CN115976871A

CN115976871A - Drying rotary drum for papermaking

Info

Publication number: CN115976871A
Application number: CN202310260075.2A
Authority: CN
Inventors: 冯爱民
Original assignee: Zhucheng City Tiangong Paper Making Machinery Co ltd
Current assignee: Zhucheng City Tiangong Paper Making Machinery Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-04-18
Anticipated expiration: 2043-03-17
Also published as: CN115976871B

Abstract

The invention discloses a drying drum for papermaking, which relates to the technical field of papermaking drying and comprises a supporting table, wherein a winding drum roller for winding paper is rotatably arranged on the supporting table, a pushing column I and a pushing column II which respectively correspond to two sides of a rotating shifting plate are fixed on the supporting table, an elastic positioning assembly is connected between the rotating shifting plate and a box body, a suspension bracket is fixed at the bottom of a vertical rack I, and a transmission assembly for driving the winding drum roller to rotate in a stepping manner is arranged on the suspension bracket.

Description

Drying rotary drum for papermaking

Technical Field

The invention relates to the technical field of papermaking drying, in particular to a drying drum for papermaking.

Background

The paper making process is one important ancient Chinese worker, and includes diluting paper pulp suitable for paper quality with water to certain concentration, dewatering in the net part of paper making machine to form wet paper sheet, squeezing to dewater, and stoving in a stoving unit to obtain dry paper product.

But present drying device for papermaking in the use, the paper rigidity can not remove, leads to can not carrying out segmentation, key drying process to the different positions of paper one by one, causes the paper drying inadequately and paper can not get timely level and smooth in the drying process very easily, produces the fold easily, is unfavorable for promoting papermaking quality. Therefore, in view of the above technical drawbacks of the prior art, a drying drum for papermaking is provided to solve the above problems.

Disclosure of Invention

The present invention is directed to a drying drum for papermaking, which solves the problems set forth above in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a papermaking uses dry rotary drum, includes the brace table, rotates on the brace table to install and is used for rolling up the roll around the paper, slidable mounting has the slip frame on the brace table, be fixed with the box on the slip frame, cavity brush board and hollow brush rotary drum are installed respectively to both sides about the paper, and a plurality of bar exhaust hole II has been seted up to cavity brush board bottom, a plurality of bar exhaust hole I has been seted up on the cavity brush rotary drum, cavity brush board and the inside hot-air that has all let in of cavity brush rotary drum, rotate on the box and install and rotate and dial the board, be fixed with on the brace table and dial the support post I and the support post II that correspond with rotation dial board both sides respectively, rotate dial the board with be connected with the elastic positioning subassembly between the box, rotate dial on the board coaxial fixed mounting have an intermediate gear, the both sides of intermediate gear respectively the meshing be connected with the vertical rack I and the vertical rack II that slide connection with the box, vertical rack II with cavity brush board is fixed, vertical rack I bottom is fixed with hang and install on the frame and rotate and be used for the hollow shaft and hang the servo motor drive connection subassembly the servo motor on the rotary drum, the slip frame is connected with the servo motor drive connection subassembly.

As a modified scheme of the invention: the elastic positioning subassembly is including fixing the post that extends on dialling the board in the rotation, it has fixed cover piece to fix the cover on the post to extend, it has the slip cover piece to extend slidable mounting on the post, the slip cover piece with fixedly connected with spring coil between the fixed cover piece, the spring coil activity cup joints on extending the post, it has the link to articulate on the slip cover piece, and the link is kept away from the one end of slip cover piece is articulated with the box.

As a modified scheme of the invention: two positioning blocks are fixed on the box body and are respectively positioned on two sides of the connecting frame.

As a modified scheme of the invention: the transmission assembly comprises a driving rack fixed on the suspension frame, a rotating shaft is coaxially fixed on the winding roller, a rotating gear is fixedly sleeved on the rotating shaft, and the driving rack is meshed and matched with the rotating gear.

As a modified scheme of the invention: a limiting sleeve block is fixed on the supporting table, a guide rod is vertically and slidably mounted on the limiting sleeve block, a friction arc block in friction butt joint with the rotating shaft is fixed on the guide rod, and a pushing spring is fixedly connected between the friction arc block and the limiting sleeve block.

As a modified scheme of the invention: coupling assembling includes slidable mounting and is in sliding block on the box, it installs band pulley I to rotate on the sliding block, fixed the cup jointing has band pulley III in the cavity pivot, servo motor's the coaxial band pulley II that is fixed with of output shaft, the transmission is connected with driving belt between band pulley I, band pulley II and the band pulley III.

