Casting sand box

Abstract

The utility model discloses a casting sand box which comprises a casting box, a plurality of sets of installation grooves are formed in the casting box, isolation plates are connected in the installation grooves in a sliding mode, fixing holes matched with each other are formed in the middle of the casting box and the middle of the isolation plates, and connecting rods are connected in the fixing holes in a sliding mode. A rotating cap is fixedly connected to one end of the connecting rod, a first bevel gear is rotatably connected to the interior of the rotating cap, four sets of second bevel gears are connected to the outer side of the first bevel gear in a meshed mode, second threaded rods are fixedly connected to the tail ends of the second bevel gears, and moving blocks are connected to the outer sides of the second threaded rods in a threaded mode; a sliding rod is fixedly connected to one side of the moving block, four sets of sliding grooves are formed in the outer side of the rotating cap, and the sliding rod penetrates through the sliding grooves to be fixedly connected with a fastening piece, so that the use size of the pouring box can be controlled, the use of pouring sand is reduced, the stability of the isolation structure can be guaranteed, and the situation that the pouring sand is loosened due to shaking of the isolation structure is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of casting sand boxes, in particular to a casting sand box. Background Art

[0002] A casting flask is a box used to support and contain the sand mold during the casting process. During the casting process, molten metal is poured into the sand mold, which is formed by compacting and shaping the sand in the flask. The casting flask's primary function is to ensure the stability and integrity of the sand mold, allowing the molten metal to smoothly fill the mold cavity and solidify into the desired casting.

[0003] Since the size of the internal space of the casting sand box is inconvenient to adjust, molding sand is wasted when casting a smaller mold. Moreover, if the space adjustment structure inside the movable casting sand box cannot ensure the stability of its structure, the structure may slide or cause the casting sand inside the casting sand box to become loose, which is not conducive to the accuracy of casting. Utility Model Content

[0004] The purpose of the present invention is to provide a casting sand box to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a casting sand box, comprising a base and a casting box, wherein several groups of mounting grooves are opened inside the casting box, and isolation plates are slidably connected inside the mounting grooves, and matching fixing holes are opened in the middle of the casting box and the isolation plate, and a connecting rod is slidably connected inside the fixing hole, and one end of the connecting rod is fixedly connected to a rotating cap, and a first bevel gear is rotatably connected to the rotating cap, and the tail end of the first bevel gear penetrates the rotating cap and is fixedly connected to a rotating button, and the outer side of the first bevel gear is meshed with four groups of second bevel gears, and the tail end of the second bevel gear is fixedly connected to a second threaded rod, and the tail end of the second threaded rod is rotatably connected to the inner wall of the rotating cap, and the outer side of the second threaded rod is threadedly connected to a moving block, and one side of the moving block is fixedly connected to the sliding rod, and four groups of sliding grooves are opened on the outer side of the rotating cap, and the sliding rod penetrates the sliding groove and is fixedly connected to a fastening sheet.

[0006] Preferably, the other end of the connecting rod is fixedly connected to a first threaded rod, and a nut is threadedly connected to the outer side of the first threaded rod.

[0007] Preferably, a limiting block is fixedly connected to the outer side of the tail end of the first bevel gear, a moving piece is slidably connected to the tail end of the first bevel gear and the outer side of the limiting block, a gear ring is fixedly connected to the side of the moving piece facing the rotating cap, and a tooth groove for matching the gear ring is opened on one side of the rotating cap.

[0008] Preferably, one side of the movable plate is rotatably connected to a third threaded rod, and the third threaded rod is threadedly connected to the inside of the rotating knob.

[0009] Preferably, the upper and lower groups of casting boxes are fixedly connected to one side facing each other with several groups of positioning frames, the positioning frames are slidably connected with positioning blocks, the upper part of the positioning blocks is fixedly connected with mounting plates, the two sides of the casting boxes are fixedly connected with mounting plates, and the mounting plates are threadedly connected with a fourth threaded rod.

[0010] Preferably, an embedding groove communicating with the mounting groove is provided inside the casting box, and an embedding block matching the embedding groove is fixedly connected to one side of the isolation plate.

