CN108193566B - Slurry tank and paper mould wet blank forming equipment - Google Patents
Slurry tank and paper mould wet blank forming equipment Download PDFInfo
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- CN108193566B CN108193566B CN201810174614.XA CN201810174614A CN108193566B CN 108193566 B CN108193566 B CN 108193566B CN 201810174614 A CN201810174614 A CN 201810174614A CN 108193566 B CN108193566 B CN 108193566B
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- 239000002002 slurry Substances 0.000 title claims abstract description 251
- 239000007788 liquid Substances 0.000 claims description 56
- 238000011010 flushing procedure Methods 0.000 claims description 23
- 238000005086 pumping Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012797 qualification Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 241001133184 Colletotrichum agaves Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
Abstract
The invention provides a slurry tank, which comprises a tank body, a first slurry inlet device and a second slurry inlet device; the box body comprises a bottom wall and side walls; the bottom wall is provided with a bottom plate which divides the upper cavity into an upper cavity and a lower cavity, the bottom plate is provided with at least one vertical wall extending upwards, an overflow groove is formed between the vertical wall and the side wall, and the overflow groove is communicated with the upper cavity and the lower cavity; the first slurry inlet device is arranged in the lower cavity and communicates the lower cavity with the upper cavity; the second slurry inlet device is arranged on the side wall and is used for communicating the overflow groove with an external slurry tank; the external slurry pool conveys slurry to the overflow groove through the second slurry feeding device, the first slurry feeding device conveys the slurry of the lower cavity to the upper cavity, and the slurry of the upper cavity flows back to the lower cavity through the overflow groove. The invention provides paper mold wet blank forming equipment, which is applied to the slurry tank. The slurry tank can ensure that slurry in the tank flows uniformly; the paper mold wet blank forming equipment can realize mass production of high-precision paper mold wet blanks.
Description
Technical Field
The invention relates to the field of pulp molding products, in particular to a slurry tank and a wet blank forming device of a paper mold.
Background
The pulp molding is a green environment-friendly product which is prepared by taking plant fiber pulp or waste paper which can be completely recycled as a base material, is widely used in the fields of food and medicine holding, electric appliance packaging, planting and seedling raising, medical utensils, artware base blanks, and easily broken product liner packaging, and the like, and is the best substitute product of the current foam plastic products.
The paper mould wet blank production equipment on the market comprises a frame, and a slurry box, an upper mould mechanism and a lower mould mechanism which are arranged on the frame, wherein the slurry box is arranged at the lower part of the frame, the lower mould mechanism is arranged above the slurry box, the lower mould mechanism can enter or exit the slurry box to prepare the paper mould wet blank, and the upper mould mechanism is arranged at the upper part of the frame corresponding to the lower mould mechanism and is used for transferring the paper mould wet blank. The common slurry box comprises a box body, when the lower die mechanism enters or exits the slurry box, the liquid level in the box body is caused to fluctuate, the slurry flows in an unoriented manner, so that the concentration of the slurry is uneven during each suction forming, the quality of wet blanks of the paper die is seriously influenced, and the subsequent processing is influenced. Later, paper mould wet blank production facility producer sets up the overflow launder through the box lateral part at the thick liquid case, when making the liquid level in the box take place undulantly, surpass the thick liquid of box edge height spill over to in the overflow launder to overcome the inhomogeneous problem of thick liquid concentration that causes because of the unoriented flow of thick liquid, but this kind of thick liquid case has following defect: after the lower die mechanism sucks slurry and forms, part of slurry is deposited to the bottom of the slurry tank, so that the concentration of the slurry in the slurry tank is difficult to accurately control, the qualification rate of the pulp molding products is low, and meanwhile, part of slurry is directly discharged out of the slurry tank after flowing into the overflow tank, so that resource waste is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a slurry tank capable of ensuring uniform flow of slurry in the tank.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the slurry box comprises a box body, a first slurry feeding device and a second slurry feeding device; the box body comprises a bottom wall and side walls extending upwards from the periphery of the bottom wall; the upper side of the bottom wall is provided with a bottom plate, the bottom plate divides the inner cavity of the box body into an upper cavity and a lower cavity, the bottom plate is provided with at least one vertical wall extending towards the upper cavity, an overflow groove is formed between the vertical wall and the side wall, and the overflow groove is communicated with the upper cavity and the lower cavity; the first slurry inlet device is arranged in the lower cavity and communicates the lower cavity with the upper cavity; the second slurry inlet device is arranged on the side wall and is used for communicating the overflow groove with an external slurry tank; during operation, the external slurry pool conveys slurry to the overflow groove through the second slurry inlet device, the slurry flows to the lower cavity, the first slurry inlet device conveys the slurry in the lower cavity to the upper cavity, and the slurry in the upper cavity can flow back to the lower cavity through the overflow groove.
