CN213707248U

CN213707248U - Tension adjusting device for slitting rewinder

Info

Publication number: CN213707248U
Application number: CN202022265464.9U
Authority: CN
Inventors: 李峰; 莫国贤
Original assignee: Wuxi Bosheng Packaging Material Co ltd
Current assignee: Wuxi Bosheng Packaging Material Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-16
Anticipated expiration: 2030-10-12

Abstract

The utility model relates to a cut the rewinding machine, especially, relate to a tension adjusting device for cutting rewinding machine, comprising a supporting seat, the regulating roller, detect the roller, the supporting seat is equipped with two, the regulating roller rotates respectively with the detection roller and connects between two supporting seats, it has vertical lift hole to open respectively on two supporting seats, the both ends of regulating roller are rotated respectively and are connected with the elevator, the elevator at both ends slides respectively downthehole at the lift of both sides, be equipped with the fine setting subassembly that is used for driving the elevator to go up and down on the supporting seat, be equipped with the locking subassembly that is used for locking fine setting subassembly on one of them supporting seat, be equipped with the detection component that is used for detecting the tensile spool paper. This application has the effect of finely tuning the tension of spool paper.

Description

Tension adjusting device for slitting rewinder

Technical Field

The application relates to a slitting rewinder, in particular to a tension adjusting device for the slitting rewinder.

Background

The cutting rewinding machine is a machine for cutting and arranging the base paper with large width and large diameter into finished paper rolls with uniform inside and outside, and has the main tasks of cutting off raw edges of the base paper, cutting the whole base paper into a plurality of widths meeting the specification of a user, and controlling the roll diameter of the finished paper rolls to enable the finished paper rolls to meet the specification of leaving a factory.

At present, chinese patent with publication number CN210758118U discloses a bobbin paper slitting rewinder, which comprises a chassis, a vertical plate, a slideway plate, a rewinding shaft, rewinding rollers, slitting cutters and a sliding handle, wherein a rewinding motor is installed at a concave part at the rear side of the slideway plate, the rewinding motor is connected with the rewinding shaft, the rewinding rollers are installed on the rewinding shaft, rewinding springs are installed on the rewinding shafts at two sides of the rewinding rollers, the slitting motors are installed at the front ends of the vertical plate, the slitting motors are connected with the slitting rollers, the slitting cutters are installed on the slitting rollers, and the sliding handle is installed at the tail ends of the slitting rollers.

In the working process of the slitting rewinder, the bobbin paper is divided into a plurality of equal parts through the slitting roller and is wound through the rewinding roller. However, since the width of the bobbin paper is narrowed after slitting, the tension of the bobbin paper affects the winding effect during rewinding of the bobbin paper, and the slit rewinder cannot adjust the tension of the bobbin paper.

SUMMERY OF THE UTILITY MODEL

In order to adjust the tension of spool paper, this application provides a tension adjusting device for cutting rewinding machine.

The application provides a tension adjusting device for cutting rewinding machine adopts following technical scheme:

the utility model provides a tension adjusting device for cutting rewinding machine, which comprises a supporting seat, the regulating roller, detect the roller, the supporting seat is equipped with two, the regulating roller rotates respectively with the detection roller and connects between two supporting seats, it has vertical lift hole to open respectively on two supporting seats, the both ends of regulating roller rotate respectively and are connected with the elevator, the elevator at both ends slides respectively in the lift hole of both sides, be equipped with the fine setting subassembly that is used for driving the elevator to go up and down on the supporting seat, be equipped with the locking subassembly that is used for locking fine setting subassembly on one of them supporting seat, be equipped with the tensile determine module that is used for detecting spool paper on two supporting seats.

Through adopting above-mentioned technical scheme, spool paper winding is on the surface of detection roller and regulating roller, and the tension condition of detection subassembly detection spool paper, staff utilize the fine setting subassembly to carry out lift adjustment to the regulating roller to make the tension of spool paper adjusted, the staff utilizes the locking subassembly can carry out the locking to the fine setting subassembly, improves stability. The staff utilizes fine setting subassembly drive adjusting roller to this tension of adjusting the spool paper, and makes its tension keep in suitable range, has improved the effect of the rewinding after the spool paper is cut.

