Drying device for kraft paper

Abstract

The utility model relates to the technical field of kraft paper processing equipment, and discloses a kraft paper drying device which comprises a drying chamber and further comprises an unfolding mechanism, a first adjusting mechanism, a base, a second adjusting mechanism and kraft paper. The bottom end of the first adjusting mechanism is fixedly connected with the top end of the unfolding mechanism, the unfolding mechanism comprises a threaded shaft, the top end of the base is movably sleeved with two guide rollers, the side face of the threaded shaft is in threaded connection with a lifting table, and the top end of the lifting table is fixedly connected with a pressure spring. The top end of the pressure spring is fixedly connected with a mounting block, and the side face of the mounting block is movably sleeved with a tensioning roller. According to the drying device for the kraft paper, the first adjusting mechanism and the second adjusting mechanism are adjusted, so that the unfolding mechanism provides tension within a certain range for the kraft paper, the kraft paper is completely unfolded, and damage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to kraft paper processing equipment technical field more specifically, and it is a kind of drying device for kraft paper. BACKGROUND

[0002] Kraft paper is often used for packaging paper, such as cement bag paper, envelope paper, glue sealing paper, asphalt paper, cable protection paper, insulating paper, etc., due to its high tear resistance, rupture function and dynamic strength. In the production process of kraft paper, a drying device is needed to dry the kraft paper and remove the moisture in it. During production, the kraft paper is stored and placed using a winding drum. During drying, the kraft paper on the winding drum is unrolled and fed into the drying chamber of the drying device, where it is heated and dried by hot air or steam.

[0003] The existing technology has the following shortcomings: the existing drying device uses guide rollers to feed the kraft paper into the middle of one side of the drying chamber. After drying the upper and lower surfaces of the kraft paper in the drying chamber, it is removed from the other side. However, different specifications of kraft paper have different strengths, and it is difficult to accurately control the pulling force on the kraft paper during transportation. It is also difficult to determine whether the kraft paper is tightly unrolled. During drying, wrinkles may occur, or the kraft paper may be damaged due to excessive pulling force. UTILITY MODEL CONTENT

[0004] To overcome the above-mentioned defects of the prior art, the utility model provides a drying device for kraft paper to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drying device for kraft paper, comprising a drying chamber, further comprising: an unrolling mechanism, a first adjusting mechanism, a base, a second adjusting mechanism and kraft paper. The bottom end of the drying chamber is fixedly connected to the top end of the base. The bottom end of the unrolling mechanism is fixedly connected to the top end of the base. The bottom end of the first adjusting mechanism is fixedly connected to the top end of the unrolling mechanism. The bottom end of the second adjusting mechanism is fixedly connected to the top end of the unrolling mechanism. The side surface of the kraft paper is movably connected to the side surface of the unrolling mechanism. The unrolling mechanism comprises a threaded shaft. The bottom end of the threaded shaft movably sleeves a bottom shell. The bottom end of the bottom shell is fixedly connected to the top end of the base. The top end of the base movably sleeves two guide rollers. The side surface of the threaded shaft is screw-connected with a lifting platform. The top end of the lifting platform is fixedly connected with a compression spring. The top end of the compression spring is fixedly connected with a mounting block. The side surface of the mounting block movably sleeves a tensioning roller. The two guide rollers are symmetrically distributed along the center of the tensioning roller. The bottom end of the first adjusting mechanism is fixedly connected to the top end of the lifting platform. The bottom end of the second adjusting mechanism is fixedly connected to the top end of the lifting platform. The kraft paper passes through the bottom end of the guide roller and the top end of the tensioning roller in sequence.

[0006] Further, the bottom end inner wall of the bottom shell is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with the bottom end of a threaded shaft, a transmission wheel is fixedly sleeved with the side surface of the threaded shaft, the side surface of the transmission wheel is drivingly connected with a transmission wheel, the top end of the base is fixedly connected with a stand, the top end of the lifting platform is provided with a through hole, and the side surface of the through hole is movably connected with the side surface of the stand.

[0007] Further, the top end of the lifting platform is fixedly connected with a limiting pin at the position corresponding to the compression spring, the top end of the mounting block is provided with a limiting hole, and the side surface of the limiting hole is movably connected with the side surface of the limiting pin.

