Pouring system for shell casting

Abstract

The utility model discloses a pouring system for casting a shell. The pouring system comprises a lower mold, a vertical flow pipe and a filter shell, a sealing groove is formed in the upper surface of the lower mold, and an upper mold is clamped to the inner wall of the sealing groove through a silica gel sealing strip; the vertical flow pipe is inserted into an inserting opening in the middle of the upper surface of the upper mold, a pouring gate is formed in the top end of the vertical flow pipe, a sealing cover is clamped to the inner wall of the pouring gate, main flow pipes are fixedly connected to the left side and the right side of the lower end of the vertical flow pipe correspondingly, and evenly-distributed flow dividing pipes are inserted into the front end and the rear end of each main flow pipe correspondingly; conveying pipes which are uniformly distributed are inserted into the bottom ends of the outer surfaces of the shunt pipe and the main flow pipe, and the bottom ends of the conveying pipes extend into the upper mold; according to the pouring system for casting the shell, the filter screen is easier and more convenient to disassemble and replace, so that the shell is more flexible in the casting process, and the manpower and time cost required by maintenance and replacement is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting technology, in particular to a pouring system for shell casting. Background Art

[0002] Shell casting is a common metal casting process, usually used to manufacture castings with complex shapes and precise dimensions, such as automobile engine cylinders, aircraft engine parts, etc. This process injects molten metal into the mold and solidifies it under certain conditions to obtain the required castings;

[0003] The traditional casting system of the shell is to install a suitable filter screen at the mouth by bolts, and the bolts are passed through the fixing holes of the filter screen to complete the filter system in the fixed casting system;

[0004] The traditional pouring system for shell casting has the following problems: since the filter is fixed to the gate by bolts, replacing the filter requires first loosening the bolts, removing the old filter, installing a new filter, and re-fastening the bolts. This process may be complicated, especially in a casting site environment, where replacing the filter may require a certain amount of time and labor. For this reason, we propose a pouring system for shell casting. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a casting system for shell casting, which makes it easier to disassemble and replace the filter screen, makes the shell casting process more flexible, reduces the manpower and time costs required for maintenance and replacement, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pouring system for shell casting, comprising a lower mold, a vertical flow pipe and a filter shell;

[0007] Lower mold: A sealing groove is provided on its upper surface, and the inner wall of the sealing groove is connected to the upper mold via a silicone sealing strip;

[0008] Vertical flow pipe: It is inserted into the socket in the middle of the upper surface of the upper mold. A gate is opened at the top of the vertical flow pipe, and a cover is clamped on the inner wall of the gate. The left and right sides of the lower end of the vertical flow pipe are respectively fixedly connected with the main pipe. The front and rear ends of the main pipe are inserted with evenly distributed branch pipes. The outer bottom ends of the branch pipe and the main pipe are inserted with evenly distributed delivery pipes. The bottom ends of the delivery pipes extend to the inside of the upper mold.

[0009] Filter housing: It is connected in series to the upper end of the vertical flow tube. A filtering mechanism is provided inside the filter housing, which makes it easier to remove and replace the filter screen, making the shell casting process more flexible and reducing the manpower and time costs required for maintenance and replacement.

[0010] Furthermore, the vertical flow pipe and the main flow pipe, the main flow pipe and the branch flow pipe, and the branch flow pipe and the delivery pipe are all connected to facilitate pouring.

[0011] Furthermore, the filtering mechanism includes a ceramic filter, a mounting shell, a mounting groove and a dovetail groove. The mounting groove is opened on the front side of the filter shell, and dovetail grooves are respectively opened at the left and right ends of the mounting groove. The mounting shell is inserted into the inner wall of the mounting groove, and the left and right ends of the mounting shell are respectively slidably connected to the adjacent dovetail grooves. A ceramic filter is inserted into the interior of the mounting shell to ensure that the mounting shell is firmly fixed in the mounting groove.

