Transmission system core positioning tool and core module

Abstract

The utility model discloses a transmission system mold core positioning tool and a mold core module. The transmission system mold core positioning tool comprises a workbench, a lower mold is arranged at the top of the workbench, an upper mold is arranged at the top of the lower mold, a mold core body is inserted into the lower mold, and an ejection assembly is arranged at the bottom of the workbench; the ejection assembly comprises a connecting plate connected to the bottom of the mold core body, an annular groove is formed in the outer wall of the mold core body, a blind hole is formed in one side of the annular groove, a spring is connected into the groove, an iron block is fixedly connected into the blind hole, a sliding rod is inserted into the blind hole, and the spring is arranged on the outer wall of the sliding rod in a sleeving mode. One end of the sliding rod is fixedly connected with an electromagnet, the other end of the sliding rod is fixedly connected with a positioning block, one side of the positioning block is connected with the spring, the electromagnet is in magnetic connection with the iron block, a groove is formed in the lower die, and one end of the positioning block is inserted into the groove of the lower die. The device can realize quick disassembly and assembly of the mold core body and the lower mold, so that the disassembly efficiency of the mold core body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment casting, in particular to a core positioning tool for a transmission system and a core module. Background Art

[0002] The transmission system is generally composed of a clutch, a transmission, a universal joint, a final reducer, a differential and a half-axle; its basic function is to transmit the power generated by the engine to the drive wheels of the car, generate driving force, and enable the car to travel at a certain speed.

[0003] During the casting production process, the transmission system equipment needs to inject molten metal into the mold, cool it, and then take it out after forming. The existing mold is provided with a core. In order to ensure the stability of the core during the installation process of the core with the mold, bolts are usually used to fix it. Although the use of bolts can ensure the stability of the core, it cannot achieve rapid installation, disassembly and replacement of the core, so improvement is needed. Utility Model Content

[0004] The utility model aims to provide a core positioning tool and a core module of a transmission system to solve the problem of inconvenient core disassembly and assembly proposed in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a transmission system core positioning tool and a core mold assembly, comprising a workbench, a lower mold is arranged on the top of the workbench, an upper mold is arranged on the top of the lower mold, a core body is inserted in the lower mold, and an ejection assembly is arranged at the bottom of the workbench;

[0006] The ejection assembly includes a connecting plate connected to the bottom of the core body, an annular groove is opened on the outer wall of the core body, a blind hole is opened on one side of the annular groove, a spring is connected inside the groove, an iron block is fixedly connected inside the blind hole, a sliding rod is inserted inside the blind hole, the spring is sleeved on the outer wall of the sliding rod, one end of the sliding rod is fixedly connected to an electromagnet, the other end of the sliding rod is fixedly connected to a positioning block, one side of the positioning block is connected to the spring, the electromagnet and the iron block form a magnetic connection, a groove is opened on the lower mold, and one end of the positioning block is inserted in the groove of the lower mold.

[0007] Preferably, a third hydraulic cylinder is fixedly connected to the bottom of the workbench, one end of the third hydraulic cylinder is connected to a connecting plate, and the connecting plate is a "T"-shaped structure.

[0008] Preferably, the positioning blocks are of arc-shaped structure, and the positioning blocks are symmetrically distributed about the bisector of the core body, and two positioning blocks are combined to form an annular structure.

[0009] Preferably, notches are provided on both sides of the core body and the connecting plate, connecting blocks are provided inside the notches, and the connecting blocks are connected to the core body and the connecting plate via latch rods.

[0010] Preferably, a second hydraulic cylinder is fixedly connected to the bottom of the workbench, and the second hydraulic cylinder is located on both sides of the third hydraulic cylinder.

[0011] Preferably, one end of the second hydraulic cylinder is connected to a push rod, and one end of the push rod passes through the workbench and is inserted into the lower mold.

[0012] Preferably, a frame is provided on the top of the workbench, a first hydraulic cylinder is provided on the top side of the frame, one end of the first hydraulic cylinder is connected to the upper mold, a pouring port is opened at one end of the upper mold, and a pouring pipe is connected to one end of the pouring port.

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

[0014] (1) The device can realize the rapid disassembly and assembly of the core body and the lower mold, thereby improving the disassembly efficiency of the core body.

[0015] (2) The device is connected to the core body by arranging an automatically lifting connecting plate at the bottom of the lower mold, and at the same time, arranging positioning blocks that can be automatically popped out and retracted on both sides of the core body. The positioning blocks can be automatically popped out and inserted into the groove inside the lower mold to realize the rapid connection between the core body and the lower mold, and the connecting plate can drive the core body to automatically connect and separate with the lower mold, thereby improving the efficiency of disassembly and assembly of the core body.

