Wear-resistant and anti-deformation mold

Abstract

The utility model discloses a wear-resistant anti-deformation die, which relates to the technical field of dies and comprises a workbench, a lower die box fixedly connected onto the workbench, a lower die cavity, a guide hole, a hydraulic cylinder, a connecting plate fixedly connected to the telescopic end of the hydraulic cylinder, a stamping block, a guide post and an oil tank fixedly connected onto the connecting plate. The oil tank is fixedly connected to the bottom face of the workbench, heat conduction oil is arranged in the oil tank, and the ejection structure is arranged at the joint of the workbench and the lower mold box and used for ejecting out a formed part in the lower mold box. The cooling device is reasonable in design structure, heat conduction oil in the oil tank can be automatically sprayed to the inner wall of the guide hole in the punching process through movement of the piston in the extrusion cylinder, cooling efficiency is improved, automation of the cooling process is achieved, the temperature between the guide hole and the guide column is effectively reduced, and the service life of the cooling device is prolonged. And abrasion and deformation caused by high temperature are reduced, so that the service life of the mold is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, specifically a wear-resistant and deformation-resistant mold. Background Technology

[0002] Metal molds are various molds and tools used in industrial production to obtain the desired products through methods such as die casting, forging, smelting, and stamping. In short, a mold is a tool used to make shaped objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly achieves the processing of the shape of the object by changing the physical state of the material being shaped. Under the action of external force, it is a tool that makes the blank into a part with a specific shape and size.

[0003] Chinese patent CN219851657U discloses a metal chain tooth anti-deformation processing mold. It moves the punch by moving the movable plate, so that the four sides and bottom of the punch fit and abut against the inner wall of the lower die base. The material is stamped by the pressure mold constructed at the bottom of the punch, so that the material is stamped and formed through the die hole. Since the bottom of the punch abuts against the bottom of the inner wall of the lower die base, it is not easy for the material to deform near the die hole during the stamping process. It is practical for processing.

[0004] In the above solution, a movable plate slides on a support rod to guide the movement of the upper mold in order to ensure accurate mold closing. However, after prolonged mold closing and stamping, not only will the temperature inside the lower mold rise, but the contact surface between the movable plate and the support rod will also heat up due to friction. If this heat cannot be dissipated in time, it can easily affect their quality, leading to deformation. Therefore, we provide a wear-resistant and deformation-resistant mold to solve these problems. Utility Model Content

[0005] 1) Technical problems to be solved

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a wear-resistant and deformation-resistant mold.

[0007] (ii) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a wear-resistant and deformation-resistant mold, comprising:

[0009] A workbench, on which a lower mold box is fixedly connected, and the lower mold box has a lower mold cavity and a guide hole.

[0010] A hydraulic cylinder, wherein a connecting plate is fixedly connected to the telescopic end of the hydraulic cylinder, and a stamping block and a guide column are fixedly connected to the connecting plate.

[0011] An oil tank is fixedly connected to the bottom surface of the workbench, and the oil tank is filled with heat-conducting oil.

[0012] The ejector structure is located at the connection between the worktable and the lower mold box, and is used to eject the molded parts inside the lower mold box.

[0013] A storage ring is embedded in a guide hole. A spray hole is opened on the storage ring. A conveying pipe is fixedly connected to the storage ring. An extrusion cylinder is fixedly connected to the worktable. The bottom end of the extrusion cylinder is located in the oil tank. The bottom end of the extrusion cylinder is open. A piston is arranged below the extrusion cylinder.

[0014] The lifting assembly is used to synchronously lift and move the top material structure and the piston.

[0015] Furthermore, the top material structure includes a receiving groove opened in the lower mold cavity, a top plate placed in the receiving groove, a top rod fixedly connected to the bottom surface of the top plate, and the bottom end of the top rod sequentially passes through the lower mold box, the worktable and extends into the oil tank.

[0016] Furthermore, the lifting assembly includes a motor mounted on the bottom of the oil tank, the output shaft of the motor is fixedly connected to a lead screw, a slider is threaded onto the lead screw, and the bottom end of the top rod is fixedly connected to the slider.

[0017] Furthermore, a connecting rod is fixedly connected to the slider, and the top end of the connecting rod is fixedly connected to the piston.

[0018] (iii) Beneficial effects:

[0019] Compared with existing technologies, this wear-resistant and deformation-resistant mold has the following advantages:

[0020] This invention, through the movement of the piston within the extrusion cylinder, automatically sprays the heat-conducting oil from the oil tank onto the inner wall of the guide hole during the stamping process. This not only improves cooling efficiency but also automates the cooling process, effectively reducing the temperature between the guide hole and the guide post, minimizing wear and deformation caused by high temperatures, and thus extending the service life of the mold. Attached Figure Description

[0021] Figure 1 The three-dimensional representation of this utility model Figure 1 ;

[0022] Figure 2 The three-dimensional representation of this utility model Figure 2 ;

[0023] Figure 3 This is a cross-sectional view of the present invention.

[0024] In the diagram: 1. Workbench; 2. Lower mold box; 3. Lower mold cavity; 4. Hydraulic cylinder; 5. Connecting plate; 6. Stamping block; 7. Guide post; 8. Guide hole; 9. Storage slot; 10. Top plate; 11. Push rod; 12. Oil tank; 13. Motor; 14. Lead screw; 15. Slider; 16. Extrusion cylinder; 17. Connecting rod; 18. Piston; 19. Conveying pipe; 20. Storage ring; 21. Spray hole. Detailed Implementation

[0025] 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.

