CN2192647Y

CN2192647Y - Plastic sheet type paper making machine round screen

Info

Publication number: CN2192647Y
Application number: CN 94228569
Authority: CN
Inventors: 李德春
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-05-13
Filing date: 1994-05-13
Publication date: 1995-03-22
Anticipated expiration: 2004-05-13

Abstract

The utility model relates to a plastic sheet type round screen for a paper making machine, being composed of a screen shaft, a space sleeve, a plurality of wheel spokes and a round screen sheet. The utility model is characterized in that the round screen sheet which is made of plastics is formed by integral injection molding, and is a screen sheet which is composed of a plurality of vertically arranged radial sheets and a plurality of axially arranged supporting connecting rods. The utility model can better overcome the defects of rough screen surface, poor integral structure and easy corrosion, etc. in existing round screen sheets. The utility model has the advantages of high uniformity on the screen surface, good dewatering effect, corrosion resistance, low cost, convenient maintenance, etc.

Description

Plastic sheet type paper making machine round screen

The utility model relates to a kind of papermaking equipment, particularly relates to the plastic sheet type cylinder that a kind of paper machine is used, and is the improvement to existing paper machine cylinder.

Cylinder is the indispensable device of dewatering of pulp moulding in machine hand's preface, when copying paper, at first paper making raw material to be pulverized pulping, add water and deliver in the net groove, by the startup of paper machine, the drive cylinder rotates, paper pulp is suspended on the wire side that is covered with on the cylinder thereupon, by wet end dehydration be located at the roll extrusion of the rubber-surfaced roll of wet end, the moisture content drop is gone out, paper pulp is sent to drying cylinder and becomes paper, and this technical process requires tighter to the uniformity of wire side.At present, the paper machine cylinder that generally use in the paper mill is the Wound-rotor type iron structure cylinder of always using till today decades, promptly uses copper rod as support on wire side, carves indenture by the interval on the copper rod, red copper wire twines at each indenture place spiral, forms whole cylinder face.The weak point of this structure is that the copper cash degree of tightness is inconsistent, causes wire side uneven, and overall structure is poor, off-line and damage easily, and complex process, and corrosion-resistant degree is low, the cost height.

The purpose of this utility model provides a kind of wire side good evenness, the precision height, and dehydrating effect is good, and is corrosion-resistant, and cost is low, and technology is simple, plastic sheet type paper machine cylinder easy to maintenance.

The technical solution of the utility model is: by net axle 1, be installed in left outer spokes 8 on the net axle 1, right outer spokes 16 and a plurality of in spoke 6 and be installed in the spacer sleeve 2 between each spoke on the net axle 1 and the cylinder sheet 12 that is installed on the spoke outer surface constitutes, it is characterized in that cylinder sheet 12 is by the injection molded net sheet that is made of several support links 17 of erectting the radially thin slice 18 arranged and several axially-aligned of plastics one.

Advantage of the present utility model is: because the cylinder sheet changes Wound-rotor type copper and iron structure in the past, adopt the radially thin slice of setting arrangement and the support links of axially-aligned to be connected structure into the net, make that whole wire side is smooth, precision is high, dehydrating effect is good, and the paper moulding is equal; And the cylinder sheet has changed the mode that old-fashioned cylinder monolithic is installed, the structure that the bearing pin that employing element mesh sheet is mutual and the inserting mode of shrinkage pool link into an integrated entity, make technology simple, overall structure is good, the radially bearing capacity of wire side is apparently higher than existing cylinder, and mounting process is simple, is provided with seam simultaneously on the circumferential inner wall of spoke and cylinder sheet junction, can play better radial support effect.Of the present utility model being also advantageous in that: overcome original old-fashioned cylinder sheet and adopted the drawback that the copper-steel material material is perishable, cost is high, except that net axle and standard component, all the other all adopt plastics to make, reduce production costs 50%, and it is repeatedly reusable, easy to maintenance, corrosion-resistant degree height, technology is simple.

