CN210832949U

CN210832949U - Cardboard drying equipment that drying efficiency is high

Info

Publication number: CN210832949U
Application number: CN201921854738.9U
Authority: CN
Inventors: 曹建锋; 曹越; 曹阔
Original assignee: Shanghai Jianda Paper Co ltd
Current assignee: Shanghai Jianda Paper Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-23
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to a cardboard drying equipment that drying efficiency is high belongs to cardboard stoving field, include: a frame; the conveying assembly is horizontally arranged on the plurality of racks; the box body is arranged on the rack, positioned on the conveying assembly and extended along the conveying direction of the conveying assembly; the drying device is arranged in the box body and used for drying the paperboard; the conveying assembly comprises an upper conveying belt and a lower conveying belt, the upper conveying belt and the lower conveying belt are positioned in the box body, the upper conveying belt and the lower conveying belt are arranged in a vertically staggered mode, and a turnover device used for turning over the paperboard output by the upper conveying belt so that the turned-over paperboard can slide onto the lower conveying belt is arranged in the box body. An object of the utility model is to provide a cardboard drying equipment that drying efficiency is high can carry out the inside dehumidification of box when box desiccator is dried completely to the cardboard two sides and is dried to the cardboard.

Description

Cardboard drying equipment that drying efficiency is high

Technical Field

The utility model relates to a cardboard stoving field especially relates to a cardboard drying equipment that drying efficiency is high.

Background

At present, the drying method for paper boards in carton factories includes a natural drying method, a quick drying method for paper boards, and a drying method by a box-type (i.e. tunnel-type) dryer.

The drying method of the box type drying machine is characterized in that the paper boards are placed into the box type drying machine, the paper boards are conveyed in a gap between the conveying rolling shaft and the flattening rolling shaft and dried by the heating device arranged below the conveying rolling shaft, the flatness of the paper boards and the water content of the paper boards to a certain limit can be well guaranteed by the method, and the manufacturing quality and the production efficiency of the paper boxes are greatly improved.

However, the box-type dryer can not completely dry the paper boards, so that the paper boards are not thoroughly dried, an automatic moisture exhaust system is not arranged, the water vapor exhausted by the baked paper boards can not be automatically exhausted, the accumulation of the water vapor can influence the drying of the paper boards, inconvenience is brought to production, the open moisture exhaust system is not beneficial to the drying of the paper boxes, and the drying performance is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a cardboard drying equipment that drying efficiency is high can carry out the inside dehumidification of box when box desiccator is dried the cardboard.

The above object of the present invention can be achieved by the following technical solutions:

a paperboard drying device with high drying efficiency comprises: a frame; the conveying assembly is horizontally arranged on the rack; the box body is arranged on the rack, positioned on the conveying assembly and extended along the conveying direction of the conveying assembly; the drying device is arranged in the box body and used for drying the paperboard; the conveying assembly comprises an upper conveying belt and a lower conveying belt, the upper conveying belt and the lower conveying belt are positioned in the box body, the upper conveying belt and the lower conveying belt are arranged in a vertically staggered mode, and a turnover device used for turning over the paperboard output by the upper conveying belt so that the turned-over paperboard can slide onto the lower conveying belt is arranged in the box body.

Adopt above-mentioned scheme, set up a conveyer belt of stoving step in the process flow respectively to go up conveyer belt and lower conveyer belt and make dislocation arrangement from top to bottom, utilize turning device to carry out the turn-over with the cardboard of going up conveyer belt output after drying device dries the one side, the cardboard transmits to conveyer belt down after, dries the another side of cardboard, through above-mentioned scheme for the cardboard is dried more comprehensively, improves the oven-dry mass of cardboard.

The utility model discloses further set up: the drying device is a heating wire, and the heating wire is connected with a power supply, arranged on the inner top wall of the box body and uniformly arranged along the conveying direction of the conveying assembly.

Adopt above-mentioned scheme, use the heater as drying device, can make it keep good performance under the condition of long-term high temperature operation, evenly set up the heater at the box roof along transfer direction of conveying subassembly, can be to the even stoving of cardboard on the conveyer belt in the box.

