CN211947700U - Surface layer negative pressure dewatering device for papermaking - Google Patents
Surface layer negative pressure dewatering device for papermaking Download PDFInfo
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- CN211947700U CN211947700U CN202020300237.2U CN202020300237U CN211947700U CN 211947700 U CN211947700 U CN 211947700U CN 202020300237 U CN202020300237 U CN 202020300237U CN 211947700 U CN211947700 U CN 211947700U
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Abstract
The utility model relates to a papermaking uses surface course negative pressure dewatering device relates to the technical field of papermaking equipment, and it includes the frame, the frame on be equipped with the face net, face net below be equipped with negative pressure region, negative pressure region including the first negative pressure district, second negative pressure district and the third negative pressure district that set gradually, the negative pressure of first negative pressure district, second negative pressure district and third negative pressure district increases in proper order, first negative pressure district, second negative pressure district and third negative pressure district all include negative pressure side pipe and the vacuum pump that is linked together with negative pressure side pipe, negative pressure side pipe include the contact plate that contacts with the face net, the contact plate on seted up the negative pressure hole. The utility model discloses the problem that can effectively avoid the surface course fibre to drop takes place.
Description
Technical Field
The utility model belongs to the technical field of papermaking equipment's technique and specifically relates to a papermaking is with surface course negative pressure dewatering device is related to.
Background
The white board is a board with white and smooth front surface and grey back surface, and generally includes surface layer, core layer and bottom layer, and is mainly used for making paper box for package after single-side colour printing, or for designing and making hand-made products.
Referring to fig. 1, the conventional negative pressure dewatering device for a surface layer comprises a surface net 12 and a negative pressure square pipe 13 located below the surface net 12, wherein a plurality of negative pressure holes are formed in the negative pressure square pipe 13, the negative pressure square pipe 13 is communicated with a vacuum pump 11, and the negative pressure holes are made to be negative pressure through the vacuum pump 11 so that the surface layer on the surface net 12 is dewatered.
The above prior art solutions have the following drawbacks: in the use, the negative pressure of the negative pressure hole department on each negative pressure side pipe of current surface course negative pressure dewatering device is unanimous, therefore the surface course just contacts with the face net when, consequently the surface course is comparatively inseparable in the effect of atmospheric pressure and the laminating of face net easily makes the frictional force increase with the face net, because the surface course water content is great, consequently the surface course fibre is comparatively loose, consequently causes the surface course fibre to drop easily, has the influence to finished product quality.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide papermaking uses surface course negative pressure dewatering device, can avoid the surface course just when contacting with the surface net, comparatively inseparable with the laminating of surface net under the effect of atmospheric pressure to the frictional force that leads to increases and the problem that the surface course fibre that leads to drops takes place.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a papermaking is with surface course negative pressure dewatering device, includes the frame, the frame on be equipped with the face net, face net below be equipped with negative pressure region, negative pressure region including the first negative pressure zone, second negative pressure zone and the third negative pressure zone that set gradually, the negative pressure of first negative pressure zone, second negative pressure zone and third negative pressure zone increases in proper order, first negative pressure zone, second negative pressure zone and third negative pressure zone all include negative pressure side's pipe and the vacuum pump that is linked together with negative pressure side's pipe, negative pressure side's pipe include the contact plate that contacts with the face net, the contact plate on seted up the negative pressure hole.
Through adopting above-mentioned technical scheme, when using, the surface course is removed to the third negative pressure district by first negative pressure district, because the negative pressure of first negative pressure district is minimum, therefore the surface course is when contacting with the face net of first negative pressure district department, and the negative pressure is less, consequently makes the laminating degree of surface course and face net relatively poor, consequently can effectively reduce the frictional force between surface course and the face net, avoids the problem that the surface course fibre drops to take place for the finished product quality of surface course is better. Meanwhile, in the process of moving the surface layer, after the surface layer enters the first negative pressure area, the surface layer can be separated from a certain amount of water, so that the fibers of the surface layer are connected more tightly, and therefore, when the surface layer passes through the second negative pressure area and the third negative pressure area, the negative pressure is increased in sequence, the friction force between the surface layer and the surface net is increased, and the fibers of the surface layer cannot fall off. Consequently through setting up the gradual crescent first negative pressure zone of negative pressure, second negative pressure zone and third negative pressure zone, make when the surface course water content is great, the surface course fibre is when comparatively loose, the frictional force of surface course and face net is less, avoid the fibrous drop of surface course, and the surface course water content through first negative pressure zone reduces, the surface course fibre is comparatively compact, consequently, when the second negative pressure zone is being passed through, can further dewater, the surface course fibre also can further compact, reach the standard of predetermineeing at the surface course water content after the third negative pressure zone afterwards. Therefore, the problem of poor quality of the surface layer caused by shedding of the fibers of the surface layer can be effectively avoided.
