Hard alloy pressing die

Abstract

The utility model discloses a hard alloy pressing die which comprises a movable frame and a fixed frame, the fixed frame is arranged below the movable frame and provided with a bottom die, a pressing die is installed at the bottom of the movable frame, the top of the movable frame is connected with the telescopic end of a hydraulic machine, and a sliding groove penetrating through the movable frame vertically is formed in the movable frame. A buffer rod is slidably arranged in the sliding groove, a rubber pad is arranged at the bottom of the buffer rod, a sliding ring is fixedly connected to the outer side of the buffer rod, the sliding ring is slidably connected with the sliding groove, the buffer rod is sleeved with a spring, one end of the spring is connected with the sliding ring, and the other end of the spring is connected with the inner wall of the sliding groove. The movable plate is pushed to move upwards, materials extruded and formed in the bottom die 3 are pushed out, the materials are conveniently taken out, and a buffer rod is arranged, so that the movable frame is prevented from directly colliding with the fixed frame in the downward displacement process.

Description

Technical Field

[0001] The utility model relates to the technical field of pressing dies, in particular to a hard alloy pressing die. Background Art

[0002] A cemented carbide pressing die is a die made of cemented carbide grade materials. These materials usually have high hardness, high strength, good corrosion resistance and high temperature resistance. Cemented carbide molds are widely used in powder metallurgy, battery manufacturing, ceramic production and other fields to press various powder materials into shape. In order to facilitate the removal of the pressed material from the mold, the utility model proposes a cemented carbide pressing die. Summary of the Invention

[0003] The purpose of the present invention is to provide a cemented carbide pressing die to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a carbide pressing mold, comprising a movable frame and a fixed frame, the fixed frame is arranged below the movable frame and is equipped with a bottom mold, a pressing mold is installed at the bottom of the movable frame, the top of the movable frame is connected to the telescopic end of the hydraulic press, the movable frame is provided with a slide groove running through the upper and lower parts of the movable frame, a buffer rod is slidingly arranged in the slide groove, a rubber pad is provided at the bottom of the buffer rod, a sliding ring is fixedly connected to the outside of the buffer rod, the sliding ring is slidably connected to the slide groove, a spring is sleeved on the buffer rod, one end of the spring is connected to the sliding ring, and the other end is connected to the inner wall of the slide groove, wherein the pressing mold and the bottom mold are made of carbide material.

[0005] Preferably, a mounting groove for placing the bottom mold is provided at the top of the fixing frame, and a bottom groove for accommodating the push plate is provided at the bottom of the mounting groove. A push rod is provided at the bottom of the push plate, and the push rod passes through the fixing frame and is slidably connected to the fixing piece.

[0006] Preferably, a sliding plate is slidably provided in the bottom mold, a slot for a push plate to pass through is provided at the bottom of the bottom mold, bolts are screwed to the sides of the bottom mold, and a screw hole that can be screwed to the bolts is provided at the top of the fixing frame.

[0007] Preferably, the bottom of the die is provided with an extrusion portion, the top is provided with a mounting post, the movable frame is provided with a hole for the mounting post to pass through, and the outer side of the mounting post is provided with a thread and is screwed with a nut.

[0008] Preferably, a telescopic machine is provided below the fixing frame.

[0009] Compared with the prior art, the beneficial effects of the present invention are: by setting a push plate, a push rod, and a telescopic machine, the movable plate is pushed upward to push out the extruded material in the bottom mold 3, making it convenient to remove it; by setting a buffer rod, the movable frame is prevented from directly colliding with the fixed frame during the downward displacement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a cross-sectional view of the movable frame and the fixed frame of the utility model;

[0011] Figure 2 This is a schematic diagram of the utility model in which the movable plate is lifted up.

[0012] In the figure: 1 movable frame, 11 buffer rod, 12 sliding ring, 13 spring, 14 slide groove, 15 hydraulic press, 2 fixed frame, 21 push plate, 22 push rod, 23 telescopic machine, 24 bolt, 3 bottom mold, 31 slot, 32 movable plate, 4 pressure mold, 41 mounting column. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0014] Referring to Figure (1-2), a cemented carbide pressing mold includes a movable frame 1 and a fixed frame 2, the fixed frame 2 is arranged below the movable frame 1 and is equipped with a bottom mold 3, the bottom of the movable frame 1 is equipped with a pressing mold 4, the top of the movable frame 1 is connected to the telescopic end of the hydraulic press 15, the movable frame 1 is provided with a slide groove 14 running through the upper and lower parts of the movable frame 1, a buffer rod 11 is slidingly arranged in the slide groove 14, a rubber pad is provided at the bottom of the buffer rod, a sliding ring 12 is fixedly connected to the outside of the buffer rod 11, the sliding ring 12 is slidably connected to the slide groove 14, a spring 13 is sleeved on the buffer rod 11, one end of the spring 13 is connected to the sliding ring 12, and the other end is connected to the inner wall of the slide groove 14.

