Wear-resistant strip device for protecting bottom of core making machine box

Abstract

The utility model discloses a wear-resistant strip device for protecting the bottom of a core-making machine box, and relates to the technical field of core-making machine boxes. The base comprises a base body, a placing plate is arranged on the top of the base body, fixing plates are arranged on the two sides of the base body, and a fixing device is arranged in the placing plate. The fixing device comprises a fixing assembly and a clamping assembly, the clamping assembly comprises a threaded rod, and one end of the threaded rod is rotationally matched in the containing plate. Through the mutual matching effect of the fixing assemblies, the threaded rods, the limiting assemblies, the threaded blocks, the L-shaped fixing plates, the sliding grooves, the wear-resisting strips, the clamping grooves, the adaptive grooves and the like, the two L-shaped fixing plates can move relative to each other, the wear-resisting strips can be longitudinally fixed, and therefore the wear-resisting strips are easy to install, and when the wear-resisting strips are replaced, the wear-resisting strips can be replaced conveniently. And operation of workers is facilitated, and therefore the wear-resisting strip replacing efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the field of core making machine boxes, and in particular relates to a wear-resistant strip device for protecting the bottom of a core making machine box. Background Art

[0002] Core making is an important process in the foundry industry. It is used to form the inner cavity of the casting during casting production and form a complete casting together with the modeling. The core making method is that the base of the core making machine automatically opens into the core making machine, the core box automatically closes the mold, sand is shot, ammonia is blown, hardened, the core box is opened, the sand core is transported out, the core is pushed and the core is taken out. During the closing and opening process of the core box, the core box rubs against the base of the core box under the action of the closing cylinder.

[0003] In the existing wear-resistant strip devices, the wear-resistant strips are mostly fixed by bolts, which is inconvenient for the staff to work during installation or replacement, and reduces the efficiency of installation and replacement. After multiple wear, the bolts will loosen, so that the wear-resistant strips will move, which will affect subsequent work.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a wear-resistant strip device to protect the bottom of the core making machine box, thereby solving the technical problem in the prior art that the bolts used for fixing are loosened after repeated use, thus affecting subsequent work.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A wear-resistant strip device for protecting the bottom of a core making machine box comprises: a base body, a placement plate is installed on the top of the base body, fixing plates are installed on both sides of the base body, and a fixing device is installed inside the placement plate;

[0008] The fixing device includes a fixing component and a clamping component. The clamping component includes a threaded rod. One end of the threaded rod is rotatably engaged inside the placement plate, and the other end of the threaded rod movably passes through the placement plate and extends to the outside of the placement plate. A limiting component is installed at one end of the threaded rod located on the outside of the placement plate. Two ends of the threaded rod extending to the inner surface of the placement plate are respectively threadedly engaged with two threaded blocks. An L-shaped fixing plate is installed on the top of the threaded block. Sliding grooves are provided at both ends of the top of the placement plate. Wear-resistant strips are slidably engaged inside the sliding grooves. Card slots are provided on both sides of the wear-resistant strips. The L-shaped fixing plate is clamped with the card slots. An adapting groove is provided at the bottom of the wear-resistant strip, and the adapting groove cooperates with the fixing component.

[0009] Optionally, the fixing component includes two bevel gear 1s, which are both installed at both ends of the threaded rod, a fixing column is installed at the bottom of the sliding groove, a moving block is installed at the bottom of the fixing column, the surfaces of the two bevel gear 1s are meshingly connected with two bevel gear 2s, an annular groove is provided at the top of the bevel gear 2, the bevel gear 2 is slidingly matched with the moving block through the annular groove, a thread groove is provided inside the bevel gear 2, the internal thread of the thread groove is matched with a screw rod, a sliding block is installed on the top of the screw rod, and the sliding block matches the adapter groove.

[0010] Optionally, the limit assembly includes a nut, a limit block is installed at one end of the threaded rod located inside the nut, a limit groove is opened inside the nut, the limit block slides inside the limit groove, a semi-annular groove is opened on the side of the nut away from the threaded rod, a fixing rod is installed on one side of the nut, a fixing groove is opened on one side of the placement plate, the fixing rod and the fixing groove cooperate with each other, and the limit block is connected to the semi-annular groove.

[0011] Optionally, both ends of the threaded rod are bidirectional threads, and the threads of the threaded blocks on the same side are arranged in opposite directions.

[0012] Optionally, bevel gear 2 is located at the rear side of bevel gear 1, and the sliding block moves up and down inside the sliding groove to restrict the sliding block from rotating, and the sliding block does not leave the interior of the sliding groove.

[0013] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0014] Through the cooperation of the set fixing components, threaded rods, limit components, threaded blocks, L-shaped fixing plates, sliding grooves, wear-resistant strips, card slots, adapter slots, etc., the two L-shaped fixing plates can be moved relative to each other, so that the wear-resistant strips can be fixed, so that the wear-resistant strips are clamped and fixed horizontally. The wear-resistant strips can be fixed longitudinally through the fixing components, which makes the installation of the wear-resistant strips simple. When the wear-resistant strips are replaced, it is also convenient for the staff to operate, thereby improving the efficiency of replacing the wear-resistant strips.

