A flexible assembly of stretching die steel castings and forgings

Abstract

This utility model relates to the field of mold manufacturing technology and discloses a flexible assembly steel casting and forging for a stretching die, including a connecting plate and an extruder. The upper side of the extruder is fixedly connected to the bottom end of the connecting plate, and a fixing component is provided on the lower outer wall of the extruder. An extrusion die is fixedly connected to the bottom end of the extruder through the fixing component. A telescopic rod is slidably connected to the lower side of the connecting plate, and a base is fixedly connected to the lower side of the telescopic rod. A die-casting table is fixedly connected to the upper side of the base, and a knob is rotatably connected to the front side of the base. A lifting component is provided behind the knob. In this utility model, the mold can be quickly loaded and unloaded through the knob, screw and other structures, shortening the changeover time and improving production efficiency. To address the problem of easy material jamming in concave molds, a dual part-removing structure of spring buffer and worm gear transmission is designed to avoid production stoppage and reduce mold wear and defect rate.

Description

Technical Field

[0001] This utility model relates to the field of mold manufacturing technology, and in particular to a flexible assembly of stretching die steel castings and forgings. Background Technology

[0002] In modern industrial production, steel castings and forgings for drawing dies are widely used in many fields such as machinery manufacturing, automotive parts processing, and aerospace, and are key equipment for realizing the forming and processing of metal materials. With the continuous growth of the manufacturing industry's demand for product diversification and personalization, the production process requires frequent die changes to die-cast materials of different shapes, and at the same time, higher requirements are placed on the smooth removal of the formed materials.

[0003] Currently, commercially available steel castings and forgings for drawing dies have limitations in die replacement and material removal. In die replacement, traditional connection methods rely heavily on bolt fastening or complex snap-fit ​​structures. Operators need to use wrenches, screwdrivers, and other tools, following cumbersome steps for disassembly and installation, which is time-consuming and increases equipment downtime, severely impacting production efficiency. Regarding material removal, since extrusion dies often employ concave structures, the forming material easily gets stuck in the die's recess during actual extrusion. Existing removal methods often rely on simple ejection structures or manual assistance. In extreme cases of material jamming, effective removal is difficult, and forced removal not only prolongs the production cycle but may also damage the die or reduce product quality. To address this technical problem, this application proposes a flexible assembly steel casting and forging for drawing dies. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a flexible assembly of steel castings and forgings for stretching dies. This allows for rapid die loading and unloading via knobs, screws, and other structures, shortening changeover time and improving production efficiency. To address the issue of material jamming in concave dies, a dual-stage part-removal structure combining spring buffer and worm gear transmission is designed to prevent production stoppages and reduce die wear and defect rates.

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

[0006] A flexible assembly of a steel casting or forging for a stretching die includes a connecting plate and an extruder. The upper side of the extruder is fixedly connected to the bottom end of the connecting plate. A fixing component is provided on the lower outer wall of the extruder. An extrusion die is fixedly connected to the bottom end of the extruder through the fixing component. A telescopic rod is slidably connected to the lower side of the connecting plate. A base is fixedly connected to the lower side of the telescopic rod. A die-casting table is fixedly connected to the upper side of the base. A knob is rotatably connected to the front side of the base. A lifting component is provided behind the knob.

[0007] Furthermore, the lifting assembly includes a worm gear fixedly connected to the left side of the knob, a worm wheel meshing with the rear side of the worm gear, a stud fixedly connected to the upper side of the worm wheel, and an internally threaded rod threadedly connected to the outer wall of the stud.

[0008] Furthermore, the fixing component includes a housing fixedly connected to the lower side of the extruder, a screw threadedly connected inside the housing, a knob fixedly connected to the upper side of the screw, a fixed ball fixedly connected to the lower side of the screw, and a movable ball disposed inside the housing.

[0009] Furthermore, a bearing is fixedly connected inside the base, and the inner wall of the bearing is fixedly connected to the outer wall of the worm gear.