As a modified scheme of the invention: the sliding block is sleeved on the guide post in a sliding manner, the guide post is sleeved with a connecting spring, and two ends of the connecting spring are fixed with the box body and the sliding block respectively.

As a modified scheme of the invention: the hollow brush rotating drum is characterized in that a moving gear is coaxially fixed at the end part of the hollow brush rotating drum, an upper rack and a lower rack which are arranged in parallel are fixedly installed on the supporting table, and the moving gear is alternately meshed and connected with the upper rack and the lower rack.

As a modified scheme of the invention: the box body is provided with an air heater, the outlet end of the air heater is communicated with a corrugated main pipe, the corrugated main pipe is communicated with a corrugated branch pipe, one end of the corrugated branch pipe is communicated with the hollow brush plate, and the other end of the corrugated branch pipe is communicated with the hollow rotating shaft.

Compared with the prior art, the invention has the beneficial effects that:

the sliding frame arranged in the paper winding and conveying device transversely moves, so that the hollow brush plate and the hollow brush rotary drum can move relative to paper, the paper can be sufficiently hot-air dried at different positions, the rotary gear drives the winding and rotary roller to rotate when the driving rack is meshed with the rotary gear, the paper is wound, the paper is conveyed in a stepping mode, the effect of sufficiently drying the paper section by section is achieved, and the sufficient drying degree of the paper is greatly improved.

The invention can intermittently deflect and position the rotating shifting plate by virtue of the elastic positioning assembly, so that the hollow brush rotary drum and the hollow brush plate can be close to paper when the paper is in a static period, the effective flattening effect of the paper is realized in the hot air drying process, the paper is prevented from generating wrinkles, the flatness of the dried paper is well ensured, and the papermaking quality is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from a certain viewing angle;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a portion of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the connection between the housing and the elastic positioning assembly of the present invention;

FIG. 6 is a schematic view of a connecting assembly according to the present invention;

FIG. 7 is a schematic view showing the structure of a hollow brush plate according to the present invention;

FIG. 8 is a schematic view showing the connection of the rotary shaft, the friction arc block, the guide bar and the urging spring according to the present invention.

In the figure: 1-supporting table, 2-winding and rotating roller, 3-sliding frame, 4-lower rack, 5-upper rack, 6-box, 7-hollow brush drum, 8-moving gear, 9-driving rack, 10-rotating gear, 11-suspension frame, 12-hollow brush board, 13-paper, 14-vertical rack I, 15-hot air blower, 16-corrugated main pipe, 17-rotating shaft, 18-servo motor, 19-pushing column I, 20-corrugated branch pipe, 21-hollow rotating shaft, 22-driving belt, 23-belt wheel I, 24-vertical rack II, 25-belt wheel II, 26-intermediate gear, 27-strip exhaust hole I, 28-connecting frame, 29-rotating shifting plate, 30-spring ring, 31-positioning block, 32-sliding sleeve block, 33-fixed sleeve block, 34-sliding block, 35-guide column, 36-connecting spring, 37-strip exhaust hole II, 38-friction arc block, 39-pushing spring, 40-positioning sleeve block, 41-limiting sleeve block, 42-sliding sleeve, 42-extending column, 43-extending column, and 44-belt wheel II.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-8, a drying drum for papermaking comprises a supporting table 1, a winding roller 2 for winding paper 13 is rotatably mounted on the supporting table 1, a sliding frame 3 is slidably mounted on the supporting table 1, a box body 6 is fixed on the sliding frame 3, a hollow brush plate 12 and a hollow brush drum 7 are respectively mounted on the upper and lower sides of the paper 13, a plurality of strip-shaped exhaust holes II37 are formed at the bottom of the hollow brush plate 12, a plurality of strip-shaped exhaust holes I27 are formed on the hollow brush drum 7, hot air is introduced into the hollow brush plate 12 and the hollow brush drum 7, a rotating dial plate 29 is rotatably mounted on the box body 6, a pushing post I19 and a pushing post II42 are fixed on the supporting table 1 and respectively correspond to two sides of the rotating dial plate 29, rotate and dial and be connected with elastic positioning component between board 29 and the box 6, it has intermediate gear 26 to rotate coaxial fixed mounting on the board 29 of dialling, the both sides meshing respectively of intermediate gear 26 are connected with vertical rack I14 and the vertical rack II24 with the vertical sliding connection of box 6, vertical rack II24 is fixed with cavity brush board 12, vertical rack I14 bottom is fixed with and suspends frame 11 in midair, it installs the cavity pivot 21 with the coaxial fixed of cavity brush rotary drum 7 to suspend in midair to rotate on the frame 11, it installs the transmission assembly who is used for the drive to wind the rotatory of 2 marching types of winding-up roller to suspend in midair on the frame 11, install servo motor 18 on the sliding frame 3, the drive is connected with coupling assembling on servo motor 18, coupling assembling is used for driving cavity pivot 21 rotatory.

