Linear sieve compresses tightly fixing device

The utility model discloses a linear sieve compresses tightly fixing device, including screen cloth and reel the side of reel by supremely down set gradually that screen cloth, card are fast, holding down plate, middle clamp plate and top board, the clamp plate compresses tightly holding down plate and top board on the reel through bolt, packing ring and nut in the middle of and, the utility model discloses a back on top board and clamp plate is pressed to middle clamp plate, and is fixed with bolt, nut, reaches to fix on the reel with the screen cloth the card is fast, when the clamp plate moved toward the reel orientation in the middle of screw the nut made, pushes the holding down plate and further promotes the card and move to the screen cloth orientation soon, compresses tightly fixed screen cloth, only need the loosening nut during alignment adjustment amplitude, lift or push down the area of contact of middle briquetting of adjustment and holding down plate, top board, can adjust the fixed position of