[0010] Furthermore, the outer wall of the internally threaded rod is slidably connected to the inner wall of the base, and an extrusion block is fixedly connected to the upper side of the internally threaded rod.

[0011] Furthermore, a buffer plate is slidably connected to the outer wall of the extrusion block, and the outer wall of the buffer plate is slidably connected to the inner wall of the die-casting table. A spring is provided on the lower side of the buffer plate.

[0012] Furthermore, the upper outer wall of the extrusion die is provided with a groove, the outer wall of the movable ball is located below the fixed ball, and the side of the outer shell is provided with a hole.

[0013] This utility model has the following beneficial effects:

[0014] 1. This utility model greatly improves the convenience of mold replacement. Traditional mold replacement is cumbersome, often requiring multiple tools and consuming a lot of time. However, this casting and forging part, through a cleverly designed combination structure of knob, screw, fixed ball, and movable ball, allows operators to quickly install and disassemble the mold simply by rotating the knob. This design significantly shortens mold replacement time, reduces equipment downtime, and effectively improves production efficiency, making it particularly suitable for production scenarios that require frequent mold changes to die-cast materials of different shapes.

[0015] 2. This utility model effectively solves the problem of material removal caused by mold concavity. Because the extrusion mold has a concave structure, during actual extrusion, the forming material can easily get stuck in the mold concavity and be difficult to remove, potentially damaging the mold or product if forcibly removed. To address this, the casting / forging innovatively designs a dual removal structure: Firstly, a buffer plate and spring are installed inside the die-casting platform. During extrusion, the spring is compressed, accumulating elastic potential energy. After the extruder moves upward, the spring releases its elastic potential energy to push the buffer plate, ejecting the material from the mold. Secondly, in the extreme case of material jamming, rotating the knob can drive the worm gear to rotate. Through the transmission of the worm wheel and stud, the internal threaded rod drives the extrusion block upward, further assisting in material removal. Attached Figure Description

[0016] Figure 1 A perspective view of a flexible assembly stretching die steel casting or forging proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of a worm gear structure for a flexible assembly steel casting or forging of a stretching die proposed in this utility model.

[0018] Figure 3 This is a schematic diagram of the movable ball structure of a flexible assembly stretching die steel casting or forging.

[0019] Legend:

[0020] 1. Connecting plate; 2. Extruder; 3. Extrusion die; 4. Telescopic rod; 5. Die-casting table; 6. Base; 7. Knob 1; 8. Buffer plate; 9. Spring; 10. Extrusion block; 11. Moving ball; 12. Internal threaded rod; 13. Stud; 14. Worm gear; 15. Bearing; 16. Worm wheel; 17. Knob 2; 18. Screw; 19. Housing; 20. Fixed ball. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Reference Figure 1 This utility model provides an embodiment of a flexible assembly stretching die steel casting and forging, comprising a connecting plate 1 and an extruder 2. The extruder 2 is fixedly connected to the bottom end of the connecting plate 1 on its upper side. A housing 19 is provided on the lower outer wall of the extruder 2. A screw 18 is threadedly connected inside the housing 19. A knob 17 is fixedly connected to the upper side of the screw 18. A fixed ball 20 is fixedly connected to the lower side of the screw 18. A movable ball 11 is provided inside the housing 19. An extrusion die 3 is fixedly connected to the bottom end of the extruder 2 through the housing 19. A telescopic rod 4 is slidably connected to the lower side of the connecting plate 1. A base 6 is fixedly connected to the lower side of the telescopic rod 4. A die-casting table 5 is fixedly connected to the upper side of the base 6. A knob 7 is rotatably connected to the front side of the base 6. A worm gear 14 is provided behind the knob 7. A worm wheel 16 is meshed with the rear side of the worm gear 14. A stud 13 is fixedly connected to the upper side of the worm wheel 16. An internally threaded rod 12 is threadedly connected to the outer wall of the stud 13.

