CN211079755U

CN211079755U - Inclined wire paper machine

Info

Publication number: CN211079755U
Application number: CN201921561934.7U
Authority: CN
Inventors: 张小龙
Original assignee: Zhejiang Smith Special Paper Co ltd
Current assignee: Zhejiang Smith Special Paper Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-24
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses an inclined wire paper machine, the bottom of the inclined wire pulp flowing box is provided with a water leg box in a matching way, and the water leg box comprises a box body and a perforated ceramic panel arranged at the top of the box body; a water absorption assembly is arranged on the frame outside the water leg box in a matched manner, three layers of forming nets are arranged between the water leg box and the inclined net pulp flow box, and the three layers of forming nets are enclosed outside the water leg box and the water absorption assembly in an end-to-end manner through a transmission assembly; the three-layer forming net ensures the uniformity of paper under the condition of easy dehydration, and the dehydration element uses a ceramic panel, so that the service life of the three-layer forming net is prolonged; the speed of the paper machine is effectively improved, various energy consumptions can be reduced, the paper quality is easy to control, and the application range is wide.

Description

Inclined wire paper machine

Technical Field

The utility model belongs to paper machine equipment field relates to an inclined wire paper machine particularly.

Background

The inclined wire paper machine is generally low in speed so as to provide enough forming time for paper web and ensure the uniformity and air permeability of finished paper; however, the production efficiency is affected by the too low speed of the paper machine, so that the speed of the inclined wire paper machine is required to be increased under the condition of not affecting the paper making performance; however, most people often form uneven paper sheets after increasing the speed of the inclined wire paper machine, and the produced paper sheets have poor performance and low additional value.

And the existing inclined wire paper machine has high production energy consumption cost and small application range, and can only be suitable for determined paper sheets with one specification.

SUMMERY OF THE UTILITY MODEL

For solving among the above-mentioned background art at traditional inclined wire paper machine speed of a motor vehicle low, each item production power consumption is high, application range is little, and improve the not good problem of paper homogeneity behind the inclined wire paper machine speed of a motor vehicle, the utility model provides an inclined wire paper machine.

In order to achieve the above object, the utility model provides a following technical scheme:

an inclined wire paper machine comprises a forming part, wherein the forming part comprises an inclined wire pulp flow box, the bottom of the inclined wire pulp flow box is provided with a water leg box in a matching way, and the water leg box comprises a box body and a perforated ceramic panel arranged at the top of the box body; the machine frame outside the water leg box is provided with a water absorption assembly in a matching mode, a three-layer forming net is arranged between the water leg box and the inclined net pulp flowing box, and the three-layer forming net is arranged outside the water leg box and the water absorption assembly in an enclosing mode in an end-to-end mode through a transmission assembly.

Preferably, three-layer forming net includes surface course, bottom and first connecting wire, the second connecting wire of connecting surface course and bottom, and the surface course is woven into plain weave structure by face warp and face weft are crisscross, and the bottom is woven into satin weave structure by bottom warp and bottom weft are crisscross, first connecting wire and second connecting wire are connected from the latitudinal direction respectively the surface course with the bottom.

Preferably, the front side or the rear side of the box body of the water leg box is connected with at least 6 groups of vacuum water leg pipes, any group of vacuum water leg pipes is provided with a flow regulating system, and outlets of all the vacuum water leg pipes are connected with a closed container with the top being vacuumized.

Preferably, the transmission assembly comprises a net driving roller, a plurality of second net guiding rollers arranged at the top of the rack and a plurality of first net guiding rollers arranged on the rack of the water leg box, and the bottom of the three-layer forming net is sequentially clung to the first net guiding rollers, the second net guiding rollers and the net driving rollers to form circumferential transmission.

Preferably, the inclined net paper machine further comprises a cleaning assembly, the cleaning assembly comprises a cleaning roller which is arranged between the net driving roller and the frame and matched with the top of the three-layer forming net, and a high-pressure water needle is arranged on the frame of the water leg box in a matched mode.

