Connected oil cylinder structure for extrusion core pulling of die-casting die
By designing the joint cylinder structure and combining the movement of the guide column and slider, the problems of waste of mold space and high cost are solved, and mold savings and product quality are achieved.
Patent Information
- Application Number
- CN202422394665.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The extrusion structure and core extraction structure of conventional die-casting molds are usually used alone, resulting in waste of mold space and excessive cost, and a joint cylinder structure is needed to save space and reduce costs.
A joint oil cylinder structure is designed, including a pressing strip, a core extraction cylinder assembly and an extruded oil cylinder mounting plate. Through the cooperation of the guide column and the slider, the movement and core extraction of the core extraction cylinder are realized, and combined with the limit column and the trigger switch, it ensures that the air discharge and hole position forming in the product is carried out.
It achieves savings in mold space, reducing costs and reducing overall volume, while improving product quality and ensuring the molding accuracy of hole positions.
Smart Images
Figure CN223198039U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of die casting molds, in particular to a connected oil cylinder structure used for extruding and core pulling of die casting molds. Background Art
[0002] Conventional die-casting molds are usually equipped with an extrusion structure and a core-pulling structure during production. The main function of the extrusion structure is to extrude the nearly solidified product by pushing the pin, so that the air in the product is squeezed out and the product quality is improved. The core-pulling structure mainly assists in the formation of the product structure. The two structures are usually used separately, which will cause the mold volume to be too bloated. In order to solve the above problem, the structure needs to be improved. Summary of the Invention
[0003] The technical problem to be solved by the utility model is to provide a one-piece oil cylinder structure for extruding and pulling cores in a die-casting mold, which has the characteristics of saving mold space, reducing mold costs, and reducing the overall volume of the mold.
[0004] The technical solution adopted by the utility model to solve its technical problems is: to provide a one-piece oil cylinder structure for extruding core pulling of die casting mold, comprising a pressure strip, a core pulling oil cylinder assembly and an extrusion oil cylinder mounting plate, wherein the pressure strips are two in total and arranged side by side, an extrusion oil cylinder mounting plate is provided on one side of the two pressure strips, four guide pillars arranged in parallel are installed at the four corners of the extrusion oil cylinder mounting plate and between the two pressure strips, a core pulling oil cylinder assembly is slidably installed on the guide pillars, and the core pulling oil cylinder assembly comprises a core pulling oil cylinder bottom plate, ... The core oil cylinder top plate and the core pulling oil cylinder, the core pulling oil cylinder bottom plate and the core pulling oil cylinder top plate are arranged side by side, and the two are slidably installed on the guide column, the core pulling oil cylinder is installed between the core pulling oil cylinder bottom plate and the core pulling oil cylinder top plate, the main shaft of the core pulling oil cylinder passes through the core pulling oil cylinder bottom plate, and a slider is slidably installed between the two pressure strips, one side of the slider is connected to the main shaft of the core pulling oil cylinder, the extrusion oil cylinder mounting plate is installed with the extrusion oil cylinder, and the main shaft of the extrusion oil cylinder passes through the extrusion oil cylinder mounting plate and is connected to the core pulling oil cylinder assembly.
[0005] In this technical solution, a guide column is provided to facilitate the movement of the core pulling cylinder assembly along the guide column, so that the core pulling cylinder can push the core pulling cylinder assembly, ensuring that the air in the product that is close to solidification can be discharged after being squeezed, thereby improving the overall quality of the product. A slider is provided to drive the core pulling structure to perform the core pulling action.
[0006] As a supplement to this technical solution, a number of core-pulling columns are installed on the other side of the slider, and hole pins are installed on the core-pulling columns. The installation of the core-pulling columns is used to facilitate the installation of the hole pins, and the installation of the hole pins is used to ensure that the holes of the product are formed.
[0007] As a supplement to the present technical solution, a pin arrangement block is installed in the middle of the hole pin, and the pin arrangement block is provided with a plurality of mounting holes matching the hole pin. The pin arrangement block is installed with a plurality of pin sleeves, and the pin sleeves are sleeved on the hole pin.
[0008] In this technical solution, a pin arrangement block is installed to facilitate adjustment of the position of the hole pin, which is convenient for staff to make adjustments, and a pin cover is installed to protect the hole pin.
[0009] As a supplement to the present technical solution, a plurality of limit columns are installed side by side on the side of the core pulling cylinder top plate close to the extrusion cylinder mounting plate, and the extrusion stroke of the extrusion cylinder is limited by installing the limit columns.
