Sand box for casting parts

Abstract

The utility model relates to the technical field of sand boxes, and particularly discloses a sand box for casting parts, which comprises four groups of turning plates, and connecting plates are arranged between adjacent turning plates; butt joint strips are connected to the two sides of the connecting plate, butt joint grooves in butt joint with the butt joint strips are formed in one side of the turning plate, and a positioning mechanism is installed on the turning plate and used for fixing the butt joint strips in the butt joint grooves; the positioning mechanism comprises a moving strip and two groups of guide blocks connected to the moving strip, a moving groove used for horizontal sliding of the moving strip is formed in the outer wall of the turning plate, inserting grooves in butt joint with the guide blocks are formed in one side of the butt joint strip, transverse rods are slidably connected into the guide blocks, and the sides, away from each other, of the two groups of transverse rods are connected with limiting blocks; the connecting plate can be installed between the two sets of turning plates, the butt joint strip is in butt joint with the interior of the butt joint groove, the positioning mechanism can limit horizontal movement of the connecting plate, installation of the connecting plate is facilitated, gaps communicated with the outside after splicing are few, molding sand is stably fixed, and the stability of the shape and size of a casting mold in the pouring process is kept.

Description

Technical Field

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

[0002] Sand box casting is suitable for producing castings of various shapes and sizes, from simple shapes like circles and squares to complex shapes such as curved surfaces and grooves. Common sand box materials include cast iron, cast steel, cast aluminum, and steel plate. These materials have excellent strength and wear resistance, meeting the various requirements of the casting process.

[0003] In order to meet the needs of use, most of the existing sand boxes are splicing type, which is convenient for adjusting the overall size after partial replacement. For example, a plug-in universal casting sand box disclosed in the existing patent announcement number CN219025860U includes a first side panel, a second side panel, a fixing screw, a connecting pin, a first fixing screw hole, a first connecting pin hole, a prying hole, a second fixing screw hole, and a second connecting pin hole; wherein, the outer walls of the first side panel and the second side panel are both recessed with a weight-reducing groove, and the left and right side walls of the first side panel are provided with a first fixing screw hole, a first connecting pin hole and a prying hole, wherein the first fixing screw hole is located at both ends of the left and right side walls of the first side panel, and the first connecting pin hole is located in the middle of the left and right side walls of the first side panel; the first side panel or the second side panel is assembled in the length direction, width direction and height direction by connecting and disassembling the pins and fixing screws, so as to realize the diversification of the shape and size of the sand box casting products.

[0004] The above-mentioned flask can be adjusted in size and the panels can be spliced together. However, when the flask is only adjusted in length or width, it is inconvenient to operate and the splicing is cumbersome. Moreover, there are many gaps between the flask and the outside after splicing, which affects its usability. In order to solve the above problems, a flask for component casting is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a sand box for casting parts to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A sand box for casting parts, comprising four sets of inflection plates, with connecting plates provided between adjacent inflection plates;

[0008] Both sides of the connecting plate are connected to the docking strips, one side of the bending plate is provided with a docking groove for docking with the docking strip, and a positioning mechanism is installed on the bending plate for fixing the docking strip in the docking groove;

[0009] The positioning mechanism includes a moving bar and two groups of guide blocks connected to the moving bar. The outer wall of the inflection plate is provided with a moving groove for the horizontal sliding of the moving bar. One side of the docking bar is provided with a slot docking with the guide block. The guide block is slidably connected to the cross bar. The two groups of cross bars are connected to the limit blocks on the side away from each other. The two groups of slots are provided with a limit groove for the limit blocks to be placed on the side away from each other. An adjusting piece is installed on the moving bar to adjust the two groups of cross bars to move closer or farther away.

[0010] In an optional solution, a rectangular hole for sliding of the limit block is provided on the side away from each other of the two groups of guide blocks.

[0011] In an optional solution: a guide hole for the guide block to slide is provided on one side of the movable groove, and the guide hole is communicated with the docking groove.

[0012] In an optional solution: the adjustment member includes a sliding rod and a paddle plate, the sides of the two groups of cross bars that are close to each other are connected to the sliding rod, the sides of the two groups of sliding rods that are close to each other are connected to the paddle plate, the sliding rod is slidably connected in the moving bar, and one side of the moving bar is provided with an adjustment groove for sliding the paddle plate, and the sides of the two groups of adjustment grooves that are close to each other are connected by a spring telescopic rod.

[0013] In an optional solution: the spring telescopic rod includes a spring sleeve and a sliding rod, the adjacent sides of the two groups of paddles are connected to the spring sleeve, the sliding rod is arranged between the two groups of spring sleeves, and the end of the sliding rod is slid into the spring sleeve to connect with the spring.

[0014] In an optional solution: the side of the movable bar away from the guide block is connected to the fixed block, the fixed block is provided with a bolt hole, and one side of the movable groove is provided with a receiving groove for receiving the fixed block.

