Clamping screws for pipe molds for producing pipe piles
A technology for producing tubes and pipe molds, applied in the direction of molds, etc., can solve problems such as the need to improve the mold clamping strength of the mold clamping screw, loose connection between the screw and the nut, and free travel, so as to achieve fast screwing speed, increase mold clamping speed, The effect of low frictional resistance
Active Publication Date: 2017-09-29
浙江兆弟桩业有限公司
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Problems solved by technology
However, the spring seat and nut of this scheme are not fixedly connected to the pipe mold. If there is vibration during mold closing, the spring seat is easy to loosen, resulting in loose connection between the screw rod and the nut, resulting in a free stroke, thereby causing leakage of the pipe mold. The clamping strength of the screw still needs to be improved
Method used
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0024] Such as figure 1 As shown, a mold clamping screw for pipe molds for producing pipe piles, including an upper holder 1 for fixing with an upper mold and a lower holder 2 for fixing with a lower mold, the upper holder 1 and the lower A plurality of screws 3 are respectively arranged on the fixing base 2, and a spring 4 is sleeved on the upper fixing base 1, and the bolts 5 pass through the spring 4 and the upper fixing base 1 successively and are screwed and fixed with the lower fixing base 2.
[0025] A guide sleeve 6 is inserted at the end of the spring 4 away from the upper fixing seat 1 , and the end of the spring 4 abuts against the guide end surface 7 of the guide sleeve 6 . The bolt 5 includes a bolt head 51 and a bolt body 52. The joint between the guide sleeve 6 and the bolt head 51 is provided with a frictional drag ...
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The invention belongs to the technical field of buildings, relates to the die closing fastener of a pipe die for producing a pipe pile, and aims at solving the technical problem of low bonding strength in the prior art. The die closing fastener comprises an upper fixing seat fixed with an upper die, and a lower fixing seat fixed with a lower die, wherein a plurality of screws are correspondingly arranged on the upper fixing seat and the lower fixing seat; the upper fixing seat is sleeved with a spring; a bolt sequentially passes through the spring and the upper fixing seat to be fixedly screwed to the lower fixing seat. The die closing fastener has the advantages of being high in bonding strength, improving the die closing strength of the pipe die, being small in frictional resistance during die closing, and fast to screw.
Description
technical field [0001] The invention belongs to the technical field of construction and relates to a mold clamping screw for producing pipe molds for pipe piles. Background technique [0002] The pipe pile manufacturing industry belongs to the manufacturing type of heavy industrial production. In the production process of pipe piles, the use of pipe molds plays a pivotal role, and the pipe mold clamping screw is the most critical part of the pipe mold, which plays an important role in the quality of pipe piles. It has a considerable effect. When the pipe mold lacks the clamping screw or the clamping screw is not tightened, it will cause defects such as leakage of the pipe pile. Therefore, in the pipe pile industry, further research is being done on the pipe pile clamping screw . [0003] Chinese patent literature discloses a T-shaped mold clamping screw [application number: 201020296888.5] consisting of a screw rod, a spring seat, a spring, and a nut. A spring is sandwiched...
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IPC IPC(8): B28B21/82
CPCB28B21/82
Inventor 金唤中周兆弟
Owner 浙江兆弟桩业有限公司