阅读说明：本技术 一种适用于碱纤维素压榨机的压榨辊 (Press roll suitable for alkali cellulose presser ) 是由 李新奇 吴朝晖 杨娜 智红军 许雪峰 高春生 田凤臣 朱邓松 于 2019-11-27 设计创作，主要内容包括：一种适用于碱纤维素压榨机的压榨辊,它包括辊体结合件(1),其特征在于：所述辊体结合件(1)包括主轴(9),通过沿主轴长度方向均布的若干幅板(10)套装在主轴上的中空柱形结构的辊体(11),以及环绕辊体、以轴向均布的方式固结在辊体上的若干根立筋(13),且沿每根立筋的长度方向以均布的方式开设有若干立筋互通孔(6)；在辊体结合件(1)的立筋外圆上通过过盈配合的方式套装有环筋结合件(2),在环筋结合件(2)的外圆柱面上通过过盈配合的方式套装有圆筒状网孔板(3),在辊体结合件(1)左右分别固结有两个端法兰闷头(4),在端法兰闷头(4)上设置有与由每两相邻的立筋(13)之间的间距与环筋结合件(2)共同构成的互通式回流空腔(5)相连通的回流孔(8)。(The utility model provides a press roll suitable for alkali cellulose squeezer, it includes roll body binder (1), its characterized in that: the roller body combining part (1) comprises a main shaft (9), a roller body (11) which is of a hollow cylindrical structure and sleeved on the main shaft through a plurality of radial plates (10) which are uniformly distributed along the length direction of the main shaft, and a plurality of studs (13) which surround the roller body and are fixedly connected on the roller body in an axially uniform distribution mode, and a plurality of stud through holes (6) are formed in the length direction of each stud in a uniformly distributed mode; the outer circle of the vertical ribs of the roller body combining piece (1) is sleeved with a ring rib combining piece (2) in an interference fit mode, the outer cylindrical surface of the ring rib combining piece (2) is sleeved with a cylindrical mesh plate (3) in an interference fit mode, the left side and the right side of the roller body combining piece (1) are respectively fixedly connected with two end flange choke plugs (4), and the end flange choke plugs (4) are provided with backflow holes (8) communicated with an intercommunicating backflow cavity (5) jointly formed by the interval between every two adjacent vertical ribs (13) and the ring rib combining piece (2).)

1. The utility model provides a press roll suitable for alkali cellulose squeezer, it includes roll body binder (1), its characterized in that: the roller body combining part (1) comprises a main shaft (9), a roller body (11) which is of a hollow cylindrical structure and sleeved on the main shaft through a plurality of radial plates (10) which are uniformly distributed along the length direction of the main shaft, and a plurality of studs (13) which surround the roller body and are fixedly connected on the roller body in an axially uniform distribution mode, and a plurality of stud through holes (6) are formed in the length direction of each stud in a uniformly distributed mode; the outer circle of the vertical ribs of the roller body combining piece (1) is sleeved with a ring rib combining piece (2) in an interference fit mode, the outer cylindrical surface of the ring rib combining piece (2) is sleeved with a cylindrical mesh plate (3) in an interference fit mode, the left side and the right side of the roller body combining piece (1) are respectively fixedly connected with two end flange choke plugs (4), and the end flange choke plugs (4) are provided with backflow holes (8) communicated with an intercommunicating backflow cavity (5) jointly formed by the interval between every two adjacent vertical ribs (13) and the ring rib combining piece (2).

2. Press roll adapted for use in an alkali cellulose press according to claim 1, wherein: the ring rib combining piece (2) is composed of a plurality of ring rib barrels which are formed by assembling and welding a plurality of ring-shaped steel plates in an interference fit mode along the axial direction, the ring rib barrels are sequentially sleeved on the outer circle of the stud, a spacer ring (17) is arranged between every two adjacent ring-shaped steel plates which form the ring rib barrels, and the space between every two adjacent ring-shaped steel plates formed through the spacer ring (17) is used as a reflux groove (7) of the ring rib combining piece (2).

3. Press roll adapted for use in an alkali cellulose press according to claim 1, wherein: the cylindrical mesh plate (3) is composed of a plurality of mesh cylinders which are 2.5-3.5 mm thick and are sequentially sleeved on the outer cylindrical surface of the ring rib combining piece (2) in an interference fit mode along the axial direction, through holes with the diameter phi of 0.8-1.2 mm are uniformly distributed on the surface of the cylindrical mesh plate (3), and every two adjacent mesh cylinders are fixedly connected together in a welding mode.

