A pulp slurry white water multi-disc conveying screw shaft head

Abstract

The utility model discloses a kind of pulping white water multi-disc conveying spiral shaft head, it is related to papermaking pulping technical field, including main shaft body and conveying spiral connecting end, the conveying spiral connecting end is fixedly connected in main shaft body end part;The connecting place of main shaft body and conveying spiral connecting end is equipped with flange, the flange is welded with stainless steel flange, main shaft body and stainless steel flange form integral structure, welding seam is formed between the flange and stainless steel flange inner side, four shaft head disassembly jackscrew thread holes that are circumferentially evenly distributed are equipped in the inside of stainless steel flange.The pulping white water multi-disc conveying spiral shaft head, the flange of the shaft head and the conveying spiral connection is changed into stainless steel flange and carbon steel shaft head firm welding into an integral whole, both reduce cost, and also guarantee the durability of easy rusting corrosion site, after amplification of disassembly jackscrew thread hole, the probability of screw rod breakage reduces, and disassembly shaft head is more relaxed.

Claims

1. A multi-disc conveying screw head for pulping white water, comprising a main shaft body (1) and a conveying screw connecting end (2), wherein the conveying screw connecting end (2) is fixedly connected to the end of the main shaft body (1); Its features are: The connection between the main shaft (1) and the conveying screw connection end (2) is provided with a flange, and a stainless steel flange (3) is welded to the flange. The main shaft (1) and the stainless steel flange (3) form an integral structure. A weld seam (4) is formed between the flange and the inner side of the stainless steel flange (3). The stainless steel flange (3) is provided with four shaft head disassembly set screw thread holes (6) that are evenly distributed in a circle inside.

2. The multi-disc conveying screw head for pulping white water according to claim 1, characterized in that: The stainless steel flange (3) is also provided with conveying spiral connection threaded holes (5) that are evenly distributed around the circumference. The conveying spiral connection threaded holes (5) and the shaft head disassembly set screw threaded holes (6) are staggered.

3. The multi-disc conveying screw head for pulping white water according to claim 2, characterized in that: The stainless steel flange (3) has an annular flange sealing groove (7) on the side of its edge near the conveying spiral connection end (2).

4. The multi-disc conveying screw head for pulping white water according to claim 3, characterized in that: The main shaft (1) is fitted with a stainless steel bushing (8) on its outer side. The stainless steel bushing (8) and the main shaft (1) form a transition fit. The outer side of the stainless steel bushing (8) is coated with a wear-resistant layer.

5. The multi-disc conveying screw head for pulping white water according to claim 1, characterized in that: The main shaft (1) is fixedly connected to a secondary shaft (9) at one end away from the conveying screw connection end (2), and the secondary shaft (9) is fixedly connected to a gearbox connection end (10) at one end away from the main shaft (1).

6. The multi-disc conveying screw head for pulping white water according to claim 5, characterized in that: The gearbox connection end (10) is provided with a keyway (11) distributed along its length direction on the outside. The end of the keyway (11) away from the secondary shaft (9) passes through the end of the gearbox connection end (10). The gearbox connection end (10) away from the secondary shaft (9) is provided with a shaft end thread center hole (12) in the middle.

7. The multi-disc conveying screw head for pulping white water according to claim 4, characterized in that: The wear-resistant layer sprayed on the outside of the stainless steel bushing (8) is a tungsten carbide coating.

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