Casting tool for engine flywheel

Abstract

The utility model discloses a casting tool for an engine flywheel, and relates to the technical field of automobile accessory manufacturing. Comprising a bottom plate, a lower mold and an upper mold, a second connecting plate is arranged at the bottom end of a moving rod, two sets of second sliding rods are symmetrically arranged at the top of the second connecting plate, first sliding rods are movably arranged in the second sliding rods in a penetrating mode, and a first connecting plate is arranged at the top ends of the first sliding rods. According to the device, by arranging a moving rod and other parts, through operation of an air cylinder, a first connecting plate can drive a first sliding rod to move upwards in a second sliding rod, the first sliding rod extrudes a second spring to deform, the second sliding rod drives a second connecting plate to move upwards, and the second connecting plate extrudes a third spring; the movable rods protrude out of the interiors of the mounting holes, auxiliary demolding is carried out on the flywheel cast in the lower mold, the surface quality and the appearance of the flywheel are improved, and meanwhile the efficiency and the yield of the casting tool are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts manufacturing, in particular to a casting tool for an engine flywheel. Background Art

[0002] A flywheel is a wheel-shaped accumulator with a large rotational inertia installed on the rotating shaft of the machine. When the machine speed increases, the kinetic energy of the flywheel increases and the energy is stored. When the machine speed decreases, the kinetic energy of the flywheel decreases and the energy is released. The flywheel can be used to reduce the speed fluctuation of the mechanical operation process. The engine flywheel casting tool is a tool specially used for casting engine flywheels. The main function of the casting tool is to provide shape and size support for the flywheel during the casting process to ensure that the cast flywheel meets the design and functional requirements. The design and use of the casting tool is crucial to ensure the accuracy and quality of the flywheel.

[0003] At present, after the casting process of the engine flywheel, the flywheel is completed by casting. When the flywheel is manually demolded, the demolding speed is too slow, which may cause the flywheel to stay in the mold for too long, and may cause adhesion problems on the flywheel surface, thereby affecting the surface quality and appearance of the flywheel. In addition, the slow demolding speed means that the residence time of each flywheel in the mold increases, which will directly affect the efficiency and output of the production line. In order to solve this technical problem, the utility model proposes a casting tool for an engine flywheel. Utility Model Content

[0004] The main purpose of the utility model is to provide a casting tool for an engine flywheel, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A casting tool for an engine flywheel comprises a base plate, a lower mold and an upper mold, wherein a mounting hole is formed through the interior of the lower mold, a moving rod is movably arranged inside the mounting hole, a No. 2 connecting plate is arranged at the bottom end of the moving rod, a No. 3 spring is arranged at the outer side of the moving rod, two groups of No. 2 sliding rods are symmetrically arranged on the top of the No. 2 connecting plate, and the No. 2 sliding rod movably passes through the top of the base plate, a No. 1 sliding rod is movably arranged inside the No. 2 sliding rod, a No. 2 spring is arranged at the outer side of the No. 1 sliding rod, and a No. 1 connecting plate is arranged at the top of the No. 1 sliding rod.

[0007] Preferably, the lower mold is movably mounted on the top of the bottom plate, and two groups of retaining plates are symmetrically arranged on the outer side of the lower mold.

[0008] Preferably, two groups of limiting shells are arranged on the top of the bottom plate, and the limiting shells are movably assembled and connected with the positioning plates, and a mounting shell is arranged on the top of the limiting shells.

[0009] Preferably, three groups of No. 1 springs are provided on the top inner wall of the mounting shell, the bottom end of the No. 1 spring is connected with a blocking plate, and the blocking plate movably penetrates the inner wall of the limiting shell.

[0010] Preferably, a flywheel body is movably arranged inside the lower mold, the upper mold is movably arranged on the top of the lower mold, and the upper mold is embedded in the flywheel body, and a plurality of injection tubes are penetrated through the top of the upper mold.

[0011] Preferably, two groups of positioning blocks are arranged on the outer side of the lower mold, and two groups of positioning rods are arranged on the outer side of the upper mold, and the positioning rods are movably engaged with the positioning blocks.