[0015] In an optional solution: a through hole communicating with the docking groove is provided on one side of the turning plate, and a screw hole corresponding to the through hole is provided on the docking strip.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The connecting plate in the utility model can be installed between two sets of bend plates, and the connecting strips are connected to the connecting grooves. The positioning mechanism can limit the horizontal movement of the connecting plate, which is convenient for installation of the connecting plate. There is little gap between the connecting plate and the outside after splicing, which stabilizes the molding sand and keeps the shape and size of the mold stable during the pouring process.

[0018] In the present invention, when the length or width needs to be adjusted separately, the corresponding two sets of connecting plates can be replaced without affecting the fixation of other connecting plates, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the present utility model.

[0020] Figure 2 This is a schematic diagram of the partially split structure of the utility model.

[0021] Figure 3 It is a structural schematic diagram of the connecting plate in the utility model.

[0022] Figure 4 It is a schematic diagram of the split structure of the positioning mechanism and the inflection plate in the utility model.

[0023] Figure 5 It is a schematic diagram of the disassembled structure of the positioning mechanism in the utility model.

[0024] In the figure: 11, turning plate; 12, connecting plate; 13, positioning mechanism; 14, through hole; 15, docking strip; 16, screw hole; 17, docking groove; 18, slot; 19, limit slot; 20, moving groove; 21, guide hole; 22, moving strip; 23, fixed block; 24, adjusting groove; 25, guide block; 26, sliding rod; 27, dial plate; 28, spring telescopic rod; 29, cross bar; 30, limit block. DETAILED DESCRIPTION

[0025] 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, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0026] 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.

[0027] See also Figure 1-Figure 5 In this embodiment, a sand box for casting parts includes four sets of inflection plates 11, and connecting plates 12 are provided between adjacent inflection plates 11;

[0028] Both sides of the connecting plate 12 are connected to the docking strips 15, and one side of the inflection plate 11 is provided with a docking groove 17 for docking with the docking strip 15. A positioning mechanism 13 is installed on the inflection plate 11 for fixing the docking strip 15 in the docking groove 17;

[0029] The positioning mechanism 13 includes a moving bar 22 and two groups of guide blocks 25 connected to the moving bar 22. The outer wall of the inflection plate 11 is provided with a moving groove 20 for the horizontal sliding of the moving bar 22. One side of the docking bar 15 is provided with a slot 18 docking with the guide block 25. The guide block 25 is slidably connected to a cross bar 29. The two groups of cross bars 29 are connected to a limit block 30 on the side away from each other. The two groups of slots 18 are provided with a limit groove 19 for the limit block 30 to be placed on the side away from each other. An adjustment member is installed on the moving bar 22 to adjust the two groups of cross bars 29 to move closer or farther away.

[0030] In this embodiment, a suitable size of connecting plate 12 can be selected for use. The connecting plate 12 can be installed between the two sets of inflection plates 11. The docking strip 15 is docked into the docking groove 17. The movable strip 22 can be operated to move horizontally in the movable groove 20, so that the guide block 25 is inserted into the slot 18 to limit the up and down movement of the connecting plate 12. When the movable strip 22 is moving, the two sets of cross bars 29 are adjusted to be close by the adjusting member. After the guide block 25 is inserted into the slot 18, the two sets of cross bars 29 are adjusted to be away from each other. The limit block 30 is placed in the limit groove 19, which can limit the horizontal movement of the connecting plate 12 and facilitate the installation of the connecting plate 12.

[0031] When the length or width needs to be adjusted separately, the corresponding two sets of connecting plates 12 can be replaced without affecting the fixation of other connecting plates 12, which is easy to operate.

[0032] like Figure 5 As shown, the two sets of guide blocks 25 are provided with rectangular holes on the sides away from each other for the limiting blocks 30 to slide.

[0033] like Figure 4 As shown, a guide hole 21 for the guide block 25 to slide is provided on one side of the movable groove 20, and the guide hole 21 is connected to the docking groove 17; the guide block 25 can perform stable horizontal movement while limiting the movement of the movable bar 22 from the movable groove 20.

[0034] like Figure 5 As shown, the adjustment member includes a slide bar 26 and a dial plate 27. The two groups of cross bars 29 are connected to the slide bar 26 on the side close to each other, and the two groups of slide bars 26 are connected to the dial plate 27 on the side close to each other. The slide bar 26 is slidably connected to the moving bar 22. One side of the moving bar 22 is provided with an adjustment slot 24 for sliding the dial plate 27. The two groups of adjustment slots 24 are connected on the side close to each other by a spring telescopic rod 28.

[0035] The two sets of dial plates 27 are pressed together, the slide bar 26 slides in the moving bar 22 , and the two sets of cross bars 29 are pulled together, so that the limiting block 30 is separated from the limiting groove 19 .

[0036] The spring telescopic rod 28 includes a spring sleeve and a slide rod. The adjacent sides of the two sets of the paddles 27 are connected to the spring sleeve. The slide rod is arranged between the two sets of spring sleeves, and the end of the slide rod is slidably placed in the spring sleeve to connect with the spring.

[0037] When the two sets of shift plates 27 are pressed together, the slide bar slides deep into the spring sleeve and squeezes the spring. When the shift plates 27 are released, the two sets of shift plates 27 can be squeezed away from each other by the elastic force of the spring.