Optionally, the fine setting subassembly includes differential screw, be equipped with the first screw thread section and the second screw thread section that the direction of rotation is the same and the helical pitch is unequal on the differential screw, the roof in lift hole is opened threaded hole, the upper surface of supporting seat is opened there is the through-hole that feeds through to the threaded hole, first screw thread section threaded connection is in the threaded hole, second screw thread section threaded connection is in the elevator, the top of differential screw is opened there is the inserting groove, the transversal regular polygon that personally submits of inserting groove, the cooperation of pegging graft in the inserting groove has the spiale, the top integrated into one piece of spiale has the drive shaft, the drive shaft rotates to.

Through adopting above-mentioned technical scheme, the staff rotates the drive shaft, the drive shaft drives the spiale rotation, the spiale drives differential screw rod and rotates, differential screw rod goes up and down along the screw hole, because the same and the helical pitch inequality of the soon of first screw section and second screw section, differential screw rod drives the elevator block slow movement, the screw rod rotates the round, the distance that the elevator block moved equals the helical pitch difference of first screw section and second screw section, the elevator block drives the slow lift of regulating roller, the effect that the regulating roller was finely tuned has been reached.

Optionally, the locking assembly comprises a bidirectional ratchet wheel and a thrust rod, the bidirectional ratchet wheel is fixedly sleeved on the driving shaft, and the supporting seat is provided with a sliding assembly for driving the thrust rod to be close to or far away from the bidirectional ratchet wheel.

By adopting the technical scheme, the worker inserts the thrust rod into the ratchet groove of the bidirectional ratchet by using the sliding assembly, so that the possibility of the rotation of the driving shaft under the condition that no manual operation is carried out can be reduced.

Optionally, all be equipped with the installation cover on two supporting seats, the installation cover is upper, lower both sides open-ended box, the outside at two-way ratchet is established to the installation cover, the subassembly that slides is including the axle that slides, the guiding tube, the elastic component, guiding tube fixed connection is on the inner wall of installation cover, the directional two-way ratchet of guiding tube, the cooperation of pegging graft of the axle that slides is in the guiding tube, the tip fixedly connected with of the directional two-way ratchet of axle that slides resists the board, the elastic component cover is established on the guiding tube, the elastic component is contradicted between the inner wall of resisting board and installation cover, thrust rod fixed connection resists the board and back from the side of the axle that slides, the directional.

Through adopting above-mentioned technical scheme, the elastic component is to resisting the application elastic action of board, and the drive resists the board and slides towards two-way ratchet, realizes the effect of locking, and the staff promotes the thrust rod and slides towards the direction of keeping away from two-way ratchet, can remove the effect of locking.

Optionally, the top of the mounting cover is connected with a top plate, the driving shaft penetrates through and is rotatably connected to the top plate, one top plate is provided with a guide hole, the length direction of the guide hole points to the driving shaft, a shifting rod is fixedly connected to the limiting plate, and the shifting rod slides in the guide hole.

Through adopting above-mentioned technical scheme, the staff promotes the driving lever, and the driving lever drives and resists board and thrust rod and slide, and the driving lever slides in the guiding hole, has improved the stability that the thrust rod slided.

Optionally, the detection assembly comprises a pressure sensor, mounting holes are formed in the two supporting seats respectively, the two ends of the detection roller are connected with connecting blocks in a rotating mode respectively, the connecting blocks at the two ends are located in the mounting holes in the two sides respectively, the pressure sensor is abutted between the bottom walls of the connecting blocks and the mounting holes, and the pressure sensor is electrically connected with an alarm.

Through adopting above-mentioned technical scheme, pressure sensor is used for detecting the pressure that the connecting block applyed pressure sensor to judge the tensile change of spool paper, when spool paper lax or tensile force was too big, the alarm reported to the police, reminds the staff to finely tune the dancer roll.

Optionally, the bottom wall of the mounting hole is provided with a limiting groove, and the pressure sensor is placed in the limiting groove.

Through adopting above-mentioned technical scheme, the spacing groove is used for reducing the possibility that pressure sensor rocked, improves the accuracy that detects.

Optionally, the side faces of the two supporting seats which are deviated from each other are respectively connected with a limiting plate for plugging the mounting hole.