[0010] As a supplement to the present technical solution, a trigger switch mounting plate is installed on the lower end surface of the core-pulling cylinder assembly, two trigger switches are installed side by side on the lower end surface of the trigger switch mounting plate, two guide seats are installed side by side on the lower end surface of the trigger switch mounting plate, a trigger rod parallel to the core-pulling cylinder assembly is installed in the guide seat, the trigger rod is connected to the slider, and two contact protrusions are symmetrically installed in the middle of the trigger rod, and the contact protrusions match the contact ends of the two trigger switches.
[0011] Beneficial effects: The utility model relates to a one-piece oil cylinder structure for extrusion core pulling of die-casting molds. A guide column is provided to facilitate the movement of the core pulling cylinder assembly along the guide column, so that the core pulling cylinder can push the core pulling cylinder assembly, ensuring that the air in the product that is close to solidification can be discharged after being squeezed, thereby improving the overall quality of the product. A slider is provided to drive the core pulling structure to perform the core pulling action; it has the characteristics of saving mold space, reducing mold cost, and reducing the overall volume of the mold. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a top view of the utility model;
[0013] Figure 2 It is a bottom view of the utility model;
[0014] Figure 3 It is a structural view of the utility model;
[0015] Figure 4 It is a structural view of the core-pulling column described in the utility model.
[0016] Illustration: 1. Pressure strip, 2. Extrusion cylinder mounting plate, 3. Guide column, 4. Core-pulling cylinder assembly, 5. Limit column, 6. Extrusion cylinder, 7. Slider, 8. Latch arrangement block, 9. Contact protrusion, 10. Core-pulling cylinder bottom plate, 11. Core-pulling cylinder, 12. Core-pulling cylinder top plate, 13. Core-pulling column, 14. Latch sleeve, 15. Hole latch, 16. Trigger switch mounting plate, 17. Trigger switch, 18. Trigger rod, 19. Guide seat. DETAILED DESCRIPTION
[0017] The present invention will be further described below with reference to specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the contents of this invention, those skilled in the art may make various changes or modifications to the present invention, and that such equivalents also fall within the scope of the claims appended hereto.
[0018] The embodiment of the utility model relates to a one-piece oil cylinder structure for extrusion core pulling of a die casting mold, such as Figure 1 -4, including a layering strip 1, a core-pulling cylinder assembly 4 and an extrusion cylinder mounting plate 2, the layering strips 1 have two pieces, which are arranged side by side, and an extrusion cylinder mounting plate 2 is provided on one side of the two layering strips 1, and four guide pillars 3 arranged in parallel are installed at the four corners of the extrusion cylinder mounting plate 2 and between the two layering strips 1, and the core-pulling cylinder assembly 4 is slidably installed on the guide pillars 3, and the core-pulling cylinder assembly 4 includes a core-pulling cylinder bottom plate 10, a core-pulling cylinder top plate 12 and a core-pulling cylinder 11, and the core-pulling cylinder bottom plate 10 and The core-pulling cylinder top plates 12 are arranged side by side, and the two are slidably installed on the guide column 3. The core-pulling cylinder 11 is installed between the core-pulling cylinder bottom plate 10 and the core-pulling cylinder top plate 12. The main shaft of the core-pulling cylinder 11 passes through the core-pulling cylinder bottom plate 10. A slider 7 is slidably installed between the two layering strips 1. One side of the slider 7 is connected to the main shaft of the core-pulling cylinder 11. The extrusion cylinder 6 is installed on the extrusion cylinder mounting plate 2. The main shaft of the extrusion cylinder 6 passes through the extrusion cylinder mounting plate 2 and is connected to the core-pulling cylinder assembly 4.
[0019] In this technical solution, a guide column 3 is provided to facilitate the movement of the core-pulling cylinder assembly 4 along the guide column 3, so that the core-pulling cylinder 11 can push the core-pulling cylinder assembly 4, ensuring that the air in the product that is close to solidification can be discharged after being squeezed, thereby improving the overall quality of the product. A slider 7 is provided to drive the core-pulling structure to perform the core-pulling action.
[0020] As a supplement to the present technical solution, a plurality of core-pulling columns 13 are installed on the other side of the slider 7, and a hole pin 15 is installed on the core-pulling column 13. The installation of the core-pulling column 13 is used to facilitate the installation of the hole pin 15, and the installation of the hole pin 15 is used to ensure that the hole position of the product can be formed.
[0021] As a supplement to the present technical solution, a pin arrangement block 8 is installed in the middle of the hole pin 15, and the pin arrangement block 8 is provided with a plurality of mounting holes matching the hole pin 15. A plurality of pin sleeves 14 are installed on the pin arrangement block 8, and the pin sleeves 14 are sleeved on the hole pin 15.
