Die casting mold core pulling cooling device
A cooling device and die-casting mold technology, applied in the field of mold core-pulling structure, can solve the problems of poor cooling effect at the core-pulling position, inconvenient core-pulling operation, complex structure, etc., so as to avoid local overheating, good cooling effect, The effect of core pulling is easy to operate
Active Publication Date: 2017-10-27
NINGBO JUNLING MOLD TECH
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Problems solved by technology
[0004] The present invention overcomes the existing problems of complex structure, high cost, poor cooling effect on the core-pulling position, and inconvenient core-pulling operation of the existing die-casting cooling device, and provides a die-casting mold core-pulling cooling device, which has a simple structure , low cost, good cooling effect on the core-pulling position, easy core-pulling operation, saving mold design space
Method used
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Embodiment
[0020] Embodiment: A kind of die-casting mold core-pulling cooling device (see attached Figures 1 to 4 ), including a piston cylinder 1, a core 2, and a cooling pipe 3. There is a cooling cavity 4 arranged along the axis in the core, and the bottom of the cooling cavity is close to the front end of the core. Transition block 5, the cooling pipe is movably connected to the piston cylinder, the cooling pipe includes an inner pipe 6 and an outer pipe 7, a liquid return gap 8 is provided between the outer wall of the inner pipe and the inner wall of the outer pipe, the inner pipe extends out of the front end of the outer pipe, and the inner pipe extends The part of the front end of the outer pipe is arranged in the cooling chamber, the front end of the inner pipe is arranged close to the bottom of the cooling chamber, the front end of the outer pipe is provided with a connecting part 9, the open end of the core and the quick release transition block is closely connected with the c...
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The invention discloses a die-casting mold core-pulling cooling device, which aims to solve the problems of the existing die-casting cooling device, such as complex structure, high cost, poor cooling effect on the core-pulling position, and inconvenient core-pulling operation. The invention includes a piston cylinder, a mold core, and a cooling pipe. A cooling cavity arranged along the axis is arranged in the mold core. A quick-release transition block is connected between the telescopic rod of the piston cylinder and the mold core. The tube includes an inner tube and an outer tube. There is a liquid return gap between the outer wall of the inner tube and the inner wall of the outer tube. The inner tube protrudes from the front end of the outer tube, and the part of the inner tube protruding from the front end of the outer tube is set in the cooling chamber. The bottom end of the cavity is set, the front end of the outer tube is provided with a connecting part, the open end connecting the core and the quick release transition block is closely connected with the connecting part, the rear end of the cooling pipe is connected with a connecting head, and the connecting head is provided with an inlet connected to the inner pipe. The liquid joint and the liquid return joint connected with the liquid outlet gap.
Description
technical field [0001] The invention relates to a mold core-pulling structure, more specifically, it relates to a die-casting mold core-pulling cooling device. Background technique [0002] Die casting is a precision casting method that presses molten metal into the mold through high pressure. The surface of the die casting is smooth and the precision is high. In most cases, the die casting can be assembled and applied without turning, even if there are threaded parts Can be cast directly. During the die-casting process, the die-casting parts need to be cooled to ensure that the core-pulling process is not easy to stick to aluminum and to ensure the roughness of the product surface. However, the currently commonly used die-casting cooling device has a complex structure, high cost, poor cooling effect on the core-pulling position, and inconvenient core-pulling operation. [0003] Chinese patent announcement number CN203061835U discloses a die-casting cooling water system, i...
Claims
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IPC IPC(8): B22D17/22
Inventor 彭伦强姚贤君胡宁安
Owner NINGBO JUNLING MOLD TECH