Size-adjustable precision combination quenching die
An adjustable and precise technology, applied in quenching devices, manufacturing tools, heat treatment equipment, etc., can solve the problems of prolonged production cycle, easy occurrence of concave centers in high middle parts, difficult disassembly of molds, etc., so as to reduce production costs and reduce occupied space. , The effect of uniform expansion and contraction range
Pending Publication Date: 2018-05-01
LUOYANG HUIGONG BEARING TECH
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Problems solved by technology
With the user's requirement for the extension of the service life of the bearing (same life as the international brand), we have conducted in-depth and detailed research and found that this kind of tooling will have the following shortcomings during the use of the mold: 1. Because the mold only controls the two ends of the workpiece, the workpiece When the height dimension is high, it is easy to have a concave center in the high middle part (the size of the non-contact part of the mold is reduced)
2. The shrinkage of the workpiece after quenching causes the excessive interference between the mold and the workpiece, which makes it difficult to disassemble the mold, and sometimes the mold is removed from the workpiece by mechanical means, and the mold must be turned by forced machining. Removal causes scrapping (high cost, extended production cycle), making it difficult for production planning to proceed smoothly
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[0020] Example: see Figure 1-Figure 4 , in the figure, 01-base, 02-outer movable cone, 03-extension spring, 04-inner cone, 05-locking oblique iron, 06-locking rod (suspension rod), 07-axial adjustment device, 08-workpiece, 09-overall lower mold, 10-overall touch.
[0021] The size-adjustable precision combination quenching die has the following interaction mechanism of its parts:
[0022] 1. Divide the outer movable cone 02 into n1 pieces, and when it is pushed forward with the inner cone 04, it will dock with the real size without interruption, that is, the outer diameter of the outer movable cone 02 can be determined according to the desired size.
[0023] 2. The axial adjustment device 07 is designed on the locking rod 06 (suspension rod) to ensure that the inner cone 04 is determined according to the desired size, and converted into the distance from the axial adjustment device 07 to the base 01.
[0024] 3. The bottom surface of the locking oblique iron 05 is in contac...
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The invention discloses a size-adjustable precision combination quenching die. The size-adjustable precision combination quenching die comprises a base, an inner cone and outer movable cone. A lockingrod is arranged at the center of the base, a hanging mechanism is arranged at the top end of the locking rod, a radial through hole is formed in the upper portion of the locking rod, locking taperediron is arranged in the radial through hole, an axial adjusting device is arranged at the lower portion of the locking rod, and the inner cone is arranged between the axial adjusting device and the locking tapered iron. The inner cone and the outer movable cone are sleeved together, the outer movable cone is of a split structure and is composed of at least two cone blocks, and all the cone blocksare fastened on the inner cone through tension springs. The size-adjustable precision combination quenching die is suitable for the application field of quenching of high precision large-sized workpieces, has been widely used and popularized in extra large-sized bearing heat treatment branch plants, is widely praised by users, and is extremely high in applicability and easy to implement and popularize.
Description
Technical field: [0001] The invention relates to a heat treatment quenching die, in particular to an adjustable size precision combined quenching die. Background technique: [0002] At present, in the scope of machinery manufacturing and processing industry, in order to improve production efficiency and achieve the goal of reducing production costs, the roll series bearings required for all large-scale metallurgical rolling equipment use four-row cylindrical roller bearings and four-row tapered roller bearings (commonly known as rolling mill Bearings) to meet the specific conditions of shock resistance and heavy loads. The manufacturing accuracy and service life of rolling mill bearings will directly affect the production efficiency and benefits of large-scale pressure processing equipment, so high-quality carburized steel has been selected as the main material for rolling mill bearings. In order to stabilize the quality of rolling mill bearings, it is necessary to obtain a...
Claims
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Login to View More IPC IPC(8): C21D1/673
CPCC21D1/673
Inventor 何延强李兆兴李俊强何召集
Owner LUOYANG HUIGONG BEARING TECH