CN219430386U - Building block type screen cylinder - Google Patents

Abstract

The utility model provides a building block type screen cylinder, which relates to the technical field of papermaking pulp screening and comprises a flat ring fixing device, an upper flange and a lower flange, wherein a plurality of diversion screen bars are clamped on the inner side of the flat ring fixing device. When the flat ring fixing device is installed, the connecting rod and the mounting ring are clamped and fixed, meanwhile, the fixing ring is inserted and fixed through the outer side inserting block and the inserting hole of the fixing ring, the fixing ring and the connecting rod are convenient to fix quickly, in addition, the flat ring fixing device and the upper flange and the lower flange are fixed through the fixing bolts, the guide screen rod and the fixing ring are fixed in a clamping manner, the traditional mode of adopting welded fixing is eliminated, a plurality of welding spots are avoided, when the guide screen rod is damaged, the guide screen rod is convenient to replace, meanwhile, the flat ring can be recycled, the use cost of the screen cylinder is reduced, meanwhile, the connecting rod can enable the screen cylinder to bear larger impact strength, collapse or deformation is not easy to occur, and the service life of the screen cylinder is prolonged.

Description

Building block type screen cylinder

Technical Field

The utility model relates to the technical field of screening of papermaking pulp, in particular to a building block type screen cylinder.

Background

In the pulping process, the original pulp may contain impurities such as fiber bundles, sand grains, metal scraps and the like, which affect the quality of paper, even cause equipment damage and bring unnecessary trouble to production, so that before the pulp is manufactured on a paper machine, the pulp needs to be purified and screened by a pressure screen, on one hand, dust and impurities in the pulp are removed, and on the other hand, the pulp is uniformly dispersed, so that a uniformly dispersed fiber suspension is formed.

In the prior art, for example, the Chinese patent number is: the utility model provides a "building block type screen cylinder" of CN205152711U, includes a plurality of flat ring group, installs the stick at the inner loop of flat ring group, and every flat ring group includes the flat ring of arranging the setting from top to bottom at least, and the interval is equipped with a plurality of tooth on the inner circumference of every flat ring, all is equipped with the stick in the tooth's socket between two adjacent teeth, the afterbody width of stick is greater than waist width, is equipped with a plurality of cotter hole on every flat ring, and the center of every cotter hole is located one side with the central line of that tooth's socket that this cotter hole is opposite, and flat ring one in the flat ring group is just one and is anti-staggered, and the pin passes the corresponding cotter hole of each flat ring in the flat ring group in proper order, links to each other all flat rings in the flat ring group, is equipped with a plurality of fixed through-hole on the flat ring group of the upper end and the bottom.

However, in the existing building block type screen cylinder, the inner guide screen rods, the upper flange plate, the lower flange plate and the flat ring are generally welded and fixed, so that a plurality of welding spots are formed among screening gaps among the guide screen rods, if the guide screen rods are damaged or deformed in the use process, the seam width of the screen cylinder is uneven, and the guide screen rods need to be replaced at the moment, but the guide screen rods cannot be replaced due to the fact that the guide screen rods are fixed by welding, so that the whole screen cylinder cannot be used, and the maintenance cost is high; meanwhile, the flat ring can not be reused, so that the use cost is high, and the building block type screen cylinder is provided for the problems.

Disclosure of Invention

The utility model aims to solve the problems that in the prior building block type screen cylinder, the inner side guide screen rods, the upper flange plate, the lower flange plate and the flat ring are generally welded and fixed, so that a plurality of welding spots are arranged among screening gaps among the guide screen rods, if the guide screen rods are damaged or deformed in the use process, the seam width of the screen cylinder is uneven, and the screen cylinder needs to be replaced at the moment, but the whole screen cylinder cannot be used because the guide screen rods are fixed by welding, so that the maintenance cost is high; meanwhile, the flat ring can not be reused, so that the problem of high use cost is caused, and the building block type screen cylinder is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a building block formula screen cylinder, includes flat ring fixing device, goes up flange and lower flange, flat ring fixing device's inboard joint has a plurality of water conservancy diversion screen rod, flat ring fixing device includes connecting rod, fixing bolt, inserted block, rotor, magnetism inhale strip and a plurality of solid fixed ring, gu fixed ring's both ends symmetry is provided with two collars, a plurality of gu between the fixed ring evenly is provided with the collar, a plurality of fixed lugs of the outside evenly fixedly connected with of collar, the spout has been seted up at the top of fixed lug, the both ends symmetry fixedly connected with slider of connecting rod, the inboard joint of one end and spout of slider, the square groove has been seted up to the inboard symmetry of spout, just the inboard symmetry of square groove is provided with two recesses, two the inboard fixedly connected with spring of recess, the one end of square groove rotates the installation with the one end of rotor, the inboard of rotor and the one end swing joint of spring.