Through adopting above-mentioned technical scheme, the limiting plate is used for restricting the axial float of detecting the roller, has improved and has detected roller pivoted stability.

In summary, the present application includes at least one of the following beneficial technical effects: the detection assembly detects the tension change of the bobbin paper, and then the worker adjusts the vertical height of the adjusting roller by using the fine adjustment assembly, so that the tension of the bobbin paper is adjusted, and the rewinding effect of the bobbin paper after slitting is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a cross-sectional view of an embodiment of the present application for embodying a trim assembly.

Fig. 3 is an exploded view of an embodiment of the present application for embodying a differential screw and a plug shaft.

FIG. 4 is a schematic structural diagram for embodying a locking assembly and a sliding assembly in the embodiment of the present application.

Description of reference numerals: 1. a supporting seat; 11. a lifting hole; 111. a guide groove; 12. a threaded hole; 13. a through hole; 14. mounting holes; 141. a limiting groove; 15. a limiting plate; 16. mounting a cover; 2. a regulating roller; 21. a lifting block; 22. a guide strip; 3. a detection roller; 31. connecting blocks; 4. a fine tuning component; 41. a differential screw; 411. inserting grooves; 42. a first thread segment; 43. a second thread segment; 44. a plug shaft; 45. a drive shaft; 46. a knob; 5. a locking assembly; 51. a bidirectional ratchet wheel; 52. a thrust rod; 6. a slipping component; 61. a slip axis; 62. a guide tube; 63. an elastic member; 64. a resistance plate; 65. a deflector rod; 66. a top plate; 661. a guide hole; 662. a hole of abdication; 7. a detection component; 71. a pressure sensor; 72. an alarm.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a tension adjusting device for a slitting rewinder. Referring to fig. 1, the tension adjusting device for the slitting rewinder comprises two supporting seats 1, two adjusting rollers 2 and two detection rollers 3, wherein the two supporting seats 1 are arranged oppositely, and the two adjusting rollers 2 and the two detection rollers 3 are respectively and rotatably connected between the two supporting seats 1.

Referring to fig. 1 and 2, lifting holes 11 are respectively formed in two supporting seats 1, two ends of each adjusting roller 2 are respectively rotatably connected with lifting blocks 21, the lifting blocks 21 at the two ends respectively slide in the lifting holes 11 at the two sides, and fine adjustment assemblies 4 used for driving the lifting blocks 21 to vertically move are arranged on the supporting seats 1. The fine adjustment assembly 4 comprises a differential screw 41, and the differential screw 41 is provided with a first thread section 42 and a second thread section 43 which have the same rotation direction and different lead.

Referring to fig. 2, a threaded hole 12 is formed in the top wall of the lifting hole 11, a through hole 13 communicated with the threaded hole 12 is formed in the upper surface of the support base 1, a first threaded section 42 is in threaded connection with the lifting hole 11, and a second threaded section 43 is in threaded connection with the lifting block 21. Meanwhile, in order to improve the stability of the lifting block 21 during lifting, two guide bars 22 are integrally formed on two side surfaces of the lifting block 21, which are attached to the inner wall of the lifting hole 11, respectively, and guide grooves 111 for the guide bars 22 to slide are formed on two vertical inner walls of the lifting hole 11, respectively.

Referring to fig. 2 and 3, the top end of the differential screw 41 is provided with an insertion groove 411, the cross section of the insertion groove 411 is in a regular hexagon, and the insertion shaft 44 is inserted and matched in the insertion groove 411. A driving shaft 45 is integrally formed at the tip end of the insertion shaft 44, and the driving shaft 45 is rotatably coupled in the through hole 13 through a bearing.

Referring to fig. 2 and 3, the worker rotates the driving shaft 45, the driving shaft 45 drives the plug shaft 44 to rotate, the plug shaft 44 drives the differential screw 41 to rotate, the differential screw 41 goes up and down along the threaded hole 12, because the first threaded section 42 and the second threaded section 43 have the same rotation direction and different lead lengths, the differential screw 41 drives the lifting block 21 to move slowly, the differential screw 41 rotates for one circle, the moving distance of the lifting block 21 is equal to the lead length difference value of the first threaded section 42 and the second threaded section 43, referring to fig. 1, the lifting block 21 drives the adjusting roller 2 to slowly lift, the fine adjustment effect of the adjusting roller 2 is achieved, and the rewinding effect after the bobbin paper is cut is improved.