[0015] The top of the fixed frame 2 is provided with a mounting groove for placing the bottom mold 3, and the bottom of the mounting groove is provided with a bottom groove for accommodating the push plate 21. The bottom of the push plate 21 is provided with a push rod 22, which passes through the fixed frame 2 and is slidably connected to the fixed part 2. A sliding plate 32 is slidably provided in the bottom mold 3. The bottom of the bottom mold 3 is provided with a slot 31 for the push plate 21 to pass through. The side of the bottom mold 3 is screwed with a bolt 24, and the top of the fixed frame 2 is provided with a screw hole that can be screwed with the bolt 24. The bottom of the pressing mold 4 is provided with an extrusion part and the top is provided with a mounting column 41. The movable frame 1 is provided with a hole for the mounting column 41 to pass through. The outer side of the mounting column 41 is provided with a thread and a nut is screwed. A telescopic machine 23 is provided below the fixed frame 2.

[0016] When the device is in use, the bottom die 3 is placed on the top of the fixed frame 2, and the fixed frame 2 and the bottom die 3 are fixedly connected by tightening the bolts 24, the mounting column 41 on the top of the die 4 is inserted into the hole on the movable frame 1, and the nut is tightened to fix the die 4 to the movable frame 1, and then the material is poured into the bottom die 3, and the hydraulic press 15 is started to drive the mobile machine 1 and the die 4 to move downward to extrude and form the material in the bottom die 3, and then the telescopic machine is controlled to extend to push the push rod 22 and the push plate 21 to move up and down, and the push plate 21 passes through the slot 31 to lift the movable plate 32, and lift the material pressed and formed on the movable plate 32 to facilitate the removal of the material; during the downward displacement of the movable frame 1, the bottom of the buffer rod 11 first contacts the top of the fixed frame 2, and during the downward movement of the movable frame 1, the spring 23 is squeezed to prevent the movable frame 1 from direct contact and collision with the fixed frame 2.

[0017] The orientations or positional relationships shown in the drawings are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they should not be understood as limiting the present invention.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0019] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cemented carbide pressing die, comprising a movable frame (1) and a fixed frame (2), characterized in that: The fixed frame (2) is arranged below the mobile frame (1) and is provided with a bottom die (3). The bottom of the mobile frame (1) is provided with a pressing die (4). The top of the mobile frame (1) is connected to the telescopic end of the hydraulic press (15). The mobile frame (1) is provided with a slide groove (14) which runs through the upper and lower parts of the mobile frame (1). A buffer rod (11) is slidably provided in the slide groove (14). A rubber pad is provided at the bottom of the buffer rod (11). A sliding ring (12) is fixedly connected to the outside of the buffer rod (11). The sliding ring (12) is slidably connected to the slide groove (14). A spring (13) is sleeved on the buffer rod (11). One end of the spring (13) is connected to the sliding ring (12) and the other end is connected to the inner wall of the slide groove (14).

2. The cemented carbide pressing die according to claim 1, characterized in that: The top of the fixing frame (2) is provided with a mounting groove for placing the bottom mold (3), and the bottom of the mounting groove is provided with a bottom groove for accommodating the push plate (21). The bottom of the push plate (21) is provided with a push rod (22), and the push rod (22) passes through the fixing frame (2) and is slidably connected to the fixing frame (2).

3. The cemented carbide pressing die according to claim 1, characterized in that: A sliding plate (32) is slidably provided in the bottom mold (3), a slot (31) for the push plate (21) to pass through is provided at the bottom of the bottom mold (3), a bolt (24) is screwed to the side of the bottom mold (3), and a screw hole that can be screwed to the bolt (24) is provided at the top of the fixing frame (2).

4. The cemented carbide pressing die according to claim 1, wherein: The bottom of the die (4) is provided with an extrusion portion, and the top is provided with a mounting post (41). The movable frame (1) is provided with a hole for the mounting post (41) to pass through. The outer side of the mounting post (41) is provided with a thread and is screwed with a nut.

5. The cemented carbide pressing die according to claim 1, characterized in that: A telescopic machine (23) is provided below the fixed frame (2).

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