Technical Field

The invention relates to a textile machinery presser, in particular to a pressing roll suitable for an alkali cellulose presser.

Background

The alkali cellulose squeezer mainly comprises a pulp tank, a pair of squeezing rollers, a spraying scraper and other components, when the squeezer runs, alkali cellulose pulp porridge is fed into the pulp tank from a pulp inlet at the bottom of the pulp tank by a pulp pump, the pulp porridge is extruded from the middle of the two squeezing rollers with opposite rotation directions, squeezed alkali water flows into a roller body, and finally the alkali cellulose is discharged from return holes on flange plugs at the two ends of the squeezing rollers, so that alkali cellulose with certain dryness is obtained. At present, a squeezing roller body widely used in viscose factories is to process a plurality of annular grooves on the surface of a seamless steel pipe, dozens of backflow holes with the diameter phi of 10 mm or phi of 12mm are evenly processed in the inner circumferential direction of each groove, and during the squeezing process, backflow alkali liquor flows into the grooves of the roller body through a mesh plate with small holes with the diameter phi of 1mm distributed on the surface and then flows into the roller body through the backflow holes in the grooves. After the squeezing roller with the structure is used for a period of time, the grooves and the backflow holes on the roller body are gradually blocked by the residual alkali cellulose, so that the squeezing effect and the yield of the squeezing machine are influenced.

Disclosure of Invention

The present invention aims at overcoming the demerits of available technology, and provides one kind of press roll with intercommunicated reflux suitable for use in alkali cellulose press.

The purpose of the invention can be realized by the following technical scheme:

the squeezing roller suitable for the alkali cellulose squeezer comprises a roller body connector, wherein the roller body connector comprises a main shaft, a roller body which is of a hollow cylindrical structure and sleeved on the main shaft through a plurality of webs which are uniformly distributed along the length direction of the main shaft, and a plurality of studs which surround the roller body and are fixedly connected on the roller body in an axially uniform distribution mode, and a plurality of stud through holes are formed in the length direction of each stud in a uniformly distributed mode; the outer circle of the vertical rib of the roller body combining piece is sleeved with a ring rib combining piece in an interference fit mode, the outer cylindrical surface of the ring rib combining piece is sleeved with a cylindrical mesh plate in an interference fit mode, the left side and the right side of the roller body combining piece are respectively fixedly connected with two end flange choke plugs, and the end flange choke plugs are provided with backflow holes communicated with an intercommunicating backflow cavity formed by the space between every two adjacent vertical ribs and the ring rib combining piece.

The annular rib combining piece is formed by a plurality of sections of annular rib barrels which are sequentially sleeved on the excircle of the vertical rib in an interference fit mode along the axial direction and are respectively formed by assembling and welding a plurality of annular steel plates, a spacer ring is arranged between every two adjacent annular steel plates forming the annular rib barrels, and the space between every two adjacent annular steel plates formed by the spacer rings is used as an annular rib combining piece backflow groove.

The cylindrical mesh plate is composed of a plurality of sections of mesh cylinders with the thickness of 2.5-3.5 mm, which are sequentially sleeved on the outer cylindrical surface of the ring rib combining piece in an interference fit mode along the axial direction, and every two adjacent mesh cylinders are fixedly connected together in a welding mode.

Through holes with the diameter phi of 0.8-1.2 mm are uniformly distributed on the surface of the cylindrical mesh plate.

The working principle and the beneficial effects of the invention are as follows:

in the invention, the reflux groove is formed between every two adjacent annular ribs on the annular rib combining piece; a plurality of studs with the same length as the roller body are uniformly distributed on the cylindrical surface of the roller body connector, and a stud through hole is reserved on each stud; the ring rib combining piece is arranged on the outer circle of the vertical rib of the roller body combining piece in an interference fit mode, so that an intercommunicated backflow cavity is formed. When the squeezing roller works, the alkali liquor which flows back to the interior of the squeezing roller flows into the reflux groove through the meshes on the mesh plate, and the reflux groove is directly communicated with the reflux cavity and finally discharged from the reflux hole.

The squeezing roller of the invention forms the intercommunicated backflow cavity in the process of alkali liquor backflow, solves the problem of blockage of the grooves and backflow holes compared with the traditional groove type squeezing roller, and is beneficial to improving the yield of the squeezing machine.