Preferably, the water absorption assembly comprises a plurality of vacuum suction boxes, and each vacuum suction box comprises a ceramic panel which is arranged on the top of the box body and provided with an opening.

Preferably, the top of the frame is provided with a trimming squirt cut which is arranged between two of the vacuum suction boxes.

Preferably, a net part tensioning device is arranged between the machine frame and the water leg tank.

Preferably, the net part tensioning device comprises a fixed rack fixed below the rack, an even number of tensioning rollers arranged side by side are suspended on the fixed rack, a movable adjusting roller arranged opposite to the tensioning rollers is arranged below the fixed rack, and after the top and the bottom of the three-layer forming net are sequentially wound on the tensioning rollers, the bottom of the three-layer forming net is wound on the movable tensioning rollers to enable the top of the three-layer forming net to be arranged downwards.

Preferably, a correcting device is arranged between the transmission assembly and the water leg tank, and the correcting device comprises a correcting roller and a deviation corrector arranged on the left side of the correcting roller.

Compared with the prior art, the beneficial effects of the utility model are that:

the uniformity of paper is guaranteed under the condition that the first forming net and the third forming net are easy to dewater, and the dewatering element uses a ceramic panel, so that the service life of the third forming net is prolonged;

secondly, reducing various energy consumptions and easily controlling the paper quality;

thirdly, the speed of the paper machine is effectively improved;

fourthly, the application range is wide, and 15-95 g of paper sheets can be manufactured.

Drawings

Fig. 1 is a schematic structural view of an inclined wire machine.

Fig. 2 is a schematic structural view of a three-layer forming net.

The labels in the figure are: 1-inclined net head box, 2-water leg box, 3-edge cutting water needle, 4-vacuum suction box, 5-forming net, 6-net driving roller, 7-correcting roller, 8-net guiding roller, 9-cleaning roller, 10-high pressure water needle, 11-frame, 12-deviation corrector, 13-tensioning roller, 14-movable adjusting roller, 15-surface warp, 16-surface weft, 17-bottom layer warp, 18-bottom layer weft, 19-first connecting wire and 20-second connecting wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The inclined net paper machine comprises a forming part, a pressing part matched with the forming part and a drying part matched with the pressing part; the forming part is used for dehydrating and forming pulp water to generate wet paper sheets; the pressing part is used for supporting paper sheets by felt with proper specification and pressing, and the drying part is used for driving a plurality of drying cylinders by gears or the felt to dry the pressed paper sheets.

The utility model discloses in, oblique net head box is on three-layer forming net along the horizontal evenly distributed pulp water of paper machine under the effect of conveying assembly, to the high-speed vacuum dehydration of the pulp water on three-layer forming net under the cooperation of water leg case, then transmit the subassembly part that absorbs water by the drive assembly, the low vacuum dehydration obtains wet page, wet page enters into the press portion, bear wet page with the coarse cotton cloth this moment, the coarse cotton cloth can be even cloth pressurization pressure and take away the part and be squeezed the moisture of the wet page that comes out by three-layer forming net, improve the dryness fraction of page, improve the surface property of page simultaneously, eliminate the net mark and increase smoothness, tightness and intensity; then the wet paper is fed into a drying part, and the squeezed wet paper is dried under the support of felt, so that the paper is shrunk, the fiber is tightly combined, and the strength is increased; and the three layers of forming nets of the forming part are continuously and circumferentially transmitted to a position between the inclined net head box and the water leg box under the action of the transmission assembly to carry out next papermaking.

The utility model discloses in, the coarse cotton cloth of stoving portion can choose for use the ration at 1100 grams, and the air permeability is at 40~50cfm, can reduce the influence to the paper machine speed of a motor hour of new coarse cotton cloth.

Three-layer forming net includes surface course, bottom and connects first connecting wire, the second connecting wire of surface course and bottom, and the surface course is woven into plain weave structure by face warp and face weft are crisscross, and the bottom is woven into satin weave structure by bottom warp and bottom weft are crisscross, first connecting wire and second connecting wire are connected from the latitudinal direction respectively the surface course with the bottom.