The utility model is further provided with a plurality of openings evenly arranged on the two side walls in the box body along the conveying direction of the conveying component; all install on the opening and be used for taking out the air exhauster of the inside steam of box.

Adopt above-mentioned scheme, piling up of steam can make cardboard stoving shaping speed slow, offers the opening to the box, installs the air exhauster on the opening, utilizes the air exhauster to take away the steam in the box, reduces piling up of steam in the box, makes the technological process progress of cardboard stoving accelerate.

The utility model discloses further set up, box both sides outer wall along open-ended extending direction is provided with the intercommunication the opening, the drainage fill that is used for discharging inside steam, the unilateral of drainage fill is opened there is the case mouth and the diapire inclines along the case mouth direction, the case mouth bottom is provided with the steel ladle.

Adopt above-mentioned scheme, be provided with the drain bucket that is used for accepting air exhauster exhaust steam at box both sides outer wall, become the open-type exhaust mode originally airtight relatively, and the drain bucket only has an opening for when the air exhauster is done convulsions and is operated, the inside heat of box can not scatter and disappear in a large number, thereby the reduction causes the influence to the inside stoving flow of box. In addition, the bottom wall of the drainage hopper is inclined, and when water vapor is condensed into water drops, the water drops can slide through the inclined wall of the drainage hopper and cannot be accumulated inside the drainage hopper.

The utility model is further provided with a heat preservation and insulation layer connected with the feed inlet and the discharge outlet on the two sides of the box body.

By adopting the scheme, the heat insulating materials are arranged at the discharge port and the feeding port of the conveying belt and the box body, so that the temperature and the heat inside the box body are further kept, the heat inside the box body is taken away by the flowing of air, and the influence on the drying process flow caused by the heat is reduced.

The utility model discloses further set up the turning device includes: a motor mounted on the frame; the driving plate is arranged at the output end of the motor and is provided with a cylindrical pin; the two ends of the rotatable rod body are arranged on the rack and penetrate through the box body; the grooved wheel is arranged on the rod body, can rotate along with the rod body and is matched with the driving drive plate; and a U-shaped plate which is arranged on the rod body and can rotate along with the rod body.

Adopt above-mentioned scheme, utilize motor control geneva mechanism to rotate and make the body of rod can be intermittent type indexing motion, and then drive the U template of installing on the body of rod and carry out the turn-over to the cardboard to and with the cardboard from last conveyer belt transmission down on the conveyer belt, and adopt the U template as bearing the cardboard of conveyer belt output and realizing the subassembly of upset to the cardboard, can not break away from turning device when making the cardboard turn-over, keep better shape to the cardboard simultaneously.

The utility model is further provided with that the height of the rod body is consistent with the height of the bearing surface of the upper conveyor belt.

By adopting the scheme, the height of the rod body is consistent with that of the upper conveying belt, so that the U-shaped plate on the rod body can better bear the paper boards output by the upper conveying belt.

The utility model is further provided with that the U-shaped plate comprises a first plate fixed with the rod body; and the second plate is hinged to the first plate through a rotating assembly, and balls are arranged on the inner wall of the U-shaped plate.

Adopt above-mentioned scheme, the inner wall of U template is provided with the ball, and the top of U template sets up rotating assembly. The output of the upper conveyor belt enters the U-shaped panel (with the first panel horizontal down and the second panel horizontal up). The ball sets up and makes the cardboard get into the U template easier, and after the U template rotated 180 along with the body of rod, the primary importance that this moment was originally will be in opposite position with the secondary importance that originally (primary importance level was last this moment, secondary importance level is under), the runner assembly setting can make the secondary importance rotate this moment, thereby make the cardboard can follow on the secondary importance landing to the conveyer belt down, and then realize the upset of cardboard, make the cardboard two sides all can dry through drying device.

The utility model discloses further set up the runner assembly includes: the rotatable blocks are fixed on the outer wall of the first plate symmetrically; a rotating shaft mounted on the rotatable block and connected to the second plate; and a buffer spring connected between the first plate and the second plate.

