Direct-pressure high-speed die locking mechanism
A mold-locking, high-speed technology, applied in the field of plastic machines or press equipment, can solve the problems of slow mold-locking mechanism and no energy saving, and achieve the effect of fast speed
Active Publication Date: 2017-10-13
温州剑红塑机设备有限公司
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Problems solved by technology
[0005]
In order to overcome the deficiencies of the background technology, the present invention provides a direct pressure high-speed mold clamping mechanism, which solves the problems of slow speed and low energy saving of the existing mold clamping mechanism
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Embodiment Construction
[0018] Embodiments of the present invention will be further described below in conjunction with accompanying drawings:
[0019] As shown in the figure, a direct pressure high-speed mold clamping mechanism includes a rear support base 1, several guide rods 2, a movable template 3, a first cylinder assembly, a second cylinder assembly, an electromagnetic reversing valve 13, and a reversing valve 14, The movable formwork 3 is connected with the rear support base 1 through the guide rod 2, and can slide relative to each other along the guide rod 2.
[0020] As shown in the figure, the first oil cylinder assembly includes a first cylinder body 4, a first piston rod 5, and a connecting pipe 6. The first cylinder body 4 is fixed on the rear support base 1, and the first piston rod 5 One end is connected to the movable template 3, and the other end extends into the first cylinder 4. The first piston rod 5 is arranged in the first cylinder 4. The outer ring of one end is provided with ...
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The invention discloses a direct-pressure high-speed die locking mechanism which is characterized in that an inner ring of a communicating pipe and a center groove form a first die moving oil cavity; a first piston and a front end part of the a first cylinder body form a second die moving oil cavity; the first piston, a rear end part of the first cylinder body and an outer ring of the communicating pipe form a first die locking oil cavity; a second piston and a front end part of a second cylinder body form a second die locking oil cavity; the first die moving oil cavity is connected with a first working oil port of an electromagnetic directional valve by a pipeline; the second die moving oil cavity is connected with a second working oil port of the electromagnetic directional valve by a pipeline; the first die locking oil cavity communicates with the second die locking oil cavity by a pipeline; and a one-way valve allowing the second die locking oil cavity to freely communicate to the first die locking oil cavity is also provided. The direct-pressure high-speed die locking mechanism has the advantages that the first die locking oil cavity and the second die locking oil cavity realize internal circulation, an additional oil tank and an additional oil pump are not needed to be connected, so that the direct-pressure high-speed die locking mechanism is not only high in speed, but also more energy-saving and environment-friendly.
Description
technical field [0001] The invention relates to a molding machine or press equipment, in particular to a direct-pressure high-speed mold clamping mechanism. Background technique [0002] Both the plastic machine and the press are a kind of molding equipment that makes the product integrally formed by pressure. [0003] Usually, both the plastic machine and the press are equipped with a clamping mechanism, whose function is to ensure that the mold is closed, opened and the product is ejected. Cavity pressure to prevent the mold from opening and causing defective products. [0004] The existing clamping mechanism usually includes a clamping cylinder and a mold-moving cylinder, and the clamping cylinder and the mold-moving cylinder are independent of each other. For example, a Chinese invention patent application discloses a synchronous control hydraulic circuit for an injection molding machine clamping cylinder and a mold-moving cylinder ( CN104476741), the mold locking cyli...
Claims
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IPC IPC(8): B29C45/67
CPCB29C45/67
Inventor 周建红
Owner 温州剑红塑机设备有限公司