Compared with the prior art, the slurry tank has the following beneficial effects:
(1) According to the invention, the lower cavity and the first slurry inlet device are arranged in the box body, so that the slurry in the slurry box can realize circulating flow, the slurry concentration in the upper cavity is ensured to be uniform and consistent, the weight deviation between wet paper mould blanks can be effectively reduced, the uniform and consistent wall thickness liquid between the wet paper mould blanks is ensured, the qualification rate of products is greatly improved, the problem of unstable quality of the wet paper mould blanks is solved, the resources are saved, and the market competitiveness of the products is improved;
(2) The invention can realize the circulating movement of the slurry in the box body, thereby improving the utilization rate of the slurry in the box body, saving resources, reducing the production cost, and being relatively smaller in volume and convenient to install compared with the existing large slurry box applied to the paper mould wet blank forming equipment;
(3) The invention has simple structure, convenient assembly and low cost, and is suitable for large-scale popularization and use.
Preferably, the first slurry inlet device comprises a first slurry inlet pipeline and a slurry pumping device, wherein a slurry inlet and a slurry outlet of the first slurry inlet pipeline are respectively communicated with the lower cavity and the upper cavity, and the slurry pumping device is used for conveying slurry in the lower cavity into the first slurry inlet pipeline.
Preferably, the liquid pumping device comprises an axial flow pump and a blade arranged on the output end of the axial flow pump, and the output end of the axial flow pump is arranged in the slurry inlet of the first slurry inlet pipeline. When the axial flow pump works, the blades form negative pressure in the first slurry inlet pipeline, so that slurry in the lower cavity is sucked into the first slurry inlet pipeline and flows to the upper cavity in a concentrated manner, and the circulating speed of the slurry in the slurry tank is improved.
Preferably, the slurry outlet of the first slurry inlet pipeline is arranged in the middle of the bottom plate. This arrangement ensures uniform flow of slurry outwardly from the middle of the refining plate.
Preferably, the second pulp feeding device comprises a second pulp feeding pipeline, a pulp feeding port of the second pulp feeding pipeline is communicated with an external pulp pool, and a pulp outlet of the second pulp feeding pipeline is arranged at the lower part of the side wall.
Preferably, the second slurry inlet pipeline is provided with two slurry inlet pipelines, and the two slurry inlet pipelines are respectively arranged on two opposite side walls. Through setting up two second advance thick liquid pipelines, can ensure to advance thick liquid in the quick downward cavity, guarantee pump liquid device to go up the thick liquid output of cavity, avoid the thick liquid in the lower cavity to appear the condition of cutting off, in addition, two second advance thick liquid pipeline's the opposite direction of the exit orifice sets up, can ensure the directional flow of thick liquid in the overflow launder, make the concentration of thick liquid in the lower cavity more even.
Preferably, a homogenizing plate is arranged at the upper end of the bottom plate, and circulation holes are uniformly distributed at positions, deviating from the slurry outlet of the first slurry inlet pipeline, of the homogenizing plate. The slurry flowing out of the slurry outlet of the first slurry inlet pipeline can be buffered by arranging the slurry homogenizing plate, so that the slurry is prevented from being directly flushed out of the slurry outlet of the first slurry inlet pipeline, on one hand, the slurry flowing speed in the upper cavity is influenced, the lower die mechanism can not uniformly suck the slurry, and on the other hand, the wet blank of the paper die on the lower die mechanism is easily damaged; in addition, through evenly setting up the circulation hole on the homogenate board, ensure that the thick liquid that flows out from the outlet of first thick liquid pipeline flows into in the upper chamber from multi-direction evenly to ensure that the thick liquid flow in the upper chamber is even.