Referring to fig. 1 and 4, one of the supporting seats 1 is provided with a locking assembly 5 for locking the fine adjustment assembly 4. The locking assembly 5 comprises a bidirectional ratchet wheel 51 and a thrust rod 52, wherein the bidirectional ratchet wheel 51 is fixedly sleeved on the driving shaft 45. The two support seats 1 are respectively and fixedly connected with an installation cover 16, the installation cover 16 is a box body with openings on the upper side surface and the lower side surface, and the installation cover 16 covers the outer side of the bidirectional ratchet 51. The support seat 1 is provided with a sliding component 6 for driving the thrust rod 52 to approach or depart from the bidirectional ratchet 51.

Referring to fig. 4, the sliding assembly 6 includes a sliding shaft 61, a guide pipe 62, and an elastic member 63, the guide pipe 62 is fixedly connected to the inner wall of the installation cover 16, the guide pipe 62 points to the bidirectional ratchet 51, the sliding shaft 61 is inserted and fitted in the guide pipe 62, the end of the sliding shaft 61 points to the bidirectional ratchet 51 is fixedly connected to a resisting plate 64, the elastic member 63 is a pressure spring, the elastic member 63 is sleeved on the guide pipe 62, the elastic member 63 is abutted between the resisting plate 64 and the inner wall of the installation cover 16, the thrust rod 52 is fixedly connected to the side of the resisting plate 64 departing from the sliding shaft 61, and one end of the thrust rod 52 away from the resisting plate 64 points to the.

Referring to fig. 2 and 4, in addition, a shift lever 65 is fixedly connected to the resisting plate 64, the shift lever 65 is vertically arranged, a top plate 66 for blocking an opening of the upper side of the installing cover 16 is connected to the upper side of the installing cover 16 through a bolt, the driving shaft 45 penetrates through and is rotatably connected to the top plate 66, referring to fig. 1, a guide hole 661 is formed in one of the top plates 66, the length direction of the guide hole 661 points to the driving shaft 45, and the shift lever 65 slides in the guide hole 661. The guide hole 661 guides the sliding movement of the shift lever 65, thereby improving the sliding stability of the thrust rod 52. The top plate 66 is provided with a yielding hole 662, and the end parts of the two driving shafts 45 penetrating through the yielding hole 662 are fixedly connected with knobs 46.

Referring to fig. 4, when the tension of the bobbin paper needs to be adjusted by rotating the driving shaft 45, the worker pushes the shift lever 65, and the shift lever 65 slides the resisting plate 64 and the thrust rod 52 in a direction away from the bidirectional ratchet 51, so that the driving shaft 45 is unlocked. Referring to fig. 1, next, the worker turns the knob 46 to adjust the adjustment roller 2. After the tension adjustment is completed, the operator releases the shift lever 65, the elastic member 63 drives the resisting plate 64 and the thrust rod 52 to slide towards the direction of the bidirectional ratchet 51, and the thrust rod 52 abuts against the inside of the ratchet groove of the bidirectional ratchet 51, so as to restore the locking of the driving shaft 45.

Referring to fig. 1 and 2, the supporting seat 11 is provided with a mounting hole 14, two ends of the detection roller 3 are respectively rotatably connected with a connecting block 31, and the connecting blocks 31 are located in the mounting hole 14. And the two supporting seats 1 are respectively provided with a detection component 7 for detecting the tension of the bobbin paper. The detection assembly 7 comprises a pressure sensor 71, a limiting groove 141 is formed in the bottom wall of the mounting hole 14, the pressure sensor 71 is placed in the limiting groove 141, the top end of the pressure sensor 71 abuts against the lower surface of the connecting block 31, the pressure sensor is electrically connected with an alarm 72, and the alarm 72 is connected to the supporting seat 1 through a bolt. And the side surfaces of the two supporting seats 1 which deviate from each other are connected with limiting plates 15 for plugging the mounting holes 14 through bolts. The stopper plate 15 reduces the possibility of the detection roller 3 running in the axial direction.