The present invention may be further configured in a preferred embodiment as: negative pressure side manage with the vacuum pump be linked together through a plurality of hoses, the hose with negative pressure hole one-to-one, negative pressure side manage and be equipped with the fixed plate, hose and fixed plate fixed connection and the upper surface of hose and the upper surface of fixed plate parallel and level mutually, the fixed plate be located the below of contact plate and form the sealed clearance of lining up negative pressure side pipe with the contact plate, sealed clearance in be equipped with the sealing block that is used for cutting off the hose and communicates with its corresponding negative pressure hole, negative pressure side pipe on still be equipped with the closing plate that is used for sealed clearance.
Through adopting above-mentioned technical scheme, consequently when the surface course to different breadth dewaters, will adjust the seal block in the seal clearance, make seal block wall hose and the negative pressure hole that corresponds with it, make negative pressure square pipe go up the width looks adaptation of exposed negative pressure hole and surface course, avoid because the negative pressure hole of surface course both sides is linked together the less problem of surface course department suction that leads to with the external world and takes place, the existence of closing plate also makes when need not using seal block simultaneously, the closing plate will seal clearance and negative pressure square pipe intercommunication department and carry out the shutoff, thereby play sealed effect.
The present invention may be further configured in a preferred embodiment as: the sealing block comprises an upper plate and a lower plate, a rubber elastic layer is arranged between the upper plate and the lower plate, and rubber sealing layers are arranged on the surfaces of the upper plate and the lower plate.
Through adopting above-mentioned technical scheme, when sealed piece was located sealed clearance, under the effect of rubber elastic layer, the surface of hypoplastron and the surface of fixed plate contacted, and the surface and the contact plate of upper plate contact, and the rubber sealing layer all takes place deformation under the effect of rubber elastic layer, consequently can play good sealed effect.
The present invention may be further configured in a preferred embodiment as: the negative pressure square tube is provided with an extrusion piece for extruding the sealing plate, and the surface of the sealing plate, which is contacted with the negative pressure square tube, is covered with a rubber layer.
Through adopting above-mentioned technical scheme, consequently extrude the closing plate through the extruded piece for closing plate and negative pressure side pipe are inconsistent, and the rubber layer takes place to deform under the effect of pressure, consequently can effectually link up negative pressure side pipe department to sealing gap and seal, make the sealed effect to sealing gap better.
The present invention may be further configured in a preferred embodiment as: the extruded part comprises an L-shaped plate connected with the negative pressure square pipe and a bolt in threaded connection with the L-shaped plate, and one end of the bolt is in contact with the sealing plate.
Through adopting above-mentioned technical scheme, consequently, can realize the fixed to the closing plate through rotatory bolt for operation is more convenient.
The present invention may be further configured in a preferred embodiment as: the negative pressure square tube is provided with a fixing rod, the sealing plate is provided with a waist-shaped hole matched with the fixing rod, and the fixing rod penetrates through the waist-shaped hole.
Through adopting above-mentioned technical scheme, consequently the closing plate can slide on the lateral wall of negative pressure side's pipe, consequently can effectively avoid the problem that the closing plate loses to take place.
The present invention may be further configured in a preferred embodiment as: one end of the sealing block is provided with a T-shaped sliding block, and the other end of the sealing block is provided with a groove matched with the T-shaped sliding block.
Through adopting above-mentioned technical scheme, consequently can adopt a plurality of sealed pieces to seal up the clearance according to actual need to can all play good adaptation effect to the surface course of different breadth.
The present invention may be further configured in a preferred embodiment as: the T-shaped sliding block and the groove are arranged on the rubber elastic layer, and a hard plate is further arranged at one end, far away from the sealing block, of the T-shaped sliding block.
Through adopting above-mentioned technical scheme, consequently when with a plurality of sealed piece joints together, because T type slider and recess all set up on the rubber elastic layer, consequently the existence of hardboard makes when inserting T type slider in the recess, and the difficult deformation that takes place of T type slider for the concatenation is easier.
To sum up, the utility model discloses a following at least one useful technological effect:
because the negative pressure of the first negative pressure area, the second negative pressure area and the third negative pressure area is gradually increased, when the surface layer passes through the first negative pressure area, the second negative pressure area and the third negative pressure area, the moisture in the surface layer can be gradually removed, the fibers of the surface layer are more compact, and therefore the problem that the fibers of the surface layer fall off can be effectively avoided when the surface layer passes through the first negative pressure area, the second negative pressure area and the third negative pressure area;
the sealing block separates the hose from the negative pressure hole corresponding to the hose, so that the negative pressure hole exposed on the negative pressure square pipe is matched with the width of the surface layer, and the good dewatering effect can be achieved on the surface layers with different widths.