[0012] Preferably, a support frame is provided on the top of the base plate, a cylinder is provided through the interior of the support frame, an output end of the cylinder is connected to the top of the No. 1 connecting plate, an extrusion column is provided at the bottom end of the No. 1 connecting plate, and the extrusion column is connected to the upper mold.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by providing components such as a moving rod and the like, the cylinder is operated, so that the No. 1 connecting plate can drive the No. 1 sliding rod to move upward inside the No. 2 sliding rod, the No. 1 sliding rod squeezes the No. 2 spring to cause deformation, the No. 2 sliding rod drives the No. 2 connecting plate to move upward, the No. 2 connecting plate squeezes the No. 3 spring, so that the moving rod protrudes from the inside of the mounting hole, and the flywheel cast inside the lower mold is assisted in demolding, while improving the surface quality and appearance of the flywheel, it also effectively improves the efficiency and output of the casting tooling.

[0015] In the utility model, by providing components such as a limit shell, the two groups of locking plates provided on the outer side of the lower mold are combined and connected with the limit shell by rotating at a suitable angle, and the elastic effect of the No. 1 spring can elastically squeeze the blocking plate to insert into the interior of the limit shell, and the blocking plate can be used to block the locking plate after the limit shell is engaged and limited. The lower mold can be disassembled without using external tools, which facilitates the disassembly and replacement of the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a casting tool for an engine flywheel of the utility model;

[0017] Figure 2 This is a schematic diagram of the lower mold structure of a casting tool for an engine flywheel of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of a movable rod of a casting tool for an engine flywheel of the utility model;

[0019] Figure 4 This is a schematic diagram of the upper mold structure of a casting tool for an engine flywheel of the utility model;

[0020] Figure 5 This is a schematic structural diagram of position A of a casting tool for an engine flywheel according to the utility model.

[0021] In the figure: 1. bottom plate; 2. lower mold; 3. positioning plate; 4. mounting hole; 5. positioning block; 6. limiting shell; 7. mounting shell; 8. spring No. 1; 9. blocking plate; 10. flywheel body; 11. upper mold; 12. positioning rod; 13. injection pipe; 14. support frame; 15. cylinder; 16. connecting plate No. 1; 17. extrusion column; 18. sliding rod No. 1; 19. spring No. 2; 20. sliding rod No. 2; 21. moving rod; 22. spring No. 3; 23. connecting plate No. 2. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 2 and Figure 3 As shown, a casting tool for an engine flywheel;

[0024] It includes a bottom plate 1, a lower mold 2 and an upper mold 11. The lower mold 2 is provided with a mounting hole 4, a moving rod 21 is movably arranged inside the mounting hole 4, a No. 2 connecting plate 23 is arranged at the bottom end of the moving rod 21, a No. 3 spring 22 is arranged on the outer side of the moving rod 21, two groups of No. 2 slide bars 20 are symmetrically arranged on the top of the No. 2 connecting plate 23, and the No. 2 slide bar 20 movably passes through the top of the bottom plate 1, a No. 1 slide bar 18 is movably passed through the inside of the No. 2 slide bar 20, a No. 2 spring 19 is arranged on the outer side of the No. 1 slide bar 18, a No. 1 connecting plate 16 is arranged on the top of the No. 1 slide bar 18, a support frame 14 is arranged on the top of the support frame 14, a cylinder 15 is arranged inside, the output end of the cylinder 15 is connected to the top of the No. 1 connecting plate 16, an extrusion column 17 is arranged at the bottom end of the No. 1 connecting plate 16, and the extrusion column 17 is connected to the upper mold 11.

[0025] The mounting hole 4 is opened through the inside of the lower mold 2, and the mounting hole 4 provides a mounting space for the moving rod 21. The No. 1 connecting plate 16 and the No. 2 connecting plate 23 play a connecting role. The No. 2 connecting plate 23 is used to connect two groups of No. 2 slide bars 20 and the moving rod 21. The No. 3 spring 22 is arranged on the outside of the moving rod 21. By utilizing the elastic effect of the No. 3 spring 22, the moving rod 21 can be elastically movably arranged inside the mounting hole 4. The No. 2 slide bar 20 is movably connected with the No. 1 slide bar 18 through the penetration, and the No. 1 slide bar 18 can move up and down inside the No. 2 slide bar 20. The No. 2 spring 19 provides a slow pulling force for the No. 1 slide bar 18 to slide inside the No. 2 slide bar 20.