[0023] Specifically, during the use of the device, different molds are often required for die-casting materials of different shapes. Therefore, it is necessary to constantly change the molds for extrusion. Thus, a structure design was designed for easy installation. First, the extrusion mold 3 is placed under the extruder 2, and the two parts are connected by aligning them with the opening on the lower side of the outer casing 19. Rotating the knob 17 causes the screw 18 on the lower side to rotate inside the outer casing 19, driving the fixed ball 20 downwards. When the fixed ball 20 presses against the movable ball 11, the movable ball 11 moves to the side and gets stuck in the groove on the lower side of the extrusion mold 3. During this process, the self-locking property of the device's threads prevents the device from falling off. When it needs to be released, simply rotate the knob 17 upwards. The space inside the outer casing 19 has a certain stripe design to prevent the movable ball 11 from moving around. After the extrusion mold 3 is installed, the extruder 2 moves downwards, thereby extruding the sheet material placed on the upper side of the die-casting table 5. Because the extrusion die is concave, it may become stuck inside the device and difficult to remove. Therefore, a design was designed to facilitate removal. During the extrusion process, the buffer plate 8 will press down along with the sheet material. When the extruder 2 moves up, the previously compressed spring 9 will provide a reverse force to help remove the material. However, sometimes there may be a jamming design. The spring 9 can be rotated to drive the internal worm gear 14 to rotate, which in turn drives the worm wheel 16 to rotate. The worm wheel 16 drives the upper stud 13 to rotate, which will drive the internal threaded rod 12 to move upward. The internal threaded rod 12 drives the extrusion block 10 to move upward, thereby assisting in the removal of the sheet material.

[0024] Reference Figure 2 and Figure 3 A bearing 15 is fixedly connected inside the base 6, and the inner wall of the bearing 15 is fixedly connected to the outer wall of the worm gear 14. The outer wall of the internally threaded rod 12 is slidably connected to the inner wall of the base 6, and an extrusion block 10 is fixedly connected to the upper side of the internally threaded rod 12. A buffer plate 8 is slidably connected to the outer wall of the extrusion block 10, and the outer wall of the buffer plate 8 is slidably connected to the inner wall of the die-casting table 5. A spring 9 is provided on the lower side of the buffer plate 8. A groove is provided on the upper outer wall of the extrusion mold 3, the outer wall of the movable ball 11 is located on the lower side of the fixed ball 20, and holes are opened on the side of the outer shell 19.

[0025] Specifically, the base 6 serves as the fundamental support component of the entire device. A bearing 15 is fixedly connected inside the base 6, and the inner wall of the bearing 15 is tightly fixed to the outer wall of the worm gear 14, providing stable support and a low-friction rotational environment for the worm gear 14. The outer wall of the internally threaded rod 12 is slidably connected to the inner wall of the base 6, allowing it to slide up and down along the inner wall of the base 6. A pressing block 10 is fixedly connected to the upper side of the internally threaded rod 12, and can move with the movement of the internally threaded rod 12. A buffer plate 8 is slidably connected to the outer wall of the pressing block 10, allowing the buffer plate 8 to slide relative to the pressing block 10. The outer wall of the buffer plate 8 is also slidably connected to the inner wall of the die-casting table 5, thus confining the buffer plate 8 within the die-casting table 5. A spring 9 is provided on the lower side of the buffer plate 8, with one end connected to the buffer plate 8 and the other end fixedly installed. The elastic deformation of the spring 9 provides buffering and restoring force. The upper outer wall of the extrusion die 3 is specially provided with a groove, which is used in conjunction with the movable ball 11. The outer wall of the movable ball 11 is located below the fixed ball 20. When the screw 18 drives the fixed ball 20 to move, the movable ball 11 can be squeezed and moved to be locked into the groove for fixation. The outer shell 19 has a hole on its side. This hole is used for the movable ball 11 to move to the side when squeezed to complete the locking and fixation with the groove of the extrusion die 3. It also facilitates the smooth retraction of the movable ball 11 into the outer shell 19 during disassembly.

