CN109667179B - Pulverizer and absorber manufacturing device using same - Google Patents
Pulverizer and absorber manufacturing device using same Download PDFInfo
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- CN109667179B CN109667179B CN201811648918.1A CN201811648918A CN109667179B CN 109667179 B CN109667179 B CN 109667179B CN 201811648918 A CN201811648918 A CN 201811648918A CN 109667179 B CN109667179 B CN 109667179B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/061—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods using cutting devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
The invention discloses a pulverizer, which comprises a cutter roller for pulverizing paper pulp sheets, a shell, wherein one side of the shell is provided with a feed inlet matched with the paper pulp sheets in size, a feed device is further arranged in front of the feed inlet, the other side of the shell is provided with a discharge outlet for discharging paper pulp fibers from the shell, and a discharge pipeline arranged along the vertical direction is arranged below the discharge outlet; the upper part of the discharging pipeline is communicated with an air inlet unit, and the lower part of the discharging pipeline is connected with an air suction functional unit. According to the invention, through the design of the feeding device, the knife roller and the discharging device thereof, the processing efficiency of the equipment is greatly improved, the energy consumption is reduced, the stability and the service life of the equipment are improved, and the device can be widely applied to the technical field of processing of disposable products.
Description
Technical Field
The invention relates to the field of processing of disposable sanitary products, in particular to a pulverizer and an absorber manufacturing device adopting the pulverizer.
Background
In the production and processing of disposable sanitary articles, a pulp sheet grinder is an important device of the production line. The main structure of the device comprises a knife roller, a feeding device arranged in front of the knife roller, a discharging device arranged behind the knife roller and an air inlet device assisting in discharging. The existing pulverizer mainly has the following problems; problem one: the feeding mode, current feed arrangement adopts the single channel to carry out the structure mostly, adopts the cylinder to press from both sides and the mode feed that motor drive was rotated. The single-channel feeding has the problems of complicated material breaking and receiving operation and inconvenient automatic control. And a second problem: the structural design of the crushing roller has the problems of low crushing capacity, poor high-speed rotation stability and large vibration noise. For example, chinese patent application No. 200410065362.5 discloses a wood pulp grinder, wherein the crushing roller comprises tooth sheets, tooth number, the tooth number is 20, each tooth sheet is staggered by 6 degrees in the clockwise direction, the diameter of the tooth sheet is 310mm, the thickness of the tooth sheet is 4mm, and the tooth space angle is 75 degrees. By fitting the crushing blade on the intermediate shaft. The crushing blade is provided with holes, each tooth piece is positioned by means of 12 index holes, adjacent blades are arranged in a staggered mode, the left end and the right end of the intermediate shaft are provided with pressing flanges and fastening nuts, the pressing flanges are connected with the shaft through key grooves, and a screw rod penetrates through the blades and the spacing pieces to be fixed on the intermediate shaft. The device has larger shearing force and low service life in the running process of the device. And the number of teeth is too small, the outer diameter of the crushing roller is smaller, and the crushing capacity is low. The rotation speed of the main shaft needs to be increased when the same raw materials are crushed. The equipment stability is poor and the mechanical vibration is large.
Problem three: the discharging mode is as follows: most of the prior sanitary product pulp fiber discharging modes are horizontal discharging or inclined discharging. That is, the discharge port is horizontally arranged in structural arrangement, the upper part of the cutter disc is of a sealed structure, the lower part of the cutter disc is of an air inlet and air supplementing structure, the cutter disc rotates to be the lower part, when decomposed objects enter the lower part of the cutter disc, air blown in by the air inlet is directly sent to the discharge port, and the next forming process is carried out. The discharge port is designed to be completely closed. As disclosed in chinese patent application No. CN200610154673.8, an opening body for producing treated pulp, semi-treated pulp and untreated pulp and an opening machine thereof, the opening body is located on a material frame, a pulp board folding mechanism is located in front of a double-layer feeding port of the opening body and on the material frame, a cutting knife assembly is located in front of the pulp board folding mechanism and on the material frame, the cutting knife assembly is driven by a conveying mechanism driving motor and a transmission mechanism to cut the cutting knife assembly, and the cut material board is conveyed to the pulp board folding mechanism through the conveying mechanism and folded into double layers through the pulp board folding mechanism, and then the double-layer material board is conveyed into the opening body through a feeding assembly in the opening body for opening the opening body. The disadvantage of this structure is that the air inlet is provided at the lower part and cannot inhibit pulp fibers from being led out to the outside.
Fourth problem: the air inlet device is horizontally arranged on the structural arrangement, the upper part of the cutter disc is of a sealed structure, the lower part of the cutter disc is of an air inlet and air supplementing structure, the cutter disc rotates to be the lower part, when decomposed objects enter the lower part of the cutter disc after being decomposed, air blown in by the air inlet is directly sent to the discharge port, and the next forming process is carried out. The discharge port is designed to be completely closed. As described in the device of chinese patent application No. 200610154673.8 mentioned in problem three. This air inlet structure, amount of wind size adjustment is inconvenient, simultaneously, also can not fine control the flow direction of wind speed, is unfavorable for the ejection of compact of paper pulp fibre, causes paper pulp fibre's jam easily.