This device is when using, carries out hot air drying to paper 13 from the top and the below of paper 13 respectively through cavity brush board 12 and cavity brush rotary drum 7 for paper 13 realizes two sides stoving effect, and the setting is rotatory around the transport of rolling up paper 13 realization paper 13 around rolling up roller 2, makes paper 13 can obtain comprehensively, abundant drying process.

The sliding frame 3 can slide relative to the supporting table 1, when the rotating shifting plate 29 abuts against the abutting-against post I19 for pushing, the rotating shifting plate 29 deflects and positions the rotating shifting plate 29 through the elastic positioning assembly, in the process, the rotating shifting plate 29 drives the intermediate gear 26 to rotate, the vertical rack I14 moves upwards, the vertical rack II24 moves downwards, the hollow brush plate 12 moves downwards to be attached to the upper surface of the paper 13, the hollow brush drum 7 moves upwards to be attached to the lower surface of the paper 13, so that the paper 13 can be sufficiently dried by hot air sprayed from the hollow brush plate 12 and the hollow brush drum 7, and along with the movement of the sliding frame 3, the hollow brush plate 12 and the hollow brush drum 7 can level the paper 13, wrinkles of the paper 13 are avoided, and the production quality of the paper 13 is guaranteed while the drying effect is improved.

And after the rotating shifting plate 29 and the pushing column II42 push, the rotating shifting plate 29 realizes the resetting effect, so that the hollow brush plate 12 and the hollow brush rotary drum 7 can carry out one-way flattening on the paper 13, the collision between the paper 13 winding process of the winding roller 2 and the flattening action of the hollow brush plate 12 and the hollow brush rotary drum 7 is avoided, and the stable conveying of the paper 13 in the drying process is well ensured.

Specifically, the elastic positioning assembly includes the extension post 44 that rotates on dialling the board 29, it has fixed nest of blocks 33 to fix the cover on the extension post 44, slidable mounting has the slip nest of blocks 32 on the extension post 44, fixedly connected with spring coil 30 between slip nest of blocks 32 and the fixed nest of blocks 33, spring coil 30 activity cup joints on extending post 44, it has link 28 to articulate on the slip nest of blocks 32, the one end that slip nest of blocks 32 was kept away from to link 28 is articulated with box 6, be fixed with two locating pieces 31 on the box 6, two locating pieces 31 are in link 28 both sides respectively.

Through the arrangement, when the rotary shifting plate 29 is pushed by the pushing column I19 and the pushing column II42 to deflect, the arranged spring ring 30 elastically stretches, so that the sliding sleeve block 32 applies pushing force to one end, far away from the box body 6, of the connecting frame 28, namely the connecting frame 28 has a rotating trend, the arranged positioning block 31 limits the position of the connecting frame 28, and the position stability of the connecting frame 28, the sliding sleeve block 32 and the rotary shifting plate 29 in the switching process is ensured, namely the stability of the paper 13 drying and leveling process is well ensured.

In addition, the transmission assembly comprises a driving rack 9 fixed on the suspension frame 11, a rotating shaft 17 is coaxially fixed on the winding roller 2, a rotating gear 10 is fixedly sleeved on the rotating shaft 17, and the driving rack 9 is meshed and matched with the rotating gear 10. A limiting sleeve block 40 is fixed on the supporting table 1, a guide rod 41 is vertically and slidably mounted on the limiting sleeve block 40, a friction arc block 38 in friction butt joint with the rotating shaft 17 is fixed on the guide rod 41, and a butting spring 39 is fixedly connected between the friction arc block 38 and the limiting sleeve block 40.

