Multi-section type cross screen shaft device

Abstract

A multi-section type cross screen shaft device comprises a screen shaft, the two ends of the screen shaft are fixedly connected to a driving half shaft and a driven half shaft respectively, fixed tiles are fixedly connected to the inner end of the driving half shaft and the inner end of the driven half shaft respectively, and movable tiles are fixedly connected to the fixed tiles through connecting bolts. The movable tiles on the driving half shaft and the movable tiles on the driven half shaft correspond left and right in the axial direction of the screen shaft, arc-shaped grooves of the fixed tiles and the arc-shaped grooves of the movable tiles are matched with the two ends of the screen shaft, arc-shaped key grooves in the circumferential direction are formed in the portion, on the side of the driving half shaft, of the screen shaft and the movable tiles on the side, and arc-shaped keys are installed in the arc-shaped key grooves. The driven half shaft is supported in a driven side bearing seat through a bearing, and the driving half shaft is installed in a gear box on the driving side. When the screen shaft is overhauled and maintained, the screen shaft part can be hoisted out only by detaching the connecting bolts between the movable tiles and the fixed tiles, so that the equipment maintenance time can be obviously shortened.

Description

TECHNICAL FIELD

[0001] The utility model discloses a screening mechanical equipment technical field, especially a kind of roller cross screening device, belong to mechanical technical field. BACKGROUND

[0002] In the roller cross screening equipment, screen sheet is vulnerable spare, after screening material abrasion, need to be replaced spare part by disassembling screen shaft.But because current roller cross screen screen shaft is removed complicatedly and time-consuming, maintenance needs to be stopped and disassembled as a whole.Light influence production quality and efficiency, heavy stoppage time maintenance influence production plan, cause production chain interruption, lead to serious economic loss.Therefore, shorten the replacement time of roller cross screening equipment screen shaft, improve maintenance convenience is crucial to production.At present, most roller cross screening equipment is connected with driving source and reduction gearbox group by using multiple groups of whole screen shaft.In high yield, high efficiency, high strength production task, there are the following problems: screen shaft is difficult to disassemble, replacement screen shaft needs to separate driving source, whole independent screen shaft and the connection of box, needs long time stoppage, influence production plan. SUMMARY

[0003] The utility model discloses a kind of multi-section cross screen shaft devices to overcome the above-mentioned problems existing in current cross screen shaft.

[0004] To achieve the purpose of the utility model, the following technical solutions are adopted: a kind of multi-section cross screen shaft device, including screen shaft, the both ends of screen shaft are fixedly connected on driving half shaft and driven half shaft, fixed tile is fixedly connected on the inner end of driving half shaft and driven half shaft, movable tile is fixedly connected on fixed tile by connecting bolt, movable tile on driving half shaft and movable tile on driven half shaft correspond to left and right in the axial direction of screen shaft, the arc-shaped groove of fixed tile and movable tile is adapted to both ends of screen shaft, arc-shaped key groove is set on screen shaft on driving half shaft side and movable tile on this side along the circumferential direction, arc-shaped key is installed in arc-shaped key groove, driven half shaft is supported in driven side bearing seat by bearing, driving half shaft is installed in gear box on driving side.

[0005] Further;The connecting bolt is located at the both sides of screen shaft separated by 180 degrees, and each side of the connecting bolt has multiple channels.

[0006] Further;The middle of the screen shaft is a thick shaft, and the two ends are thin shafts, the outer end of the driving half shaft and the driven half shaft is a thin shaft, and the inner end is a thick shaft, and the fixed tile is located on the thick shaft.

[0007] Further;The diameter of the thick shaft and the thick shaft is equal, and the diameter of the thin shaft and the thin shaft is equal.

[0008] The positive beneficial technical effect of the utility model lies in that: during the maintenance, only need to remove the connecting bolt between the movable tile and the fixed tile, the screen shaft part can be hoisted out, which can significantly shorten the equipment maintenance time. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is the schematic diagram of the embodiment of the utility model.

[0010] Figure 2 is the radial section schematic diagram of the connecting bolt connection between the fixed tile and the movable tile.

[0011] Figure 3 is the schematic diagram of hoisting the screen shaft by the lifting bar during disassembly.

[0012] Figure 4 is Figure 3 the side view of left and right direction. DETAILED DESCRIPTION

[0013] In order to more fully explain the embodiment of the utility model, the embodiment of the utility model is provided. These embodiment examples are only the elaboration of the utility model, and do not limit the scope of the utility model.