[0012] Furthermore, the filtering mechanism also includes a spring 1, a sliding hole 1, a sliding column 1 and a clamping plate. The sliding hole 1 is respectively opened at the upper and lower ends of the inner wall of the rear side of the installation groove, the inner wall of the sliding hole 1 is slidably connected with the sliding column 1, the inner side end of the sliding column 1 is fixedly connected with the clamping plate, and the end of the clamping plate away from the center of the installation groove is fixedly connected to the inner wall of the adjacent installation groove with a spring 1, and the spring 1 is sleeved on the outer surface of the sliding column 1, so that the removal and replacement of the filter becomes easier.

[0013] Furthermore, the filtering mechanism also includes a clamping block, which is fixedly connected to the rear side of the mounting shell. The clamping block is installed in cooperation with the two clamping plates to facilitate fixing the mounting shell.

[0014] Furthermore, the filter mechanism also includes a second spring, a second slide column and a button. The second slide column is slidably connected to the sliding opening on the rear side of the filter housing. The front end of the second slide column is installed in cooperation with two clamping plates. The rear end of the second slide column is fixedly connected with a button. The front side of the button and the rear side of the filter housing are fixedly connected with a second spring. The second spring is sleeved on the outer surface of the second slide column to facilitate disassembly and installation of the housing.

[0015] Furthermore, it also includes fixing plates, the number of which is eight, the four fixing plates at the upper end are respectively fixedly connected to the outer surface of the upper mold, and the four fixing plates at the lower end are respectively fixedly connected to the outer surface of the lower mold, and mounting holes are opened in the middle of the fixing plates to prevent loosening during pouring.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] 1. When the ceramic filter needs to be replaced, press the button to make the slide post 2 start to slide into the inside of the filter housing. The slide post 2 moves until it contacts the rear side of the two clamps. At this time, a contact and extrusion state is formed between the slide post 2 and the two clamps. By applying pressure to the two clamps, the spring 1 is extended and retracted, driving the two clamps to expand toward the adjacent ends. After the clamps move to a certain position, they are separated from the outer surface of the block. Then the mounting shell is pulled out of the mounting slot to replace the ceramic filter. The quick removal of the filter means that maintenance can be completed in a shorter time. The casting process of the shell casting reduces the time and labor cost required for maintenance.

[0018] 2. During installation, insert the ceramic filter into the interior of the mounting shell, and then align the mounting shell with the dovetail grooves on both sides and insert it backward. However, the dovetail groove can ensure that the mounting shell is firmly fixed in the mounting groove, and then continue to insert it until the block on the rear side of the mounting shell contacts the chamfered surfaces on the front sides of the two clamps to apply pressure, and then drive the spring to retract and retract, and at the same time drive the two clamps and the slide column to expand toward the adjacent ends. After the clamp moves to a certain position, it contacts the outer surface of the block and is clamped and fixed by the force of the spring. In this way, the operator can complete the filter installation task in the casting system more quickly, thereby improving the production efficiency of shell casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the utility model in right side section;

[0021] Figure 3 It is a schematic diagram of the structure of the utility model enlarged at A;

[0022] Figure 4 It is a schematic diagram of the structure enlarged at B of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure enlarged at C of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the filter housing of the utility model.

[0025] In the figure: 1 lower mold, 2 upper mold, 3 delivery pipe, 4 branch pipe, 5 main pipe, 6 filtering mechanism, 601 ceramic filter, 602 mounting shell, 603 mounting groove, 604 block, 605 spring 1, 606 sliding hole 1, 607 sliding column 1, 608 clamp, 609 spring 2, 610 sliding column 2, 611 button, 612 dovetail groove, 7 sealing cover, 8 gate, 9 filtering housing, 10 fixing plate, 11 mounting hole, 12 vertical flow pipe, 13 silicone sealing strip, 14 sealing groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-6 , this embodiment provides a technical solution: a pouring system for shell casting, including a lower mold 1, a vertical flow tube 12 and a filter shell 9;

[0028] Lower mold 1: A sealing groove 14 is provided on its upper surface, and the inner wall of the sealing groove 14 is clamped with the upper mold 2 through a silicone sealing strip 13. It also includes fixing plates 10, and the number of fixing plates 10 is eight. The four fixing plates 10 at the upper end are respectively fixedly connected to the outer surface of the upper mold 2, and the four fixing plates 10 at the lower end are respectively fixedly connected to the outer surface of the lower mold 1. The middle part of the fixing plates 10 is provided with mounting holes 11. Before pouring, the upper mold 2 is first clamped in the sealing groove 14 on the lower mold 1 through the silicone sealing strip 13, and then the upper mold 2 and the lower mold 1 are fixed by bolts or other fixing devices through the mounting holes 11 on the fixing plates 10 to prevent loosening during pouring;

