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Novel load-carrying gripping device

A clamping device, a new type of technology, applied in the field of mechanical clamping devices, can solve the problems of low positioning accuracy of the clamping device, high precision requirements for moving templates and tie rods, etc.

Inactive Publication Date: 2009-11-04
SHANXI FENXI HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a new type of heavy-duty clamping device, which overcomes the technical problem of low positioning accuracy of the clamping device in the prior art; the clamping mechanism requires high guiding precision of the movable template and the pull rod

Method used

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  • Novel load-carrying gripping device
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  • Novel load-carrying gripping device

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Experimental program
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specific Embodiment approach

[0013] The device is made up of the following parts: the second positioning rod 11, the positioning rod 9, the balance spring 14, and the pressing plate 15 for positioning and fixing the positioning rod to support the split nut, the semicircular nut 1 and the second semicircular nut for opening and closing Shaped nut 2 is a two-lobed split type, and the split nut is driven by a pair of miniature oil cylinders 26 to realize opening and closing. The guide rod 8 is positioned, and the non-lubricated bearing is housed in the split nut 6, which can also be lubricated to prevent the phenomenon of stagnation in long-term use. Even if it is worn out, it is easy to open the gland for replacement to ensure the guiding accuracy. The axial positioning accuracy and repeatability of the clamping nut are guaranteed by the baffle plate 16 and the balance spring 14 to ensure smooth opening and closing.

[0014] The clamping device is installed in front of the fixed template of the injection ma...

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PUM

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Abstract

The invention discloses a novel heavy-duty clamping device, which belongs to a mechanical clamping device, and solves the technical problems that the clamping device in the prior art has low positioning accuracy; . Including a fixed template (25), a positioning device and a clamping device, the circular pressing plate (15) fixedly connects the positioning rod with the template (25), and the second positioning rod (11) and the other end of the positioning rod (9) are fixedly provided with a baffle plate (16), the piston rod (4) of the oil cylinder device (26) passes through the hole (27) in the upper part of the semicircular nut (1), and the head of the piston rod (4) is fixedly connected to the upper part of the semicircular nut (1). Together, after the cylinder body (5) of the micro cylinder (26) passes through the hole (3) in the second positioning rod (11) and the hole (30) in the second semicircular nut (2), the cylinder body ( 5) is fixed on the upper part of the second semicircular nut (2), and the semicircular nut can realize the clamping and loosening of the pull rod (17) along the guide rod. Used in the clamping mechanism of the two-platen injection molding machine.

Description

Technical field: [0001] The invention relates to a mechanical clamping device, in particular to a clamping device on a two-platen injection molding machine. Background technique [0002] At present, high precision, high efficiency, and low energy consumption are the development trends of injection molding machines. The two-platen injection molding machine has a compact structure, reduces the floor space, and greatly shortens the closed curve formed by the movable and fixed platen and tie rods, and the system has good rigidity. The template is evenly stressed, the deformation is small, and the clamping force can be controlled at will, which prolongs the service life of the mold. The difficulty of equipment maintenance is reduced, and the service life is long, which can facilitate the implementation of the new process of secondary clamping and reverse pressure forming, greatly improving product quality. The two-platen machine is an excellent new model with the most market co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C33/20B29C45/64
Inventor 段长生乐东生樊志红张静周锋
Owner SHANXI FENXI HEAVY IND