[0014] The utility model is further explained in detail in combination with the drawings, and the various marks in the drawings are: 1: driving source;2: connecting shaft;3: gear box;4: driving half shaft;41: thin diameter shaft;42: thick diameter shaft;43: fixed tile A;44: movable tile A;5: screen shaft;51: thin shaft;52: thick shaft;6: arc-shaped key;7: driven half shaft;71: fixed tile B;72: movable tile B;8: driven side bearing seat;9: lifting hook;10: lifting bar.

[0015] As shown in the drawings, a multi-section cross screen shaft device, comprising a screen shaft 5, the two ends of the screen shaft are fixedly connected on the driving half shaft 4 and the driven half shaft 7 respectively, the inner end of the driving half shaft 4 and the driven half shaft 7 is fixedly connected with fixed tile A 43 and fixed tile B 71 respectively, the movable tile A is fixedly connected on the fixed tile A through connecting bolt, the movable tile B is fixedly connected on the fixed tile B through connecting bolt, Figure 3Is fixed tile B and active tile B with connecting bolt 11 connection schematic diagram, connecting bolt is located in the screen shaft is separated 180 degrees two sides, each side of the connecting bolt has multiple. Connecting bolt will be active tile, fixed tile fixed connection, the two ends of the screen shaft are tightly in the active tile and the fixed tile. Active tile A and active tile B in the axial direction of the screen shaft left and right corresponding, left and right corresponding means that two active tiles are in the same angle on the circumferential direction of the screen shaft, two active tiles can be rotated to the upper at the same time, the arc-shaped groove of the fixed tile and the active tile is adapted to the two ends of the screen shaft, the arc-shaped key groove is provided on the screen shaft on the driving half shaft side and the active tile on the side, the arc-shaped key groove is provided with an arc-shaped key 6, the arc-shaped key can prevent axial movement and prevent the screen shaft from slipping in the tile, the driven half shaft is supported in the driven side bearing seat 8 through a bearing, and the driving half shaft is installed in the gear box 3 on the driving side. The screen shaft in the embodiment is connected with a driving source, the driving source can adopt a motor, the output shaft of the driving source is connected with the driving half shaft through a shaft coupling, and the outer end of the driving half shaft is supported in the gear box through a bearing (the function of the gear box is to provide power for another screen shaft through a gear).

[0016] In the embodiment, the screen shaft is provided with a thick shaft 52 in the middle and thin shafts 51 at two ends, the driving half shaft and the driven half shaft are provided with thin shafts at outer ends and thick shafts at inner ends, in the drawing, 41 is the thin shaft of the driving half shaft, 42 is the thick shaft of the driving half shaft, the fixed tile is located on the thick shaft, the diameter of the thick shaft is equal to that of the thick shaft, and the diameter of the thin shaft is equal to that of the thin shaft.

[0017] Figure 3 、 Figure 4 Is a schematic diagram of hoisting by using the technical scheme of the screen shaft, only the connecting bolts between the active tile and the fixed tile need to be removed.

[0018] After the embodiments of the utility model are described in detail, persons skilled in the art can clearly understand that various changes and modifications can be made without departing from the above patent application range and spirit, any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments all belong to the range of the technical scheme of the utility model, and the utility model is also not limited to the implementation modes of the examples in the specification.

Claims

1. A multi-section cross-sieve shaft arrangement comprising a sieve shaft, characterized in that: The two ends of the screen shaft are fixedly connected with the driving half shaft and the driven half shaft respectively, fixed tiles are fixedly connected with the inner ends of the driving half shaft and the driven half shaft respectively, movable tiles are fixedly connected with the fixed tiles through connecting bolts, the movable tiles on the driving half shaft and the movable tiles on the driven half shaft correspond to each other in the axial direction of the screen shaft, the arc-shaped grooves of the fixed tiles and the movable tiles are adapted to the two ends of the screen shaft, arc-shaped key grooves are formed on the screen shaft on the driving half shaft side and the movable tiles on the driving half shaft side in the circumferential direction, arc-shaped keys are installed in the arc-shaped key grooves, the driven half shaft is supported in the driven side bearing seat through a bearing, and the driving half shaft is installed in the gear box on the driving side.

2. A multi-stage cross-screed apparatus as claimed in claim 1, wherein: The connecting bolts are located on the two sides of the screen shaft which are separated by 180 degrees, and each side of the connecting bolts has multiple rows.

3. A multi-stage cross-screed apparatus as defined in claim 1, wherein: The screen shaft is coarse in the middle and thin at the two ends, the driving half shaft and the driven half shaft are thin in the outer end and thick in the inner end, and the fixed tiles are located on the thick shafts.

4. A multi-stage cross-screed apparatus as claimed in claim 3, wherein: The diameters of the coarse shaft and the thick shaft are equal, and the diameters of the thin shaft and the thin shaft are equal.

Images