[0011] Preferably, four groups of fourth connecting seats are fixedly connected to the lower part of the base, a third rotating shaft is rotatably connected between the fourth connecting seats, and a wheel is fixedly connected to the outer side of the third rotating shaft.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model rotates the rotating knob, the first bevel gear, and the first bevel gear drives the second bevel gear to rotate, and the second threaded rod drives the moving block to move, and the moving block drives the fastening piece to move outward through the sliding rod, so that the fastening piece tightly supports the isolation plate and the fixing hole on the outside of the casting box, which can control the use volume of the casting box, thereby reducing the use of casting sand, and can ensure the stability of the isolation structure, and prevent the isolation structure from shaking and causing the casting sand to loosen;

[0014] The utility model also realizes the positioning of the upper and lower casting boxes by connecting the positioning blocks to the upper and lower positioning frames, and limits the rising and falling positions of the mounting plates by inserting the fourth threaded rod into both sides of the mounting plate, which can better realize the positioning of the upper and lower casting boxes and improve the accuracy of casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first perspective;

[0016] Figure 2 This is a cross-sectional view of the mounting rod structure from the second viewing angle of the present invention;

[0017] Figure 3 This is a cross-sectional view of the rotating cap structure from the third perspective of the present invention.

[0018] In the figure: 1. casting box; 2. mounting groove; 3. isolation plate; 4. fixing hole; 5. rotating cap; 6. connecting rod; 7. first threaded rod; 8. nut; 9. fastening plate; 10. first bevel gear; 11. rotating knob; 12. second bevel gear; 13. moving block; 14. second threaded rod; 15. sliding rod; 16. sliding groove; 17. limiting block; 18. moving plate; 19. gear ring; 20. tooth groove; 21. third threaded rod; 22. positioning frame; 23. positioning block; 24. mounting plate; 25. mounting plate; 26. fourth threaded rod; 27. embedding groove; 28. embedding block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-3 The utility model provides a technical solution: a casting sand box, including a casting box 1, a plurality of mounting grooves 2 are provided inside the casting box 1, and an isolation plate 3 is slidably installed inside the installation groove 2. By installing the isolation plate 3 in the corresponding installation groove 2, the use volume of the casting box 1 is controlled, thereby reducing the use of casting sand. Matching fixing holes 4 are provided in the middle of the casting box 1 and the isolation plate 3, and a connecting rod 6 is slidably installed inside the fixing hole 4. The fixing hole 4 is connected to the isolation plate 3 through the connecting rod 6 to install the isolation plate 3. A rotating cap 5 is fixedly welded at one end of the connecting rod 6, and a first bevel gear 10 is rotatably installed inside the rotating cap 5. The tail end of the first bevel gear 10 penetrates the rotating cap 5 and is fixedly welded with a rotating knob 11. The outer side of the first bevel gear 10 is meshed with four groups of second Bevel gear 12, the tail end of the second bevel gear 12 is fixedly welded with a second threaded rod 14, the tail end of the second threaded rod 14 is rotatably connected to the inner wall of the rotating cap 5, the outer side of the second threaded rod 14 is threadedly installed with a moving block 13, one side of the moving block 13 is fixedly welded with a sliding rod 15, four sets of sliding grooves 16 are opened on the outside of the rotating cap 5, the sliding rod 15 penetrates the sliding groove 16 and is fixedly welded with a fastening piece 9, by rotating the rotating knob 11, the first bevel gear 10, the first bevel gear 10 drives the second bevel gear 12 to rotate, and drives the moving block 13 to move through the second threaded rod 14, and the moving block 13 drives the fastening piece 9 to move outward through the sliding rod 15, so that the fastening piece 9 tightly supports the isolation plate 3 and the fixing hole 4 on the outside of the casting box 1 to prevent the isolation plate 3 from shaking and causing the casting sand to loosen;

[0021] The other end of the connecting rod 6 is fixedly welded with a first threaded rod 7, and a nut 8 is installed on the outer side of the first threaded rod 7 through a thread. The nut 8 cooperates with the rotating cap 5 to be fixed to both ends of the casting box 1 to prevent the connecting rod 6 from sliding; a limiting block 17 is fixedly welded to the outer side of the tail end of the first bevel gear 10, and a moving piece 18 is slidably installed on the tail end of the first bevel gear 10 and the outer side of the limiting block 17 to ensure that the first bevel gear 10 rotates with the moving piece 18. A gear ring 19 is fixedly welded on the side of the moving piece 18 facing the rotating cap 5, and a tooth groove 20 that matches the gear ring 19 is opened on one side of the rotating cap 5. The moving piece 18 drives the gear ring 19 to be inserted into the tooth groove 20, thereby fixing the rotation of the first bevel gear 10; a third threaded rod 21 is rotatably installed on one side of the moving piece 18, and the third threaded rod 21 is threadedly connected to the inside of the rotating button 11. By rotating the third threaded rod 21, Thereby, the movable piece 18 is driven to move; the upper and lower groups of casting boxes 1 are fixedly welded with several groups of positioning frames 22 facing each other on one side, and the positioning blocks 23 are slidably installed inside the positioning frames 22. The upper part of the positioning blocks 23 is fixedly welded with mounting pieces 24. By connecting the upper and lower groups of positioning frames 22 with the positioning blocks 23, the positioning of the upper and lower groups of casting boxes 1 is achieved. Mounting plates 25 are fixedly welded on both sides of the casting box 1, and fourth threaded rods 26 are installed with internal threads of the mounting plates 25. The fourth threaded rods 26 are inserted into both sides of the mounting plates 25 to limit the rising and falling positions of the mounting plates 25; an embedding groove 27 communicating with the mounting groove 2 is provided inside the casting box 1, and an embedding block 28 matching the embedding groove 27 is fixedly welded on one side of the isolation plate 3. By inserting the embedding block 28 into the embedding groove 27, the stability of the installation of the isolation plate 3 is further improved.

