Intro-pipe punching device
A punching device and punching technology, applied in metal processing and other directions, can solve the problems of lack of good guarantee of product quality, time-consuming and labor-intensive, etc., and achieve the effects of simple structure, convenient access and removal, and easy removal.
Inactive Publication Date: 2012-07-11
XIAMEN SOLEX HIGH TECH IND CO LTD
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- Description
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Problems solved by technology
This pipe punching device is the same as other existing punching devices, all of which adopt the method of punching from the outside of the pipe to the inside. In the products made by this punching method, the burrs of the orifice are located in the pipe. However, at present , the process of removing burrs is all manual work, so it is not only time-consuming and laborious, but also the product quality is not guaranteed
Method used
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[0020] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
[0021] A pipe punching device, such as figure 1 and figure 2 As shown in , it includes an upper mold base 1 and a lower mold base 2, and the upper mold base 1 is driven by a cylinder or an oil cylinder.
[0022] The upper mold base 1 forms a right oblique wedge 11 and a left oblique wedge 12 downwards.
[0023] The lower mold base 2 includes a lower template 21 arranged on the bottom, a buffer backing plate 22 arranged on the top of the lower template 21, a slide 23 is fixedly arranged on the backing plate 22, and a slide 23 is provided at the rear of the slide 23. With the slider 6 sliding in the left and right direction, the right side of the slider 6 is provided with a right oblique wedge 11 , and the left side of the slider 6 is provided with a left oblique wedge 12 .
[0024] The slide 23 is provided with a through hole 20 for the pipe body to be...
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The invention provides an intro-pipe punching device which comprises an upper die holder and a lower die holder, wherein a through hole for a pipe to stretch into is arranged on the lower die holder, a punch is arranged in the through hole, the punch is fixedly connected with a core rod arranged behind the punch, and the rear end of the core rod is fixedly connected with a sliding block sliding left and right; a left inclined wedge and a right inclined wedge are formed downwards on the upper die holder, the left inclined wedge and the right inclined wedge control the sliding block to move to the left and the right for a distance of a punch stroke sequentially, a left female die hole and a right female die hole are arranged on the wall of the through hole of the lower die holder, and the left female die hole and the right female die hole are respectively arranged at the left side and the right side of the punch. The punching device adopts a punching manner from the inside to outside, and in products produced by adopting the punching manner, burrs of the hole are positioned at the outside of the pipe, thereby being convenient to remove.
Description
technical field [0001] The invention relates to a punching device, in particular to a punching device in a pipe. Background technique [0002] CN201317023Y discloses an existing pipe punching device. In this punching device, a mandrel equal to the inner diameter of the pipe is divided into two sections from the middle to the left and right. Each section of the mandrel has its own supporting part and is driven by a cylinder. The two mandrels are respectively inserted into the pipe from the left and right, and the contact end faces of the two mandrels are made into a concave, and the other is made into a convex, so that they are wedged and supported with each other. Pilot holes are drilled where punches are made to allow entry of the die. This pipe punching device is the same as other existing punching devices, all of which adopt the method of punching from the outside of the pipe to the inside. In the products made by this punching method, the burrs of the orifice are locate...
Claims
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IPC IPC(8): B26F1/02B21D28/28
Inventor 徐永祥兰桂荣李伟
Owner XIAMEN SOLEX HIGH TECH IND CO LTD