[0022] In the present technical solution, the pin arrangement block 8 is installed to facilitate the adjustment of the position of the hole pin 15, so as to facilitate the adjustment by the staff, and the pin sheath 14 is installed to protect the hole pin 15.
[0023] As a supplement to the present technical solution, a plurality of limiting columns 5 are installed side by side on the core pulling cylinder top plate 12 close to the extrusion cylinder mounting plate 2 , and the extrusion stroke of the extrusion cylinder 6 is limited by installing the limiting columns 5 .
[0024] As a supplement to the present technical solution, a trigger switch mounting plate 16 is installed on the lower end surface of the core pulling cylinder assembly 4, and two trigger switches 17 are installed side by side on the lower end surface of the trigger switch mounting plate 16. Two guide seats 19 are installed side by side on the lower end surface of the trigger switch mounting plate 16. A trigger rod 18 parallel to the core pulling cylinder assembly 4 is installed in the guide seat 19, and the trigger rod 18 is connected to the slider 7. Two contact protrusions 9 are symmetrically installed in the middle of the trigger rod 18, and the contact protrusions 9 match the contact ends of the two trigger switches 17.
[0025] The above is a detailed introduction to the one-piece oil cylinder structure for extrusion core pulling of die-casting molds provided by the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for general technical personnel in this field, based on the ideas of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.
Claims
1. A one-piece oil cylinder structure for extrusion core pulling of die casting molds, characterized by: The invention comprises a pressure strip (1), a core-pulling cylinder assembly (4) and an extrusion cylinder mounting plate (2), wherein the pressure strips (1) are two in total and are arranged side by side, and an extrusion cylinder mounting plate (2) is provided on one side of the two pressure strips (1), and four guide pillars (3) arranged in parallel are installed at the four corners of the extrusion cylinder mounting plate (2) and between the two pressure strips (1), and a core-pulling cylinder assembly (4) is slidably installed on the guide pillars (3), and the core-pulling cylinder assembly (4) comprises a core-pulling cylinder bottom plate (10), a core-pulling cylinder top plate (12) and a core-pulling cylinder (11), and the core-pulling cylinder bottom plate (10) and the core-pulling cylinder top plate (12) are provided on the guide pillars (3). The cylinder top plates (12) are arranged side by side, and the two are slidably mounted on the guide column (3). A core pulling cylinder (11) is mounted between the core pulling cylinder bottom plate (10) and the core pulling cylinder top plate (12). The main shaft of the core pulling cylinder (11) passes through the core pulling cylinder bottom plate (10). A slider (7) is slidably mounted between the two pressure strips (1). One side of the slider (7) is connected to the main shaft of the core pulling cylinder (11). An extrusion cylinder (6) is mounted on the extrusion cylinder mounting plate (2). The main shaft of the extrusion cylinder (6) passes through the extrusion cylinder mounting plate (2) and is connected to the core pulling cylinder assembly (4).
2. The one-piece oil cylinder structure for extrusion core pulling of a die casting mold according to claim 1, characterized in that: A plurality of core-pulling columns (13) are installed on the other side of the slider (7), and hole pins (15) are installed on the core-pulling columns (13).
3. The one-piece oil cylinder structure for extrusion core pulling of a die casting mold according to claim 2, characterized in that: A pin arrangement block (8) is installed in the middle of the hole pin (15), and a plurality of mounting holes matching the hole pin (15) are provided on the pin arrangement block (8). A plurality of pin sleeves (14) are installed on the pin arrangement block (8), and the pin sleeves (14) are sleeved on the hole pin (15).
4. The one-piece oil cylinder structure for extrusion core pulling of a die casting mold according to claim 1, characterized in that: A plurality of limiting columns (5) are installed side by side on the core pulling cylinder top plate (12) close to the extrusion cylinder mounting plate (2).
5. The one-piece oil cylinder structure for extrusion core pulling of a die-casting mold according to claim 1, characterized in that: A trigger switch mounting plate (16) is mounted on the lower end surface of the core-pulling cylinder assembly (4), two trigger switches (17) are mounted side by side on the lower end surface of the trigger switch mounting plate (16), two guide seats (12) are mounted side by side on the lower end surface of the trigger switch mounting plate (16), a trigger rod (18) parallel to the core-pulling cylinder assembly (4) is mounted in the guide seat (19), the trigger rod (18) is connected to the slider (7), two contact protrusions (9) are symmetrically mounted on the middle part of the trigger rod (18), and the contact protrusions (9) match the contact ends of the two trigger switches (17).