Following accompanying drawing has been described embodiment of the present utility model.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A profile of Fig. 1;

Fig. 3 is the B-B profile of Fig. 1;

Fig. 4 is the C-C profile of Fig. 1;

Fig. 5 is a left view of the present utility model;

Fig. 6 is the structural representation of temporary location net sheet among Fig. 1;

Fig. 7 is that the K of Fig. 6 is to view;

Fig. 8 is the B portion profile of Fig. 6 and Figure 13;

Fig. 9 is the C portion profile of Fig. 6 and Figure 11;

Figure 10 is that the A of Fig. 6, Figure 11 and Figure 13 is to view;

Figure 11 is the structural representation of left cell net sheet among Fig. 1;

Figure 12 is that the K of Figure 11 is to view;

Figure 13 is the structural representation of right sided cell net sheet among Fig. 1;

Figure 14 is that the K of Figure 13 is to view;

Figure 15 is the axial view of element mesh sheet in the utility model.

Below in conjunction with accompanying drawing the utility model is described in detail.Shown in Figure 1, basic structure of the present utility model is by net axle 1, be installed in left outer spokes 8 on the net axle 1, right outer spokes 16 and a plurality of in spoke 6 and be installed in the spacer sleeve 2 between each spoke on the net axle 1 and the cylinder sheet 12 that is installed on the spoke outer surface constitutes, it is characterized in that cylinder sheet 12 is by the injection molded net sheet that is made of several support links 17 of erectting the radially thin slice 18 arranged and several axially-aligned of plastics one.In the utility model, cylinder sheet 12 is constituted by several element mesh sheets, each element mesh sheet is made of the radially thin slice 18 and the axial support link rod 17 of some, one end of each support links 17 in each element mesh sheet is a bearing pin 20, the other end is a shrinkage pool 19, each element mesh sheet up and down has several connecting holes 23 on the support links 17 of the outermost end of both sides, and each element mesh sheet is each other by grafting between above-mentioned bearing pin 20 and the shrinkage pool 19 and the connection between realization element mesh sheet of being connected by bolt or rivet and connecting hole 23.Corresponding shrinkage pool 13, the 14 grafting secure fit of offering on cylinder sheet 12 and left and right spoke 8,16 termination by support links 17 and the left and

right spoke

8,16 are connected; Interior spoke 6 cooperates by seam 15 with the radially thin slice 18 of the cylinder sheet 12 of vicinity, uses rivet fixedly connected each other.

In the present embodiment, cylinder sheet 12 is to see Figure 11 by left cell net sheet 5(), organize temporary location net sheet 7(more and see Fig. 6) and right sided cell net sheet 11(see Figure 13) constitute, temporary location net sheet 7 determines to set up several groups according to reality is required, and one group of temporary location net sheet will be arranged at least.Figure 15 is the axial view of each element mesh sheet.The radially thin slice 18 of each element mesh sheet and the quantity of axial support link rod 17 are to decide according to reality is required, base region is: radially thin slice 18 is between 10 to 20, axial support link rod 17 is 15 to 30, in the present embodiment radially thin slice 18 be 14 to 15, axial support link rod 17 is 20.These element mesh sheets radially are divided into some groups, are divided into 6 groups in the present embodiment, and per two groups, two groups ground riveted joints form the cylinder (see figure 5) at last during installation.During installation, earlier left outer spokes 8 is installed in the left end of net axle 1, the left cell net sheet 5 radially termination of the support links 17 of six networking sheets is riveted in the shrinkage pool 13 on the left outer spokes 8 (seeing Fig. 1, Fig. 4) successively, again with left cell net sheet 5 radially six networking sheets up and down the connecting hole 23(on the support links 17 of the outermost end of both sides see Figure 11, Figure 12) by rivet 10 (see figure 3) that is riveted together mutually, in the radially lengthy motion picture 21 of left cell net sheet 5 and the left side spoke 6 spoke radially seam 15 places by rivet 4 (see figure 2) that is riveted together.Next temporary location net sheet 7 is installed, for making whole cylinder sheet 12 have better bearing capacity, in the present embodiment, temporary location net sheet 7 and left cell net sheet 5 are radially interlaced behind 1/2nd positions and 5 riveted joints of left cell net sheet again, the temporary location net sheet 7 radially bearing pin 20(of six networking sheets is seen Fig. 6) successively riveting knot in the shrinkage pool 19 of left cell net sheet 5 (seeing Figure 11), again with temporary location net sheet 7 radially six networking sheets up and down the connecting hole 23(on the support links 17 of the outermost end of both sides see Fig. 6, Fig. 7) by rivet 10 (see figure 3) that is riveted together mutually, and then with the lengthy motion picture 21 of interior spoke 6 and temporary location net sheet 7 at radially seam 15 places of interior spoke 6 by rivet 4 (see figure 2) that is riveted together.In the utility model, interior spoke 6 is spokes in be provided with by the actual needs specification of wire side a plurality of, reach the quantity of required interior spoke 6 by above-mentioned installation method after, again right sided cell net sheet 11 and temporary location net sheet 7 are radially interlaced behind 1/2nd positions and 7 riveted joints of temporary location net sheet, the bearing pin 20 in right sided cell net sheet 11 six networking sheets left side radially axially is riveted in the shrinkage pool 19 of temporary location net sheet 7 successively, again the connecting hole 23(on the support links 17 of the outermost end of both sides about the radially six networking sheets of right sided cell net sheet 11 is seen Figure 13,14) be riveted together mutually by rivet 10.Then right outer spokes 16 is installed in the right-hand member of net axle 1, the right sided cell net sheet 11 radially termination of the support links 17 of six networking sheets inserts successively in the shrinkage pool 14 on the right outer spokes 16 and is riveted on the right outer spokes 16.