Preferably, a liquid level sensing device is arranged in the overflow groove and is used for detecting the liquid level in the overflow groove. When the liquid level in the overflow groove is higher than the set height, the external slurry pool stops delivering slurry to the lower cavity; when the liquid level in the overflow trough is lower than the set height, the external slurry pool continuously conveys slurry to the lower cavity, so that insufficient slurry circulation in the slurry tank caused by excessive slurry in the slurry tank is avoided.
Preferably, the side wall is provided with a die flushing structure, and the die flushing structure is used for flushing the paper die wet blank forming mechanism; when the lower die mechanism enters the slurry tank, the die flushing structure is used for cleaning the lower die mechanism to ensure that pulp is not adhered to the surface of the lower die; when the lower die mechanism exits the slurry tank, the die flushing structure is used for cleaning the wet blank of the paper die and flushing the paper pulp at the edge of the wet blank of the paper die back into the slurry tank.
Another object of the present invention is to provide a paper mold wet blank forming apparatus using the above slurry tank, which includes a frame, a slurry tank, an upper mold mechanism and a lower mold mechanism, wherein the slurry tank is disposed at the lower part of the frame, the lower mold mechanism is disposed above the slurry tank, and the upper mold mechanism is disposed at the upper part of the frame corresponding to the lower mold mechanism; the upper die mechanism comprises an upper die and a lifting device, the upper die is arranged at the lower part of the lifting device, and the lifting device can drive the upper die to be matched with or separated from the lower die mechanism; the lower die mechanism comprises a rotating shaft, a pneumatic control structure and a lower die, the lower die is fixedly connected with the rotating shaft, the rotating shaft can rotate and drive the lower die to enter or exit the slurry tank, and the pneumatic control structure is used for supplying air or vacuumizing to the lower die.
Compared with the prior art, the slurry tank of the paper mould wet blank forming equipment can realize the circulating flow of slurry in the tank body, thereby ensuring that the concentration of the slurry in the upper cavity is uniform and consistent, further ensuring that the precision of the prepared paper mould wet blank meets the requirements, ensuring that the quality among the paper mould wet blanks is consistent, improving the qualification rate of finished products and simultaneously realizing mass production of high-precision paper mould wet blanks.
Drawings
FIG. 1 is a schematic diagram of a slurry tank;
FIG. 2 is a cross-sectional view of the slurry tank;
fig. 3 is a schematic view of a paper mold wet blank forming apparatus.
Description of the reference numerals:
the device comprises a frame 1, a slurry tank 2, a mold feeding mechanism 3, a lifting device 31, a lower mold mechanism 4, a rotating shaft 41, a pneumatic control structure 42, a box 5, an upper cavity 50, a bottom wall 51, a side wall 52, a pump liquid device mounting seat 521, a through hole 522, a blocking wall 523, a mounting groove 524, a second slurry inlet pipeline 525, a bottom plate 53, a first slurry inlet pipeline 531, a vertical wall 54, a first support column 55, a homogenizing plate 56, a second support column 57, a overflow groove 6, a lower cavity 7, a pump liquid device 8, an axial flow pump 81, a paddle 82, a mold flushing structure 9 and a flushing pipeline 91.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 2, the slurry tank 2 of the present embodiment includes a tank body 5, a first slurry feeding device, and a second slurry feeding device; the box 5 comprises a bottom wall 51 and side walls 52 extending upwards from the periphery of the bottom wall 51; a bottom plate 53 is arranged on the upper side of the bottom wall 51, the bottom plate 53 divides the inner cavity of the box body 5 into an upper cavity 50 and a lower cavity 7, the bottom plate 53 is rectangular, three sides of the bottom plate 53 extend upwards to form a vertical wall 54, and the other edges of the bottom plate 53 are connected with corresponding side walls 52; an overflow groove 6 is formed between the vertical wall 54 and the side wall 52, and the overflow groove 6 is communicated with the upper cavity 50 and the lower cavity 7; the first pulp inlet device is arranged in the lower cavity 7 and communicates the lower cavity 7 with the upper cavity 50; the second slurry inlet device is arranged on the side wall 52 and communicates the overflow trough 6 with an external slurry tank; during operation, the external slurry pool conveys slurry to the overflow groove 6 through the second slurry feeding device, the slurry flows to the lower cavity 7, the first slurry feeding device conveys the slurry in the lower cavity 7 to the upper cavity 50, and the slurry in the upper cavity 50 can flow back to the lower cavity 7 through the overflow groove 6.