The utility model discloses in, choose for use the three-layer forming net to be favorable to the paper pulp water to dewater fast, avoid because of improving speed of a motor vehicle back forming net dehydration slow and lead to the page uniformity not good, be applicable to the production of various paper again simultaneously, enlarged inclined wire paper machine's application range.

In the utility model, the aperture ratio of the surface layer can be 36.4-37.0%, and the number ratio of the surface weft to the bottom weft is 2: 1; the radius of the surface warp is 0.12-0.14mm, the radius of the surface weft is 0.12-0.14mm, and the radius of the first connecting line and the radius of the second connecting line are 0.10-0.12 mm; the radius of the bottom layer warp is 0.19-0.22mm, and the radius of the bottom layer weft is 0.22-0.27 mm; the air permeability of the three-layer forming net is 455-465cfm, the critical thickness is 0.47-0.52mm, and the supporting point is 890-930cm²The elongation is 0.21-0.24%.

The front side or the rear side of the box body of the water leg box is connected with at least 6 groups of vacuum water leg pipes, any group of vacuum water leg pipes is provided with a flow regulating system, and outlets of all the vacuum water leg pipes are connected with a closed container with the top being vacuumized.

Inclined wire paper machine is because the concentration of surfing the net is low, needs 6 vacuum water leg pipes of group at least and with the quick desorption of a large amount of plain boiled water, because contain solute, colloid thing and suspended solid in the paper pulp plain boiled water, can not directly discharge, the closed container of top evacuation is outer white cask, can discharge or carry out the plain boiled water retrieval and utilization after the method such as flocculation and precipitation method is handled to the plain boiled water in the outer white cask again, the utility model discloses in, flow control system adjusts every vacuum water leg pipe dehydration uniform unanimity to guarantee that the evenness of paper is better.

The transmission assembly comprises a net driving roller, a plurality of second net guide rollers arranged at the top of the frame and a plurality of first net guide rollers arranged on the frame of the water leg box, and the bottom of the three-layer forming net is sequentially clung to the first net guide rollers, the second net guide rollers and the net driving roller to form circumferential transmission.

The utility model discloses in, the frame is one and falls L type frame, it leads the net roller to fall L type frame top left side and be equipped with a second, the frame top left and right sides of water leg case is equipped with a first net roller of leading respectively, and the frame lower part right side of water leg case is equipped with a first net roller of leading, falls L type frame second and leads the net roller and the left first net roller of leading in frame top of water leg case is in same horizontal line, drives the net roller and locates the left side of the L type frame.

In the utility model, the first and second wire guide rollers are used for supporting the three-layer forming net and guiding the running direction thereof; the net driving roller is used for driving the three-layer forming net to move along a certain direction; the three-layer forming net is continuously driven from the first wire guide roller to the second wire guide roller under the action of the wire drive roller.

The inclined net paper machine further comprises a cleaning assembly, the cleaning assembly comprises a cleaning roller which is arranged between the net driving roller and the machine frame and matched with the top of the three-layer forming net, and a high-pressure water needle is arranged on the machine frame of the water leg box in a matched mode.

In the utility model, after the paper sheet is taken down, the cleaning roller contacts the three-layer forming net under the action of the net driving roller, and the cleaning roller transfers the dirt on the front surface of the forming net to the cleaning roller; the cleaning roller is in contact with the cleaning scraper, and dirt on the cleaning roller can be cleaned by the scraper; the surface of the cleaning roller is plated with chrome, the friction coefficient is small, and the friction between the cleaning roller and the forming net is reduced; the high-pressure water needle is used for cleaning dirt in the three-layer formed meshes after the dirt is scattered; the cleaning roller is combined with the high-pressure water needle, so that the three-layer forming net cannot influence the next papermaking due to dirt.