Preferably, one end of the rotating piece is fixedly connected with one end of the magnetic attraction strip, a plurality of movable grooves are uniformly formed in the outer side of the fixed ring, and a plurality of jacks are uniformly formed in the inner side of the connecting rod.

Preferably, one end of the plug is welded with the inner side of the movable groove, and the other end of the plug is spliced with the inner side of the jack.

Preferably, a plurality of through holes are uniformly formed in the top of the mounting ring, and the inner sides of the through holes are in threaded connection with the outer sides of the fixing bolts.

Preferably, the top annular array of the upper flange is provided with a plurality of upper threaded holes, and the top annular array of the lower flange is provided with a plurality of lower threaded holes.

Preferably, the upper flange and the lower flange are both in threaded installation with one end of the fixing bolt, the outer side of the connecting rod is in clamping connection with the inner side of the movable groove, and the inner sides of the upper flange and the lower flange are both riveted with the two ends of the flow guiding screen rod.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the flat ring fixing device, when the flat ring fixing device is installed, the sliding blocks at the two ends of the connecting rod slide inwards along the sliding grooves, the sliding blocks are fixed in the sliding grooves, meanwhile, the fixing rings are inserted and fixed through the outer side inserting blocks and the inserting holes of the fixing rings, the fixing rings and the connecting rod are convenient to fix quickly, in addition, the flat ring fixing device is fixed with the upper flange and the lower flange through fixing bolts, the two ends of the guide screen rod and the upper flange and the lower flange are fixed through clamping, the flat ring fixing device is improved, the guide screen rod is fixed in a traditional welding fixing mode, a plurality of welding points are avoided, adverse effects on the screen cylinder caused by thermal deformation and stress residues are avoided, the screen cylinder is convenient to install and detach, when the guide screen rod is damaged, the guide screen rod can be replaced conveniently, meanwhile, the flat ring can be reused, and the use cost of the screen cylinder is reduced.

2. According to the utility model, when the connecting rod is installed with the mounting ring, the sliding blocks at the two ends of the connecting rod slide inwards along the sliding groove, the rotating piece is extruded to rotate, so that the sliding blocks are clamped in the sliding groove, and meanwhile, the rotating piece automatically rotates inwards under the action of the elastic force of the spring to block the sliding groove, so that the connecting rod is convenient to rapidly install and disassemble, and meanwhile, the connecting rod can enable the screen drum to bear larger impact strength, collapse or deformation is not easy to occur, and the service life of the screen drum is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a modular screen cylinder according to the present utility model;

FIG. 2 is an exploded view of a modular screen cylinder according to the present utility model;

FIG. 3 is an enlarged detail view of the building block screen cylinder of FIG. 2 at A according to the present utility model;

FIG. 4 is a schematic view showing the structure of a fixing bump of a modular screen cylinder according to the present utility model;

fig. 5 is a top cross-sectional view of a fastening tab of a modular screen cylinder according to the present utility model.