Drawings

Fig. 1 is an external view of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a sectional view B-B of fig. 1.

Fig. 4 is a detailed structural view of the roll body coupler of fig. 2.

Fig. 5 is a cross-sectional view C-C of fig. 4.

FIG. 6 is a three-dimensional structure view of a single-section ring rib cylinder constituting the ring rib binder.

Fig. 7 is an enlarged view i of fig. 2.

Number in the figure: (1) the roller comprises a roller body connector, (2) an annular rib connector, (3) a mesh plate, (4) a flange choke plug, (5) a backflow cavity, (6) a vertical rib intercommunicating hole, (7) a backflow groove, (8) a backflow hole, (9) a main shaft, (10) a web, (11) a roller body, (12) a reinforcing rib, (13) a vertical rib, (14) a backing plate, (15) an annular rib, (16) a pulling rib, and (17) a spacer ring.

Detailed Description

The invention will be further described with reference to the following examples (drawings):

as shown in fig. 1, 2 and 3, the press roll suitable for the alkali cellulose press of the present invention comprises a roll body connector 1 (see fig. 4 and 5), wherein the roll body connector 1 comprises a main shaft 9, a roll body 11 of a hollow cylindrical structure sleeved on the main shaft through a plurality of webs 10 uniformly distributed along the length direction of the main shaft, and a plurality of studs 13 surrounding the roll body and fixedly connected to the roll body in an axially uniform distribution manner, and a plurality of stud through holes 6 are uniformly distributed along the length direction of each stud.

More specifically: a plurality of webs 10 are welded on a main shaft 9, a roller body 11 is connected with the webs 10 in an interference fit mode, then a plurality of studs 13 which are as long as the roller body are evenly welded on the outer cylindrical surface of the roller body 11, a plurality of rectangular stud through holes 6 are reserved on the studs 13, and finally a plurality of U-shaped reinforcing ribs 12 are welded in a gap between every two studs 13 to form the roller body combining piece 1 in an assembling and welding mode.

The outer circle of the vertical rib of the roller body combining piece 1 is sleeved with a ring rib combining piece 2 in an interference fit mode, the outer cylindrical surface of the ring rib combining piece 2 is sleeved with a cylindrical mesh plate 3 in an interference fit mode, the left side and the right side of the roller body combining piece 1 are respectively fixedly connected with two end flange choke plugs 4, and the end flange choke plugs 4 are provided with backflow holes 8 (see figure 7) communicated with an intercommunicated backflow cavity 5 formed by the interval between every two adjacent vertical ribs 13 and the ring rib combining piece 2.

Furthermore, the two flange plugs 4 are fixed on the left and right end faces of the roller body in the roller body conjunction 1 in a screw connection mode.

As shown in fig. 6, the ring rib connector 2 of the present invention is composed of a plurality of ring rib cylinders, which are assembled and welded by a plurality of ring-shaped steel plates, and sequentially sleeved on the outer circle of the stud in an interference fit manner along the axial direction, wherein a spacer ring 17 is disposed between every two adjacent ring-shaped steel plates constituting the ring rib cylinder, and the distance between every two adjacent ring-shaped steel plates formed by the spacer ring 17 is used as the reflow groove 7 of the ring rib connector 2. More specifically: a plurality of ring ribs 15 are connected in series through a lacing wire 16 and a spacing ring 17, every two ring ribs 15 are separated through the spacing ring 17 sleeved on the lacing wire 16, and then all the ring ribs are fixed on a backing plate 14 through welding to form the ring rib binder 2 in an assembling and welding mode.

The cylindrical mesh plate 3 consists of a plurality of sections of mesh cylinders with the thickness of 2.5-3.5 mm, which are sequentially sleeved on the outer cylindrical surface of the ring rib combining piece 2 in an interference fit mode along the axial direction, through holes with the diameter phi of 0.8-1.2 mm are uniformly distributed on the surface of the cylindrical mesh plate 3, and every two adjacent mesh cylinders are fixedly connected together in a welding mode.

When the press roll works (see figure 7), the alkali liquor which flows back to the interior of the press roll flows into the reflux groove 7 between every two adjacent annular ribs 15 through the small holes on the mesh plate 3, and the reflux groove 7 is communicated with the reflux cavity 5 and finally discharged through the reflux holes 8.