[0008] Further, the first adjusting mechanism comprises a threaded rod, the bottom end of the threaded rod is movably sleeved with the top end of the lifting platform, the side surface of the threaded rod is threadedly connected with a control device, the top end of the lifting platform is fixedly connected with a limiting rod, and the side surface of the limiting rod is movably sleeved with the side surface of the control device.

[0009] Further, the top end of the limiting rod is fixedly connected with a top plate, the top end of the top plate is movably sleeved with a worm, the side surface of the threaded rod is fixedly sleeved with a worm wheel, the side surface of the worm wheel is meshed with the side surface of the worm, and the side surface of the worm is provided with a six-rib clamping groove.

[0010] Further, the control device comprises a connecting block, the side surface of the connecting block is provided with a mounting hole, the side surface of the mounting hole is fixedly connected with a buffer spring, the side surface of the buffer spring is fixedly connected with a touch switch, the side surface of the mounting hole is fixedly connected with a return spring, and the side surface of the return spring is fixedly connected with a connecting frame.

[0011] Further, the side surface of the connecting frame is movably connected with a roller through a pin, and the side surface of the mounting block is provided with an arc corner at the position corresponding to the control device.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1. The utility model discloses a first adjusting mechanism and second adjusting mechanism are adjusted in proper order according to use demand, make the first adjusting mechanism and second adjusting mechanism with the top of mounting block keep proper spacing, drive the threaded shaft rotation through the inside driving part of bottom shell in the use process, make the lifting platform move up and down through the thread, make the tension roller and two guide rollers cooperate and tighten the kraft paper, when the pressure spring contracts, the kraft paper is sent into the middle part of drying chamber and is dried on two sides under the action of traction device, when the kraft paper is subjected to excessive tension, the pressure spring contracts and makes the mounting block move down, makes the mounting block contact with the first adjusting mechanism, the first adjusting mechanism controls the inside driving part of bottom shell and drives the threaded shaft rotation to make the lifting platform move down, thereby makes the mounting block separate from the first adjusting mechanism, when the kraft paper is subjected to insufficient tension, the pressure spring pushes the mounting block and makes the mounting block contact with the second adjusting mechanism, the second adjusting mechanism controls the inside driving part of bottom shell and drives the threaded shaft rotation to make the lifting platform move up, thereby makes the mounting block separate from the second adjusting mechanism, thereby control the deformation of pressure spring, control the thrust of pressure spring and push the mounting block in a certain range, thereby control the tension of kraft paper in proper range, thereby ensure that the second adjusting mechanism is completely stretched and expanded, avoid damage caused by excessive tension simultaneously, be favorable to improve the quality of kraft paper after drying, avoid kraft paper damage.

[0014] 2. The utility model discloses a six -sided spanner is inserted into six -sided card slot inside rotation worm through the thread rod rotation that worm and worm wheel are mutually engaged and drive, drive the thread rod along the limiting rod up and down movement through the thread, make the control device and the bottom of mounting block keep proper spacing, adjust the second adjusting mechanism by analogy, thereby realize the setting of the maximum value and minimum value of the tension of kraft paper of expansion mechanism, satisfy the control of different tension of different specifications kraft paper, be favorable to improve the flexibility of equipment. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the expansion mechanism section structure schematic diagram of the utility model;

[0017] Figure 3 It is the expansion mechanism structure schematic diagram of the utility model;

[0018] Figure 4 It is the lifting platform place structure schematic diagram of the utility model;

[0019] Figure 5 It is the Figure 4 A place structure schematic diagram of the utility model;

[0020] Figure 6 It is the control device section structure schematic diagram of the utility model.

[0021] 1, drying chamber; 2, unfolding mechanism; 201, threaded shaft; 202, tensioning roller; 203, mounting block; 204, guide roller; 205, stand; 206, bottom shell; 207, lifting platform; 208, transmission wheel; 209, driving motor; 210, through hole; 211, limit pin; 212, limit hole; 213, pressure spring; 3, first adjusting mechanism; 301, control device; 3011, connecting block; 3012, mounting hole; 3013, buffer spring; 3014, touch switch; 3015, roller; 3016, connecting frame; 3017, reset spring; 302, limit rod; 303, threaded rod; 304, top plate; 305, worm; 306, worm gear; 307, hexagonal clamping groove; 4, base; 5, second adjusting mechanism; 6, kraft paper. DETAILED DESCRIPTION