[0016] (3) The device can connect the core body and the connecting plate by providing a connecting block, thereby facilitating the subsequent separation of the core body and the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the core positioning tooling and core module structure of a transmission system of the utility model;

[0018] Figure 2 This is a cross-sectional view of a core positioning tool and a core module of a transmission system of the utility model;

[0019] Figure 3 The utility model is a transmission system core positioning tool and a core module Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 The utility model is a front view of a core body of a core positioning tool and a core module of a transmission system.

[0021] In the figure: 1. first hydraulic cylinder; 2. upper mold; 3. lower mold; 4. workbench; 5. ejector assembly; 51. connecting plate; 52. third hydraulic cylinder; 53. iron block; 54. electromagnet; 55. positioning block; 56. sliding rod; 57. spring; 58. connecting block; 6. second hydraulic cylinder; 7. frame; 8. pouring pipe; 9. ejector rod; 10. core body. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 The utility model provides a technical solution: a transmission system core positioning tool and a core mold assembly, including a workbench 4, a lower mold 3 is arranged on the top of the workbench 4, a third hydraulic cylinder 52 is fixedly connected to the bottom of the workbench 4, one end of the third hydraulic cylinder 52 is connected to the connecting plate 51, and the connecting plate 51 is a "T"-shaped structure; a second hydraulic cylinder 6 is fixedly connected to the bottom of the workbench 4, and the second hydraulic cylinder 6 is located on both sides of the third hydraulic cylinder 52; this structure can push the core body 10 and the connecting plate 51 to automatically rise and fall by arranging the third hydraulic cylinder 52; one end of the second hydraulic cylinder 6 is connected to a push rod 9, and one end of the push rod 9 passes through the workbench 4 and is inserted into the lower mold The upper mold 2 and the lower mold 3 are placed inside the mold 3; this structure can push the ejector rod 9 by setting the second hydraulic cylinder 6, so that the ejector rod 9 can eject the products inside the upper mold 2 and the lower mold 3; a frame 7 is set on the top of the workbench 4, and a first hydraulic cylinder 1 is set on the top side of the frame 7, one end of the first hydraulic cylinder 1 is connected to the upper mold 2, and a pouring port is opened at one end of the upper mold 2, and a pouring pipe 8 is connected to one end of the pouring port; this structure can drive the upper mold 2 to automatically rise and fall through the first hydraulic cylinder 1, so as to realize the separation and combination of the upper mold 2 and the lower mold 3; the upper mold 2 is set on the top of the lower mold 3, and a core body 10 is inserted in the lower mold 3, and an ejector assembly 5 is set at the bottom of the workbench 4;

[0024] The ejection assembly 5 includes a connecting plate 51 connected to the bottom of the core body 10, an annular groove is provided on the outer wall of the core body 10, a blind hole is provided on one side of the annular groove, a spring 57 is connected inside the groove, an iron block 53 is fixedly connected inside the blind hole, a sliding rod 56 is inserted inside the blind hole, the spring 57 is sleeved on the outer wall of the sliding rod 56, an electromagnet 54 is fixedly connected to one end of the sliding rod 56, and a positioning block 55 is fixedly connected to the other end of the sliding rod 56. The positioning block 55 is an arc-shaped structure, and the positioning blocks 55 are symmetrically distributed about the bisector of the core body 10. The two positioning blocks 55 are combined to form an annular structure; this structure can connect the core body 10 to the lower mold 3 by setting the positioning blocks 55; both sides of the core body 10 and the connecting plate 51 are provided with notches, and a connecting block 58 is provided inside the notch to connect The block 58 is connected to the core body 10 and the connecting plate 51 by a latch rod, which is a polygonal latch rod to prevent the latch rod from rotating arbitrarily inside the connecting block 58, the core body 10 and the connecting plate 51; this structure can realize the rapid connection and separation of the connecting block 58, the core body 10 and the connecting plate 51; one side of the positioning block 55 is connected to the spring 57, the electromagnet 54 and the iron block 53 form a magnetic connection, a groove is provided on the lower mold 3, and one end of the positioning block 55 is inserted in the groove of the lower mold 3; the device can drive the spring 57 to contract through the adsorption connection between the electromagnet 54 and the iron block 53, so that the positioning block 55 is separated from the lower mold 3, and when the electromagnet 54 is separated from the iron block 53, the positioning block 55 can be connected to the lower mold 3, thereby ensuring the stability of the installation of the core body 10 and the lower mold 3.