[0015] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of the base according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of a placement plate according to an embodiment of the utility model;

[0019] Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Base body; 2. Placement plate; 3. Wear-resistant strip; 4. Limiting assembly; 5. Annular groove; 6. Threaded rod; 7. Threaded block; 8. L-shaped fixing plate; 9. Bevel gear one; 10. Screw; 11. Sliding block; 12. Nut; 13. Fixing rod; 14. Fixing groove; 15. Limiting groove; 16. Semi-annular groove; 17. Limiting block; 18. Bevel gear two; 19. Sliding groove; 20. Card groove; 21. Adapter groove; 22. Threaded groove; 23. Fixing plate; 24. Fixing column; 25. Moving block.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] The utility model will now be further described in detail with reference to the accompanying drawings.

[0024] See also Figure 1-3 As shown, in this embodiment, a wear-resistant strip device for protecting the bottom of a core making machine box is provided, comprising a base body 1, a placement plate 2 is installed on the top of the base body 1, fixing plates 23 are installed on both sides of the base body 1, and a fixing device is installed inside the placement plate 2;

[0025] The fixing device includes a fixing component and a clamping component, and the clamping component includes a threaded rod 6, one end of the threaded rod 6 is rotatably fitted inside the placement plate 2, and the other end of the threaded rod 6 is movably penetrated through the placement plate 2 and extends to the outside of the placement plate 2, and a limiting component 4 is installed at one end of the threaded rod 6 located on the outside of the placement plate 2, and the two ends of the threaded rod 6 extending to the inner surface of the placement plate 2 are respectively threadedly fitted with two threaded blocks 7, and an L-shaped fixing plate 8 is installed on the top of the threaded block 7, and sliding grooves 19 are provided at both ends of the top of the placement plate 2, and the sliding grooves 19 are slidably fitted with wear-resistant strips 3, and both sides of the wear-resistant strips 3 are provided with card grooves 20, and the L-shaped fixing plate 8 is carded with the card groove 20, and the bottom of the wear-resistant strip 3 is provided with an adapting groove 21, and the adapting groove 21 is connected to the fixing plate 8. The fixed components cooperate with each other; the fixed component includes two bevel gears 9, and the two bevel gears 9 are installed at both ends of the threaded rod 6. A fixed column 24 is installed at the bottom of the sliding groove 19, and a moving block 25 is installed at the bottom of the fixed column 24. The surfaces of the two bevel gears 9 are meshed and connected with two bevel gears 2 18. An annular groove 5 is provided on the top of the bevel gear 2 18, and the bevel gear 2 18 slides with the moving block 25 through the annular groove 5. A thread groove 22 is provided inside the bevel gear 2 18, and the internal thread of the thread groove 22 is matched with a screw rod 10. A sliding block 11 is installed on the top of the screw rod 10, and the sliding block 11 cooperates with the adapter groove 21; the two ends of the threaded rod 6 are bidirectional threads, and the threads of the threaded blocks 7 on the same side are arranged in opposite directions.

[0026] The application of one aspect of this embodiment is as follows: when in use, the staff places the wear-resistant strip 3 inside the sliding groove 19, and when the limit block 17 is located inside the limit groove 15, the staff rotates the nut 12, and the rotation of the nut 12 drives the threaded rod 6 to rotate, and the rotation of the threaded rod 6 drives the threaded blocks 7 to move relative to each other, and the movement of the threaded block 7 drives the L-shaped fixing plate 8 to move, and when the L-shaped fixing plate 8 moves to the inside of the slot 20, the wear-resistant strip 3 can be fixed in the horizontal direction, and at the same time, the rotation of the threaded rod 6 drives the bevel gear 1 9 to rotate, and the rotation of the bevel gear 1 9 drives the bevel gear 2 18 to rotate, and the rotation of the bevel gear 2 18 drives the screw rod 10 to move upward, and the movement of the screw rod 10 drives the sliding block 11 to move, and when the sliding block 11 moves to the inside of the adapter slot 21, the wear-resistant strip 3 can be fixed in the longitudinal direction. When the bevel gear 18 rotates, the moving block 25 installed on the bottom side of the sliding groove 19 through the fixing column 24 rotates in the annular groove 5 opened on the upper surface of the bevel gear 18, supporting the bevel gear 18 so that it will not fall or deviate. When the wear-resistant strip 3 is fixed, the staff moves the nut 12, and the movement of the nut 12 drives the fixing rod 13 to move. When the semi-annular groove 16 inside the nut 12 moves to the position of the limit block 17, the staff rotates the nut 12 so that the fixing rod 13 on the nut 12 matches the fixing groove 14, and stops rotating the nut 12. At this time, the staff moves the nut 12 again so that the fixing rod 13 moves to the inside of the fixing groove 14, thereby completing the fixation of the threaded rod 6. The degree of the semi-annular groove 16 is 180 degrees.