Specifically, a plurality of first support columns 55 are disposed in the lower cavity 7, and the first support columns 55 are used for supporting the bottom plate 53.
Two overflow grooves 6 are formed on two opposite sides of the bottom plate 53, when the liquid level of the upper cavity 50 is higher than the height of the vertical wall 54, the slurry flows from the two overflow grooves 6 to the lower cavity 7 respectively, and in the process, the slurry in the upper cavity 50 can flow to the overflow grooves 6 on two opposite sides, so that the multi-directional flow of the slurry is realized, and the uniformity of the slurry is improved.
As a first modification of the bottom plate 53, the bottom plate 53 is circular or elliptical, the edge of the bottom plate 53 extends upwards to form a vertical wall 54, and an annular overflow trough 6 is formed between the vertical wall 54 and the side wall 52.
As a second modification of the bottom plate 53, the bottom plate 53 is rectangular, one side of the bottom plate 53 extends upward to form a vertical wall 54, and the other edges of the bottom plate 53 are connected to the corresponding side walls 52.
As a third modification of the bottom plate 53, the bottom plate 53 is rectangular, any two of the bottom plates 53 extend upwards to form vertical walls 54, and the rest edges of the bottom plate 53 are connected with the corresponding side walls 52.
The above-described modifications, although not shown in the drawings of the description, are still within the scope of the invention as defined in the claims.
The liquid pumping device 8 comprises an axial flow pump 81 and a blade 82 arranged on the output end of the axial flow pump 81, wherein the output end of the axial flow pump 81 is arranged in the pulp inlet of the first pulp inlet pipeline 531. When the axial flow pump 81 works, the blades 82 form negative pressure in the first slurry inlet pipeline 531, so that slurry in the lower cavity 7 is sucked into the first slurry inlet pipeline 531 and flows into the upper cavity 50 in a concentrated manner, and the circulating speed of the slurry in the slurry tank 2 is further improved.
The pulp outlet of the first pulp inlet pipeline 531 is arranged in the middle of the bottom plate 53. This arrangement ensures uniform flow of slurry outwardly from the middle of the refining plate 56.
The second pulp inlet device comprises a second pulp inlet pipeline 525, a pulp inlet of the second pulp inlet pipeline 525 is communicated with an external pulp pool, and a pulp outlet of the second pulp inlet pipeline 525 is arranged at the lower part of the side wall 52.
The second slurry inlet pipe 525 is provided with two second slurry inlet pipes, and the second slurry inlet pipes are respectively arranged on the two opposite side walls 52. Through setting up two second advance thick liquid pipelines 525, can ensure to advance thick liquid in the quick decurrent cavity 7, guarantee pump liquid device 8 to go up the thick liquid output of cavity 50, avoid the thick liquid in the lower cavity 7 to appear the condition of cutting off, in addition, the grout outlet subtended setting of two second advance thick liquid pipelines 525 can ensure the directional flow of thick liquid in the overflow launder 6, makes the concentration of thick liquid in the lower cavity 7 more even.
