Sealing cover plate and transmission belt vulcanization device with same
A transmission belt and cover plate technology, which is applied to belts, other household appliances, household appliances, etc., can solve the problems of deterioration of transmission belt quality and poor sealing effect, and achieve the effect of improving the vulcanization effect, improving the sealing effect, and avoiding the entry of steam
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Embodiment 1
[0050] combine figure 1 , figure 2 , image 3 with Figure 4 , a cover plate used to seal the vulcanization device of the present invention, the cover plate is provided with a gas passage 102, the air inlet 101 of the gas passage 102 is arranged on the circumferential side of the cover plate; the exhaust hole 103 of the gas passage 102 is arranged on In the middle of the cover plate, the air inlet 101 communicates with the exhaust hole 103 through the gas channel 102 , and the exhaust hole 103 communicates with the mold interior 211 . One gas channel 102 may be set in the cover plate, and multiple gas channels 102 may also be set. The air intake hole 101 is disposed on the peripheral side surface 106 of the cover plate on the peripheral side.
[0051] The distance between the air intake hole 101 and the inner surface 107 of the cover plate is D 1 , then D 1 >0, the distance between the air inlet 101 and the outer surface 108 of the cover is D 2 , then D 2 >0 (eg Fig...
Embodiment 2
[0066] The basic content of this embodiment is the same as that of Embodiment 1, except that: the circumferential side of the cover plate is provided with an annular exhaust groove 105 (such as Figure 5-Figure 8 As shown), the exhaust groove 105 is arranged along the circumferential direction of the peripheral side, and the exhaust groove 105 communicates with the air inlet 101; the air inlet 101 is arranged in the exhaust groove 105, so that the air inlet 101 communicates with the exhaust groove 105 . At the same time, the distance between the exhaust groove 105 and the inner surface 107 of the cover plate is D 3 ,D 3 >0, the distance between the exhaust groove 105 and the outer surface 108 of the cover is D 4 ,D 4 >0 (eg Figure 8 shown). And the air inlet 101 is disposed at the center of the exhaust groove 105 .
[0067] In order to achieve a better effect and prevent the gas in the vulcanization tank from infiltrating from the joint between the cover plate and the t...
Embodiment 3
[0070] The basic content of this embodiment is the same as that of Embodiment 2, except that the inner diameter of the inner toothed section 222 is smaller than the inner diameter of the inner smooth section 223, so that the inner toothed section 222 protrudes inwardly relative to the inner smooth section 223, and A transition connection surface 224 is formed between the top of the inner toothed section 222 and the inner smooth section 223, and the transition connection surface 224 is also a smooth plane. When the cover plate is installed on the inner smooth section 223 of the toothed rubber sleeve 220, the cover plate The peripheral side 106 of the cover plate is matched with the inner smooth section 223, so as to realize the sealing between the peripheral side 106 of the cover plate and the inner smooth section 223, and the transition connection surface 224 cooperates with the edge part of the inner surface 107 of the cover plate to realize the The edge of 107 is sealed with ...
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