Disclosure of Invention
In order to overcome the technical problems, the invention provides a pulverizer and an absorber manufacturing device adopting the pulverizer.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a rubbing crusher for smash pulp sheet and generate pulp fiber, including the cutter roll that is used for smashing pulp sheet, the cutter roll sets up along the horizontal direction, is provided with the casing of covering the cutter roll in the inside in the outside of cutter roll, one side of casing be provided with pulp sheet size looks adaptation's feed inlet, its characterized in that: a guiding-out port for guiding out pulp fibers from the shell is arranged at the other side of the shell, and a discharging pipeline arranged along the vertical direction is arranged below the guiding-out port;
an air inlet unit is communicated with the upper part of the discharging pipeline, and the lower part of the discharging pipeline is connected with an air suction functional unit;
the air inlet unit comprises a main air inlet plate fixedly arranged on the shell, the main air inlet plate is positioned at the top of the discharge pipeline, one end, far away from the shell, of the main air inlet plate is also connected with a side air inlet plate, a lower sealing plate is arranged between the side air inlet plate and the outer wall of the main air inlet pipeline, and the main air inlet plate, the side air inlet plate and the lower sealing plate are surrounded to form the main air inlet pipeline.
In order to facilitate the adjustment of the air inlet quantity and the adjustment of the air inlet flow direction, a group of air inlets are arranged on the main air inlet plate and the side air inlet plate along the axial direction of the knife roller, and a group of plugboards capable of moving back and forth on the main air inlet plate and the side air inlet plate for adjusting the size of the air inlets are also respectively arranged on the main air inlet plate and the side air inlet plate.
For the convenience overhauls discharge tube, be provided with the access hole on discharge tube's the outer wall, be provided with the apron on the access hole, the both ends of apron pass through bolt fixed mounting on discharge tube's the outer wall.
The utility model provides a crushing capability of a strip knife roller and convenient installation, the knife roller comprises a rotating shaft, a group of crushing blades which are arranged on the rotating shaft and used for crushing paper pulp sheets, the crushing blades are of a disc-shaped structure, a group of crushing knife teeth are uniformly arranged on the outer circumference of the crushing blades, the center of the crushing blade is provided with a mounting hole fixedly connected to the rotating shaft, a group of key grooves are uniformly distributed along the outer circumference of the mounting hole, the rotating shaft is provided with a connecting key matched with the key grooves, and the crushing blade is connected with the rotating shaft through a key and limits the position of the crushing blade in the circumferential direction; the crushing blades on the whole rotating shaft are arranged, the key groove matched with the connecting key on the next crushing blade is an adjacent key groove in the anticlockwise or clockwise direction of the key groove matched with the connecting key on the last crushing blade, and the arrangement structure enables the cutting edges of all the crushing blades to be spirally arranged on the rotating shaft.
Preferably, 10 key grooves are uniformly distributed on the crushing blade along the circumferential direction of the mounting hole, and 24 crushing cutter teeth are arranged.
In order to realize continuous uninterrupted feeding, the automatic control is convenient, a feeding device is arranged on a conveying line along a paper pulp sheet, the feeding device comprises fixing assemblies positioned at two sides of the paper pulp sheet in the conveying direction, an upper feeding assembly and a lower feeding assembly which are arranged between the two fixing assemblies, the upper feeding assembly comprises an upper fixing roller and an upper floating roller which are mutually matched, and the paper pulp sheet passes between the upper fixing roller and the upper floating roller; the lower feeding assembly comprises a lower fixed roller and a lower floating roller, the pulp sheet passes through the space between the lower fixed roller and the lower floating roller, a transmission gear meshed with each other is arranged at one ends of the upper fixed roller and the upper floating roller, a transmission gear meshed with each other is arranged between the lower fixed roller and the lower floating roller, an upper driving system for driving the upper fixed roller to rotate is arranged at the other end of the upper fixed roller opposite to the transmission gear, and a lower driving system for driving the lower fixed roller to rotate is arranged at the other end of the lower fixed roller opposite to the transmission gear.
Further, the two fixing assemblies are respectively provided with an upper aligning bearing for supporting the upper floating roller, the upper aligning bearings can slide up and down on the fixing assemblies, the upper aligning bearings are fixedly provided with upper adjusting rods for driving the upper aligning bearings to slide up and down, and the other ends of the upper adjusting rods are connected with an upper power source; the two fixing components are also provided with a lower aligning bearing for supporting the lower floating roller, the lower aligning bearing can slide up and down on the fixing components, the lower aligning bearing is fixedly provided with a lower adjusting rod for driving the lower aligning bearing to slide up and down, and the other end of the lower adjusting rod is connected with a lower power source.