The upper end of the bottom plate 53 is provided with a homogenizing plate 56, and circulation holes (not shown in the figure) are uniformly distributed on positions of the homogenizing plate 56 deviated from the slurry outlet of the first slurry inlet pipeline 531. The slurry flowing out of the slurry outlet of the first slurry inlet pipeline 531 can be buffered by arranging the slurry homogenizing plate 56, so that the slurry is prevented from being directly flushed out of the slurry outlet of the first slurry inlet pipeline 531, on one hand, the slurry flowing speed in the upper cavity 50 is influenced, the lower die mechanism cannot uniformly suck the slurry, and on the other hand, the wet blank of the paper die on the lower die mechanism is easily damaged; in addition, by uniformly providing circulation holes in the homogenizing plate 56, the slurry flowing out from the slurry outlet of the first slurry inlet pipe 531 is ensured to uniformly flow into the upper chamber 50 in multiple directions, thereby ensuring uniform slurry flow in the upper chamber 50.
The peripheral edges of the homogenizing plate 56 are folded towards the direction of the bottom plate 53, and the arrangement mode can improve the structural strength of the homogenizing plate 56 and avoid the homogenizing plate 56 from being damaged under the long-time impact of the slurry flowing from the slurry outlet of the first slurry inlet pipeline 531.
Specifically, a plurality of second support columns 57 are disposed on the bottom plate 53, and the second support columns 57 are used for supporting the homogenizing plate 56.
The side wall 52 is provided with a liquid pumping device mounting seat 521, the liquid pumping device mounting seat 521 is provided with a through hole 522 penetrating through the side wall 52, the axial flow pump 81 is arranged on the liquid pumping device mounting seat 521, and the output end of the axial flow pump 81 passes through the through hole 522 and is inserted into the lower cavity 7, so that the liquid pumping device 8 can be ensured to be stably arranged on the slurry tank 2 in a manner that the shaking of the liquid pumping device 8 in the operation process is avoided, and the circulating speed of slurry is influenced.
Specifically, blocking walls 523 are disposed on two sides of the installation seat 521 of the liquid pumping device, an installation groove 524 is formed between the two blocking walls 523, the via 522 is disposed in the middle of the installation groove 524, and the liquid pumping device 8 is disposed on the installation groove 524.
A liquid level sensing device (not shown in the figure) is arranged in the overflow tank 6, and the liquid level sensing device is used for detecting the liquid level in the overflow tank 6. When the liquid level in the overflow groove 6 is higher than the set level, the outside slurry pool stops delivering slurry to the lower cavity 7; when the liquid level in the overflow trough 6 is lower than the set level, the external slurry pool continues to convey the slurry to the lower cavity 7, so that insufficient slurry circulation in the slurry tank 2 caused by excessive slurry in the slurry tank 2 is avoided.
The side wall 52 is provided with a die flushing structure 9, and the die flushing structure 9 is used for flushing a paper die wet blank forming mechanism; when the lower die mechanism enters the slurry tank 2, the die flushing structure 9 is used for cleaning the lower die mechanism to ensure that pulp is not adhered to the surface of the lower die; when the lower die mechanism exits the slurry tank 2, the die flushing structure 9 is used for cleaning the wet blank of the paper die and flushing the paper pulp at the edge of the wet blank of the paper die back into the slurry tank 2.
Specifically, the height of the side wall 52 is greater than the height of the vertical wall 54, and the mold flushing structure 9 is disposed at a position where the side wall 52 is higher than the vertical wall 54; the two die flushing structures 9 are arranged on the two opposite side walls 52 respectively; by arranging the two die flushing structures 9, when the lower die mechanism with the two lower dies is turned 360 degrees and enters the slurry tank 2 to prepare wet paper die blanks, the two lower dies can be respectively flushed, so that the production efficiency is improved; the die flushing structure 9 comprises a flushing pipeline 91, water outlets are distributed on the flushing pipeline 91 at equal intervals, the flushing pipeline 91 is connected with external high-pressure water supply equipment (not shown in the figure), and high-pressure water conveyed by the external high-pressure water supply equipment is sprayed to the lower die mechanism 4 through the water outlets to flush the lower die mechanism 4.