The water absorption assembly comprises a plurality of vacuum suction boxes, and any vacuum suction box comprises a ceramic panel which is arranged at the top of the box body and provided with an opening.

The utility model discloses in, ceramic panels has advantages such as wear resistance coefficient is high, smoothness degree height, and this just makes the difficult wearing and tearing of three-layer forming net, even the bottom of three-layer forming net can not have "tail" yet after wearing and tearing, can not only effectively improve the paper machine speed of a motor vehicle, can also prolong the life of three-layer forming net.

In the utility model, the paper pulp water still has water after being largely dehydrated by the water leg box, and part of the residual water is gradually removed by arranging a plurality of vacuum suction boxes; the number of the vacuum suction boxes may be 2 or more, and those skilled in the art should understand that the number of the vacuum suction boxes is set as long as partial water suction of the wet paper sheet is satisfied, and those skilled in the art can set the number according to actual conditions. The utility model discloses the vacuum pump in well vacuum suction box is 132KW water ring vacuum pump, and its vacuum can reach-65 KPa, can effectively improve the dryness fraction after wet paper page or leaf squeezes, and its energy consumption is less, can satisfy the demand that vacuum suction box dewaters to multiple paper page or leaf simultaneously.

The top of the frame is provided with a trimming squirt cut which is arranged between two vacuum suction boxes.

In the utility model, the paper sheet on the three-layer forming net is partially dehydrated by the vacuum suction box to form the paper sheet, and then the paper sheet is cut off by the trimming water, so that the paper sheet is prevented from being incapable of being cut off or not obvious due to too wet paper sheet; finally, the water is transferred to one or more vacuum suction box parts at the back for dehydration.

And a net part tensioning device is arranged between the frame and the water leg box.

The net part tensioning device comprises a fixed rack fixed below the rack, an even number of tension rollers arranged side by side are suspended on the fixed rack, a movable adjusting roller arranged opposite to the tension rollers is arranged below the fixed rack, and the top and the bottom of the three-layer forming net are sequentially wound on the tension rollers, and then the bottom of the three-layer forming net is wound on the movable tension rollers to enable the top of the three-layer forming net to be arranged downwards.

The utility model discloses in, because the long-time operation of forming wire can relax, the forming wire portion atress can change when perhaps producing the paper of different grammes per square metre, adjusts forming wire tension through setting up net portion overspeed device tensioner.

The utility model discloses in, the top of three-layer forming net contacts with the first tensioning roller that hangs, then the three-layer forming net passes the tensioning roller that the second hung, then the three-layer forming net passes portable tensioning roller and makes its bottom laminate with the partial circumference of portable tensioning roller mutually, and the three-layer forming net between the tensioning roller that the second hung and the portable tensioning roller is anti-S type. It should be understood by those skilled in the art that the number of tension rolls may be set as long as the control of the tension of the forming wire is satisfied, and those skilled in the art can set the tension according to the actual situation.

The three layers of forming nets between the two tightening rollers form an S-shaped first return section; three layers of forming nets between the second suspended tension roller and the movable tension roller form a second return section, and three layers of forming nets between the movable tension roller and the guide roller on the water leg box form a third return section; the movable tensioning roller moves left and right to adjust the length of the second loop section and the length of the third loop section, and when the three-layer forming net is too long, the movable tensioning roller moves left to increase the length of the loop section, so that the tension of the three-layer forming net is increased.

The utility model discloses in, portable dancer rools include the electric tensioner of a U type, electric tensioner includes the connecting rod of both sides, and the movably bearing frame of installing on the connecting rod, bearing frame and tensioning roller fixed connection, the motor on the tensioning roller passes through the electronic tensioning roller of control, makes tensioning roller bearing frame round trip movement on the connecting rod to realize the portable regulation of tensioning roller, play the tensioning and relax the effect of forming the net, the utility model discloses in, electric tensioner is field knowledge, and the technical staff in the field can set up by oneself according to actual conditions.