[0022] The technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and additionally, the forms of each structure described in the following embodiments are only examples, and the kraft paper drying device involved in the utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0023] Reference Figures 1 to 6The utility model provides a kind of drying device for kraft paper, including drying chamber 1, still include: unfolding mechanism 2, first adjusting mechanism 3, base 4, second adjusting mechanism 5 and kraft paper 6, the bottom end of drying chamber 1 is fixedly connected with the top end of base 4, the bottom end of unfolding mechanism 2 is fixedly connected with the top end of base 4, the bottom end of first adjusting mechanism 3 is fixedly connected with the top end of unfolding mechanism 2, the bottom end of second adjusting mechanism 5 is fixedly connected with the top end of unfolding mechanism 2, the side of kraft paper 6 is movably connected with the side of unfolding mechanism 2, unfolding mechanism 2 includes threaded shaft 201, the bottom end of threaded shaft 201 movably sleeve joint has bottom shell 206, the bottom end of bottom shell 206 is fixedly connected with the top end of base 4, the top end of base 4 movably sleeve joint has two guide rollers 204, the side of threaded shaft 201 is screw-connected with lifting platform 207, the top end of lifting platform 207 is fixedly connected with pressure spring 213, the top end of pressure spring 213 is fixedly connected with mounting block 203, the side of mounting block 203 movably sleeve joint has tension roller 202, two sides guide roller 204 is along the center symmetry distribution of tension roller 202, the bottom end of first adjusting mechanism 3 is fixedly connected with the top end of lifting platform 207, the bottom end of second adjusting mechanism 5 is fixedly connected with the top end of lifting platform 207, kraft paper 6 passes through the bottom end of guide roller 204 and the top end of tension roller 202 in turn, both sides of drying chamber 1 are equipped with unfolding mechanism 2, when kraft paper 6 is dried, kraft paper 6 passes through guide roller 204 and tension roller 202 in turn, according to use demand, first adjusting mechanism 3 and second adjusting mechanism 5 are adjusted in turn, so that first adjusting mechanism 3 and second adjusting mechanism 5 keep appropriate interval with the top end of mounting block 203, in the use process, threaded shaft 201 is rotated by inside driving component of bottom shell 206, moves up and down by screw lifting platform 207, makes tension roller 202 and two guide rollers 204 cooperate and tighten kraft paper 6, at this moment, pressure spring 213 contracts, kraft paper 6 is sent into middle part of drying chamber 1 and is dried on two sides under the action of traction device, when kraft paper 6 is subjected to excessive tension, pressure spring 213 contracts and makes mounting block 203 move downwards, so that mounting block 203 contacts with first adjusting mechanism 3, first adjusting mechanism 3 controls inside driving component of bottom shell 206 and rotates threaded shaft 201, so that lifting platform 207 moves downwards, thereby mounting block 203 is separated from first adjusting mechanism 3, when kraft paper 6 is subjected to insufficient tension, pressure spring 213 pushes mounting block 203 and moves upwards, so that mounting block 203 contacts with second adjusting mechanism 5, second adjusting mechanism 5 controls inside driving component of bottom shell 206 and rotates threaded shaft 201, so that lifting platform 207 moves upwards, thereby mounting block 203 is separated from second adjusting mechanism 5, so that the deformation of pressure spring 213 is controlled, the thrust of pressure spring 213 pushing mounting block 203 is controlled within a certain range, so that the tension of kraft paper 6 is controlled within a suitable range, thereby ensuring that second adjusting mechanism 5 is completely stretched out, while avoiding damage caused by excessive tension.

[0024] The bottom end inner wall of the bottom shell 206 is fixedly connected with a driving motor 209, the output shaft of the driving motor 209 is fixedly connected with the bottom end of the threaded shaft 201, the side surface of the threaded shaft 201 is fixedly sleeved with a transmission wheel 208, the side surface of the transmission wheel 208 is drivingly connected with a transmission wheel 208, the top end of the base 4 is fixedly connected with a stand 205, the top end of the lifting platform 207 is provided with a through hole 210, the side surface of the through hole 210 is movably connected with the side surface of the stand 205, the driving motor 209 drives the rotation of the threaded shaft 201 on one side, the transmission wheels 208 on both sides are connected through a transmission belt, so that the two threaded shafts 201 are driven to rotate at the same time, when the lifting platform 207 moves up and down, the through hole 210 slides along the stand 205 to limit the lifting platform 207.