The working principle of the invention is as follows:
the external slurry pool supplies slurry into the box body 5 through the second slurry inlet pipeline 525, the slurry flows into the lower cavity 7, and the axial flow pump 81 operates to convey the slurry in the lower cavity 7 to the upper cavity 50 through the first slurry inlet pipeline 531; the liquid level in the upper cavity 50 continuously rises until the liquid level exceeds the height of the vertical wall 54, and the slurry flows back into the lower cavity 7 through the overflow groove 6, so that the slurry circulation of the slurry tank 2 is realized; when the liquid level sensing device senses that the liquid level in the overflow groove 6 reaches the set height, the external slurry tank stops supplying slurry to the tank body 5, and the axial flow pump 81 continues to operate, so that the internal circulation of the slurry tank 2 is realized.
Compared with the prior art, the slurry tank 2 has the following beneficial effects:
(1) The lower cavity 7 and the first pulp feeding device are arranged in the box body 5, so that the slurry in the slurry box 2 can realize circulating flow, the slurry concentration in the upper cavity 50 is ensured to be uniform and consistent, the weight deviation between wet paper mould blanks can be effectively reduced, the wall thickness liquid between the wet paper mould blanks is ensured to be uniform and consistent, the qualification rate of products is greatly improved, the problem of unstable quality of the wet paper pulp blanks is solved, the resources are saved, and the market competitiveness of the products is improved;
(2) The invention can realize the circulating movement of the slurry in the box body 5, thereby improving the utilization rate of the slurry in the box body 5, saving resources, reducing production cost, and being relatively smaller in volume and convenient to install compared with the existing large slurry box applied to paper mould wet blank forming equipment;
(3) The invention has simple structure, convenient assembly and low cost, and is suitable for large-scale popularization and use.
The first slurry inlet device comprises a first slurry inlet pipeline 531 and a slurry pumping device 8, wherein a slurry inlet and a slurry outlet of the first slurry inlet pipeline 531 are respectively communicated with the lower cavity 7 and the upper cavity 50, and the slurry pumping device 8 is used for conveying slurry of the lower cavity 7 into the first slurry inlet pipeline 531.
Example two
Referring to fig. 3, another object of the present invention is to provide a paper mold wet blank forming apparatus using the above-mentioned slurry tank 2, which comprises a frame 1, a slurry tank 2, an upper mold mechanism 3 and a lower mold mechanism 4, wherein the slurry tank 2 is disposed at the lower part of the frame 1, the lower mold mechanism 4 is disposed above the slurry tank 2, and the upper mold mechanism 3 is disposed at the upper part of the frame 1 corresponding to the lower mold mechanism 4; the upper die mechanism 3 comprises an upper die (not shown in the figure) and a lifting device 32, wherein the upper die is arranged at the lower part of the lifting device 32, and the lifting device 32 can drive the upper die to be matched with or separated from the lower die mechanism 4; the lower die mechanism 4 comprises a rotating shaft 41, a pneumatic control structure 42 and a lower die (not shown in the figure), the lower die is fixedly connected with the rotating shaft 41, the rotating shaft 41 can rotate and drive the lower die to enter or exit the slurry tank 2, and the pneumatic control structure 42 is used for supplying air or vacuumizing the lower die.
Compared with the prior art, the slurry tank 2 of the paper mould wet blank forming equipment can realize the circulating flow of slurry in the tank body 5, so that the slurry concentration in the upper cavity 50 is ensured to be uniform, the precision of the prepared paper mould wet blank is ensured to meet the requirements, the quality among the paper mould wet blanks is kept uniform, the qualification rate of finished products is improved, and the mass production of high-precision paper mould wet blanks is realized.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (8)
1. Slurry tank, its characterized in that: comprises a box body, a first pulp feeding device and a second pulp feeding device;
the box body comprises a bottom wall and side walls extending upwards from the periphery of the bottom wall; the upper side of the bottom wall is provided with a bottom plate, the bottom plate divides the inner cavity of the box body into an upper cavity and a lower cavity, the bottom plate is provided with at least one vertical wall extending towards the upper cavity, an overflow groove is formed between the vertical wall and the side wall, and the overflow groove is communicated with the upper cavity and the lower cavity;
the first slurry inlet device is arranged in the lower cavity and communicates the lower cavity with the upper cavity;
the second slurry inlet device is arranged on the side wall and is used for communicating the overflow groove with an external slurry tank;
when the device works, the external slurry pool conveys slurry to the overflow groove through the second slurry inlet device, the slurry flows to the lower cavity, the first slurry inlet device conveys the slurry in the lower cavity to the upper cavity, and the slurry in the upper cavity can flow back to the lower cavity through the overflow groove;
the slurry outlet of the first slurry inlet pipeline is arranged in the middle of the bottom plate;
the upper end of the bottom plate is provided with a homogenate plate, and circulating holes are uniformly distributed at positions, deviating from the pulp outlet of the first pulp inlet pipeline, of the homogenate plate.