[0029] Vertical flow tube 12: It is inserted into the socket in the middle of the upper surface of the upper mold 2. A gate 8 is opened at the top of the vertical flow tube 12. A cover 7 is clamped on the inner wall of the gate 8. The left and right sides of the lower end of the vertical flow tube 12 are respectively fixedly connected with the main flow tube 5. The front and rear ends of the main flow tube 5 are plugged with evenly distributed branch pipes 4. The outer bottom ends of the branch pipes 4 and the main flow tube 5 are plugged with evenly distributed delivery pipes 3. The bottom ends of the delivery pipes 3 extend to the inside of the upper mold 2. The vertical flow tube 12 and the main flow tube 5, the main flow tube 5 and the branch pipe 4, and the branch pipe 4 and the delivery pipe 3 are all connected. Then the molten metal is poured from the gate 8, and then flows to the upper surface of the ceramic filter 601 along the vertical flow tube 12 to filter the impurities in the molten metal. The metal is filtered by gravity and falls into the main flow pipe 5, and flows downward along the vertical flow pipe 12. When the amount of metal in the main flow pipe 5 exceeds a certain limit, the function of the diverter pipe 4 is triggered, and the diverter pipe 4 guides the excess metal to different flow directions to avoid uneven filling or excessive impact on the mold caused by excessive metal in the main flow pipe 5. After adjustment by the diverter pipe 4, the metal falls into the cavities of the upper mold 2 and the lower mold 1 in turn through the conveying pipe 3 under the influence of gravity. Once the cavities of the upper mold 2 and the lower mold 1 are filled, the metal will solidify into the desired casting shape after cooling. After the casting is completely cooled, the upper mold 2 and the lower mold 1 can be opened to take out the finished casting.

[0030] Filter housing 9: It is connected in series to the upper end of the vertical flow tube 12. A filter mechanism 6 is provided inside the filter housing 9. The filter mechanism 6 includes a ceramic filter screen 601, a mounting shell 602, a mounting groove 603 and a dovetail groove 612. The mounting groove 603 is provided on the front side of the filter housing 9. Dovetail grooves 612 are provided at the left and right ends of the mounting groove 603. The mounting shell 602 is plugged into the inner wall of the mounting groove 603. The left and right ends of the mounting shell 602 are respectively slidably connected with the adjacent dovetail grooves 612. The ceramic filter screen 601 is plugged into the interior of the mounting shell 602. The filter mechanism 6 also includes a spring 605, a sliding hole 606, a sliding column 607 and a clamping plate 608. The sliding hole 606 is provided at the upper and lower ends of the rear inner wall of the mounting groove 603. The sliding hole 606 The inner wall of each filter housing 602 is slidably connected with a slide column 1 607, and the inner side end of each slide column 1 607 is fixedly connected with a clamping plate 608. A spring 1 605 is fixedly connected between the end of the clamping plate 608 away from the center of the mounting groove 603 and the inner wall of the adjacent mounting groove 603. The spring 1 605 is sleeved on the outer surface of the slide column 1 607. The filter mechanism 6 also includes a block 604, which is fixedly connected to the rear side of the mounting shell 602. The block 604 is installed in conjunction with the two clamping plates 608. The filter mechanism 6 also includes a spring 2 609, a slide column 2 610 and a button 611. The slide column 2 610 is slidably connected to the sliding opening on the rear side of the filter housing 9. The front end of the slide column 2 610 is installed in conjunction with the two clamping plates 608. The rear end of the slide column 2 610 is fixedly connected with a button 611. 11. A spring 2 609 is fixedly connected between the front side of the button 611 and the rear side of the filter housing 9. The spring 2 609 is sleeved on the outer surface of the sliding column 2 610. The front side of the sliding column 2 610 is a chamfered structure, the rear side of the block 604 is a chamfered structure, and the front and rear ends of the two clamping plates 608 are chamfered structures respectively. When the ceramic filter 601 needs to be replaced, the button 611 is pressed to make the sliding column 2 610 start to slide toward the inside of the filter housing 9. The sliding column 2 610 moves until it contacts the rear sides of the two clamping plates 608. At this time, a contact and extrusion state is formed between the sliding column 2 610 and the two clamping plates 608. By applying pressure to the two clamping plates 608, the spring 1 605 is extended and retracted, driving the two clamping plates 608 to expand toward the adjacent ends. Then, after the clamping plate 608 moves to a certain position, it is separated from the outer surface of the block 604, and then the mounting shell 602 is pulled out of the interior of the mounting groove 603 to replace the ceramic filter 601. When installing, the ceramic filter 601 is inserted into the interior of the mounting shell 602, and then the mounting shell 602 is aligned with the dovetail grooves 612 on both sides and inserted to the rear side. However, the dovetail grooves 612 can ensure that the mounting shell is firmly fixed in the mounting groove 603, and then continue to insert until the block 604 on the rear side of the mounting shell 602 contacts the chamfered surfaces on the front sides of the two clamping plates 608 to apply pressure, and then drive the spring 1 605 to retract and retract, and at the same time drive the two clamping plates 608 and the sliding column 1 607 to expand toward the adjacent end direction, and then the clamping plate 608 moves to a certain position,It contacts the outer surface of the clamping block 604 and is clamped and fixed by the force of the spring 605, so that the removal and replacement of the filter screen becomes easier, making the shell casting process more flexible and reducing the manpower and time costs required for maintenance and replacement.