[0038] like Figure 4 and Figure 5 As shown, the side of the movable bar 22 away from the guide block 25 is connected to the fixed block 23, and the fixed block 23 is provided with a bolt hole, and one side of the movable groove 20 is provided with a receiving groove for receiving the fixed block 23; when the movable bar 22 slides close to the side of the fixed block 23, the guide block 25 disengages from the slot 18, and the fixed block 23 can be received in the receiving groove; when the guide block 25 is placed in the slot 18, the bolts corresponding to the bolt holes on the fixed block 23 can be used to fix the fixed block 23 on the turning plate 11. In actual use, holes corresponding to the bolt holes can be opened in the movable groove 20 to facilitate the connection of the bolts.

[0039] like Figure 1 and Figure 2 As shown, one side of the bend plate 11 is provided with a through hole 14 connected to the docking groove 17, and the docking strip 15 is provided with a screw hole 16 corresponding to the through hole 14; in actual use, if the connecting plate 12 needs to be further fixed, bolts corresponding to the screw holes 16 can also be used to connect the docking strip 15 to the bend plate 11.

[0040] The working principle of the present invention is as follows: a connecting plate 12 of suitable size is selected and installed between the two groups of inflection plates 11, the connecting strip 15 is connected to the connecting groove 17, the movable strip 22 can be operated to move horizontally in the movable groove 20, so that the guide block 25 is inserted into the slot 18 to limit the up and down movement of the connecting plate 12, and the movable strip 22 is moving, pressing the two groups of dial plates 27 to move closer, the slide rod slides deep into the spring sleeve and squeezes the spring, and after the guide block 25 is inserted into the slot 18, the dial plate 27 is released, and the elastic force of the spring can squeeze the two groups of dial plates 27 away, and the limit block 30 is placed in the limit groove 19, which can limit the horizontal movement of the connecting plate 12 and facilitate the installation of the connecting plate 12;

[0041] When the length or width needs to be adjusted separately, the corresponding two sets of connecting plates 12 can be replaced without affecting the fixation of other connecting plates 12, which is easy to operate;

[0042] In actual manufacturing, flanges, reinforcing ribs, exhaust holes and other structures can be opened on the inflection plate 11 and the connecting plate 12 to enhance the strength and rigidity of the sand box. At the same time, the exhaust holes can discharge the gas inside the sand box during pouring.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A sand box for casting parts, comprising four sets of inflection plates (11), wherein connecting plates (12) are provided between adjacent inflection plates (11); Its characteristics are: Both sides of the connecting plate (12) are connected to the docking strips (15); one side of the bending plate (11) is provided with a docking groove (17) for docking with the docking strip (15); a positioning mechanism (13) is installed on the bending plate (11) for fixing the docking strip (15) in the docking groove (17); The positioning mechanism (13) comprises a moving bar (22) and two groups of guide blocks (25) connected to the moving bar (22); the outer wall of the turning plate (11) is provided with a moving groove (20) for the horizontal sliding of the moving bar (22); one side of the docking bar (15) is provided with a slot (18) docking with the guide block (25); a cross bar (29) is slidably connected inside the guide block (25); the two groups of cross bars (29) are connected to a limiting block (30) on the side away from each other; the two groups of slots (18) are provided with a limiting groove (19) for the limiting block (30) to be placed on the side away from each other; an adjusting member is installed on the moving bar (22) for adjusting the two groups of cross bars (29) to move closer or farther away.

2. The sand box for casting parts according to claim 1, characterized in that: The two groups of guide blocks (25) are each provided with a rectangular hole on the side away from each other for the limiting block (30) to slide.

3. The sand box for casting parts according to claim 1, characterized in that: A guide hole (21) for the guide block (25) to slide is provided on one side of the movable groove (20), and the guide hole (21) is communicated with the docking groove (17).

4. The flask for casting parts according to claim 1, characterized in that: The adjusting member comprises a slide bar (26) and a dial plate (27); the sides of the two groups of cross bars (29) close to each other are connected to the slide bar (26); the sides of the two groups of slide bars (26) close to each other are connected to the dial plate (27); the slide bar (26) is slidably connected in the moving bar (22); one side of the moving bar (22) is provided with an adjusting groove (24) for sliding the dial plate (27); the sides of the two groups of adjusting grooves (24) close to each other are connected by a spring telescopic rod (28).

5. The flask for casting parts according to claim 4, characterized in that: The spring telescopic rod (28) comprises a spring sleeve and a slide rod. The adjacent sides of the two sets of the shift plates (27) are connected to the spring sleeve. The slide rod is arranged between the two sets of spring sleeves, and the end of the slide rod is slidably placed in the spring sleeve to connect with the spring.

6. The flask for casting parts according to claim 1, characterized in that: The side of the moving bar (22) away from the guide block (25) is connected to the fixed block (23), the fixed block (23) is provided with a bolt hole, and one side of the moving groove (20) is provided with a receiving groove for receiving the fixed block (23).

7. The flask for casting parts according to claim 1, characterized in that: A through hole (14) communicating with the docking groove (17) is provided on one side of the turning plate (11), and a screw hole (16) corresponding to the through hole (14) is provided on the docking strip (15).

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