2. The slurry tank of claim 1, wherein: the first slurry inlet device comprises a first slurry inlet pipeline and a slurry pumping device, wherein a slurry inlet and a slurry outlet of the first slurry inlet pipeline are respectively communicated with the lower cavity and the upper cavity, and the slurry pumping device is used for conveying slurry of the lower cavity into the first slurry inlet pipeline.
3. The slurry tank of claim 2, wherein: the liquid pumping device comprises an axial flow pump and blades arranged on the output end of the axial flow pump, and the output end of the axial flow pump is arranged in the slurry inlet of the first slurry inlet pipeline.
4. The slurry tank of claim 1, wherein: the second slurry inlet device comprises a second slurry inlet pipeline, a slurry inlet of the second slurry inlet pipeline is communicated with an external slurry tank, and a slurry outlet of the second slurry inlet pipeline is arranged at the lower part of the side wall.
5. The slurry tank of claim 4, wherein: the second slurry inlet pipeline is provided with two second slurry inlet pipelines which are respectively arranged on two opposite side walls.
6. The slurry tank of claim 1, wherein: the overflow tank is internally provided with a liquid level sensing device which is used for detecting the liquid level in the overflow tank.
7. The slurry tank of claim 1, wherein: the side wall is provided with a die flushing structure which is used for flushing the paper die wet blank forming mechanism.
8. The paper mold wet blank forming equipment comprises a frame, a slurry tank, an upper mold mechanism and a lower mold mechanism, wherein the slurry tank is arranged at the lower part of the frame, the lower mold mechanism is arranged above the slurry tank, and the upper mold mechanism is arranged at the upper part of the frame corresponding to the lower mold mechanism;
the upper die mechanism comprises an upper die and a lifting device, the upper die is arranged at the lower part of the lifting device, and the lifting device can drive the upper die to be matched with or separated from the lower die mechanism;
the lower die mechanism comprises a rotating shaft, a pneumatic control structure and a lower die, the lower die is fixedly connected with the rotating shaft, the rotating shaft can rotate and drive the lower die to enter or exit the slurry tank, and the pneumatic control structure is used for supplying air or vacuumizing to the lower die; the method is characterized in that: the slurry tank is the slurry tank according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174614.XA CN108193566B (en) | 2018-03-02 | 2018-03-02 | Slurry tank and paper mould wet blank forming equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174614.XA CN108193566B (en) | 2018-03-02 | 2018-03-02 | Slurry tank and paper mould wet blank forming equipment |
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| Publication Number | Publication Date |
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| CN108193566A CN108193566A (en) | 2018-06-22 |
| CN108193566B true CN108193566B (en) | 2024-04-12 |
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| CN201810174614.XA Active CN108193566B (en) | 2018-03-02 | 2018-03-02 | Slurry tank and paper mould wet blank forming equipment |
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| CN112941973A (en) * | 2019-12-10 | 2021-06-11 | 潘耀华 | Turnover slurry suction robot transfer forming machine and forming method |
| CN111608025A (en) * | 2020-06-28 | 2020-09-01 | 弼伽机械科技无锡有限公司 | Forming mechanism of paper pulp molding equipment |
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| CN204875348U (en) * | 2015-08-12 | 2015-12-16 | 江西弘泰电子信息材料有限公司 | Thick liquid system is ground in wet process papermaking with adjustable flow |
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| CN207987623U (en) * | 2018-03-02 | 2018-10-19 | 佛山市必硕机电科技有限公司 | Slurry tank and a kind of wet base former of paper matrix |
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