device can quickly complete the assembly of the sand box, and the production efficiency is remarkably improved.

[0014] The fixed assembly is arranged, when in use, the installation plate is moved under the drive of the adjusting bolt, the movable rod and the U-shaped bolt are moved at the same time when the installation plate is moved, the U-shaped bolt is inserted into the slots on the two sides of the lower sand box and the upper sand box, the lower sand box and the upper sand box can be fixed, the stability of the sand box as a whole is enhanced, the handle is connected with the adjusting bolt, the operator can easily rotate the adjusting bolt when adjusting the fixed position, and the convenience and efficiency of operation are improved.

[0015] The positioning hole and the positioning block are arranged, when in use, the positioning hole of the lower sand box is accurately positioned and fixed with the positioning block in the base, the position stability of the lower sand box during casting is ensured, casting defects caused by position deviation are effectively avoided, and the quality of the castings is improved.

[0016] In summary, the sand box for sand casting with the positioning and locking mechanism has the characteristics of accurate positioning, rapid assembly, firm locking, convenient operation and the like, and the efficiency and casting quality of sand casting are remarkably improved, and the safety and stability of the casting process are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic view of the sand box for sand casting with the positioning and locking mechanism is provided.

[0018] Figure 2 A disassembled structure schematic view of the sand box for sand casting with the positioning and locking mechanism is provided.

[0019] Figure 3 A structure schematic view of the locking assembly of the sand box for sand casting with the positioning and locking mechanism is provided.

[0020] Figure 4 A structure schematic view of the fixing assembly of the sand box for sand casting with the positioning and locking mechanism is provided.

[0021] In the figure: 1 base, 2 lower sand box, 3 upper sand box, 4 lower fixing block, 5 upper fixing block, 6 lock hole, 7 support seat, 8 first threaded hole, 9 fixing bolt, 10 connecting rod, 11 lock block, 12 buffer pad, 13 sliding groove, 14 movable rod, 15 U-shaped bolt, 16 mounting plate, 17 second threaded hole, 18 adjusting bolt, 19 bearing, 20 handle, 21 insertion slot, 22 positioning hole, 23 positioning block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0023] Referring to Figures 1-4 A sand box for sand casting with a positioning and locking mechanism, comprising a base 1, a lower sand box 2 and an upper sand box 3, both sides of the upper end of the front and back of the lower sand box 2 are fixedly connected with lower fixing blocks 4, both sides of the lower end of the front and back of the upper sand box 3 are fixedly connected with upper fixing blocks 5, the upper end of the upper fixing block 5 is provided with a locking assembly, the upper surface of the lower fixing block 4 is provided with a lock hole 6, both sides of the upper surface of the base 1 are fixedly connected with support seats 7, one side of the support seat 7 is provided with a fixing assembly.

[0024] The utility model discloses, locking assembly includes the first threaded hole 8 of setting in the upper fixed block 5 upper end, the upper end threaded connection of upper fixed block 5 has the fixed bolt 9 of being adapted with first threaded hole 8, the lower end fixed connection of fixed bolt 9 has connecting rod 10, the lower end fixed connection of connecting rod 10 has the lock block 11 of being adapted with lock hole 6, the upper surface fixed connection of lock block 11 has buffer pad 12, by rotating fixed bolt 9 drive connecting rod 10 and lock block 11 rotate and move upwards, lock block 11 changes angle and cannot be taken out from lock hole 6, to lock the upper fixed block 5 and lower fixed block 4, buffer pad 12 can let lock block 11 rotate and lock and will not damage to lower fixed block 4.

[0025] The fixing assembly comprises two sliding grooves 13 formed on one side of the support base 7, two movable rods 14 movably connected in the two sliding grooves 13, a U-shaped bolt 15 fixedly connected to one end of the two movable rods 14, a mounting plate 16 fixedly connected to the other end of the two movable rods 14, a second threaded hole 17 formed on one side of the mounting plate 16, an adjusting bolt 18 threadedly connected to the second threaded hole 17 on one side of the mounting plate 16, a bearing 19 rotatably connected to one end of the adjusting bolt 18, the other side of the bearing 19 fixedly connected to the support base 7, and a handle 20 fixedly connected to the other end of the adjusting bolt 18. The handle 20 is rotated to drive the adjusting bolt 18 to rotate in the bearing 19 on the support base 7. The adjusting bolt 18 is rotated to drive the mounting plate 16 to move through the combination of the movable rod 14 and the second threaded hole 17. The mounting plate 16 is moved to drive the movable rod 14 and the U-shaped bolt 15 to move.

