A turbine volute molding sand mold

Abstract

This utility model discloses a turbine volute sand mold, including a base plate and a sand mold. Side plates are fixedly connected to both ends of the top of the base plate. Multiple guide shafts are fixedly connected between the two side plates. A first side mold and a second side mold are slidably sleeved between the guide shafts. Both the first and second side molds have cavities. Two electric push rods are fixedly connected to one side of each side plate, with one end of each push rod bolted to one side of the first and second side molds respectively. This utility model uses the first and second side molds to sandwich a core mold. Then, a certain volume of quartz sand-clay mixture is injected into the cavities of the first and second side molds through the sand injection hole to form a sand mold. Finally, casting liquid is injected into the core mold through the casting port, and the mold is allowed to solidify. This method reduces the steps involved in demolding the sand mold and avoids damage during demolding, thus improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of molding sand mold technology, and in particular to a turbine volute molding sand mold. Background Technology

[0002] Sand molds are commonly used tools in sand casting. Most vehicle parts are formed by casting, and molding sand is inevitably used during the casting process. The quality of the molding sand also affects the quality of the cast parts.

[0003] Currently, existing sand molds, due to their complex internal cavity shapes, require demolding during the casting of turbine volute sand molds before casting. This process is complex and can easily damage the sand mold, thus affecting the processing efficiency of turbine volutes. Therefore, in order to improve the processing efficiency of turbine volutes and to promote technological progress in the industry and enhance core technological competitiveness, this application proposes a new implementation scheme that differs from existing turbine volute sand molds and application methods. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide an apparatus to solve one or more problems in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A turbine volute molding sand mold includes a base plate and a sand mold. Side plates are fixedly connected to both ends of the top of the base plate. Multiple guide shafts are fixedly connected between the two side plates. A first side mold and a second side mold are slidably sleeved between the multiple guide shafts. Both the first and second side molds have cavities. Two electric push rods are fixedly connected to one side of each side plate. One end of each electric push rod is bolted to one side of the first and second side molds, respectively. One side of the first and second side molds each have an insertion groove. A guide plate is inserted between the insertion groove of the first and second side molds. A core mold is fixedly connected between the two guide plates. A molding die is fixedly connected to one side of the core mold. A pressure plate is slidably connected between the multiple inner walls of the first and second side molds.

[0007] Furthermore, a bracket is fixedly connected to one side of the first mold and one side of the second mold. A clamping screw is threaded to one side of the bracket. A rotating disk is fixedly connected to one end of the clamping screw. The rotating disk is rotatably engaged with one side of the pressure plate. A knob is fixedly connected to the other end of the clamping screw.

[0008] Furthermore, a handle is fixedly connected to the top of the core mold, and an anti-slip sleeve is fitted onto the outer wall of the handle.

[0009] Furthermore, the top of both the first side mold and the top of the second side mold are provided with multiple ventilation holes.

[0010] Furthermore, both the top of the first side mold and the top of the second side mold are provided with sand injection holes.

[0011] Furthermore, a casting gate is provided on one side of the second mold.

[0012] Furthermore, the sand mold is disposed within the cavities of the first side mold and the second side mold.

[0013] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0014] 1. The core mold is sandwiched between the first and second side molds. Then, a certain volume of quartz sand and clay mixture is injected into the cavities of the first and second side molds through the sand injection hole to form a sand mold. Then, the casting liquid is injected into the core mold through the casting gate and waits for it to be formed. This method reduces the steps of sand mold demolding and avoids damage during the sand mold demolding process, thus improving work efficiency.

[0015] 2. By turning the knob, the clamping screw is rotated. Under the action of the screw and the support thread, the pressure plate moves towards the core mold, thereby pushing the quartz sand and clay mixture to be squeezed into the core mold, thus better forming the sand mold and improving the quality of the sand mold. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a turbine volute molding sand mold proposed in this utility model;

[0017] Figure 2 This is a cross-sectional structural schematic diagram of a turbine volute molding sand mold proposed in this utility model;

[0018] Figure 3 This is a partially enlarged structural schematic diagram of a turbine volute molding sand mold proposed in this utility model;

[0019] Figure 4 This is a three-dimensional structural diagram of a turbine volute sand mold in the casting state, as proposed in this utility model.