Drawings
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is the schematic view of the cross-sectional structure of the negative pressure square tube of the present invention.
Fig. 4 is a schematic structural diagram of the sealing block of the present invention.
Reference numerals: 11. a vacuum pump; 12. a surface net; 13. negative pressure square tubes; 131. sealing the gap; 14. a frame; 2. a sealing plate; 21. a kidney-shaped hole; 22. fixing the rod; 23. a rubber layer; 24. an L-shaped plate; 25. a bolt; 31. a first negative pressure region; 32. a second negative pressure region; 33. a third negative pressure region; 4. a contact plate; 41. a negative pressure hole; 5. a sealing block; 51. an upper plate; 52. a lower plate; 53. a rubber elastic layer; 54. a rubber sealing layer; 55. a T-shaped slider; 56. a groove; 57. hard plates; 6. a fixing plate; 61. a hose; 62. a manifold.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2 and 3, for the utility model discloses a papermaking is with surface course negative pressure dewatering device, which comprises a frame 14, be equipped with face net 12 in the frame 14, face net 12 below is equipped with the negative pressure region, the negative pressure region is including the first negative pressure zone 31 that sets gradually, second negative pressure zone 32 and third negative pressure zone 33, first negative pressure zone 31, the negative pressure of second negative pressure zone 32 and third negative pressure zone 33 increases in proper order, first negative pressure zone 31, second negative pressure zone 32 and third negative pressure zone 33 all include negative pressure side's pipe 13 and the vacuum pump 11 that is linked together with negative pressure side's pipe 13, negative pressure side's pipe 13 includes the contact plate 4 that contacts with face net 12, negative pressure hole 41 has been seted up on the contact plate 4. The vacuum pump 11 is an intelligent vacuum pump.
Referring to fig. 2 and 3, the negative pressure square pipe 13 is communicated with the vacuum pump 11 through a plurality of hoses 61, the vacuum pump 11 is communicated with the hoses 61 through a manifold 62, the hoses 61 are in one-to-one correspondence with the negative pressure holes 41, a fixing plate 6 is welded in the negative pressure square pipe 13, the hoses 61 are fixedly connected with the fixing plate 6 through glue, the upper surface of the hoses 61 is flush with the upper surface of the fixing plate 6, the fixing plate 6 is positioned below the contact plate 4 and forms a sealing gap 131 penetrating through the negative pressure square pipe 13 with the contact plate 4, a sealing block 5 for isolating the hoses 61 from being communicated with the negative pressure holes 41 corresponding to the hoses is arranged in the sealing gap 131, and a sealing plate 2 for sealing the penetrating openings of the sealing gap 131 penetrating through the negative pressure square. The negative pressure square pipe 13 is welded with a fixing rod 22, the sealing plate 2 is provided with a waist-shaped hole 21 matched with the fixing rod 22, and the fixing rod 22 penetrates through the waist-shaped hole 21.
Referring to fig. 4, the sealing block 5 includes an upper plate 51 and a lower plate 52, a rubber elastic layer 53 is disposed between the upper plate 51 and the lower plate 52, the rubber elastic layer 53 is bonded to the upper plate 51 and the lower plate 52 by glue, and a rubber sealing layer 54 is bonded to the surfaces of the upper plate 51 and the lower plate 52 by glue. One end of the sealing block 5 is provided with a T-shaped sliding block 55, and the other end is provided with a groove 56 matched with the T-shaped sliding block 55. The T-shaped sliding block 55 and the groove 56 are both arranged on the rubber elastic layer 53, and a hard plate 57 is further bonded to one end, far away from the sealing block 5, of the T-shaped sliding block 55 through glue. The rigid plate 57 may be made of plastic.
Referring to fig. 2, the negative pressure square pipe 13 is provided with an extrusion member for extruding the sealing plate 2, and the surface of the sealing plate 2 contacting the negative pressure square pipe 13 is covered with a rubber layer 23. The extrusion piece comprises an L-shaped plate 24 connected with the negative pressure square pipe 13 in a welding mode and a bolt 25 connected with the L-shaped plate 24 in a threaded mode, and one end of the bolt 25 is in contact with the sealing plate 2.