[0025] The top end of the lifting platform 207 is fixedly connected with a limiting pin 211 corresponding to the position of the pressure spring 213, the top end of the mounting block 203 is provided with a limiting hole 212, the side surface of the limiting hole 212 is movably connected with the side surface of the limiting pin 211, when the pressure spring 213 deforms, the limiting pin 211 slides along the limiting hole 212 to limit the movement of the mounting block 203 in the vertical direction.

[0026] The first adjusting mechanism 3 comprises a threaded rod 303, the bottom end of the threaded rod 303 is movably sleeved with the top end of the lifting platform 207, the side surface of the threaded rod 303 is screwedly connected with a control device 301, the top end of the lifting platform 207 is fixedly connected with a limiting rod 302, the side surface of the limiting rod 302 is movably sleeved with the side surface of the control device 301, rotating the threaded rod 303 drives the threaded rod 303 to move up and down along the limiting rod 302 through the thread, so that the control device 301 and the top end of the lifting platform 207 maintain a proper distance, and the second adjusting mechanism 5 is adjusted in the same way.

[0027] The top end of the limiting rod 302 is fixedly connected with a top plate 304, the top end of the top plate 304 is movably sleeved with a worm 305, the side surface of the threaded rod 303 is fixedly sleeved with a worm wheel 306, the side surface of the worm wheel 306 is meshed with the side surface of the worm 305, the side surface of the worm 305 is provided with a six-rib clamping groove 307, a six-rib wrench is inserted into the six-rib clamping groove 307 to rotate the worm 305, which drives the threaded rod 303 to rotate through the mutual meshing of the worm 305 and the worm wheel 306.

[0028] The control device 301 comprises a connecting block 3011, a mounting hole 3012 is arranged on the side of the connecting block 3011, a buffer spring 3013 is fixedly connected to the side of the mounting hole 3012, a touch switch 3014 is fixedly connected to the side of the buffer spring 3013, a reset spring 3017 is fixedly connected to the side of the mounting hole 3012, a connecting frame 3016 is fixedly connected to the side of the reset spring 3017, when the mounting block 203 moves to the position of the control device 301, the mounting block 203 is in contact with the connecting frame 3016, so that the connecting frame 3016 is retracted into the inside of the mounting hole 3012 and is in contact with the touch switch 3014, the touch switch 3014 controls the start of the unfolding mechanism 2, when the connecting frame 3016 is separated from the mounting block 203, the reset spring 3017 pushes the connecting frame 3016 to move outward, so that the connecting frame 3016 is separated from the touch switch 3014, and the touch switch 3014 controls the stop of the unfolding mechanism 2.

[0029] The side of the connecting frame 3016 is movably connected with a roller 3015 through a pin, and the side of the mounting block 203 is provided with a circular arc corner corresponding to the position of the control device 301, when the mounting block 203 moves to the position of the connecting frame 3016, the roller 3015 is in contact with the circular arc corner on the side of the mounting block 203, so that the blockage is avoided.

