Molding tool

Abstract

The utility model relates to a modeling tool which comprises a jacking mechanism and a plurality of telescopic mechanisms, the telescopic mechanisms are arranged around the jacking mechanism, and the telescopic mechanisms are evenly arranged on the circumference with the jacking mechanism as the center. The telescopic mechanism comprises a telescopic assembly and a fine adjustment assembly, and the fine adjustment assembly is arranged on the telescopic assembly; the jacking mechanism abuts against the bottom of the sand mold, and the fine adjustment assembly is connected with the sand mold. The multiple telescopic mechanisms are arranged around the jacking mechanism and evenly arranged on the circumference with the jacking mechanism as the center, and after the placing positions of the multiple telescopic mechanisms are changed, the multiple telescopic mechanisms can be connected with the edge of a sand mold with the rectangular, round, oval or polygonal cross section so as to effectively support the sand mold. And the flexibility of the modeling tool is improved. Through cooperation of the lifting assembly and the fine adjustment assembly, the moving efficiency of the modeling tool in the vertical direction is improved, the telescopic assembly is matched with sand molds of different heights through large-range lifting, and the flexibility of the modeling tool is further improved.

Description

Technical Field

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

[0002] Sand casting is a method of producing castings in sand molds. Steel, iron, and most nonferrous alloy castings can be produced using this method. Because the molding materials used are inexpensive and readily available, the molds are simple to manufacture, and sand casting is adaptable to single-piece, batch, and mass production, it has long been a fundamental process in foundry production.

[0003] The main steps of sand casting include drawing, mold making, core making, molding, melting and pouring, cleaning, etc. During the molding process, the sand mold needs to be supported and fixed. The existing support tooling can only match one sand mold or one type of sand mold, and is not flexible. Especially when the support height requirements of the two sand molds are greatly different, different support tooling needs to be replaced, which reduces work efficiency. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a shaping tool, which solves the technical problem of poor flexibility of the supporting tool.

[0006] (2) Technical solution

[0007] In order to achieve the above-mentioned purpose, the modeling tool of the present invention includes a lifting mechanism and multiple telescopic mechanisms;

[0008] The plurality of telescopic mechanisms are arranged around the lifting mechanism, and the plurality of telescopic mechanisms are evenly arranged on a circumference centered on the lifting mechanism;

[0009] The telescopic mechanism includes a telescopic component and a fine-tuning component. The fine-tuning component is arranged on the telescopic component. The fine-tuning component is connected to the sand mold. The lifting mechanism abuts against the bottom of the sand mold.

[0010] Optionally, the telescopic assembly includes a base and columns arranged in pairs on the base, the columns are arranged vertically, and the fine-tuning assembly is arranged on the top of the columns.

[0011] Optionally, the column includes a fixed column, a lifting column and a positioning pin;

[0012] The fixing column is vertically arranged on the base, the lifting column is slidably connected to the fixing column, the movement direction of the lifting column is parallel to the axial direction of the fixing column, and the positioning pin can lock the position of the lifting column on the fixing column.

[0013] Optionally, the fixed column is in a hollow tubular shape, and the lifting column is slidably sleeved in the fixed column;

[0014] A pair of first limiting holes is formed on the fixing column, and the central axes of the pair of first limiting holes are collinear and orthogonal to the central axis of the fixing column;

[0015] The lifting column is provided with a plurality of pairs of second limiting holes extending through the lifting column at intervals along the length direction, wherein the central axis of each pair of the second limiting holes is orthogonal to the central axis of the lifting column;

[0016] The diameter of the positioning pin is smaller than the inner diameters of the first limiting hole and the second limiting hole, and the positioning pin is sleeved in a pair of the first limiting holes and a pair of the second limiting holes.

[0017] Optionally, a reinforcing rib is provided between the fixing column and the base.

[0018] Optionally, the fine-tuning assembly includes a fine-tuning bracket, a fine-tuning plate, and an adjusting screw;

[0019] The fine-tuning bracket is provided on the telescopic assembly, and the fine-tuning plate is located above the fine-tuning bracket;

[0020] The adjusting screw is vertically arranged, the adjusting screw is threadedly connected to the telescopic bracket, and the upper end of the adjusting screw is rotatably connected to the fine-tuning plate.

[0021] Optionally, a first through hole is opened on the fine-tuning bracket, a nut is provided on the fine-tuning bracket, the first through hole and the nut are coaxially arranged, and the adjusting screw is sleeved in the first through hole and threadedly connected to the nut.

[0022] Optionally, the fine-tuning assembly further includes a lifting frame and a plurality of guide columns;

[0023] The lifting frame is arranged on the telescopic assembly, the fine-adjustment bracket is stacked on the lifting frame, a second through hole is opened on the lifting frame, the second through hole is coaxial with the first through hole, and the adjustment screw is sleeved in the first through hole and the second through hole;

[0024] A plurality of third through holes are coaxially formed on the fine-tuning bracket and the lifting frame. The guide column is connected to the fine-tuning plate, and the guide columns are slidably connected to the third through holes in a one-to-one correspondence.