In order to ensure feeding precision, increase friction force and prevent paper pulp sheet from skidding, the surfaces of the upper fixed roller, the upper floating roller, the lower fixed roller and the lower floating roller are provided with knurls, and a group of interval grooves are also formed.
In order to prevent the pulp sheet from being pulled after entering the feeding assembly to cause abrasion of equipment, a pressing assembly for pressing and positioning the rolled pulp sheet is arranged in front of the upper feeding assembly and the lower feeding assembly along the feeding direction of the pulp sheet;
the pressing assembly comprises a bracket with a supporting function, an upper conveying plate which is arranged on the bracket and corresponds to the upper feeding assembly, an upper pressing plate is further arranged above the upper conveying plate, the upper pressing plate is fixedly arranged on the bracket relative to two sides of the paper pulp sheet conveying direction, and the paper pulp sheet passes through between the upper conveying plate and the upper pressing plate; the lower conveying plate corresponding to the lower feeding assembly is further arranged below the upper conveying plate, and a lower pressing plate is arranged above the lower conveying plate.
As another subject of the invention, an absorber manufacturing apparatus for manufacturing an absorber, comprising said pulverizer; a fiber stacker for forming the pulp fibers crushed by the crusher into a predetermined absorber shape, and a duct for guiding the pulp fibers from the crusher to the fiber stacker.
The invention has the beneficial effects that: according to the invention, through adjustment of the feeding device, the two feeding structures are used for alternately feeding, continuous and uninterrupted feeding can be completed, and the automatic control of the whole disposable product production line is more convenient. Meanwhile, the structure of the knife roller is adjusted, the crushing capacity of the knife blade and the strength of the knife blade are improved by increasing the number of teeth of the crushing knife blade and reducing the tooth space angle, and meanwhile, the rotating speed of the knife roller is reduced, and the running stability of equipment is improved; and the blade structure is convenient to process and assemble, and the production efficiency is improved. The vertical discharging mode can easily fall down pulp fibers under the action of the air inlet unit, improves fiber accumulating precision, and can not cause the problem of accumulating pulp fibers when the machine stops running or emergently stops. Thereby reducing the times of overhauling the discharge pipeline. And an overhaul port is arranged on the discharge pipeline, so that overhaul treatment is convenient. The adjusting plate is convenient to adjust the matching position of the upper part of the discharging pipeline and the knife roller, so that the discharging amount of the knife roller in unit time is adjusted. The air inlet unit is provided with a main air inlet plate and a side air inlet plate, and is matched with the discharge pipeline below when the air inlet amount is increased, and better air flow can be formed through adjustment of the plugboard, so that pulp fibers are conveniently sucked to the outlet of the discharge pipeline.
The invention will be described in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a pressing assembly according to the present invention.
Fig. 2 is a side view of a feed device in accordance with the present invention.
FIG. 3 is a cross-sectional view of A-A in the present invention.
Fig. 4 is a schematic structural view of a fixed roller and a dancer roller according to the present invention.
Fig. 5 is a half cross-sectional view of a knife roll in accordance with the present invention.
Fig. 6 is a partial enlarged view of a in fig. 5.
Fig. 7 is a side view of the crushing blade assembly of the present invention.
Fig. 8 is an assembled cross-sectional view of a knife roll in accordance with the present invention.
Fig. 9 is a cross-sectional view of the housing of the present invention.
Fig. 10 is a partial enlarged view of a in fig. 9.
FIG. 11 is a top view of the primary air intake of the present invention.
Detailed Description
An embodiment, a grinder for grinding pulp sheets, as shown in fig. 8 to 11, includes a cutter roller 1 for grinding pulp sheets into pulp fibers, the cutter roller 1 is disposed along a horizontal direction, a housing 2 for covering the cutter roller 1 inside is disposed outside the cutter roller 1, the housing 2 is of a cylindrical structure as a whole, and sealing plates 319 are disposed at both ends of the housing 2, and both ends are sealed. One side of the shell 2 is provided with a pulp sheet feeding port 3, the other side of the shell 2 is provided with a guiding-out port 4 for guiding out pulp fibers from the shell 2, and a discharging pipeline 5 arranged along the vertical direction is arranged below the guiding-out port 4. The upper end of the inner side wall 5a of the discharging pipeline 5 is hermetically connected with the bottom dead center 4a of the outlet 4.