The implementation principle of the embodiment is as follows: when the surface layer is dehydrated, the position of the sealing block 5 is adjusted according to the width of the surface layer, so that the exposed negative pressure hole 41 is matched with the width of the surface layer, and then the surface layer sequentially passes through the first negative pressure area 31, the second negative pressure area 32 and the third negative pressure area 33, because the negative pressures of the first negative pressure area 31, the second negative pressure area 32 and the third negative pressure area 33 are sequentially increased, the moisture in the surface layer can be gradually removed, the surface layer fibers are gradually compacted, and therefore the problem that the surface layer fibers are easy to fall off due to large negative pressure when the surface layer is just contacted with the surface net 12 can be effectively avoided, and the problem that the surface layer fibers fall off can be effectively avoided when the surface layer sequentially passes through the first negative pressure area 31, the second negative pressure area 32 and the third negative pressure area 33.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a papermaking is with surface course negative pressure dewatering device, includes frame (14), frame (14) on be equipped with face net (12), face net (12) below be equipped with negative pressure region, its characterized in that: negative pressure region including first negative pressure zone (31), second negative pressure zone (32) and third negative pressure zone (33) that set gradually, the negative pressure of first negative pressure zone (31), second negative pressure zone (32) and third negative pressure zone (33) increases in proper order, first negative pressure zone (31), second negative pressure zone (32) and third negative pressure zone (33) all include negative pressure side's pipe (13) and vacuum pump (11) that are linked together with negative pressure side's pipe (13), negative pressure side's pipe (13) include contact plate (4) that contact with face net (12), contact plate (4) on seted up negative pressure hole (41).
2. The negative pressure dewatering device for the paper making surface layer according to claim 1, characterized in that: negative pressure side pipe (13) with vacuum pump (11) be linked together through a plurality of hoses (61), hose (61) with negative pressure hole (41) one-to-one, negative pressure side pipe (13) on be equipped with fixed plate (6), hose (61) and fixed plate (6) fixed connection and the upper surface of hose (61) and the upper surface of fixed plate (6) parallel and level mutually, fixed plate (6) be located the below of contact plate (4) and form seal clearance (131) of lining up negative pressure side pipe (13) with contact plate (4), seal clearance (131) in be equipped with and be used for cutting off hose (61) and negative pressure hole (41) intercommunication that corresponds with it sealing block (5), negative pressure side pipe (13) on still be equipped with sealing plate (2) that are used for sealed seal clearance (131).
3. The negative pressure dewatering device for the paper making surface layer according to claim 2, characterized in that: the sealing block (5) comprises an upper plate (51) and a lower plate (52), a rubber elastic layer (53) is arranged between the upper plate (51) and the lower plate (52), and rubber sealing layers (54) are arranged on the surfaces of the upper plate (51) and the lower plate (52).
4. The negative pressure dewatering device for the paper making surface layer according to claim 2, characterized in that: the negative pressure square tube (13) is provided with an extrusion piece for extruding the sealing plate (2), and the surface of the sealing plate (2) contacted with the negative pressure square tube (13) is covered with a rubber layer (23).
5. The negative pressure dewatering device for the paper making surface layer according to claim 4, characterized in that: the extrusion piece comprises an L-shaped plate (24) connected with the negative pressure square pipe (13) and a bolt (25) in threaded connection with the L-shaped plate (24), and one end of the bolt (25) is in contact with the sealing plate (2).
6. The negative pressure dewatering device for the paper making surface layer according to claim 4, characterized in that: the negative pressure square tube (13) is provided with a fixing rod (22), the sealing plate (2) is provided with a waist-shaped hole (21) matched with the fixing rod (22), and the fixing rod (22) penetrates through the waist-shaped hole (21).
7. The negative pressure dewatering device for the paper making surface layer according to claim 3, characterized in that: one end of the sealing block (5) is provided with a T-shaped sliding block (55), and the other end of the sealing block is provided with a groove (56) matched with the T-shaped sliding block (55).
8. The negative pressure dewatering device for the paper making surface layer according to claim 7, characterized in that: the T-shaped sliding block (55) and the groove (56) are arranged on the rubber elastic layer (53), and a hard plate (57) is further arranged at one end, far away from the sealing block (5), of the T-shaped sliding block (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300237.2U CN211947700U (en) | 2020-03-12 | 2020-03-12 | Surface layer negative pressure dewatering device for papermaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300237.2U CN211947700U (en) | 2020-03-12 | 2020-03-12 | Surface layer negative pressure dewatering device for papermaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211947700U true CN211947700U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020300237.2U Active CN211947700U (en) | 2020-03-12 | 2020-03-12 | Surface layer negative pressure dewatering device for papermaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211947700U (en) |
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2020
- 2020-03-12 CN CN202020300237.2U patent/CN211947700U/en active Active
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