By adopting the scheme, the second plate of the U-shaped plate can rotate towards the outer wall of the U-shaped plate by utilizing the rotating shaft and the mechanism of the rotatable block, wherein the buffer spring can enable the second plate to slowly rotate when rotating, and when the second plate rotates from 90 degrees to 180 degrees, the second plate cannot be enabled to rotate by an overlarge angle due to the influence of gravity when the second plate does not reach 180 degrees, so that the paperboard falls off from the second plate.

The utility model is further provided with that the bearing surfaces of the upper conveying belt and the lower conveying belt are provided with anti-skid lines.

By adopting the scheme, the upper conveying belt and the lower conveying belt are provided with the anti-slip lines, so that the paperboard can run more stably on the conveying belt without slipping.

To sum up, the utility model discloses following beneficial effect has:

adopt the drainage fill air exhauster exhaust, the steam in the discharge drying box that can be better for steam can not pile up in the inside of drying box, causes the influence to the cardboard stoving then. And the utility model discloses still set up turning device in the inside of box, with the cardboard turn-over for the cardboard originally need be simplified into a process flow and just can dry through secondary stoving process flow's process, improved drying equipment's drying efficiency, and then accelerated the process flow of drying, reduce the cost of production.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

fig. 2 is a schematic diagram of a position of a motor in an embodiment of the present invention;

fig. 3 is a schematic structural view of the turning device and the rotating assembly in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the driving dial and the sheave according to an embodiment of the present invention.

Reference numerals: 1. a frame; 21. uploading a conveyor belt; 22. a lower conveyor belt; 31. a box body; 32. a heater; 33. an exhaust fan; 34. a drainage hopper; 35. a water containing barrel; 41. a motor; 42. an active drive plate; 43. a rod body; 44. a grooved wheel; 451. a first plate; 452. a second plate; 453. a buffer spring; 46. a ball bearing; 47. a rotatable block; 48. a rotating shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In this embodiment:

as shown in fig. 1 and 2, in the present embodiment, a paperboard drying apparatus with high drying efficiency includes: a frame 1 erected on the ground; a conveying component for conveying the paper board is horizontally arranged on the frame 1; a box body 31 is arranged on the frame 1, the conveying assembly and the box body 31 are in a tunnel structure, the conveying assembly penetrates out of the box body 31, and the box body 31 extends along the conveying direction of the conveying assembly; the inner top wall of the box body 31 is provided with a drying device for drying the paper board.

Wherein, this conveying assembly is including last conveyer belt 21 and bottom sub-band 22, and the loading face of going up conveyer belt 21 and bottom sub-band 22 is equipped with anti-skidding line, this anti-skidding line can be so that the cardboard is more stable can not appear sliding when conveying on this conveying assembly, go up conveyer belt 21 and the part that bottom sub-band 22 is located box 31 and misplace the setting from top to bottom, be equipped with in box 31 and be used for carrying out the turning device of turn-over to the cardboard of going up conveyer belt 21 output, turning device can make the cardboard after the turn-over slip on the loading face of bottom sub-band 22.

In the embodiment, the drying device is the heating wire 32, and the heating wire 32 is used as the drying device, so that the drying device can maintain good heating performance under the condition of long-term high-temperature operation, and the heating wire 32 is connected with a power supply, is arranged on the inner top wall of the box body 31 and is uniformly arranged along the conveying direction of the conveying assembly.

On box 31 both sides inner wall, evenly seted up a plurality of openings along conveying assembly direction of transfer, all installed air exhauster 33 on these openings, air exhauster 33 welded fastening is on the opening inner wall, and aim at takes out the inside steam of box 31 for steam can not pile up in box 31, causes the influence to the cardboard stoving.

And be provided with drain bucket 34 at box 31 both sides outer wall, drain bucket 34 extends along the open-ended direction and arranges, this drain bucket 34 is linked together with opening and air exhauster 33, can be used for deriving the inside steam of the box 31 of air exhauster 33 exhaust, drain bucket 34's unilateral is opened there is the tank mouth, make steam can discharge to the external world from this tank mouth, drain bucket 34's diapire sets up along the slope of tank mouth direction in addition, when making steam condense into the drop of water, can pass through drain bucket 34 skew wall landing, can not pile up in drain bucket 34's inside, the tank mouth bottom is provided with ladle 35, ladle 35 can accept from drain bucket 34 discharged water.