[0026] The extrusion column 17 is detachably connected to the upper mold 11. When the cylinder 15 moves downward, the first connecting plate 16 drives the extrusion column 17 and the upper mold 11 to move downward, so that the upper mold 11 is assembled and spliced ​​with the lower mold 2.

[0027] When the cylinder 15 is running, the No. 1 connecting plate 16 can drive the No. 1 slide bar 18 to move upward inside the No. 2 slide bar 20. The No. 1 slide bar 18 squeezes the No. 2 spring 19 to deform. The No. 2 slide bar 20 drives the No. 2 connecting plate 23 to move upward. The No. 2 connecting plate 23 squeezes the No. 3 spring 22, so that the moving rod 21 protrudes from the inside of the mounting hole 4, and assists in demolding the flywheel cast inside the lower mold 2. While improving the surface quality and appearance of the flywheel, it also effectively improves the efficiency and output of the casting tooling.

[0028] like Figure 1 , Figure 4 and Figure 5 As shown, a casting tool for an engine flywheel;

[0029] The lower mold 2 is movably installed on the top of the base plate 1, and two groups of positioning plates 3 are symmetrically arranged on the outer side of the lower mold 2. Two groups of limiting shells 6 are arranged on the top of the base plate 1, and the limiting shells 6 are movably combined and connected with the positioning plates 3. A mounting shell 7 is arranged on the top of the limiting shell 6, and three groups of No. 1 springs 8 are arranged on the top inner wall of the mounting shell 7. The bottom end of the No. 1 spring 8 is connected with a blocking plate 9, and the blocking plate 9 movably passes through the inner wall of the limiting shell 6.

[0030] The lower mold 2 is one of the main assembly components of the casting tooling. After the lower mold 2 is assembled with the upper mold 11, the internal space after the lower mold 2 and the upper mold 11 are assembled can be used to pour metal liquid to cast the flywheel. The two groups of positioning plates 3 arranged on the outside of the lower mold 2 are combined and connected with the limiting shell 6 by rotating at a suitable angle. By utilizing the elastic effect of the No. 1 spring 8, the No. 1 spring 8 can elastically squeeze the blocking plate 9 to insert into the interior of the limiting shell 6. The blocking plate 9 can block the positioning plate 3 after the internal engagement and limiting of the limiting shell 6. The lower mold 2 can be disassembled without using external tools, which is convenient for disassembly and replacement of the lower mold 2. The mounting shell 7 provides installation space for the No. 1 spring 8 and the blocking plate 9. Both sides of the blocking plate 9 and both sides of the positioning plate 3 are arranged to be inclined, so that the positioning plate 3 can rotate and lift the blocking plate 9.

[0031] like Figure 1 and Figure 4 As shown, a casting tool for an engine flywheel;

[0032] The flywheel body 10 is movably arranged inside the lower mold 2, the upper mold 11 is movably arranged on the top of the lower mold 2, and the upper mold 11 is embedded in the flywheel body 10, and the top of the upper mold 11 is penetrated by multiple groups of injection tubes 13, two groups of positioning blocks 5 are arranged on the outside of the lower mold 2, and two groups of positioning rods 12 are arranged on the outside of the upper mold 11, and the positioning rods 12 are movably embedded and connected with the positioning blocks 5

[0033] The upper mold 11 is one of the main assembly components of the casting tooling. After the upper mold 11 and the lower mold 2 are assembled and spliced, the positioning rod 12 can be engaged with the positioning block 5 to ensure that the upper mold 11 and the lower mold 2 are spliced ​​and matched. Through the injection pipe 13, metal liquid can be poured into the interior of the assembled upper mold 11 and the lower mold 2 to cast the flywheel body 10.