The inside wall 5a of the discharging pipeline 5 is also provided with an adjusting plate 6 which can move up and down along the inside wall 5a, the upper end of the adjusting plate 6 is clamped between the inside wall 5a and the bottom dead center 4a of the outlet 4, and the size of the outlet 4 can be conveniently adjusted by the up-and-down movement of the adjusting plate 6. The adjusting plate 6 is provided with a pressing plate fixing plate 7 on the other surface pressed on the inner side wall 5a, the lower end of the pressing plate fixing plate 7 is provided with a mounting end head 7a, the mounting end head 7a is pressed on the inner side wall 5a and fixed through a bolt, and the upper end of the pressing plate fixing plate 7 is provided with an inclined surface 7b pressed on the outer wall of the shell 2. The pressure plate fixing plate 7 is provided with a strip-shaped chute (not shown) along the feeding direction of the discharging pipeline 5, the adjusting plate 6 is fixedly provided with a screw rod (not shown), and the screw rod drives the adjusting plate 6 to move back and forth in the strip-shaped chute and is fixed through a nut.
The outer wall 5b of the discharging pipeline 5 is provided with an access hole 5c, the access hole 5c is provided with a cover plate 8, and two ends of the cover plate 8 are fixedly arranged on the outer wall 5b of the discharging pipeline 5 through bolts. When pulp fiber is blocked, the cover plate 8 can be opened to enter for overhauling, so that later maintenance is convenient.
The lower part of the discharging pipeline 5 is connected with an air suction functional unit 9, an air inlet unit is communicated with the upper part of the discharging pipeline 5, and pulp fibers are driven to be sent to a device of the next process from the outlet 4 through the discharging pipeline 5 by air suction of the air suction functional unit 9.
In order to facilitate the adjustment and the improvement of the air inlet quantity and simultaneously facilitate the formation of better carrying airflow, so that pulp fibers are rapidly sent out without accumulation, the invention also carries out the optimization design on the air inlet unit, and the invention is specifically described as follows:
the top dead center 4b of the outlet 4 is provided with a main air inlet plate 310 in an outward extending manner, and the main air inlet plate 310 is arranged perpendicular to the tangential direction of the shell 2 at the position of the outlet 4. A side air inlet plate 311 is further connected and arranged below one end of the main air inlet plate 310 far away from the shell 2, the side air inlet plate 311 and the main air inlet plate 310 are mutually perpendicular, a lower sealing plate 312 is arranged between the side air inlet plate 311 and the outer wall 5b of the discharge pipeline 5, and the main air inlet plate 310, the side air inlet plate 311 and the lower sealing plate 312 are surrounded to form a main air inlet pipeline 313. The provision of both the main air inlet plate 310 and the side air inlet plate 311 can increase the maximum air inlet amount.
The upper half part of the lower sealing plate 312 is an arc-shaped structure 312a which is upwards arched, the lower half part is a straight cylinder structure which is matched with the outer wall 5b of the discharging pipeline 5, and the arc-shaped structure 312a can change the flow direction of air inlet and better adapt to the discharging of the outlet 4. The lower sealing plate 312 is fixedly connected with the outer wall 5b of the discharge pipeline 5 through a bending bracket 314, the bending bracket 314 is simultaneously pressed on the lower sealing plate 312 and the outer wall 5b of the discharge pipeline 5, and the fixed sealing connection between the lower sealing plate 312 and the outer wall 5b is realized through two fixing bolts, wherein one bolt fixes the bending bracket 314 with the lower sealing plate 312. Another bolt secures the bending bracket 314 to the outer wall 5 b.
For better air intake adjustment, a group of air inlets 315 are arranged on the main air inlet plate 310 and the side air inlet plate 311 side by side along the axial direction of the knife roller 1, and a group of plugboards 316 which can move back and forth on the main air inlet plate 310 and the side air inlet plate 311 and are used for adjusting the sizes of the air inlets 315 are respectively arranged on the main air inlet plate 310 and the side air inlet plate 311. The insert plate 316 covers two air inlets 315 at the same time, an adjusting groove 3161 is arranged on the insert plate 316 along the length direction of the air inlets 315, a positioning bolt 317 penetrating through the adjusting groove 3161 and having one end fixed on the main air inlet plate 310 or the side air inlet plate 311 is arranged, and a positioning nut 318 pressing the insert plate 316 is arranged on the positioning bolt 318. The air inlet amount of each air inlet 315 is adjusted through the sliding plugboard 316, so that more proper air amount and flow direction and better pulp fiber conveying are obtained. To facilitate movement of the insert 316, the insert 16 is also provided with a bent tab 3162 at its end.
Through adjusting the direction of ejection of compact pipeline, change the ejection of compact pipeline into vertical decurrent ejection of compact mode, paper pulp fiber can fall easily under the effect of air inlet unit, improves the fine precision of ponding, produces paper pulp fiber's accumulational problem when machine operation stop or emergency stop can not appear. Thereby reducing the times of overhauling the discharge pipeline. And an overhaul port is arranged on the discharge pipeline, so that overhaul treatment is convenient. The adjusting plate is convenient to adjust the matching position of the upper part of the discharging pipeline and the knife roller, so that the discharging amount of the knife roller in unit time is adjusted. The air inlet unit is provided with a main air inlet plate and a side air inlet plate, and is matched with the discharge pipeline below when the air inlet amount is increased, and better air flow can be formed through adjustment of the plugboard, so that pulp fibers are conveniently sucked to the outlet of the discharge pipeline.