[0026] like Figure 1-3 As shown, this utility model provides a technical solution: a wear-resistant and deformation-resistant mold, including a worktable 1, a hydraulic cylinder 4, an oil tank 12, a material ejection structure, a storage ring 20, and a lifting assembly.

[0027] A lower mold box 2 is fixedly connected to the workbench 1. The lower mold box 2 has a lower mold cavity 3 and a guide hole 8. The lower mold cavity 3 is used to form the metal sheet.

[0028] The telescopic end of the hydraulic cylinder 4 is fixedly connected to a connecting plate 5. A stamping block 6 and a guide post 7 are fixedly connected to the connecting plate 5. The stamping block 6 matches the lower die cavity 3. When the stamping block 6 and the lower die cavity 3 are combined, the metal can be stamped and formed. The guide hole 8 matches the guide post 7. The guide post 7 is inserted into the guide hole 8 to complete the alignment of the stamping block 6 and the lower die cavity 3.

[0029] The oil tank 12 is fixedly connected to the bottom surface of the workbench 1. The oil tank 12 is filled with heat transfer oil, and the oil tank 12 is designed with pipes for easy replacement of the heat transfer oil.

[0030] The ejector structure is located at the connection between the workbench 1 and the lower mold box 2, and is used to eject the molded parts in the lower mold box 2. The ejector structure includes a receiving groove 9 opened in the lower mold cavity 3, a top plate 10 is placed in the receiving groove 9, and an ejector rod 11 is fixedly connected to the bottom surface of the top plate 10. The bottom end of the ejector rod 11 passes through the lower mold box 2 and the workbench 1 in sequence and extends into the oil tank 12.

[0031] Storage ring 20 is embedded in guide hole 8. Spray hole 21 is opened on storage ring 20. Delivery pipe 19 is fixedly connected to storage ring 20. Extrusion cylinder 16 is fixedly connected to workbench 1. The bottom end of extrusion cylinder 16 is located in oil tank 12. The bottom end of extrusion cylinder 16 is open. Piston 18 is arranged below extrusion cylinder 16.

[0032] The lifting assembly is used to synchronously lift and move the top material structure and piston 18. The lifting assembly includes a motor 13 installed on the bottom surface of the oil tank 12. The output shaft of the motor 13 is fixedly connected to a lead screw 14. A slider 15 is threadedly connected to the lead screw 14. The bottom end of the top rod 11 is fixedly connected to the slider 15.

[0033] When the hydraulic cylinder 4 drives the connecting plate 5 to move upward, the output shaft of the motor 13 drives the lead screw 14 to rotate, and the slider 15 drives the ejector rod 11 to move upward, so that the ejector plate 10 pushes out the molded part in the lower mold cavity 3, thereby completing the ejection of the workpiece.

[0034] A connecting rod 17 is fixedly connected to the slider 15. The top end of the connecting rod 17 is fixedly connected to the piston 18. When the slider 15 rises to complete the material ejection, the piston 18 on the connecting rod 17 is inserted into the inside of the extrusion cylinder 16. The heat transfer oil in the extrusion cylinder 16 is transported to the inside of the storage ring 20 through the conveying pipe 19 and dripped onto the inner wall of the guide hole 8 through the spray hole 21, thereby cooling the inner wall of the guide hole 8.

[0035] It should be noted that in this document, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "fixed," "installed," "connected," and "linked" should be interpreted broadly. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "linked" can be a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant and deformation-resistant mold, characterized in that, include: A workbench (1) is fixedly connected to a lower mold box (2), and the lower mold box (2) is provided with a lower mold cavity (3) and a guide hole (8); A hydraulic cylinder (4) is fixedly connected to a connecting plate (5) at its telescopic end. A stamping block (6) and a guide column (7) are fixedly connected to the connecting plate (5). An oil tank (12) is fixedly connected to the bottom surface of the workbench (1), and the oil tank (12) is filled with heat-conducting oil; The ejector structure is located at the connection between the worktable (1) and the lower mold box (2) and is used to eject the molded parts inside the lower mold box (2); Storage ring (20) is embedded in guide hole (8). Spray hole (21) is opened on storage ring (20). Delivery pipe (19) is fixedly connected to storage ring (20). Extrusion cylinder (16) is fixedly connected to workbench (1). The bottom end of extrusion cylinder (16) is located in oil tank (12). The bottom end of extrusion cylinder (16) is open. Piston (18) is provided below extrusion cylinder (16). The lifting assembly is used to synchronously lift and move the top material structure and the piston (18).

2. The wear-resistant and deformation-resistant mold according to claim 1, characterized in that: The top material structure includes a storage groove (9) opened in the lower mold cavity (3), a top plate (10) is placed in the storage groove (9), and a top rod (11) is fixedly connected to the bottom surface of the top plate (10). The bottom end of the top rod (11) passes through the lower mold box (2), the worktable (1) and extends into the oil tank (12) in sequence.

3. The wear-resistant and deformation-resistant mold according to claim 2, characterized in that: The lifting assembly includes a motor (13) installed on the bottom surface of the oil tank (12), the output shaft of the motor (13) is fixedly connected to a lead screw (14), a slider (15) is threadedly connected to the lead screw (14), and the bottom end of the top rod (11) is fixedly connected to the slider (15).

4. The wear-resistant and deformation-resistant mold according to claim 3, characterized in that: A connecting rod (17) is fixedly connected to the slider (15), and the top end of the connecting rod (17) is fixedly connected to the piston (18).

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