[0025] Optionally, a rotating rod is provided at the lower end of the adjusting screw.

[0026] Optionally, the jacking mechanism includes a fixed bracket and a jack provided on the fixed bracket, and the jack abuts against the bottom of the sand mold.

[0027] (3) Beneficial effects

[0028] Multiple telescopic mechanisms are arranged around the jacking mechanism, and the multiple telescopic mechanisms are evenly arranged on a circumference centered on the jacking mechanism. After changing their placement positions, the multiple telescopic mechanisms can be connected to the edge of a sand mold with a rectangular, circular, elliptical or polygonal cross-section and effectively support it, thereby improving the flexibility of the molding tooling.

[0029] The coordination of the lifting assembly and the fine-tuning assembly improves the vertical movement efficiency of the molding tooling. Furthermore, the telescopic assembly can be lifted and lowered over a wide range to match sand molds of different heights, further enhancing the flexibility of the molding tooling. Furthermore, the jacking mechanism abuts against the bottom of the sand mold. After the sand mold is lifted to a set height by the jacking mechanism, the height of the telescopic mechanism is adjusted so that the telescopic mechanism provides stable support for the sand mold. The coordination of the jacking mechanism and the telescopic mechanism can improve the stability of the support. Furthermore, after the telescopic mechanism is connected to the sand mold for support, the jacking mechanism unloads the force, and support is provided only by the telescopic mechanism, which can prevent the jacking mechanism from being damaged by prolonged stress. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic structural diagram of the modeling tooling of the present utility model;

[0031] Figure 2 A three-dimensional diagram of the telescopic mechanism of the modeling tooling of the present invention;

[0032] Figure 3 This is a front view of the telescopic mechanism of the modeling tooling of the present utility model.

[0033] [Description of Reference Numerals]

[0034] 1: Lifting mechanism; 11: Fixed bracket; 12: Jack;

[0035] 2: telescopic mechanism;

[0036] 21: telescopic assembly; 211: base; 212: column; 213: fixed column; 214: lifting column; 215: positioning pin; 216: reinforcement rib;

[0037] 22: fine-tuning assembly; 221: fine-tuning bracket; 222: fine-tuning plate; 223: adjusting screw; 224: nut; 225: lifting frame; 226: guide column; 227: rotating rod;

[0038] 3: Sand mold. DETAILED DESCRIPTION

[0039] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below with reference to the accompanying drawings and through specific embodiments. Figure 1 The orientation is referenced.

[0040] Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. Instead, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0041] The utility model provides a molding tool for supporting various types of sand molds 3. The molding tool comprises a lifting mechanism 1 and a plurality of telescopic mechanisms 2, wherein the plurality of telescopic mechanisms 2 are arranged around the lifting mechanism 1 and are evenly arranged on a circumference centered on the lifting mechanism 1. After the plurality of telescopic mechanisms 2 are changed in position, they can be connected to the edge of the sand mold 3 with a rectangular, circular, elliptical or polygonal cross section to effectively support it, thereby improving the flexibility of the molding tool. Figure 1 As shown, an inverted truncated cone sand mold 3 is taken as an example for explanation.

[0042] like Figure 2 As shown, the telescopic mechanism 2 includes a telescopic component 21 and a fine-tuning component 22. The fine-tuning component 22 is arranged on the telescopic component 21 and connected to the sand mold 3. The telescopic component 21 is used to roughly adjust the position of the fine-tuning component 22 by rapid lifting and lowering, so as to move the fine-tuning component 22 to a position close to the sand mold 3. The fine-tuning of the fine-tuning component 22 ensures that the fine-tuning component 22 can be tightly connected to the sand mold 3 to provide support. The coordination of the lifting component and the fine-tuning component 22 improves the vertical movement efficiency of the molding tool. In addition, the telescopic component 21 can match the sand molds 3 of different heights through a large range of lifting and lowering. It is easy to use and can quickly adjust the support height, solving the shortcoming of the limited adjustment range of a single tool and further improving the flexibility of the molding tool. Furthermore, the lifting mechanism 1 abuts the bottom of the sand mold 3. After the sand mold 3 is lifted to a set height by the lifting mechanism 1, the height of the telescopic mechanism 2 is adjusted so that the telescopic mechanism 2 forms a stable support for the sand mold 3. The cooperation between the jacking mechanism 1 and the telescopic mechanism 2 can improve the stability of the support. On the other hand, after the telescopic mechanism 2 is connected to the sand mold 3 for support, the jacking mechanism 1 unloads the force and is supported only by the telescopic mechanism 2, which can prevent the jacking mechanism 1 from being damaged by long-term force.