[0031] The working principle of a pouring system for shell casting provided by the utility model is as follows: before pouring, the upper mold 2 is first clamped in the sealing groove 14 on the lower mold 1 through the silicone sealing strip 13, and then the upper mold 2 and the lower mold 1 are fixed through the mounting holes 11 on the fixing plate 10 by bolts or other fixing devices to prevent loosening during pouring, and then the molten metal is poured in from the pouring gate 8, and then flows along the vertical flow pipe 12 to the upper surface of the ceramic filter 601 to filter the impurities and solid particles in the molten metal to ensure the quality of the casting, and the filtered metal falls into the main flow pipe 5 by gravity, and flows downward along the vertical flow pipe 12. When the metal in the main flow pipe 5 When the metal quantity exceeds a certain limit, the function of the shunt pipe 4 will be triggered. The shunt pipe 4 will guide the excess metal into different flow directions to avoid uneven filling or excessive impact on the mold caused by excessive metal in the main pipe 5. After the adjustment of the shunt pipe 4, the metal falls into the cavities of the upper mold 2 and the lower mold 1 through the conveying pipe 3 in turn under the influence of gravity. Once the cavities of the upper mold 2 and the lower mold 1 are filled, the metal will solidify into the required casting shape after cooling. After the casting is completely cooled, the upper mold 2 and the lower mold 1 can be opened to take out the finished casting. When the ceramic filter 601 needs to be replaced, the button 611 is pressed to make the slide column 2 610 start to move toward the filter housing 9. The sliding column 610 slides inside and moves until it contacts the rear side surfaces of the two clamping plates 608. At this time, a contact and extrusion state is formed between the sliding column 610 and the two clamping plates 608. By applying pressure to the two clamping plates 608, the spring 1 605 is extended and retracted, driving the two clamping plates 608 to expand toward the adjacent ends. Then, after the clamping plates 608 move to a certain position, they are separated from the outer surface of the block 604. Then, the mounting shell 602 is pulled out of the mounting groove 603 to replace the ceramic filter 601. When installing, the ceramic filter 601 is inserted into the mounting shell 602. Then, the mounting shell 602 is aligned with the dovetail grooves 612 on both sides and inserted to the rear side. The dovetail groove 612 can ensure that the mounting shell 602 is firmly fixed in the mounting groove 603, and then continue to insert until the block 604 on the rear side of the mounting shell 602 contacts the chamfered surfaces on the front sides of the two clamps 608 to apply pressure, and then drive the spring 1 605 to retract and retract, while driving the two clamps 608 and the sliding column 1 607 to expand toward the adjacent ends. After the clamp 608 moves to a certain position, it contacts the outer surface of the block 604 and is clamped and fixed by the force of the spring 1 605, so that the removal and replacement of the filter becomes easier, making the shell casting process more flexible and reducing the manpower and time costs required for maintenance and replacement.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A pouring system for shell casting, characterized in that: It comprises a lower mold (1), a vertical flow pipe (12) and a filter housing (9); The lower mold (1) has a sealing groove (14) on its upper surface, and the inner wall of the sealing groove (14) is clamped with the upper mold (2) via a silicone sealing strip (13); A vertical flow pipe (12) is inserted into a socket in the middle of the upper surface of the upper mold (2). A gate (8) is provided at the top of the vertical flow pipe (12). A cover (7) is clamped on the inner wall of the gate (8). The left and right sides of the lower end of the vertical flow pipe (12) are respectively fixedly connected to the main flow pipe (5). The front and rear ends of the main flow pipe (5) are both inserted with evenly distributed branch pipes (4). The outer bottom ends of the branch pipe (4) and the main flow pipe (5) are both inserted with evenly distributed delivery pipes (3). The bottom ends of the delivery pipes (3) extend to the interior of the upper mold (2). A filter housing (9) is connected in series to the upper end of the vertical flow tube (12), and a filter mechanism (6) is provided inside the filter housing (9).