Through the arrangement, as shown in fig. 1, in the process that the sliding frame 3 moves towards one side of the rotating gear 10, after the driving rack 9 moves to be meshed with the rotating gear 10, the rotating gear 10 drives the winding roller 2 to rotate, so that the winding roller 2 can wind the paper 13, the dried paper 13 is wound, then the rotating dial plate 29 is pushed against the pushing column I19, the driving rack 9 moves upwards and is separated from the rotating gear 10, at the moment, the paper 13 is static, in the process that the sliding frame 3 moves back and forth, the effect of drying the paper 13 section by section and repeatedly is achieved, and the drying effect of the paper 13 is greatly improved.

Example 2

Referring to fig. 1-8, on the basis of embodiment 1, in addition, the connecting assembly includes a sliding block 34 slidably mounted on the box 6, a pulley I23 is rotatably mounted on the sliding block 34, a pulley III43 is fixedly sleeved on the hollow rotating shaft 21, a pulley II25 is coaxially fixed on an output shaft of the servo motor 18, and a transmission belt 22 is in transmission connection among the pulley I23, the pulley II25 and the pulley III 43. The box body 6 is fixedly provided with a guide post 35, the sliding block 34 is sleeved on the guide post 35 in a sliding mode, the guide post 35 is sleeved with a connecting spring 36, and two ends of the connecting spring 36 are fixed with the box body 6 and the sliding block 34 respectively.

Through the above arrangement, after the servo motor 18 is started, the servo motor 18 drives the belt wheel II25 to rotate, the belt wheel II25 drives the belt wheel III43 to rotate through the transmission belt 22, the belt wheel III43 drives the hollow rotating shaft 21 to rotate, so that the hollow rotating shaft 21 drives the hollow brush rotating drum 7 to rotate, hot air can flow around the paper 13 in a rotating mode, and the paper 13 can be sufficiently dried.

In addition, a moving gear 8 is coaxially fixed at the end of the hollow brush drum 7, an upper rack 5 and a lower rack 4 which are arranged in parallel are fixedly installed on the support table 1, and the moving gear 8 is alternately meshed and connected with the upper rack 5 and the lower rack 4.

In the rotating process of the moving gear 8, the moving gear 8 is firstly meshed with the lower rack 4, and after the rotating shifting plate 29 is abutted to the abutting column I19, the suspension frame 11 drives the moving gear 8 to move upwards, so that the moving gear 8 is meshed with the driving rack 9, further the moving gear 8 is alternately meshed with the lower rack 4 and the upper rack 5, the sliding frame 3 can reciprocate, and the paper 13 is comprehensively dried.

Wherein, install air heater 15 on box 6, the exit end intercommunication of air heater 15 is installed ripple and is responsible for 16, and ripple is responsible for and is installed ripple branch pipe 20 on 16 intercommunication, and the one end of ripple branch pipe 20 communicates with hollow brush board 12, and the other end of ripple branch pipe 20 communicates with hollow pivot 21. The hot air generated by the hot air blower 15 can be delivered to the inside of the corrugated main pipe 16, the hot air then enters the corrugated branch pipes 20, the hot air enters the inside of the hollow brush plate 12 and the hollow brush drum 7, and the hot air is then discharged through the hollow brush plate 12 and the hollow brush drum 7 to dry the paper 13.

In summary, the sliding frame 3 provided in the present invention moves laterally, so that the hollow brush plate 12 and the hollow brush drum 7 can move relative to the paper 13, and the paper 13 can be fully hot-air dried at different positions, and when the driving rack 9 is engaged with the rotating gear 10, the rotating gear 10 drives the winding roller 2 to rotate, so as to wind the paper 13, and the paper 13 achieves a step-by-step conveying effect, thereby achieving a full drying effect of the paper 13 section by section, and greatly improving a full drying degree of the paper 13. The invention can intermittently deflect and position the rotating shifting plate 29 by means of the elastic positioning component, so that when the paper 13 is in a static period, the hollow brush rotary drum 7 and the hollow brush plate 12 can be close to the paper 13, the effective leveling effect of the paper 13 is realized in the hot air drying process, the paper 13 is prevented from being wrinkled, the flatness of the dried paper 13 is well ensured, and the papermaking quality is improved.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art, and the above embodiments only represent preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but cannot therefore be understood as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations, modifications and substitutions can be made without departing from the spirit of the present invention, which falls within the scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. A drying rotary drum for papermaking comprises a supporting table (1), a winding and rotating roller (2) for winding paper (13) is rotatably mounted on the supporting table (1), a sliding frame (3) is slidably mounted on the supporting table (1), a box body (6) is fixed on the sliding frame (3), the drying rotary drum is characterized in that a hollow brush plate (12) and a hollow brush rotary drum (7) are respectively mounted on the upper side and the lower side of the paper (13), a plurality of strip-shaped exhaust holes II (37) are formed in the bottom of the hollow brush plate (12), a plurality of strip-shaped exhaust holes I (27) are formed in the hollow brush rotary drum (7), hot air is introduced into the hollow brush plate (12) and the hollow brush rotary drum (7), a rotating and shifting plate (29) is rotatably mounted on the box body (6), a pushing column I (19) and a pushing column II (42) which respectively correspond to two sides of the rotating and shifting plate (29) are fixed on the supporting table (1), an elastic positioning assembly is connected between the rotating and a gear shifting plate (29), a vertical rack (26) is coaxially connected with a vertical gear rack (24) which is fixedly connected with the vertical gear (24) and a vertical gear (24) which are respectively connected with the vertical gear (24), vertical rack I (14) bottom is fixed with and suspends frame (11) in midair, suspend in midair on frame (11) rotate install with cavity brush rotary drum (7) coaxial fixed cavity pivot (21), cavity pivot (21) and the inside intercommunication of cavity brush rotary drum (7), it is used for the drive to suspend to install on frame (11) in midair rotate the rotatory drive assembly of roller (2) marching type around the book, install servo motor (18) on sliding frame (3), the drive is connected with coupling assembling on servo motor (18), coupling assembling is used for the drive cavity pivot (21) are rotatory.