As shown in fig. 5 to 8, the cutter roll 1 includes a rotation shaft 11, a set of crushing blades 12 mounted on the rotation shaft for crushing pulp sheets, and a main body of the rotation shaft 11 and the crushing blades 12 are disposed in a crusher housing. The rotary shaft 11 includes a main shaft 1101 connected to a power source, preferably a driving motor, and the main shaft 101 is mounted on a support base 18 through bearings 17 at both ends. A blade support shaft 1102 is fixedly mounted on the main shaft 1101, and the crushing blades 12 are mounted on the blade support shaft 1102.
The crushing blade 12 is of a disc-shaped structure, a group of crushing cutter teeth 1201 are uniformly arranged on the outer circumference of the crushing blade 12, and in order to reduce the rotating speed of the main shaft 1101 and reduce the use power of a driving motor, the outer diameter of the crushing blade is 370mm. The center of smashing blade 12 is provided with the mounting hole 1202 of fixed connection on blade back shaft 1102, has ten key ways 1203 that the size is the same along the equipartition on the outer circumference of mounting hole, be provided with two connecting keys 13 on the blade back shaft 1102 symmetry, smashing blade 12 passes through key way 1203 and connecting key 13 cooperation and installs on blade back shaft 1102. With the leftmost or rightmost crushing blade 12 as the mounting reference, adjacent crushing blades 12 are arranged in a staggered manner according to the anticlockwise or clockwise direction of the key groove 1203, namely, the key groove 1203 matched with the connecting key 13 on the next crushing blade 12 is one key groove 1203 adjacent in the anticlockwise or clockwise direction of the key groove 1203 matched with the connecting key 13 on the last crushing blade 12, and the arrangement structure enables the whole crushing blade 12 to be in a spiral state on the blade supporting shaft 1102. For convenience in installation, the key grooves 1203 on the crushing blades 12 may be sequentially numbered, for example, the key grooves 1203 are coded from 1 to 10 in a clockwise direction, when in installation, a connection key 13 is used as an installation reference, the leftmost or rightmost installation is performed from the leftmost side of the blade support shaft 1102, the key groove 1203 No. 1 of the first crushing blade 12 is matched with the connection key 13, the key groove 1203 No. 2 of the second crushing blade 12 is matched with the connection key 13 until the key groove 1203 No. 10 of the tenth crushing blade 12 is matched with the connection key 13, and then the next crushing blade 12 returns to the key groove 1203 No. 1 to be matched with the connection key 13, so that the installation arrangement is circulated. The crushing cutter teeth 1203 are provided with 24 crushing cutter teeth, and the arrangement structure enables the relative dislocation rotation angle of two adjacent crushing cutter blades 12 to be 6 degrees.
In order to improve the strength of the crushing blade 12, the thickness of the crushing blade 12 is 3.2mm, the inter-tooth angle of the crushing cutter teeth 1201 is 15 degrees, in order to further improve the durability of the crushing blade 12 and reduce the abrasion during the shearing of the pulp sheet, the cutting edge 1204 of the crushing cutter teeth 1201, which is contacted with the pulp sheet, is made of hard alloy material, and the cutting edge 1204 is fixed on the crushing cutter teeth 201 by welding. To further increase the overall crush tooth 1201 capacity, the overall crush tooth 1201 may also be formed of cemented carbide material and secured by welding to a disk intermediate the crush blades 12.
To ensure that a desired crushing gap is left between two adjacent crushing blades 12, a spacer 14 for separating the two crushing blades 12 is further provided between the adjacent crushing blades 12. The compression flange 16 for fastening the crushing blades is further installed at two ends of the whole group of crushing blades 12, the compression flange 16 is sleeved on the main shaft 1101, the compression surface of the compression flange 16 is pressed on the outer surface of the crushing blades 12, and the special fastener 16 is connected with the side surface of the blade supporting shaft 1102 through a bolt, and the crushing blades 12 are compressed through a rotating bolt, so that static and dynamic balance of the whole device is adjusted, mechanical vibration is reduced, and stability of equipment is improved.
