Hot forging gear punch for large forging press
By designing punches that can be replaced and repaired separately, the serious wear of existing forging press punches is solved, which extends the equipment life, reduces production costs and wear, and improves production efficiency.
Patent Information
- Application Number
- CN202420643843.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-03-29
AI Technical Summary
Due to the long-term pressing contact with steel, the punches of existing forging presses have severe wear and high maintenance frequency, resulting in shortening of equipment life and increasing production efficiency and cost.
A large forging gear punch is designed, and the punch includes an impact body and an edge body. The edge body can be manufactured and replaced separately. The material can be made of high-temperature alloy steel. The impact body and the edge body are screwed to facilitate maintenance and replacement.
By setting up the punch separately, it is easy to install and repair, which improves the maintenance efficiency and life of the equipment, reduces production costs and equipment wear, and improves production efficiency.
Smart Images
Figure CN222695927U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a tooling improvement of forging equipment, in particular to a hot forging gear punch of a large forging machine. Background Art
[0002] A forging press is a processing equipment used to forge metal products. It deforms the metal through downward pressure to achieve the desired shape. The forging press itself only has downward pressure. If it needs to be processed into certain shapes, it needs to be achieved through tooling. The production of gears requires the round steel billet to be processed into a circular ring first, and then the inner ring and outer gear ring are gradually processed. Therefore, the punch is the main processing structure, which is mainly used to form a circular hole in the middle of the round steel billet and process the most basic ring structure. The punch is the first structure to be pressurized and contact the steel, so it wears the most and requires maintenance the most frequently. Therefore, structural improvements are needed. Utility Model Content
[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and to provide a hot forging gear punch for a large forging press.
[0004] The technical solution adopted by the utility model to solve the above problems is: the gear rough forging tooling includes a shaping upper die, a shaping lower die and a punch, the shaping upper die and the punch are fixed on the punching structure of the forging machine, the shaping lower die is fixed on the processing table of the forging machine, the shaping upper die and the shaping lower die are mutually matched to form a circular cake-shaped cavity, the punch is located in the middle of the shaping upper die and protrudes downward in the circular cake-shaped cavity, the middle of the shaping lower die also protrudes upward to form a guide column, and the guide column and the punch are relatively arranged. The tooling is used for rough forging in the hot forging gear process, mainly pressing the cylindrical blank into a circular cake or even a circular ring, the shaping upper die and the shaping lower die are mainly the entity parts of the forming circular ring, the punch is used to form the circular hole in the middle, the upper die and the lower die are matched to form a forming space, the overall structure has high extrusion efficiency for the blank, and the punch is set separately, which is convenient for replacement and maintenance, and prolongs the life of the overall structure.
[0005] Furthermore, the punch includes an impact body and a cutting edge body. The impact body is a columnar structure with an outer diameter gradually decreasing downwards. A cutting edge body is fixed at the bottom of the impact body. The cutting edge body has a hard bottom surface and bottom edge and directly impacts the steel blank. The punch adopts a setting mode in which the main body and the processing contact part are separated. The cutting edge body can be manufactured and processed separately and replaced. The material can be made harder, the processing efficiency is improved, and maintenance is convenient.
[0006] Furthermore, a screw hole is opened at the bottom of the impact body, the blade body has a stud, the blade body is screwed and fixed in the impact body, and the blade body is made of high-temperature alloy steel. The blade body is installed by screwing, which is convenient for maintenance and replacement, and is convenient for processing and production, reducing costs.
[0007] Furthermore, a push rod hole is provided in the shaping lower die, and an ejector rod is provided in the push rod hole, and the ejector rod ejects the steel blank upward from the bottom of the workbench. The lower die has an ejector rod that can be ejected, and the ejection of the ejector rod can facilitate turning over the steel blank, facilitate face-changing processing, and improve production efficiency.