[0043] like Figure 3As shown, the telescopic assembly 21 includes a base 211 and a pair of telescopic columns 212 arranged on the base 211. The columns 212 can be a pair or a pair of columns 212, preferably a pair of columns 212. The columns 212 are arranged vertically, and the fine-tuning assembly 22 is arranged on the top of the columns 212. Specifically, the columns 212 include a fixed column 213, a lifting column 214, and a positioning pin 215. The fixed column 213 is vertically arranged on the base 211. The lifting column 214 is slidably connected to the fixed column 213. The movement direction of the lifting column 214 is parallel to the axial direction of the fixed column 213, that is, the lifting column 214 moves in the vertical direction. By manually driving the lifting column 214 to move, the overall length of the column 212 and the horizontal height of the fine-tuning assembly 22 can be quickly changed. The positioning pin 215 can lock the position of the lifting column 214 on the fixed column 213 to ensure that the column 212 does not shrink when subjected to force.

[0044] In one embodiment, see Figure 2 and Figure 3 The fixed column 213 and the lifting column 214 are both hollow tubular. The lifting column 214 is slidably mounted in the fixed column 213. The lifting column 214 and the fixed column 213 are in the form of sleeves. A pair of first limiting holes are provided on the fixed column 213. The central axes of the pair of first limiting holes are collinear and orthogonal to the central axis of the fixed column 213. The lifting column 214 is provided with multiple pairs of second limiting holes spaced apart along the length direction, penetrating the lifting column 214. The central axis of each pair of second limiting holes is orthogonal to the central axis of the lifting column 214. After the lifting column 214 moves vertically to a set height, it is fine-tuned up and down to align the first limiting holes with the second limiting holes. The set height refers to moving the fine-tuning assembly 22 from bottom to top to a position as close to the sand mold 3 as possible. The diameter of the positioning pin 215 is smaller than the inner diameter of the first limiting hole and the second limiting hole. The positioning pin 215 is sleeved in the pair of first limiting holes and the pair of second limiting holes, thereby locking the current position of the lifting column 214.

[0045] In another embodiment, the fixed column 213 is a solid column with a slide groove defined in its sidewall, and the lifting column 214 is slidably connected to the slide groove (not shown in the figure). The fixed column 213 is defined by a first limiting hole, the central axis of which is orthogonal to the central axis of the fixed column 213, and the first limiting hole is connected to the slide groove. The lifting column 214 is provided with a plurality of second limiting holes spaced along its length, extending through the lifting column 214, the central axis of each second limiting hole being orthogonal to the central axis of the lifting column 214. The diameter of the locating pin 215 is smaller than the inner diameter of the first and second limiting holes, and the locating pin 215 is sleeved into a pair of first limiting holes and one second limiting hole.

[0046] In both embodiments, the first limiting hole and the second limiting hole can be threadedly connected to the positioning pin 215 to increase the stability of the connection.

[0047] Preferably, see Figure 2 A reinforcing rib 216 is provided between the fixing column 213 and the base 211 to improve the strength of the fixing column 213 .

[0048] like Figure 3 As shown, the fine-tuning assembly 22 includes a fine-tuning bracket 221, a fine-tuning plate 222, and an adjustment screw 223. The fine-tuning bracket 221 is mounted on top of the lifting column 214 of the telescopic assembly 21, and the fine-tuning plate 222 is positioned above the fine-tuning bracket 221. The adjustment screw 223 is vertically mounted and threadedly connected to the telescopic bracket. The upper end of the adjustment screw 223 passes through the telescopic bracket and is rotatably connected to the fine-tuning plate 222. The height of the fine-tuning plate 222 is adjusted by manually rotating the adjustment screw 223. Preferably, a rotating rod 227 is provided at the lower end of the adjustment screw 223 to facilitate user operation and facilitate the connection of an extension rod to the rotating rod 227.

[0049] Specifically, a first through hole is opened on the fine-tuning bracket 221 , a nut 224 is provided on the fine-tuning bracket 221 , the first through hole and the nut 224 are coaxially arranged, and the adjusting screw 223 is sleeved in the first through hole and threadedly connected to the nut 224 .

[0050] Further, see Figure 3 The fine-tuning assembly 22 also includes a lifting frame 225 and a plurality of guide columns 226. The lifting frame 225 is arranged on top of the lifting column 214 of the telescopic assembly 21, and the fine-tuning bracket 221 is stacked on the lifting frame 225. A second through hole is provided on the lifting frame 225, which is coaxial with the first through hole, and the adjusting screw 223 is sleeved in the first through hole and the second through hole. A plurality of third through holes are coaxially provided on the lifting frame 225 and the fine-tuning bracket 221, one end of the guide column 226 is connected to the fine-tuning plate 222, and the plurality of guide columns 226 are slidably connected to the plurality of third through holes in a one-to-one correspondence, and the fine-tuning plate 222 is restricted to vertical up and down movement by the plurality of guide columns 226.