[0026] Working Principle: When this flexibly assembled stretching die steel casting / forging is in operation, the die is first installed. The extrusion die 3 is placed under the extruder 2, aligned with the lower opening of the outer casing 19. Rotating knob 17 causes the screw 18 to rotate within the casing 19, moving the fixed ball 20 downwards. The fixed ball 20 presses against the movable ball 11, causing it to move laterally and engage with the lower groove inside the extrusion die 3. The self-locking characteristic of the thread ensures a secure connection. For disassembly, rotating knob 17 in the opposite direction causes the screw 18 to move the fixed ball 20 upwards, causing the movable ball 11 to retract and be removed. During extrusion, the extruder 2 moves the installed extrusion die 3 downwards, applying pressure to the sheet metal placed on the die-casting table 5, completing the material extrusion molding. During extrusion, the sheet metal presses down on the buffer plate 8, which compresses the spring 9, accumulating elastic potential energy. When the extruder 2 moves upwards, the spring 9 releases this elastic potential energy, providing a counterforce to the buffer plate 8, assisting in ejecting the molded material from the extrusion die 3. If material jamming occurs, rotate knob 7 to drive worm 14 to rotate. Worm 14 meshes with worm wheel 16 for transmission. Worm wheel 16 drives stud 13 to rotate, which in turn drives internal thread rod 12 to move upward. Internal thread rod 12 drives extrusion block 10 to push buffer plate 8 and jammed material upward together, completing the material removal operation.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flexible assembly drawing die steel casting or forging, comprising a connecting plate (1) and an extruder (2), characterized in that: The extruder (2) is fixedly connected to the bottom of the connecting plate (1) on the upper side. A fixing component is provided on the lower outer wall of the extruder (2). An extrusion mold (3) is fixedly connected to the bottom of the extruder (2) through the fixing component. A telescopic rod (4) is slidably connected to the lower side of the connecting plate (1). A base (6) is fixedly connected to the lower side of the telescopic rod (4). A die-casting table (5) is fixedly connected to the upper side of the base (6). A knob (7) is rotatably connected to the front side of the base (6). A lifting component is provided on the rear side of the knob (7).

2. The flexible assembly steel casting or forging for a stretching die according to claim 1, characterized in that: The lifting assembly includes a worm gear (14) fixedly connected to the left side of knob (7), a worm wheel (16) meshing with the rear side of the worm gear (14), a stud (13) fixedly connected to the upper side of the worm wheel (16), and an internally threaded rod (12) threadedly connected to the outer wall of the stud (13).

3. The flexible assembly drawing die steel casting or forging according to claim 1, characterized in that: The fixing assembly includes a housing (19) fixedly connected to the lower side of the extruder (2), a screw (18) threadedly connected inside the housing (19), a knob (17) fixedly connected to the upper side of the screw (18), a fixed ball (20) fixedly connected to the lower side of the screw (18), and a movable ball (11) provided inside the housing (19).

4. A flexible assembly steel casting or forging for a stretching die according to claim 2, characterized in that: The base (6) is fixedly connected to a bearing (15), and the inner wall of the bearing (15) is fixedly connected to the outer wall of the worm (14).

5. A flexible assembly steel casting or forging for a stretching die according to claim 2, characterized in that: The outer wall of the internal threaded rod (12) is slidably connected to the inner wall of the base (6), and an extrusion block (10) is fixedly connected to the upper side of the internal threaded rod (12).

6. A flexible assembly steel casting or forging for a stretching die according to claim 5, characterized in that: The outer wall of the extrusion block (10) is slidably connected to a buffer plate (8), the outer wall of the buffer plate (8) is slidably connected to the inner wall of the die-casting table (5), and a spring (9) is provided on the lower side of the buffer plate (8).

7. A flexible assembly steel casting or forging for a stretching die according to claim 3, characterized in that: The upper outer wall of the extrusion mold (3) is provided with a groove, the outer wall of the movable ball (11) is provided on the lower side of the fixed ball (20), and the outer shell (19) is provided with a hole on its side.

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