A press assembly and a feed assembly are sequentially provided in the pulp sheet conveying direction before the pulp sheet feed port 3. The paper pulp sheet is pressed and positioned by the pressing assembly after being wound out from the winding drum, so that the position of the paper pulp sheet corresponds to the feeding assembly. As shown in fig. 1 to 4, the specific structure of the pressing assembly comprises a bracket 21 with a supporting function, wherein an upper pressing structure and a lower pressing structure are arranged on the bracket 21, the upper pressing structure comprises an upper conveying plate 22 arranged on the bracket 21, an upper pressing plate 23 is further arranged above the upper conveying plate 22, the upper pressing plate 23 is fixedly arranged on the bracket 21 relative to two sides of the paper pulp sheet in the conveying direction, and the paper pulp sheet passes through between the upper conveying plate 22 and the upper pressing plate 23, so that the effect of leveling and positioning the paper pulp sheet is achieved; a lower conveying plate 24 is further arranged below the upper conveying plate 22, and a lower pressing plate 25 is arranged above the lower conveying plate 24. The pulp sheet passes between the lower conveying plate 24 and the lower pressing plate 25, so that the effect of leveling and positioning the pulp sheet is achieved. The flattened positioned pulp sheet is conveyed into a feed assembly.
The feed assemblies include an upper feed assembly corresponding to the pulp sheet conveyed by the upper conveying plate 22 and a lower feed assembly corresponding to the pulp sheet conveyed by the lower conveying plate 24. The upper feeding component and the lower feeding component are both installed on the fixed component. The fixing assembly comprises a base 26, and a left fixing plate 27 and a right fixing plate 28 which are fixedly arranged on the base 26, wherein the left fixing plate 27 and the right fixing plate 28 are respectively arranged on two sides of the feeding direction of the pulp sheet.
The upper feed assembly comprises an upper fixed roll 29 and an upper dancer roll 210 cooperating with each other, and the lower feed assembly comprises a lower fixed roll 211 and a lower dancer roll 212 cooperating with each other, and the pulp sheet is transported from the upper fixed roll 229 and the upper dancer roll 210 or from between the lower fixed roll 211 and the lower dancer roll 212 to the mill train. In order to increase friction with the pulp sheet and to ensure accuracy of feeding, the surfaces of the upper fixed roller 29, the upper dancer roller 210, the lower fixed roller 211 and the lower dancer roller 212 are provided with knurls, which are preferably straight knurls arranged in the axial direction of each roller. For convenient processing, a group of spacing grooves a are arranged on each roller, so that the knurling is convenient to process and shape.
The upper and lower fixing rollers 29 and 211 are mounted at both ends thereof on a pair of seated outer spherical ball bearings 213, and the seated outer spherical ball bearings 213 are fixedly mounted on the left and right fixing plates 27 and 28. The two ends of the upper floating roller 210 are provided with a pair of upper aligning bearings 214, and the upper aligning bearings 214 are movably mounted on the left fixing plate 27 and the right fixing plate 28, so that the upper floating roller 210 and the upper aligning bearings 214 can move up and down, thereby adjusting the distance between the upper floating roller 210 and the upper fixing roller 29, and being used for adjusting the friction force during the pulp sheet conveying. For convenient control and adjustment, an upper adjusting rod 215 is fixedly connected to the upper aligning bearing 214, the other end of the upper adjusting rod 215 is connected with a driving cylinder 216, and the driving cylinder 216 is used as a power source to facilitate automatic control. The lower floating roller 212 has a mounting structure consistent with that of the upper floating roller 210, and comprises lower aligning bearings 217 mounted at two ends of the lower floating roller 212, wherein a lower adjusting rod 218 is fixedly connected to the lower aligning bearings 217, and the other end of the lower adjusting rod 218 is connected with a driving cylinder 216. An upper cylinder fixing plate 219 and a lower cylinder fixing plate 220 are respectively arranged between the left fixing plate 27 and the right fixing plate 28, a driving cylinder 216 for controlling the movement of the upper aligning bearing 214 is fixedly arranged on the upper cylinder fixing plate 219, and a driving cylinder 216 for controlling the movement of the lower aligning bearing 217 is fixedly arranged on the lower cylinder fixing plate 220.
One ends of the upper fixed roller 29 and the upper floating roller 210 are connected by a pair of transmission gears 221 meshed with each other, and the transmission gears 221 enable the upper fixed roller 29 and the upper floating roller 210 to move towards each other, so that pulp sheets are driven to be fed. One ends of the lower fixed roller 211 and the lower dancer roller 212 are also connected by a pair of intermeshing transfer gears 221. The other end of the upper fixed roller 29 opposite to the transmission gear 221 is provided with an upper driving system for driving the upper fixed roller 29 to rotate, and the other end of the lower fixed roller 211 opposite to the transmission gear 221 is provided with a lower driving system for driving the lower fixed roller 211 to rotate.