[0025] Working principle: When using the core positioning tooling and core module of the transmission system, first start the third hydraulic cylinder 52 so that the third hydraulic cylinder 52 pushes the connecting plate 51 to rise. At this time, the core body 10 is placed on the top of the connecting plate 51, and then the connecting block 58 is placed in the gaps on both sides of the core body 10 and the connecting plate 51. Then, the latch rod is inserted into the inside of the connecting block 58 to connect the connecting block 58 with the core body 10 and the connecting plate 51. Then, the third hydraulic cylinder 52 is reset to drive the connecting plate 51 and the core body 10 to descend, so that the lower ends of the connecting plate 51 and the core body 10 are inserted into the interior of the lower mold 3, and then the electromagnet 54 is closed. The magnetism between the electromagnet 54 and the iron block 53 disappears, so that the spring 57 supports the sliding rod 56 to slide inside the core body 10, and the positioning block 55 at one end of the sliding rod 56 is inserted into the internal groove of the lower mold 3. At this time, the core body 10 is stably connected to the lower mold 3 to ensure the stability of the core body 10 during the use of the device. When disassembling the core body 10, the electromagnet 54 and the iron block 53 are first magnetically adsorbed to make the positioning block 55 retreat to the inside of the core body 10, and then the third hydraulic cylinder 52 pushes the core body 10 and the connecting plate 51 to rise, and finally the latch rod and the connecting block 58 are taken out from both sides of the core body 10 and the connecting plate 51.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A core positioning tool for a transmission system and a core mold assembly, comprising a workbench (4), a lower mold (3) being arranged on the top of the workbench (4), and an upper mold (2) being arranged on the top of the lower mold (3), characterized in that: A core body (10) is inserted into the lower mold (3), and an ejector assembly (5) is arranged at the bottom of the workbench (4); The ejection assembly (5) comprises a connecting plate (51) connected to the bottom of the core body (10); an annular groove is formed on the outer wall of the core body (10); a blind hole is formed on one side of the annular groove; a spring (57) is connected to the inside of the groove; an iron block (53) is fixedly connected to the inside of the blind hole; a sliding rod (56) is inserted into the inside of the blind hole; the spring (57) is sleeved on the outer wall of the sliding rod (56); an electromagnet (54) is fixedly connected to one end of the sliding rod (56); a positioning block (55) is fixedly connected to the other end of the sliding rod (56); one side of the positioning block (55) is connected to the spring (57); the electromagnet (54) and the iron block (53) form a magnetic connection; a groove is formed on the lower mold (3); one end of the positioning block (55) is inserted into the groove of the lower mold (3).

2. A transmission system core positioning tool and core module according to claim 1, characterized in that: A third hydraulic cylinder (52) is fixedly connected to the bottom of the workbench (4); one end of the third hydraulic cylinder (52) is connected to a connecting plate (51); and the connecting plate (51) is a "T"-shaped structure.

3. The core positioning tool and core module of a transmission system according to claim 1, characterized in that: The positioning blocks (55) are of an arc-shaped structure. The positioning blocks (55) are symmetrically distributed about the bisector of the core body (10). Two positioning blocks (55) are combined to form a ring structure.

4. The core positioning tool and core module of a transmission system according to claim 1, characterized in that: Notches are provided on both sides of the core body (10) and the connecting plate (51), and connecting blocks (58) are provided inside the notches. The connecting blocks (58) are connected to the core body (10) and the connecting plate (51) via latch rods.

5. The core positioning tool and core module of a transmission system according to claim 1, characterized in that: A second hydraulic cylinder (6) is fixedly connected to the bottom of the workbench (4), and the second hydraulic cylinder (6) is located on both sides of the third hydraulic cylinder (52).

6. The core positioning tool and core module of a transmission system according to claim 5, characterized in that: One end of the second hydraulic cylinder (6) is connected to a push rod (9), and one end of the push rod (9) passes through the workbench (4) and is inserted into the interior of the lower mold (3).

7. The core positioning tool and core module of a transmission system according to claim 1, characterized in that: A frame (7) is arranged on the top of the workbench (4), a first hydraulic cylinder (1) is arranged on the top side of the frame (7), one end of the first hydraulic cylinder (1) is connected to the upper mold (2), one end of the upper mold (2) is provided with a pouring port, one end of the pouring port is connected to a pouring pipe (8).

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