Furthermore, the material inlet and the material outlet on both sides of the box 31 are both connected with a heat insulation layer, in this embodiment, the heat insulation layer is made of high temperature resistant heat insulation cotton, the heat insulation plate is fixed at the material outlet and the material inlet of the box 31 by screw connection, the heat insulation plate is not completely sealed with the material outlet and the material inlet, and a space for the paper feeding plate to enter and exit the box 31 on the conveying assembly is reserved at the bottom of the heat insulation plate.

As shown in fig. 3 and 4, in the present embodiment, the turnover device inside the box 31 includes: a motor 41 mounted on the frame 1; the driving dial 42 is arranged at the output end of the motor 41, the driving dial 42 is provided with a cylindrical pin, and the motor 41 can drive the driving dial 42 to rotate; a rod body 43 with two ends mounted on the frame 1, wherein the rod body 43 passes through the box body 31, the extending direction of the rod body 43 is vertical to the conveying direction of the paper board, and the rod body 43 can rotate on the box body 31; a grooved wheel 44 mounted on the lever 43, the grooved wheel 44 also being rotatable with the lever 43, and the grooved wheel 44 being matched with the driving dial 42; and a U-shaped plate mounted on the rod 43, which can also rotate with the rod 43.

When the motor 41 drives the driving dial 42 to rotate, the cylindrical pin on the driving dial 42 can toggle the grooved wheel 44, so that the grooved wheel 44 intermittently rotates, the grooved wheel 44 rotates to drive the rod body 43 to rotate, the rod body 43 rotates to drive the U-shaped plate to rotate, and the U-shaped plate can also intermittently rotate along with the grooved wheel 44. In addition, the height of the rod body 43 is the same as the height of the bearing surface of the upper conveyor belt 21, so that the U-shaped plate can better bear the paperboard.

In this embodiment, the U-shaped plate includes: a first plate 451 fixed to the rod body 43; and a second plate 452 hinged to the first plate 451 by a pivoting assembly for sliding the sheets from the U-shaped plate onto the lower conveyor 22, the pivoting assembly comprising: a rotatable block 47 fixed to the outer wall of the first plate 451 in a symmetrical manner; a rotation shaft 48 installed on the rotatable block 47 and connected to the second plate 452; and a buffer spring 453 connected between the first plate 451 and the second plate 452, wherein the maximum rotation angle of the rotation shaft 48 and the rotatable block 47 is limited to 30 ° because the first plate 451 and the second plate 452 are influenced by the tensile force of the buffer spring 453, and the ball 46 is embedded in the inner wall of the plate surface of the U-shaped plate.

When the sheets fed from the upper conveyor 21 enter the U-shaped plate, the first plate 451 of the U-shaped plate is the carrying surface, the second plate 452 of the U-shaped plate is the top surface, in this state, the bearing surface and the top surface are parallel (the first plate 451 is horizontally arranged at the lower part, the second plate 452 is horizontally arranged at the upper part), the U-shaped plate rotates along with the rod body 43, after the U-shaped plate rotates 180 degrees, at this point, the first plate 451 and the second plate 452 will be in opposite positions compared to the original positions, the first plate 451 will be the top surface, the second plate 452 will be the bearing surface (the first plate 451 is horizontally up, the second plate 452 is horizontally down), and the second plate 452 rotates by gravity, and the rotation angle of the second plate 452 is limited by the buffer spring 453, the second plate 452 rotates toward the lower conveyer 22, and thus the second plate 452, is tilted, whereupon the sheet may slide off the U-shaped plate, into the lower conveyor 22, when the U-shaped plate rotates again, the top panel can restore to be parallel to the bearing surface along with the action of gravity.