Legend description: 1. a flat ring fixing device; 2. a diversion screen bar; 3. an upper flange; 4. an upper threaded hole; 5. a lower flange; 6. a lower threaded hole; 11. a mounting ring; 12. a connecting rod; 13. a fixing bolt; 14. a fixing bump; 15. a slide block; 16. a through hole; 17. a chute; 18. a fixing ring; 19. a movable groove; 20. inserting blocks; 21. a jack; 22. a rotating piece; 23. a spring; 24. a groove; 25. a magnetic strip; 26. a square groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1-5, the utility model provides a building block type screen cylinder, which comprises a flat ring fixing device 1, an upper flange 3 and a lower flange 5, wherein a plurality of diversion screen bars 2 are clamped on the inner side of the flat ring fixing device 1, the flat ring fixing device 1 comprises a connecting rod 12, a fixing bolt 13, an inserting block 20, a rotating sheet 22, a magnetic attraction strip 25 and a plurality of fixing rings 18, two mounting rings 11 are symmetrically arranged on two ends of the fixing rings 18, the plurality of fixing rings 18 are uniformly arranged between the mounting rings 11, a plurality of fixing lugs 14 are uniformly and fixedly connected on the outer side of the mounting rings 11, a sliding groove 17 is formed on the top of the fixing lug 14, sliding blocks 15 are symmetrically and fixedly connected on two ends of the connecting rod 12, one end of each sliding block 15 is clamped on the inner side of each sliding groove 17, square grooves 26 are symmetrically formed on the inner side of each sliding groove 17, two grooves 24 are symmetrically arranged on the inner side of each square groove 26, a spring 23 is fixedly connected on the inner side of each square groove 24, one end of each square groove 26 is rotatably arranged on one end of each rotating sheet 22, and one end of each spring 23 is movably connected on the inner side of each square groove 22.

As shown in fig. 2-5, one end of the rotating plate 22 is fixedly connected with one end of the magnetic attraction strip 25, a plurality of movable grooves 19 are uniformly formed on the outer side of the fixed ring 18, a plurality of insertion holes 21 are uniformly formed on the inner side of the connecting rod 12, and magnetic attraction exists between the two magnetic attraction strips 25, so that the rotating plate 22 can be automatically closed, and the sliding groove 17 is blocked by the rotating plate 22.

As shown in fig. 3 and 4, one end of the insert 20 is welded to the inner side of the movable groove 19, and the other end of the insert 20 is inserted into the inner side of the insertion hole 21, the insert 20 on the outer side of the fixed ring 18 is aligned with the insertion hole 21, and the insert 20 and the insertion hole 21 are inserted and fixed, thereby fixing the plurality of fixed rings 18 and the six connecting rods 12.

As shown in fig. 1-3, a plurality of through holes 16 are uniformly formed in the top of the mounting ring 11, the inner sides of the through holes 16 are in threaded connection with the outer sides of the fixing bolts 13, and the fixing bolts 13 and the through holes 16 can mount the mounting ring 11, the upper flange 3 and the lower flange 5.

As shown in fig. 1 and 2, a plurality of upper threaded holes 4 are formed in the top annular array of the upper flange 3, a plurality of lower threaded holes 6 are formed in the top annular array of the lower flange 5, and the upper threaded holes 4 and the lower threaded holes 6 facilitate the screen cylinder to be fixed.

As shown in fig. 1-3, the upper flange 3 and the lower flange 5 are respectively and threadedly mounted with one end of the fixing bolt 13, the outer side of the connecting rod 12 is clamped with the inner side of the movable groove 19, the inner sides of the upper flange 3 and the lower flange 5 are respectively riveted with two ends of the diversion screen rod 2, and the diversion screen rod 2 is fixed with the upper flange 3 and the lower flange 5 in a riveting manner, so that a plurality of welding spots are avoided.