[0020] Figure 5 This is a cross-sectional view of the casting state of a turbine volute molding sand mold proposed in this utility model.

[0021] The following are labels in the attached diagram: 1. Base plate; 2. Side plate; 3. Guide shaft; 4. First side mold; 5. Second side mold; 6. Insertion slot; 7. Core mold; 8. Guide plate; 9. Mold; 10. Handle; 11. Electric push rod; 12. Cavity; 13. Bracket; 14. Clamping screw; 15. Pressure plate; 16. Rotating disk; 17. Vent hole; 18. Sand injection hole; 19. Casting gate; 20. Sand mold. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the device proposed by this utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of this utility model will become clearer according to the following description. It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions, only used to conveniently and clearly assist in illustrating the purpose of the embodiments of this utility model. Please refer to the accompanying drawings to make the objectives, features, and advantages of this utility model more apparent and understandable. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only used to complement the content disclosed in the specification, for those skilled in the art to understand and read, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0023] Reference Figures 1-5 A turbine volute molding sand mold includes a base plate 1, a sand mold 20, a control panel and a processor, wherein the processor and the control panel are connected by wires.

[0024] Side plates 2 are welded to both ends of the top of the base plate 1. Multiple guide shafts 3 are welded between the two side plates 2. A first side mold 4 and a second side mold 5 are slidably sleeved between the multiple guide shafts 3. Both the first side mold 4 and the second side mold 5 are provided with cavities 12. Two electric push rods 11 are fixed to one side of the side plate 2 by bolts. The control panel is connected to the electric push rods 11 by wires. One end of the two electric push rods 11 is fixed to one side of the first side mold 4 and the second side mold 5 by bolts. The first side mold 4 and the second side mold 5 move under the drive of the electric push rods 11, thereby realizing the opening and closing of the first side mold 4 and the second side mold 5.

[0025] One side of the first mold 4 and one side of the second mold 5 are provided with insertion slots 6. A guide plate 8 is inserted between the insertion slot 6 of the first mold 4 and the insertion slot 6 of the second mold 5. A core mold 7 is fixed between the two guide plates 8 by bolts. The core mold 7 can be made of high temperature resistant cast iron, such as HT250 cast iron. The insertion of the guide plate 8 and the insertion slot 6 facilitates the positioning of the core mold 7. A mold 9 is integrally formed on one side of the core mold 7.

[0026] A pressure plate 15 is slidably connected between the inner walls of the first mold 4 and the second mold 5. A bracket 13 is integrally formed on one side of the first mold 4 and one side of the second mold 5. A clamping screw 14 is threadedly connected to one side of the bracket 13. A rotating disk 16 is welded to one end of the clamping screw 14. The rotating disk 16 is rotatably engaged with one side of the pressure plate 15. A knob is welded to the other end of the clamping screw 14. Turning the knob drives the clamping screw 14 to rotate. Under the action of the threaded connection between the clamping screw 14 and the bracket 13, the pressure plate 15 moves towards the core mold 7, thereby pushing the quartz sand clay mixture to be squeezed into the core mold 7, thus forming the sand mold 20.

[0027] The top of the core mold 7 is fixed with a handle 10 by bolts, and the outer wall of the handle 10 is fitted with an anti-slip sleeve, which facilitates the operation of the core mold 7.

[0028] Multiple ventilation holes 17 are provided on the top of the first mold 4 and the top of the second mold 5. Gas is discharged through the ventilation holes 17, which makes the quartz sand clay mixture more compact.

[0029] Both the top of the first side mold 4 and the top of the second side mold 5 are provided with sand injection holes 18 so that a certain volume of quartz sand clay mixture can be injected into the cavity 12 of the first side mold 4 and the second side mold 5 through the sand injection holes 18.

[0030] The second mold 5 has a casting port 19 on one side so that the casting liquid can be injected into the core mold 7 from the casting port 19.

[0031] The sand mold 20 is set inside the cavity 12 of the first side mold 4 and the second side mold 5.