The utility model discloses in, through setting up net portion overspeed device tensioner between the type of falling L frame and water leg case, can reduce the area of equipment when guaranteeing the effective moving of equipment to reduce the preparation cost.

And a correcting device is arranged between the transmission assembly and the water leg box, and comprises a correcting roller and a deviation corrector arranged on the left side of the correcting roller.

The utility model discloses in, the ware of rectifying can use photoelectric sensor to detect three-layer forming network border position, judges whether there is the error, if there is the error, then controls the three-layer forming network that the correction roller will take place the deviation position and corrects the tram, through the ware of rectifying and the cooperation of correction roller, prevents the off tracking of three-layer forming network. This is a conventional technical means in the field, and the person skilled in the art can set itself according to the actual situation.

Claims

1. An inclined wire paper machine comprises a forming part, wherein the forming part comprises an inclined wire pulp flow box, and is characterized in that a water leg box is arranged at the bottom of the inclined wire pulp flow box in a matching manner, and the water leg box comprises a box body and a perforated ceramic panel arranged at the top of the box body; the machine frame outside the water leg box is provided with a water absorption assembly in a matching mode, a three-layer forming net is arranged between the water leg box and the inclined net pulp flowing box, and the three-layer forming net is arranged outside the water leg box and the water absorption assembly in an enclosing mode in an end-to-end mode through a transmission assembly.

2. The inclined wire paper machine according to claim 1, wherein the three-layer forming wire comprises a surface layer, a bottom layer, and first connecting wires and second connecting wires connecting the surface layer and the bottom layer, the surface layer is woven by surface warps and surface wefts in a staggered manner to form a plain weave structure, the bottom layer is woven by bottom warps and bottom wefts in a staggered manner to form a satin weave structure, and the first connecting wires and the second connecting wires connect the surface layer and the bottom layer from weft directions, respectively.

3. The inclined wire paper machine as claimed in claim 1, wherein the front side or the rear side of the box body of the water leg box is connected with at least 6 groups of vacuum water leg pipes, any group of vacuum water leg pipes is provided with a flow regulating system, and outlets of all the vacuum water leg pipes are connected with a closed container with a vacuum-pumped top.

4. The inclined wire paper machine as claimed in claim 1, wherein the transmission assembly comprises a wire driving roller, a plurality of second wire guiding rollers arranged on the top of the frame, and a plurality of first wire guiding rollers arranged on the frame of the water leg box, and the bottoms of the three layers of forming wires are sequentially clung to the first wire guiding rollers, the second wire guiding rollers and the wire driving rollers to form circumferential transmission.

5. The inclined wire paper machine according to claim 4, characterized in that the inclined wire paper machine further comprises a cleaning component, the cleaning component comprises a cleaning roller which is arranged between the wire driving roller and the frame and is matched with the top of the three-layer forming wire, and the frame of the water leg box is matched with a high-pressure water needle.

6. The inclined wire paper machine according to claim 1, wherein the suction assembly comprises a plurality of suction boxes, each suction box comprising an open-pored ceramic panel provided at the top of the box.

7. The inclined wire paper machine according to claim 6, wherein a trimming squirt is provided at the top of the frame, and the trimming squirt is provided between two of the vacuum suction boxes.

8. The inclined wire paper machine according to claim 1, wherein a wire tensioning device is provided between the machine frame and the water leg box.

9. The inclined wire paper machine according to claim 8, wherein the wire tensioning device comprises a fixed frame fixed below the frame, an even number of tension rollers arranged side by side are suspended on the fixed frame, a movable adjusting roller arranged opposite to the tension rollers is arranged below the fixed frame, and after the top and bottom of the three-layer forming wire are sequentially wound on the tension rollers, the movable tension rollers are wound on the bottom of the three-layer forming wire to make the top of the three-layer forming wire arranged downward.

10. The inclined wire paper machine according to claim 1, wherein a correcting device is provided between the driving assembly and the water leg box, and the correcting device comprises a correcting roller and a corrector provided at the left side of the correcting roller.