[0030] The utility model discloses a working principle: kraft paper 6 passes through guide roller 204 and tensioning roller 202 in proper order, according to kraft paper specification, will six pronged wrench insert six pronged slot 307 inside rotation worm 305 through worm 305 and worm wheel 306 mutual engagement drive screw rod 303 rotation, drive screw rod 303 along the spacing bar 302 up and down movement through screw, make control device 301 with the bottom end of mounting block 203 keep proper spacing, and adjust second adjusting mechanism 5 by analogy to adjust;Start drive motor 209 drive one side screw shaft 201 rotation, both sides transmission wheel 208 is connected through transmission belt to drive two screw shafts 201 rotation simultaneously, screw drive lifting platform 207 up and down movement, until pressure spring 213 shrinkage makes mounting block 203 move between first adjusting mechanism 3 and second adjusting mechanism 5, at this moment, make pressure spring 213 push mounting block 203 upwards make tensioning roller 202 and two guide rollers 204 cooperate and tighten kraft paper 6, when kraft paper 6 is under the action of traction device and is sent into the middle part of drying chamber 1 and carries out two sides drying, when kraft paper 6 is under too much tension, pressure spring 213 shrinkage makes mounting block 203 move downwards, make mounting block 203 with first adjusting mechanism 3 contact;And when mounting block 203 moves to control device 301 position, mounting block 203 with gyro wheel 3015 contact make connecting frame 3016 enter installation hole 3012 inside and with touch switch 3014 contact, make touch switch 3014 control drive motor 209 start, to drive screw shaft 201 rotation make lifting platform 207 move downwards, to make mounting block 203 and gyro wheel 3015 separate, reset spring 3017 push connecting frame 3016 and move to the outside, make connecting frame 3016 and touch switch 3014 separate, touch switch 3014 control drive motor 209 stop, when kraft paper 6 is under too little tension, pressure spring 213 push mounting block 203 upwards move make mounting block 203 and second adjusting mechanism 5 contact, second adjusting mechanism 5 control bottom shell 206 inside drive part drive screw shaft 201 rotation make lifting platform 207 move upwards, to make mounting block 203 and second adjusting mechanism 5 separate, to control the deformation of pressure spring 213, control pressure spring 213 push mounting block 203 thrust in a certain range, to control the tension of kraft paper 6 in proper range, to ensure that second adjusting mechanism 5 tight completely unroll simultaneously, avoid too much tension and cause damage.

[0031] The above only is the preferred embodiment of the utility model, and does not use for limiting the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should include in the protection scope of the utility model.

Claims

1. A drying apparatus for kraft paper comprising a drying chamber (1), characterized in that, Also includes: The bottom end of the bottom shell (206) is fixedly connected with the inner wall of the drive motor (209), the output shaft of the drive motor (209) is fixedly connected with the bottom end of the threaded shaft (201), the side of the threaded shaft (201) is fixedly sleeved with the transmission wheel (208), the side of the transmission wheel (208) is drivingly connected with the transmission wheel (208), the top end of the base (4) is fixedly connected with the vertical column (205), the top of the lifting platform (207) is provided with a through hole (210), the side of the through hole (210) is movably connected with the side of the vertical column (205).

2. A drying device for kraft paper as claimed in claim 1, characterized in that: The top of the lifting platform (207) is fixedly connected with the position of the limiting pin (211) corresponding to the pressure spring (213), the top of the mounting block (203) is provided with a limiting hole (212), and the side of the limiting hole (212) is movably connected with the side of the limiting pin (211).

3. A drying device for kraft paper as claimed in claim 1, wherein: The structure of the first adjusting mechanism (3) is the same as that of the second adjusting mechanism (5), the first adjusting mechanism (3) comprises a threaded rod (303), the bottom end of the threaded rod (303) is movably sleeved with the top of the lifting platform (207), the side of the threaded rod (303) is threadedly connected with a control device (301), the top of the lifting platform (207) is fixedly connected with a limiting rod (302), and the side of the limiting rod (302) is movably sleeved with the side of the control device (301).

4. A drying device for kraft paper as claimed in claim 1, wherein: ​ 5. A drying device for kraft paper as claimed in claim 4, characterized in that: The top end of the limiting rod (302) is fixedly connected with a top plate (304), the top end of the top plate (304) is movably sleeved with a worm (305), the side surface of the threaded rod (303) is fixedly sleeved with a worm wheel (306), the side surface of the worm wheel (306) and the side surface of the worm (305) are mutually engaged, and the side surface of the worm (305) is provided with a six-rib clamping groove (307).

6. A drying device for kraft paper as claimed in claim 4, wherein: The control device (301) comprises a connecting block (3011), the side surface of the connecting block (3011) is provided with a mounting hole (3012), the side surface of the mounting hole (3012) is fixedly connected with a buffer spring (3013), the side surface of the buffer spring (3013) is fixedly connected with a touch switch (3014), the side surface of the mounting hole (3012) is fixedly connected with a reset spring (3017), and the side surface of the reset spring (3017) is fixedly connected with a connecting frame (3016).

7. A drying device for kraft paper as claimed in claim 6, characterized in that: The side surface of the connecting frame (3016) is movably connected with a roller (3015) through a pin, and the side surface of the mounting block (203) is provided with a circular arc corner corresponding to the position of the control device (301).

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