[0032] The working principle of this embodiment is as follows: When in use, firstly, lift the handle 10 to place the core mold 7 between the first side mold 4 and the second side mold 5, and align and fix the guide plate 8 with the insertion slot 6. Then, start the electric push rod 11 through the control panel. Under the stretching of the electric push rod 11, the first side mold 4 and the second side mold 5 are driven to converge towards the middle, so that the guide plate 8 is inserted into the insertion slot 6, and then the core mold 7 is clamped in the middle by the first side mold 4 and the second side mold 5.

[0033] Next, a certain volume of quartz sand and clay mixture is injected into the cavity 12 of the first side mold 4 and the second side mold 5 through the sand injection hole 18. After the sand injection is completed, the knob is turned to drive the clamping screw 14 to rotate. Then, under the action of the screw 14 and the support 13 threaded connection, the pressure plate 15 moves towards the core mold 7, thereby pushing the quartz sand and clay mixture to be squeezed into the core mold 7, thus forming the sand mold 20. During the extrusion process, the gas in it is discharged through the vent hole 17, thereby making the quartz sand and clay mixture more compact.

[0034] After molding, the electric push rod 11 is controlled to retract via the control panel, causing the first side mold 4 and the second side mold 5 to move apart to both sides. Then, the core mold 7 is removed from between the first side mold 4 and the second side mold 5. Next, the electric push rod 11 is controlled to extend via the control panel, causing the first side mold 4 and the second side mold 5 to close together. Then, the casting liquid is injected into the core mold 7 through the casting port 19, and the molding process is allowed. After molding, the electric push rod 11 is controlled to retract via the control panel, causing the first side mold 4 and the second side mold 5 to separate, thereby separating the sand mold 20 from the first side mold 4 and the second side mold 5. Finally, the sand mold 20 is removed, thus achieving demolding.

[0035] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A turbine volute molding sand mold, comprising a base plate (1) and a sand mold (20), characterized in that, Both ends of the top of the base plate (1) are fixedly connected to side plates (2), and multiple guide shafts (3) are fixedly connected between the two side plates (2). A first side mold (4) and a second side mold (5) are slidably sleeved between the multiple guide shafts (3). Both the first side mold (4) and the second side mold (5) are provided with cavities (12). Two electric push rods (11) are fixedly connected to one side of the side plate (2). One end of the two electric push rods (11) is fixed to one side of the first side mold (4) and the second side mold (5) respectively by bolts. Both the first side mold (4) and the second side mold (5) are provided with insertion slots (6). A guide plate (8) is inserted between the insertion slot (6) of the first side mold (4) and the insertion slot (6) of the second side mold (5). A core mold (7) is fixedly connected between the two guide plates (8). A mold (9) is fixedly connected to one side of the core mold (7). A pressure plate (15) is slidably connected between the inner walls of the first side mold (4) and the second side mold (5).

2. The turbine volute molding sand mold according to claim 1, characterized in that, A bracket (13) is fixedly connected to one side of the first side mold (4) and one side of the second side mold (5). A clamping screw (14) is threadedly connected to one side of the bracket (13). A rotating disk (16) is fixedly connected to one end of the clamping screw (14). The rotating disk (16) is rotatably engaged with one side of the pressure plate (15). A knob is fixedly connected to the other end of the clamping screw (14).

3. A turbine volute molding sand mold according to claim 1, characterized in that, The top of the core mold (7) is fixedly connected to a handle (10), and the outer wall of the handle (10) is fitted with an anti-slip sleeve.

4. A turbine volute molding sand mold according to claim 1, characterized in that, The top of the first side mold (4) and the top of the second side mold (5) are provided with multiple ventilation holes (17).

5. A turbine volute molding sand mold according to claim 1, characterized in that, Both the top of the first side mold (4) and the top of the second side mold (5) are provided with sand injection holes (18).

6. A turbine volute molding sand mold according to claim 1, characterized in that, The second side mold (5) has a casting gate (19) on one side.

7. A turbine volute molding sand mold according to claim 1, characterized in that, The sand mold (20) is set in the cavity (12) of the first side mold (4) and the second side mold (5).

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