2. A pouring system for shell casting according to claim 1, characterized in that: The vertical flow pipe (12) and the main flow pipe (5), the main flow pipe (5) and the branch flow pipe (4), and the branch flow pipe (4) and the delivery pipe (3) are all connected.

3. A pouring system for shell casting according to claim 1, characterized in that: The filter mechanism (6) comprises a ceramic filter (601), a mounting shell (602), a mounting groove (603) and a dovetail groove (612); the mounting groove (603) is provided on the front side of the filter housing (9); the left and right ends of the mounting groove (603) are respectively provided with dovetail grooves (612); the mounting shell (602) is plugged into the inner wall of the mounting groove (603); the left and right ends of the mounting shell (602) are respectively slidably connected to adjacent dovetail grooves (612); and the ceramic filter (601) is plugged into the interior of the mounting shell (602).

4. A pouring system for shell casting according to claim 3, characterized in that: The filtering mechanism (6) further comprises a spring (605), a sliding hole (606), a sliding column (607) and a clamping plate (608); the sliding hole (606) is respectively arranged at the upper and lower ends of the inner wall of the rear side of the mounting groove (603); the inner wall of the sliding hole (606) is slidably connected with a sliding column (607); the inner side end of the sliding column (607) is fixedly connected with a clamping plate (608); a spring (605) is fixedly connected between an end of the clamping plate (608) away from the center of the mounting groove (603) and the inner wall of the adjacent mounting groove (603); and the spring (605) is sleeved on the outer surface of the sliding column (607).

5. A pouring system for shell casting according to claim 4, characterized in that: The filtering mechanism (6) further comprises a clamping block (604), wherein the clamping block (604) is fixedly connected to the rear side of the mounting shell (602), and the clamping block (604) is mounted in cooperation with two clamping plates (608).

6. A pouring system for shell casting according to claim 4, characterized in that: The filtering mechanism (6) further comprises a second spring (609), a second sliding column (610) and a button (611); the second sliding column (610) is slidably connected in a sliding opening on the rear side of the filtering housing (9); the front end of the second sliding column (610) is mounted in cooperation with two clamping plates (608); the rear end of the second sliding column (610) is fixedly connected with a button (611); the second spring (609) is fixedly connected between the front side of the button (611) and the rear side of the filtering housing (9); and the second spring (609) is sleeved on the outer surface of the second sliding column (610).

7. A pouring system for shell casting according to claim 1, characterized in that: It also includes fixing plates (10), the number of the fixing plates (10) being eight, the four fixing plates (10) at the upper end being respectively fixedly connected to the outer surface of the upper mold (2), the four fixing plates (10) at the lower end being respectively fixedly connected to the outer surface of the lower mold (1), and the middle part of each fixing plate (10) being provided with a mounting hole (11).

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