[0027] The limiting assembly 4 of this embodiment includes a nut 12, a limiting block 17 is installed at one end of the threaded rod 6 located inside the nut 12, a limiting groove 15 is provided inside the nut 12, and the limiting block 17 slides inside the limiting groove 15, a semi-annular groove 16 is provided on the side of the nut 12 away from the threaded rod 6, a fixing rod 13 is installed on one side of the nut 12, a fixing groove 14 is provided on one side of the placement plate 2, the fixing rod 13 and the fixing groove 14 cooperate with each other, and the limiting block 17 is connected to the semi-annular groove 16; the bevel gear 2 18 is located at the rear side of the bevel gear 1 9, and the sliding block 11 moves up and down inside the sliding groove 19 to limit the sliding block 11 so that it does not rotate, and the sliding block 11 does not separate from the sliding groove 19.

[0028] During the implementation process, the staff moves the nut 12, and the movement of the nut 12 drives the fixing rod 13 to move. When the semi-annular groove 16 inside the nut 12 moves to the position of the limit block 17, the staff rotates the nut 12 so that the fixing rod 13 on the nut 12 matches the fixing groove 14, and then stops rotating the nut 12. At this time, the staff moves the nut 12 again so that the fixing rod 13 moves to the inside of the fixing groove 14, and the threaded rod 6 can be fixed. The degree of the semi-annular groove 16 is 180 degrees.

[0029] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A wear strip device for protecting the bottom of a core making machine box, characterized in that: include: A base body (1), a placement plate (2) is installed on the top of the base body (1), fixing plates (23) are installed on both sides of the base body (1), and a fixing device is installed inside the placement plate (2); The fixing device comprises a fixing component and a clamping component, wherein the clamping component comprises a threaded rod (6), one end of the threaded rod (6) is rotatably engaged with the inside of the placement plate (2), and the other end of the threaded rod (6) is movably penetrated through the placement plate (2) and extends to the outside of the placement plate (2); a limiting component (4) is installed at one end of the threaded rod (6) located on the outside of the placement plate (2); two ends of the threaded rod (6) extending to the inner surface of the placement plate (2) are respectively threadedly engaged with two threaded blocks (7); an L-shaped fixing plate (8) is installed on the top of the threaded block (7); sliding grooves (19) are provided at both ends of the top of the placement plate (2); a wear-resistant strip (3) is slidably engaged inside the sliding groove (19); a clamping groove (20) is provided on both sides of the wear-resistant strip (3); the L-shaped fixing plate (8) is clamped with the clamping groove (20); an adapting groove (21) is provided at the bottom of the wear-resistant strip (3); the adapting groove (21) cooperates with the fixing component.

2. A wear strip device for protecting the bottom of a core making machine box according to claim 1, characterized in that: The fixing assembly comprises two bevel gears (9), the two bevel gears (9) are both mounted at two ends of a threaded rod (6), a fixing column (24) is mounted at the bottom of the sliding groove (19), a moving block (25) is mounted at the bottom of the fixing column (24), two bevel gears (18) are meshedly connected on the surfaces of the two bevel gears (9), an annular groove (5) is provided at the top of the bevel gear (18), the bevel gear (18) is slidably matched with the moving block (25) through the annular groove (5), a thread groove (22) is provided inside the bevel gear (18), the internal thread of the thread groove (22) is matched with a screw rod (10), a sliding block (11) is mounted on the top of the screw rod (10), and the sliding block (11) is matched with the matching groove (21).

3. A wear strip device for protecting the bottom of a core making machine box according to claim 1, characterized in that: The limiting assembly (4) comprises a nut (12), a limiting block (17) is installed at one end of the threaded rod (6) located inside the nut (12), a limiting groove (15) is provided inside the nut (12), the limiting block (17) slides inside the limiting groove (15), a semi-annular groove (16) is provided inside the nut (12) on a side away from the threaded rod (6), a fixing rod (13) is installed on one side of the nut (12), a fixing groove (14) is provided on one side of the placement plate (2), the fixing rod (13) and the fixing groove (14) cooperate with each other, and the limiting block (17) is connected to the semi-annular groove (16).

4. A wear strip device for protecting the bottom of a core making machine box according to claim 1, characterized in that: Both ends of the threaded rod (6) are bidirectional threads, and the threads of the threaded block (7) on the same side are arranged in opposite directions.

5. A wear strip device for protecting the bottom of a core making machine box according to claim 2, characterized in that: The second bevel gear (18) is located at the rear side of the first bevel gear (9), and the sliding block (11) moves up and down inside the sliding groove (19) to limit the sliding block (11) so that it does not rotate, and the sliding block (11) does not leave the inside of the sliding groove (19).

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