Be axial motion and the radially rotation that prevents inside and outside spoke, left side outer spokes 8 and two ends, right outer spokes 16 outside are fastened on the net axle 1 with mother sieve 9, and inboard and several interior spoke 6 usefulness jackscrews 3 of left outer spokes 8 and right outer spokes 16 are adjusted and are fixed on the net axle 1 (seeing Fig. 1, Fig. 5).Spacer sleeve 2 is housed between each spoke, and its distance equates.Shown in Figure 8, be between the element mesh sheet mutually during riveted joint, the section of structure of its support links 17 when it radially interlaces the riveted joint of 1/2nd positions; Shown in Figure 9, the section of structure of the shrinkage pool of using when the element mesh sheet is riveted mutually 19; Shown in Figure 10, be each element mesh sheet structural representation of the support links 17 of both sides outermost end up and down, when radially connecting, each element mesh sheet make it be connected to become an integrated support link rod by connecting hole 23.

Existing old-fashioned cylinder employing copper-steel material material is perishable, cost is high in order to solve better, the drawback of easy-maintaining not, the utility model removes the net axle and standard component all adopts plastics to make, can save a large amount of non-ferrous metals and ferrous metal, reduce cost 50%, and it is repeatedly reusable, easy to maintenance.

When the utility model used, whole machine installation covered screen cloth on the cylinder sheet and can use on paper machine or decker.The utility model also can be used on the asbestos shingle machine.

Claims

1, a kind of plastic sheet type paper machine cylinder, by net axle (1), be installed in left outer spokes (8) on the net axle (1), right outer spokes (16) and a plurality of in spoke (6) and be installed in that net axle (1) is gone up the spacer sleeve (2) between each spoke and the cylinder sheet (12) that is installed on the spoke outer surface constitutes, it is characterized in that cylinder sheet (12) be by the plastics one injection molded erect the net sheet of support links (17) formation of the radially thin slice (18) of arrangements and several axially-aligned by several.

2, plastic sheet type paper machine cylinder according to claim 1, it is characterized in that cylinder sheet (12) is constituted by several element mesh sheets, each element mesh sheet is made of the radially thin slice (18) and the axial support link rod (17) of some, one end of each support links (17) in each element mesh sheet is bearing pin (20), the other end is shrinkage pool (19), each element mesh sheet up and down has several connecting holes (23) on the support links (17) of the outermost end of both sides, and each element mesh sheet is each other by grafting between above-mentioned bearing pin (20) and the shrinkage pool (19) and the connection between realization element mesh sheet of being connected by bolt or rivet and connecting hole (23).

3, plastic sheet type paper machine cylinder according to claim 1 and 2 is characterized in that corresponding shrinkage pool (13,14) the grafting secure fit of offering on cylinder sheet (12) and left and right spoke (8, the 16) termination by support links (17) and the left and right spoke (8,16) is connected; Interior spoke (6) cooperates by seam (15) with the radially thin slice (18) of the cylinder sheet (12) of vicinity, uses rivet fixedly connected each other.