In this implementation, the cardboard dries the flow and is earlier inside along with last conveyer belt 21 gets into box 31 from the pan feeding mouth that is located last conveyer belt 21, receive heater 32 stoving back inside box 31, through turning device for the cardboard turn-over falls into lower conveyer belt 22, passes through heater 32's stoving once more on lower conveyer belt 22, discharges from the discharge gate that is located on lower conveyer belt 22, makes the cardboard two sides all through drying, and the condition that one side was dried completely the opposite side and is not dried completely can not appear. In addition, when the cardboard drying process is performed, the exhaust fan 33 is always operated to exhaust the moisture inside the box 31 from the opening through the drain bucket 34 and through the box opening, wherein the water drops slide down from the bottom wall of the drain bucket 34 to the water tub 35.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without contribution after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a cardboard drying equipment that drying efficiency is high which characterized in that includes:

a frame (1);

the conveying assembly is horizontally arranged on the rack (1);

and a box (31) mounted on the frame (1) and located on the conveying assembly and extending along the conveying direction of the conveying assembly;

a drying device arranged in the box body (31) for drying the paper board,

the conveying assembly comprises an upper conveying belt (21) and a lower conveying belt (22), the upper conveying belt (21) and the lower conveying belt (22) are positioned in the box body (31) and are arranged in a vertically staggered mode, and a turnover device used for turning over the paperboard output by the upper conveying belt (21) so that the turned-over paperboard slides onto the lower conveying belt (22) is arranged in the box body (31).

2. A cardboard drying apparatus with high drying efficiency according to claim 1, characterized in that the drying device is a heating wire (32), the heating wire (32) is connected with a power supply and is arranged on the inner top wall of the box body (31) and is evenly arranged along the conveying direction of the conveying component.

3. A cardboard drying apparatus with high drying efficiency according to claim 1, characterized in that a plurality of openings are arranged uniformly on two side walls in the box (31) along the conveying direction of the conveying assembly; and exhaust fans (33) for exhausting water vapor in the box body (31) are arranged on the openings.

4. The cardboard drying equipment with high drying efficiency as claimed in claim 3, wherein the outer walls of two sides of the box body (31) are provided with a drainage hopper (34) communicated with the opening along the extending direction of the opening for draining the internal moisture, the drainage hopper (34) is provided with a box opening on one side, the bottom wall of the drainage hopper is inclined along the direction of the box opening, and the bottom of the box opening is provided with a water tank (35).

5. The paperboard drying equipment with high drying efficiency as claimed in claim 1, wherein the inlet and outlet of the box body (31) are connected with heat insulation layers.

6. A board drying apparatus with high drying efficiency as claimed in claim 1, wherein said turnover device comprises: a motor (41) mounted on the frame (1); an active dial plate (42) which is arranged at the output end of the motor (41) and is provided with a cylindrical pin; a rotatable rod body (43) with two ends mounted on the frame (1) and penetrating through the box body (31); a grooved wheel (44) which is arranged on the rod body (43), can rotate along with the rod body (43) and is matched with the driving dial (42); and a U-shaped plate which is arranged on the rod body (43) and can rotate along with the rod body (43).

7. A paperboard drying apparatus with high drying efficiency as set forth in claim 6 wherein said rod (43) is at a height corresponding to the height of the carrying surface of said upper conveyor (21).

8. A board drying apparatus having high drying efficiency according to claim 6 wherein said U-shaped board comprises: a first plate (451) fixed to the rod body (43); and a second plate (452) hinged to the first plate (451) by a rotating assembly, the inner wall of the U-shaped plate is provided with a ball (46).

9. A board drying apparatus having an improved drying efficiency as set forth in claim 8, wherein said rotating assembly comprises: a rotatable block (47) fixed to the outer wall of the first plate (451) in a symmetrical manner; a rotating shaft (48) mounted on the rotatable block (47) and connected to the second plate (452); and a buffer spring (453) connected between the first plate (451) and the second plate (452).

10. The paperboard drying apparatus with high drying efficiency as claimed in claim 1, wherein the carrying surfaces of the upper conveyor belt (21) and the lower conveyor belt (22) are provided with anti-slip lines.