The application method and the working principle of the device are as follows: the building block type screen cylinder consists of a flat ring fixing device 1, an upper flange 3, a lower flange 5 and a plurality of guide screen pumps 2, wherein the flat ring fixing device 1 mainly consists of an upper mounting ring 11, a lower mounting ring 11, a plurality of fixing rings 18 which are uniformly distributed with the outer sides and a plurality of connecting rods 12 which are uniformly distributed with the outer sides; the sliding blocks 15 at two ends of the connecting rod 12 slide inwards along the sliding groove 17, the rotating piece 22 rotates outwards, the two magnetic attraction strips 25 can be fixed by magnetic attraction, at the moment, the sliding blocks 15 extrude the rotating piece 22 to two sides, so that the rotating piece 22 returns to the inner side of the square groove 26, the sliding blocks 15 move to the innermost side of the sliding groove 17, at the moment, the sliding blocks 15 are clamped in the sliding groove 17, meanwhile, the rotating piece 22 automatically rotates inwards under the action of the elastic force of the spring 23, the sliding groove 17 is blocked by the rotating piece 22 under the action of the magnetic attraction strips 25, so that the sliding blocks 15 are fixed in the sliding groove 7, the sliding blocks 15 are prevented from moving out of the sliding groove 17 at will, the steps are repeated to fix the plurality of connecting rods 12 and the mounting rings 11 at two ends, the adjacent six connecting rods 12 and the mounting rings 11 are fixed, then the plurality of fixing rings 18 are sequentially fixed, the inserting blocks 20 at the outer sides of the fixing rings 18 are aligned with the inserting holes 21, the inserting blocks 20 and the inserting holes 21 are fixed, so that the plurality of the fixing rings 18 and the six connecting rods 12 are fixed, at the moment, the rest six connecting rods 12 are fixed, so that the flat ring fixing device 1 is installed; and then the mounting ring 11, the upper flange 3 and the lower flange 5 are mounted by using the fixing bolts 13, and finally, a plurality of guide screen bars 2 are clamped and connected on the inner side of the fixing ring 18 in sequence, and the two ends of the guide screen bars 2, the upper flange 3 and the lower flange 5 are riveted and fixed, so that the whole screen cylinder is mounted.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a building block type screen cylinder, its characterized in that includes flat ring fixing device (1), goes up flange (3) and lower flange (5), the inboard joint of flat ring fixing device (1) has a plurality of water conservancy diversion screen rod (2), flat ring fixing device (1) include connecting rod (12), fixing bolt (13), inserted block (20), rotor blade (22), magnetism inhale strip (25) and a plurality of solid fixed ring (18), the both ends symmetry of solid fixed ring (18) is provided with two collar (11), a plurality of guy fixed ring (18) evenly set up between collar (11), the outside of collar (11) evenly fixedly connected with a plurality of fixed lug (14), spout (17) have been seted up at the top of fixed lug (14), the both ends symmetry fixedly connected with slider (15) of connecting rod (12), the inboard joint of one end and spout (17) of slider (15), square groove (26) have been seted up to the inboard symmetry of spout (17), and square groove (26) are provided with the inboard symmetry of side groove (24) two recess (24) and one end of two recess (24) are connected with one end of rotation square groove (23), the inner side of the rotating piece (22) is movably connected with one end of a spring (23).

2. A modular screen cylinder as claimed in claim 1, wherein: one end of the rotating piece (22) is fixedly connected with one end of the magnetic attraction strip (25), a plurality of movable grooves (19) are uniformly formed in the outer side of the fixed ring (18), and a plurality of jacks (21) are uniformly formed in the inner side of the connecting rod (12).

3. A modular screen cylinder as claimed in claim 2, wherein: one end of the plug block (20) is welded with the inner side of the movable groove (19), and the other end of the plug block (20) is inserted into the inner side of the jack (21).

4. A modular screen cylinder as claimed in claim 1, wherein: a plurality of through holes (16) are uniformly formed in the top of the mounting ring (11), and the inner sides of the through holes (16) are in threaded connection with the outer sides of the fixing bolts (13).

5. A modular screen cylinder as claimed in claim 1, wherein: a plurality of upper threaded holes (4) are formed in the top annular array of the upper flange (3), and a plurality of lower threaded holes (6) are formed in the top annular array of the lower flange (5).

6. A modular screen cylinder as claimed in claim 2, wherein: the upper flange (3) and the lower flange (5) are both in threaded installation with one end of the fixing bolt (13), the outer side of the connecting rod (12) is connected with the inner side of the movable groove (19) in a clamping mode, and the inner sides of the upper flange (3) and the lower flange (5) are both riveted with the two ends of the flow guiding screen rod (2).