[0022] Working principle: When the utility model is in use, the isolation plate 3 is inserted into the installation groove 2, connected to the fixing hole 4 through the connecting rod 6, and the isolation plate 3 is installed. By rotating the rotating knob 11, the first bevel gear 10, the first bevel gear 10 drives the second bevel gear 12 to rotate, and the moving block 13 is driven to move by the second threaded rod 14. The moving block 13 drives the fastening piece 9 to move outward through the sliding rod 15, so that the fastening piece 9 tightly supports the isolation plate 3 and the fixing hole 4 on the outside of the casting box 1, preventing the isolation plate 3 from shaking and causing the casting sand Loosen, by rotating the third threaded rod 21, thereby driving the moving piece 18 to move, the moving piece 18 drives the gear ring 19 to be inserted into the tooth groove 20, thereby fixing the rotation of the first bevel gear 10, and connecting the upper and lower two groups of positioning frames 22 by the positioning block 23, thereby realizing the positioning of the upper and lower two groups of casting boxes 1, and inserting the fourth threaded rod 26 on both sides of the mounting plate 25 to limit the rising and falling positions of the mounting plate 25, which can better realize the positioning of the upper and lower two groups of casting boxes 1 and improve the accuracy of casting.

[0023] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A casting sand box, comprising a casting box (1), characterized in that: The pouring box (1) is provided with a plurality of mounting grooves (2) inside, and an isolation plate (3) is slidably connected inside the mounting grooves (2). Matching fixing holes (4) are provided in the middle of the pouring box (1) and the isolation plate (3). A connecting rod (6) is slidably connected inside the fixing hole (4). One end of the connecting rod (6) is fixedly connected to a rotating cap (5). The rotating cap (5) is rotatably connected to a first bevel gear (10) inside. The tail end of the first bevel gear (10) penetrates the rotating cap (5) and is fixedly connected to a rotating knob (11). The first The outer side of the bevel gear (10) is meshedly connected with four groups of second bevel gears (12), the tail end of the second bevel gear (12) is fixedly connected with a second threaded rod (14), the tail end of the second threaded rod (14) is rotatably connected to the inner wall of the rotating cap (5), the outer side of the second threaded rod (14) is threadedly connected with a moving block (13), one side of the moving block (13) is fixedly connected with a sliding rod (15), the outer side of the rotating cap (5) is provided with four groups of sliding grooves (16), and the sliding rod (15) penetrates the sliding grooves (16) and is fixedly connected with a fastening plate (9).

2. The casting sand box according to claim 1, characterized in that: The other end of the connecting rod (6) is fixedly connected to a first threaded rod (7), and the outer side of the first threaded rod (7) is threadedly connected to a nut (8).

3. The casting sand box according to claim 1, characterized in that: A limiting block (17) is fixedly connected to the outer side of the tail end of the first bevel gear (10), a moving piece (18) is slidably connected to the tail end of the first bevel gear (10) and the outer side of the limiting block (17), a gear ring (19) is fixedly connected to the side of the moving piece (18) facing the rotating cap (5), and a tooth groove (20) is provided on one side of the rotating cap (5) to match the gear ring (19).

4. A casting sand box according to claim 3, characterized in that: One side of the movable plate (18) is rotatably connected to a third threaded rod (21), and the third threaded rod (21) is threadedly connected to the inside of the rotating knob (11).

5. The casting sand box according to claim 1, characterized in that: The upper and lower groups of the casting boxes (1) are fixedly connected to a plurality of positioning frames (22) facing each other on one side, the positioning frames (22) are slidably connected to positioning blocks (23) inside, the upper part of the positioning blocks (23) is fixedly connected to mounting plates (24), the two sides of the casting box (1) are fixedly connected to mounting plates (25), and the mounting plates (25) are internally threadedly connected to fourth threaded rods (26).

6. The casting sand box according to claim 1, characterized in that: An embedding groove (27) communicating with the mounting groove (2) is provided inside the casting box (1), and an embedding block (28) matching the embedding groove (27) is fixedly connected to one side of the isolation plate (3).

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