[0034] Before use, the cylinder 15 is operated, and the No. 1 connecting plate 16 drives the extrusion column 17 and the upper mold 11 to move downward, so that the upper mold 11 and the lower mold 2 are assembled and spliced, and the positioning rod 12 can be engaged with the positioning block 5 to ensure that the upper mold 11 and the lower mold 2 are spliced ​​and matched, and the metal liquid can be poured into the assembled upper mold 11 and the lower mold 2 through the injection pipe 13 to cast the flywheel body 10;

[0035] After the casting tool is used, when the cylinder 15 is running, the No. 1 connecting plate 16 can drive the No. 1 slide bar 18 to move upward inside the No. 2 slide bar 20, and the No. 1 slide bar 18 squeezes the No. 2 spring 19 to deform, and the No. 2 slide bar 20 drives the No. 2 connecting plate 23 to move upward, and the No. 2 connecting plate 23 squeezes the No. 3 spring 22, so that the moving rod 21 protrudes from the inside of the mounting hole 4, and the flywheel cast inside the lower mold 2 is assisted in demoulding, which improves the surface quality and appearance of the flywheel while effectively improving the efficiency and output of the casting tool;

[0036] By rotating at a suitable angle, the two groups of locking plates 3 arranged on the outer side of the lower mold 2 are combined and connected with the limiting shell 6. By utilizing the elastic effect of the No. 1 spring 8, the No. 1 spring 8 can elastically squeeze the blocking plate 9 to insert into the interior of the limiting shell 6. The blocking plate 9 can block the locking plate 3 after the limiting shell 6 is engaged and limited. The lower mold 2 can be disassembled without using external tools, which facilitates the disassembly and replacement of the lower mold 2.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A casting tool for an engine flywheel, comprising a base plate (1), a lower mold (2) and an upper mold (11), characterized in that: The lower mold (2) is provided with a mounting hole (4) extending therethrough, a movable rod (21) is movably arranged inside the mounting hole (4), a No. 2 connecting plate (23) is arranged at the bottom end of the movable rod (21), a No. 3 spring (22) is arranged on the outer side of the movable rod (21), two groups of No. 2 sliding rods (20) are symmetrically arranged on the top of the No. 2 connecting plate (23), and the No. 2 sliding rod (20) movably extends through the top of the bottom plate (1), a No. 1 sliding rod (18) is movably arranged inside the No. 2 sliding rod (20), a No. 2 spring (19) is arranged on the outer side of the No. 1 sliding rod (18), and a No. 1 connecting plate (16) is arranged on the top of the No. 1 sliding rod (18).

2. The casting tool for an engine flywheel according to claim 1, characterized in that: The lower mold (2) is movably mounted on the top of the bottom plate (1), and two groups of retaining plates (3) are symmetrically arranged on the outer side of the lower mold (2).

3. The casting tool for an engine flywheel according to claim 2, characterized in that: Two groups of limiting shells (6) are arranged on the top of the bottom plate (1), and the limiting shells (6) are movably combined and connected with the locking plate (3), and a mounting shell (7) is arranged on the top of the limiting shell (6).

4. The casting tool for an engine flywheel according to claim 3, characterized in that: The top inner wall of the installation shell (7) is provided with three groups of No. 1 springs (8), the bottom end of the No. 1 springs (8) is connected with a blocking plate (9), and the blocking plate (9) movably penetrates the inner wall of the limiting shell (6).

5. The casting tool for an engine flywheel according to claim 1, characterized in that: A flywheel body (10) is movably arranged inside the lower mold (2), and the upper mold (11) is movably arranged on the top of the lower mold (2), and the upper mold (11) is embedded in the flywheel body (10), and a plurality of injection tubes (13) are penetrated through the top of the upper mold (11).

6. The casting tool for an engine flywheel according to claim 5, characterized in that: Two groups of positioning blocks (5) are arranged on the outer side of the lower mold (2), and two groups of positioning rods (12) are arranged on the outer side of the upper mold (11), and the positioning rods (12) are movably engaged with the positioning blocks (5).

7. The casting tool for an engine flywheel according to claim 1, characterized in that: A support frame (14) is arranged on the top of the bottom plate (1), a cylinder (15) is arranged inside the support frame (14), an output end of the cylinder (15) is connected to the top of a No. 1 connecting plate (16), an extrusion column (17) is arranged at the bottom end of the No. 1 connecting plate (16), and the extrusion column (17) is connected to the upper mold (11).

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