A motor mounting plate 222 is provided on one side of the left fixing plate 27, and the motor mounting plate 222 is locked to the left fixing plate 27 through a stay 223. The upper driving system comprises an upper driving motor 224, the upper driving motor 224 is arranged on an upper motor fixing plate 225, the upper motor fixing plate 225 is movably arranged on a motor mounting plate 222, and an upper adjusting seat 226 for driving the upper motor fixing plate 225 to move up and down is further arranged on the motor mounting plate 222 and used for adjusting the position of the upper driving motor 224. An upper driving sprocket 227 is mounted at the output end of the upper driving motor 224, an upper driven sprocket 228 is mounted at the other end of the upper fixed roller 29 opposite to the transmission gear 221, and the upper driving sprocket 227 and the upper driven sprocket 228 are transmitted by an upper transmission chain 229. The upper driving motor 224 rotates to drive the upper fixed roller 29 to rotate, the upper floating roller 210 rotates together with the upper fixed roller 29 under the action of the transmission gear 221, and the rotation directions of the upper fixed roller 29 and the upper floating roller 210 are opposite.
The lower driving system comprises a lower driving motor 230, the lower driving motor 230 is mounted on a lower motor fixing plate 231, the lower motor fixing plate 231 is movably mounted on a motor mounting plate 222, and an upper adjusting seat 232 for driving the lower motor fixing plate 231 to move up and down is further arranged on the motor mounting plate 222 and used for adjusting the position of the lower driving motor 230. The output end of the lower driving motor 230 is provided with a lower driving sprocket plate 233, the other end of the lower fixed roller 211 opposite to the transmission gear 221 is provided with a lower driven sprocket plate 234, and the lower driving sprocket plate 233 and the lower driven sprocket plate 234 are transmitted by a lower transmission chain 235.
The fixed roller is matched with the floating roller, the fixed roller provides a reference for feeding, feeding precision is guaranteed, the floating roller conveniently adjusts a gap between the fixed roller and the fixed roller, and accordingly feeding friction force of the pulp sheet is adjusted, optimal pulp sheet conveying force is obtained, normal input of the pulp sheet is guaranteed, and loss of equipment can be reduced. The floating roller is adjusted by adopting a driving cylinder, so that the automatic control is convenient. The structure of the driving system has the advantages of reliable transmission, small vibration and high stability. The fixed roller and the floating roller are provided with knurls, so that friction between the fixed roller and the paper pulp sheet can be increased, the conveying stability is improved, and the feeding precision is ensured. And the fixed roller and the floating roller are also provided with spacing grooves, so that knurling is convenient to process. The pressing assembly can be leveled and positioned before the pulp sheet enters the feeding assembly, so that the pulp sheet can smoothly enter the feeding assembly to be conveyed, unnecessary abrasion is reduced, the operation of the whole equipment is more stable, and the energy consumption is lower.
Through the design to this rubbing crusher above several points, can effectively improve the operation energy consumption of equipment, improve the crushing efficiency of equipment, reduce the vibrations of equipment and noise thereof, prolong the life of equipment, be convenient for automated control.
The absorber manufacturing device of the pulverizer is further provided with a fiber stacker after the pulverizer, pulp fibers pulverized by the pulverizer are formed into a preset absorber shape, and a conduit guides the pulp fibers from the pulverizer to the fiber stacker. The conduit connection is connected with a discharge pipeline 5 of the pulverizer. The duct and the fiber stacker are all of the prior art, such as the pulverizer and the absorber manufacturing device disclosed in chinese patent application No. 201320615207.0, and a solution of the duct and the fiber stacker is disclosed, and the specific structure of the duct and the fiber stacker is not repeated here.
Through the double-feeding pulp sheet crushing device, the upper feeding component and the lower feeding component can be alternately fed, so that the continuity of equipment is ensured, and the automatic control is more convenient. The floating roller is convenient to adjust the friction force of feeding so as to obtain the optimal feeding effect and reduce the loss of equipment. The pressing assembly can be leveled and positioned before the pulp sheet enters the feeding assembly, so that the pulp sheet can smoothly enter the feeding assembly to be conveyed, unnecessary abrasion is reduced, the operation of the whole equipment is more stable, and the energy consumption is lower.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (7)
1. The utility model provides a rubbing crusher for smash pulp sheet and generate pulp fiber, including the cutter roll that is used for smashing pulp sheet, the cutter roll sets up along the horizontal direction, is provided with the casing of covering the cutter roll in the inside in the outside of cutter roll, one side of casing be provided with pulp sheet size looks adaptation's feed inlet, its characterized in that: a guiding-out port for guiding out pulp fibers from the shell is arranged at the other side of the shell, and a discharging pipeline arranged along the vertical direction is arranged below the guiding-out port; an air inlet unit is communicated with the upper part of the discharging pipeline, and the lower part of the discharging pipeline is connected with an air suction functional unit; the air inlet unit comprises a main air inlet plate, wherein one end of the main air inlet plate is fixedly arranged on the shell, the main air inlet plate is positioned at the top of the discharge pipeline, one end of the main air inlet plate, which is far away from the shell, is also connected with a side air inlet plate, a lower sealing plate is arranged between the side air inlet plate and the outer wall of the main air inlet pipeline, and the main air inlet plate, the side air inlet plate and the lower sealing plate are surrounded to form the main air inlet pipeline;