[0051] like Figure 1 As shown, the jacking mechanism 1 includes a fixed bracket 11 and a jack 12 arranged on the fixed bracket 11. The jack 12 abuts against the bottom of the sand mold 3. The jack 12 includes a hydraulic jack 12, an airbag jack 12, etc., and the number of the jacks 12 can be one or more.

[0052] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0053] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0054] In the present invention, unless otherwise expressly specified or limited, when a first feature is “above” or “below” a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above,” “above,” or “above” a second feature, it may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is “below,” “below,” or “below” a second feature, it may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0055] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0056] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A shaping tool, characterized in that: The molding tool comprises a lifting mechanism (1) and a plurality of telescopic mechanisms (2); The plurality of telescopic mechanisms (2) are arranged around the lifting mechanism (1), and the plurality of telescopic mechanisms (2) are evenly arranged on a circumference centered on the lifting mechanism (1); The telescopic mechanism (2) comprises a telescopic component (21) and a fine-tuning component (22); the fine-tuning component (22) is arranged on the telescopic component (21); the fine-tuning component (22) is connected to the sand mold (3); and the lifting mechanism (1) abuts against the bottom of the sand mold (3).

2. The shaping tool as claimed in claim 1, characterized in that: The telescopic assembly (21) comprises a base (211) and columns (212) arranged in pairs on the base (211); the columns (212) are arranged vertically, and the fine-tuning assembly (22) is arranged on the top of the columns (212).

3. The shaping tool as claimed in claim 2, characterized in that: The column (212) includes a fixed column (213), a lifting column (214) and a positioning pin (215); The fixed column (213) is vertically arranged on the base (211), the lifting column (214) is slidably connected to the fixed column (213), the movement direction of the lifting column (214) is parallel to the axial direction of the fixed column (213), and the positioning pin (215) can lock the position of the lifting column (214) on the fixed column (213).

4. The shaping tool as claimed in claim 3, characterized in that: The fixed column (213) is in the shape of a hollow tube, and the lifting column (214) is slidably sleeved in the fixed column (213); A pair of first limiting holes are formed on the fixing column (213), and the central axes of the pair of first limiting holes are collinear and orthogonal to the central axis of the fixing column (213); The lifting column (214) is provided with a plurality of pairs of second limiting holes extending through the lifting column (214) at intervals along the length direction, and the central axis of each pair of the second limiting holes is orthogonal to the central axis of the lifting column (214); The diameter of the positioning pin (215) is smaller than the inner diameters of the first limiting hole and the second limiting hole, and the positioning pin (215) is sleeved in a pair of the first limiting holes and a pair of the second limiting holes.

5. The shaping tool as claimed in claim 3, characterized in that: A reinforcing rib (216) is provided between the fixing column (213) and the base (211).

6. The shaping tool as claimed in claim 1, characterized in that: The fine-tuning assembly (22) comprises a fine-tuning bracket (221), a fine-tuning plate (222) and an adjusting screw (223); The fine-tuning bracket (221) is arranged on the telescopic component (21), and the fine-tuning plate (222) is located above the fine-tuning bracket (221); The adjusting screw (223) is vertically arranged, the adjusting screw (223) is threadedly connected to the telescopic bracket, and the upper end of the adjusting screw (223) is rotatably connected to the fine-tuning plate (222).

7. The shaping tool as claimed in claim 6, characterized in that: A first through hole is provided on the fine-tuning bracket (221), a nut (224) is provided on the fine-tuning bracket (221), the first through hole and the nut (224) are coaxially arranged, and the adjusting screw (223) is sleeved in the first through hole and threadedly connected to the nut (224).

8. The shaping tool as claimed in claim 7, characterized in that: The fine-tuning assembly (22) further includes a lifting frame (225) and a plurality of guide posts (226); The lifting frame (225) is arranged on the telescopic component (21), the fine-tuning bracket (221) is stacked on the lifting frame (225), a second through hole is opened on the lifting frame (225), the second through hole is coaxial with the first through hole, and the adjusting screw (223) is sleeved in the first through hole and the second through hole; The fine-tuning bracket (221) and the lifting frame (225) are coaxially provided with a plurality of third through holes, the guide column (226) is connected to the fine-tuning plate (222), and the plurality of guide columns (226) are slidably connected to the plurality of third through holes in a one-to-one correspondence.

9. The shaping tool according to claim 6, characterized in that: A rotating rod (227) is provided at the lower end of the adjusting screw (223).

10. The shaping tool according to claim 1, characterized in that: The lifting mechanism (1) comprises a fixed bracket (11) and a jack (12) arranged on the fixed bracket (11), and the jack (12) abuts against the bottom of the sand mold (3).

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