[0008] Compared with the prior art, the utility model has the following advantages and effects: the design is an improvement on the tooling structure for forging and producing gears, with a separate arrangement for the punch part to facilitate installation and maintenance, and the main processing parts are improved in a detachable manner, so that maintenance and replacement can be carried out without removing the tooling, thereby improving production efficiency, reducing equipment structure wear, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a schematic diagram of the overall structure of the tooling.
[0010] Figure 2 It is a schematic diagram of the split structure of the punch.
[0011] In the figure: 1. shaping upper die, 2. shaping lower die, 3. punch, 4. round cake-shaped cavity, 5. guide column, 6. impact body, 7. cutting edge body, 8. screw hole, 9. stud, 10. ejector rod hole. DETAILED DESCRIPTION
[0012] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.
[0013] A hot forging gear punch for a large forging machine, wherein the gear rough forging tooling comprises a shaping upper die 1, a shaping lower die 2 and a punch 3, wherein the shaping upper die 1 and the punch 3 are fixed on the punching structure of the forging machine, and the shaping lower die 2 is fixed on the processing table of the forging machine, wherein the shaping upper die 1 and the shaping lower die 2 are aligned with each other to form a circular pancake-shaped cavity 4, wherein the punch 3 is located in the middle of the shaping upper die 1 and protrudes downward from the circular pancake-shaped cavity 4, and the middle of the shaping lower die 2 is also protruded upward to form a guide column 5, and the guide column 5 and the punch 3 are arranged relative to each other.
[0014] The punch 3 includes an impact body 6 and a cutting edge body 7. The impact body 6 is a columnar structure and its outer diameter gradually decreases downward. The cutting edge body 7 is fixed at the bottom of the impact body 6. The cutting edge body 7 has a hard bottom surface and bottom edge and directly impacts the steel blank.
[0015] The bottom of the impact body 6 is provided with a screw hole 8, the cutting edge body 7 has a stud 9, the cutting edge body 7 is screwed and fixed in the impact body 6, and the cutting edge body 7 is made of high-temperature alloy steel as a whole.
[0016] The shaping lower die 2 is provided with an ejector hole 10, in which an ejector rod is provided, and the ejector rod ejects the steel blank upward from the bottom of the workbench.
[0017] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary rather than restrictive. The scope of the present invention is defined by the claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim involved.
[0018] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A hot forging gear punch for a large forging press, characterized in that: The gear rough forging tool comprises a shaping upper die (1), a shaping lower die (2) and a punch (3). The shaping upper die (1) and the punch (3) are fixed on the punching structure of a forging machine, and the shaping lower die (2) is fixed on the processing table of the forging machine. The shaping upper die (1) and the shaping lower die (2) are mutually aligned to form a circular pancake-shaped cavity (4). The punch (3) is located in the middle of the shaping upper die (1) and protrudes downward from the circular pancake-shaped cavity (4). The middle of the shaping lower die (2) is also protruded upward to form a guide column (5), and the guide column (5) and the punch (3) are arranged relative to each other.
2. The hot forging gear punch for a large forging press according to claim 1, characterized in that: The punch (3) comprises an impact body (6) and a cutting edge body (7). The impact body (6) is a columnar structure and its outer diameter gradually decreases downward. The cutting edge body (7) is fixed at the bottom of the impact body (6). The cutting edge body (7) has a hard bottom surface and bottom edge and directly impacts the steel blank.
3. The hot forging gear punch for a large forging press according to claim 2, characterized in that: The bottom of the impact body (6) is provided with a screw hole (8), the cutting edge body (7) has a stud (9), the cutting edge body (7) is screwed and fixed in the impact body (6), and the cutting edge body (7) is made of high-temperature alloy steel as a whole.
4. The hot forging gear punch for a large forging press according to claim 1, characterized in that: The shaping lower die (2) is provided with an ejector hole (10), and an ejector rod is provided in the ejector hole (10). The ejector rod ejects the steel blank upward from the bottom of the workbench.