2. The papermaking drying drum as set forth in claim 1, characterized in that the elastic positioning assembly comprises an extension column (44) fixed on the rotary shifting plate (29), a fixed sleeve block (33) is fixedly sleeved on the extension column (44), a sliding sleeve block (32) is slidably mounted on the extension column (44), a spring ring (30) is fixedly connected between the sliding sleeve block (32) and the fixed sleeve block (33), the spring ring (30) is movably sleeved on the extension column (44), a connecting frame (28) is hinged on the sliding sleeve block (32), and one end of the connecting frame (28) away from the sliding sleeve block (32) is hinged to the box body (6).

3. A drying drum for paper making according to claim 2, characterized in that two positioning blocks (31) are fixed to the box (6), and the two positioning blocks (31) are respectively located at two sides of the connecting frame (28).

4. The papermaking dryer drum according to claim 1, characterized in that the transmission assembly comprises a driving rack (9) fixed on the suspension frame (11), a rotating shaft (17) is coaxially fixed on the winding roll (2), a rotating gear (10) is fixedly sleeved on the rotating shaft (17), and the driving rack (9) is engaged with the rotating gear (10).

5. The papermaking drying drum according to claim 4, characterized in that a limiting sleeve block (40) is fixed on the supporting table (1), a guide rod (41) is vertically and slidably mounted on the limiting sleeve block (40), a friction arc block (38) in friction contact with the rotating shaft (17) is fixed on the guide rod (41), and a pushing spring (39) is fixedly connected between the friction arc block (38) and the limiting sleeve block (40).

6. The papermaking dryer drum according to claim 1, characterized in that the connecting assembly includes a sliding block (34) slidably mounted on the box body (6), a pulley I (23) is rotatably mounted on the sliding block (34), a pulley III (43) is fixedly sleeved on the hollow rotating shaft (21), a pulley II (25) is coaxially fixed on an output shaft of the servo motor (18), and a transmission belt (22) is drivingly connected among the pulley I (23), the pulley II (25) and the pulley III (43).

7. The papermaking dryer drum according to claim 6, characterized in that a guide post (35) is fixedly mounted on the box body (6), the sliding block (34) is slidably sleeved on the guide post (35), a connecting spring (36) is sleeved on the guide post (35), and two ends of the connecting spring (36) are respectively fixed with the box body (6) and the sliding block (34).

8. A drying drum for papermaking according to claim 1, characterized in that a moving gear (8) is coaxially fixed at the end of the hollow brush drum (7), an upper rack (5) and a lower rack (4) are fixed on the support table (1) and are arranged in parallel, and the moving gear (8) is alternatively meshed with the upper rack (5) and the lower rack (4).

9. The papermaking dryer drum according to claim 1, wherein a hot air blower (15) is installed on the box body (6), an outlet end of the hot air blower (15) is connected with a corrugated main pipe (16), a corrugated branch pipe (20) is connected with the corrugated main pipe (16), one end of the corrugated branch pipe (20) is connected with the hollow brush plate (12), and the other end of the corrugated branch pipe (20) is connected with the hollow rotating shaft (21).