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Nonlinear gradient entrance tongue board
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A nonlinear and tongue technology, applied in the field of nonlinear gradient long inlet tongue plate, can solve the problems of difficult replacement and low service life, and achieve the effect of reasonable force distribution and improved service life.
Active Publication Date: 2013-06-12
DUNHUA YALIAN MACHINEY
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[0005] Aiming at the above shortcomings of the existing entrance tongue plate, the present invention provides a non-linear gradient entrance tongue plate, which adopts a stepped structure and lengthens the length of the entrance tongue plate. The main function is to avoid the entrance tongue in the existing structure The complex stress state on the lower surface of the tongue plate reduces the bending stress and compressive stress on the tongue plate, improves its service life, and solves the problems of low service life and difficult replacement of the hot-pressed plate in the high-pressure area adjacent to the tongue plate
Method used
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Embodiment 1
[0045] Such as Figure 4 As shown, rounded transitions are used between different regions:
[0046] A area length L A Range: 800-1200mm, L is preferred in this case A =1000mm, thickness H A Range: 45-55mm, H is preferred in this case A =50mm. The channel spacing of the heating carrier is 50-80mm, preferably 70mm in this example, and the diameter is 25-30mm, preferably 28mm in this example.
[0047] B area length L B Range: 2000-3000mm, L is preferred in this case B =2500mm, thickness H B Range: 50-70mm, H is preferred in this case B =60mm. The channel spacing of the heating carrier is 50-80mm, preferably 70mm in this example, and the diameter is 25-30mm, preferably 28mm in this example. The hydraulic cylinders are arranged at a spacing of 400-450mm, preferably 420mm in this example.
[0048] C area length L C Range: 2000-4000mm, L is preferred in this case C =2200mm, thickness H C Range: 60-100mm, H is preferred in this case C =75mm. The channel spacing of the ...
Embodiment 2
[0052] Such as Figure 5 As shown, the transition between regions of different thicknesses adopts a thickness gradient:
[0053] A area length L A Range: 800-1200mm, L is preferred in this case A =1000mm, thickness H A Range: 45-55mm, H is preferred in this case A =50mm. The channel spacing of the heating carrier is 50-80mm, preferably 70mm in this example, and the diameter is 25-30mm, preferably 28mm in this example.
[0054] B area length L B Range: 2000-3000mm, L is preferred in this case B =2500mm, thickness H B Range: 50-70mm, H is preferred in this case B =60mm. The channel spacing of the heating carrier is 50-80mm, preferably 70mm in this example, and the diameter is 25-30mm, preferably 28mm in this example. The hydraulic cylinders are arranged at a spacing of 400-450mm, preferably 420mm in this example.
[0055] C area length L C Range: 2000-4000mm, L is preferred in this case C =2200mm, thickness H C Range: 60-100mm, H is preferred in this case C =75mm....
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Abstract
The invention provides a nonlinear gradient entrance tongue board which is divided into an area A, an area B and an area C, wherein the area A is an exhaust area used for gradually exhausting air in a slab in a range from an entrance to the front of a pressurizing hydraulic cylinder, the deformation amount of the area A is adjusted by adjusting the size of a force according to the thickness of the slab, and the slab is smoothly led into a pressing machine; the area B is a transitional pressurizing area which can pressurize and compress the slab at a compression speed required by the technique; and the area C is a fixed high-pressure area which covers all the high-pressure areas of the pressing machine and transfers pressure of the hydraulic cylinder to the slab through a rolling rod and steel belts. A stepped structure form is adopted and the length of the entrance tongue board is lengthened, thus achieving the main functions of avoiding a complex stress state of the lower surface of the entrance tongue board in the existing structure, reducing the bending stress and compressive stress born by the entrance tongue board, improving the service life of the entrance tongue board, and simultaneously solving the problems of short service life and difficult replacement of a hot-pressing board in the high-pressure area adjacent to the tongue board.
Description
technical field [0001] The invention discloses a non-linear gradient long-type entrance tongue plate, which is an improvement on the structure of the existing equal-thickness short-type entrance tongue plate, and belongs to the technical field of wood processing machinery. Background technique [0002] The entrance tongue plate involved in the present invention is installed in the entrance mechanism of the double-steel belt press. The tongue plate is bent and elastically deformed to form a certain opening at the entrance of the press, and the loose slab is introduced into the press. The pressure of the hydraulic cylinder It acts on the entrance tongue plate, and exerts pressure on the slab through the entrance tongue plate, roller rod and steel belt. [0003] The existing entrance tongue plate is made of metal material with the same thickness, and the thickness is generally 60-70mm. In order to introduce thicker slabs into the press when producing thick slabs, large elastic...
Claims
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Application Information
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