[0026] The two sides of the lower sand box 2 and the upper sand box 3 are formed with a slot 21 matched with the U-shaped bolt 15, the lower ends of the front and back surfaces of the lower sand box 2 are formed with a positioning hole 22, and the inside of the base 1 is fixedly connected with a positioning block 23 matched with the positioning hole 22. The positioning hole 22 and the positioning block 23 are used to realize the accurate alignment of the base 1 and the lower sand box 2, and ensure the position stability of the lower sand box 2 during the casting process.

[0027] The utility model uses, first the positioning hole 22 of lower sand box 2 aims at the positioning block 23 in base 1, aims at and places lower sand box 2 through positioning hole 22 in base 1 after, then the upper fixed block 5 of upper sand box 3 aims at the lower fixed block 4 of lower sand box 2, aims at and places upper sand box 3 to lower sand box 2 after, the connecting rod 10 and lock block 11 of upper fixed block 5 will pass through the lock hole 6 of lower fixed block 4, rotates fixed bolt 9 and drives connecting rod 10 and lock block 11 to rotate and move upwards, lock block 11 changes angle and cannot take out from lock hole 6, thereby locks upper fixed block 5 and lower fixed block 4, and connects lower sand box 2 and upper sand box 3 together simultaneously, finally rotates handle 20 and drives adjusting bolt 18 to rotate in the bearing 19 on support base 7, adjusting bolt 18 rotates and drives mounting plate 16 to move through the combination of movable rod 14 and second screw hole 17 simultaneously, mounting plate 16 moves and drives movable rod 14 and U-shaped bolt 15 to move simultaneously, until U-shaped bolt 15 is inserted into the slot 21 on the both sides of lower sand box 2 and upper sand box 3, completes the secondary fixing of lower sand box 2 and upper sand box 3.

[0028] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, carries out equivalent replacement or changes, should be covered in the protection scope of the utility model.

Claims

1. A sand box for sand casting with a positioning and locking mechanism, comprising a base (1), a lower sand box (2) and an upper sand box (3), characterized in that, The lower sand box (2) front and back upper end of both sides are fixedly connected with lower fixed block (4), the upper sand box (3) front and back lower end of both sides are fixedly connected with upper fixed block (5), the upper end of upper fixed block (5) is equipped with locking assembly, the upper surface of lower fixed block (4) is equipped with lock hole (6), the both sides of the upper surface of base (1) are fixedly connected with support seat (7), one side of support seat (7) is equipped with fixed assembly.

2. A sand box for sand casting having a positioning and locking mechanism according to claim 1, characterized in that, The locking assembly includes the first threaded hole (8) opened in the upper end of the upper fixed block (5), the upper end of the upper fixed block (5) is threadedly connected with the fixed bolt (9) matched with the first threaded hole (8), the lower end of the fixed bolt (9) is fixedly connected with the connecting rod (10), the lower end of the connecting rod (10) is fixedly connected with the lock block (11) matched with the lock hole (6), the upper surface of the lock block (11) is fixedly connected with the buffer pad (12).

3. A sand box for sand casting having a positioning and locking mechanism according to claim 1, characterized in that, The fixed assembly includes two sliding grooves (13) opened in one side of the support seat (7), the two sliding grooves (13) are movably connected with the movable rods (14) inside, one end of the two movable rods (14) is fixedly connected with the U-shaped bolt (15), the other end of the two movable rods (14) is fixedly connected with the mounting plate (16), one side of the mounting plate (16) is equipped with the second threaded hole (17), one side of the mounting plate (16) is threadedly connected with the adjusting bolt (18) matched with the second threaded hole (17).

4. A sand box for sand casting having a positioning and locking mechanism according to claim 3, characterized in that, One end of the adjusting bolt (18) is rotatably connected with the bearing (19), the other side of the bearing (19) is fixedly connected to the support seat (7), the other end of the adjusting bolt (18) is fixedly connected with the handle (20).

5. A sand box for sand casting having a positioning and locking mechanism according to claim 1, characterized in that, The both sides of the lower sand box (2) and the upper sand box (3) are equipped with the slot (21) matched with the U-shaped bolt (15).

6. A sand box for sand casting having a positioning and locking mechanism according to claim 1, characterized in that, The lower end of the front and back of the lower sand box (2) is equipped with the positioning hole (22), the inside of the base (1) is fixedly connected with the positioning block (23) matched with the positioning hole (22). The lower end of the front and back of the lower sand box (2) is equipped with the positioning hole (22), the inside of the base (1) is fixedly connected with the positioning block (23) matched with the positioning hole (22).

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