the cutter roller comprises a rotating shaft, a group of crushing blades which are arranged on the rotating shaft and used for crushing paper pulp sheets, the crushing blades are of a disc-shaped structure, a group of crushing cutter teeth are uniformly arranged on the outer circumference of the crushing blades, the center of the crushing blades is provided with a mounting hole fixedly connected to the rotating shaft, a group of key grooves are uniformly distributed on the outer circumference of the mounting hole, the rotating shaft is provided with a connecting key matched with the key grooves, and the crushing blades are connected with the rotating shaft through the key and limit the position of the crushing blades in the circumferential direction; the crushing blades on the whole rotating shaft are arranged, the key slot matched with the connecting key on the next crushing blade is an adjacent key slot in the anticlockwise or clockwise direction of the key slot matched with the connecting key on the last crushing blade, and the arrangement structure ensures that the cutting edges of all the crushing blades are spirally arranged on the rotating shaft;
a feeding device is arranged on a conveying line of the pulp sheet, the feeding device comprises fixing assemblies positioned at two sides of the conveying direction of the pulp sheet, an upper feeding assembly and a lower feeding assembly are arranged between the two fixing assemblies, the upper feeding assembly comprises an upper fixing roller and an upper floating roller which are matched with each other, and the pulp sheet passes between the upper fixing roller and the upper floating roller; the lower feeding assembly comprises a lower fixed roller and a lower floating roller, the pulp sheet passes through between the lower fixed roller and the lower floating roller, a transmission gear meshed with each other is arranged at one end of the upper fixed roller and one end of the upper floating roller, a transmission gear meshed with each other is arranged between the lower fixed roller and the lower floating roller, an upper driving system for driving the upper fixed roller to rotate is arranged at the other end of the upper fixed roller opposite to the transmission gear, and a lower driving system for driving the lower fixed roller to rotate is arranged at the other end of the lower fixed roller opposite to the transmission gear;
a group of air inlets are arranged on the main air inlet plate and the side air inlet plate along the axial direction of the knife roller, and a group of plugboards capable of moving back and forth on the main air inlet plate and the side air inlet plate and used for adjusting the sizes of the air inlets are also respectively arranged on the main air inlet plate and the side air inlet plate.
2. A shredder according to claim 1, wherein: the discharging pipeline is characterized in that an access hole is formed in the outer wall of the discharging pipeline, a cover plate is arranged on the access hole, and two ends of the cover plate are fixedly arranged on the outer wall of the discharging pipeline through bolts.
3. A shredder according to claim 1, wherein: 10 key grooves are uniformly distributed on the crushing blade along the circumferential direction of the mounting hole, and 24 crushing cutter teeth are arranged.
4. A shredder according to claim 1, wherein: the upper self-aligning bearings can slide up and down on the fixed components, an upper adjusting rod for driving the upper self-aligning bearings to slide up and down is fixed on the upper self-aligning bearings, and the other end of the upper adjusting rod is connected with an upper power source; the two fixing components are also provided with a lower aligning bearing for supporting the lower floating roller, the lower aligning bearing can slide up and down on the fixing components, the lower aligning bearing is fixedly provided with a lower adjusting rod for driving the lower aligning bearing to slide up and down, and the other end of the lower adjusting rod is connected with a lower power source.
5. A shredder according to claim 1, wherein: the upper fixed roller, the upper floating roller, the lower fixed roller and the lower floating roller are respectively provided with knurls on the surfaces and a group of interval grooves.
6. A shredder according to claim 4 or claim 5, wherein: a pressing assembly for pressing and positioning the rolled paper pulp sheet is arranged in front of the upper feeding assembly and the lower feeding assembly along the feeding direction of the paper pulp sheet; the pressing assembly comprises a bracket with a supporting function, an upper conveying plate which is arranged on the bracket and corresponds to the upper feeding assembly, an upper pressing plate is further arranged above the upper conveying plate, the upper pressing plate is fixedly arranged on the bracket relative to two sides of the paper pulp sheet conveying direction, and the paper pulp sheet passes through between the upper conveying plate and the upper pressing plate; the lower conveying plate corresponding to the lower feeding assembly is further arranged below the upper conveying plate, and a lower pressing plate is arranged above the lower conveying plate.
7. An absorber manufacturing apparatus for manufacturing an absorber, characterized in that: comprising a shredder according to any of claims 1 to 6; a fiber stacker for forming the pulp fibers crushed by the crusher into a predetermined absorber shape, and a duct for guiding the pulp fibers from the crusher to the fiber stacker.
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| CN201811648918.1A CN109667179B (en) | 2018-12-30 | 2018-12-30 | Pulverizer and absorber manufacturing device using same |
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| CN201811648918.1A CN109667179B (en) | 2018-12-30 | 2018-12-30 | Pulverizer and absorber manufacturing device using same |
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| CN109667179A (en) | 2019-04-23 |
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