The implementation principle of the tension adjusting device for the slitting rewinder in the embodiment of the application is as follows: when the tension of the bobbin paper is loosened or over-tightened, the detection roller 3 drives the connecting block 31 to change the pressure applied to the pressure sensor 71, and when the pressure exceeds a set pressure range, the alarm 72 gives an alarm.

Then, the worker pushes the shift lever 65, and the shift lever 65 slides the resisting plate 64 and the thrust rod 52 in a direction away from the bidirectional ratchet 51, so that the drive shaft 45 is unlocked. Then, the knob 46 is rotated, the knob 46 drives the driving shaft 45 and the inserting shaft 44 to rotate, the inserting shaft 44 drives the differential screw 41 to rotate and vertically lift, the differential screw 41 drives the lifting block 21 to slowly lift, the distance of vertical lifting of the lifting block 21 is equal to the lead difference between the first thread section 42 and the second thread section 43 when the differential screw 41 rotates for one circle, the lifting block 21 drives the adjusting roller 2 to slowly lift, the fine adjustment of the adjusting roller 2 is realized, the fine adjustment of the tension of the bobbin paper film is realized, and the rewinding effect of the slit bobbin paper is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A tension adjusting device for a slitting rewinder is characterized in that: including supporting seat (1), adjusting roller (2), detect roller (3), supporting seat (1) is equipped with two, adjusting roller (2) and detection roller (3) rotate respectively and connect between two supporting seats (1), open vertical lift hole (11) on two supporting seats (1) respectively, the both ends of adjusting roller (2) are rotated respectively and are connected with elevator (21), elevator (21) at both ends slide respectively in the lift hole (11) of both sides, be equipped with fine setting subassembly (4) that are used for driving elevator (21) to go up and down on supporting seat (1), be equipped with locking subassembly (5) that are used for locking fine setting subassembly (4) on one of them supporting seat (1), be equipped with respectively on two supporting seats (1) and be used for detecting tensile determine module (7) of spool paper.

2. A tension adjustment device for slitter-winders according to claim 1, characterised in that: fine setting subassembly (4) includes differential screw rod (41), be equipped with first screw thread section (42) and second screw thread section (43) that the direction of rotation is the same and the helical pitch is unequal on differential screw rod (41), threaded hole (12) are opened to the roof of lift hole (11), the upper surface of supporting seat (1) is opened has through-hole (13) that communicate to threaded hole (12), first screw thread section (42) threaded connection is in threaded hole (12), second screw thread section (43) threaded connection is in lift piece (21), the top of differential screw rod (41) is opened has inserting groove (411), the cross-section of inserting groove (411) is regular polygon, inserting shaft (44) are inserted to the cooperation in inserting groove (411), the top integrated into one piece of inserting shaft (44) has drive shaft (45), drive shaft (45) rotate to be connected in through-hole (13).

3. A tension adjustment device for slitter-winders according to claim 1, characterised in that: the locking assembly (5) comprises a bidirectional ratchet wheel (51) and a thrust rod (52), the bidirectional ratchet wheel (51) is fixedly sleeved on the driving shaft (45), and a sliding assembly (6) used for driving the thrust rod (52) to be close to or far away from the bidirectional ratchet wheel (51) is arranged on the supporting seat (1).

4. A tension adjustment device for slitter-winders according to claim 3, characterised in that: the two supporting seats (1) are respectively provided with an installation cover (16), the installation covers (16) are box bodies with openings at the upper side surface and the lower side surface, the installation covers (16) are covered at the outer side of the bidirectional ratchet wheel (51), the sliding component (6) comprises a sliding shaft (61), guide tube (62), elastic component (63), guide tube (62) fixed connection is on the inner wall of installation cover (16), guide tube (62) points to two-way ratchet (51), cooperation of pegging graft of slip axle (61) is in guide tube (62), the tip fixedly connected with of the two-way ratchet (51) of slip axle (61) points to resists board (64), elastic component (63) cover is established on guide tube (62), elastic component (63) are contradicted in resisting between the inner wall of board (64) and installation cover (16), thrust rod (52) fixed connection is on resisting board (64) and deviating from the side of slipping axle (61), thrust rod (52) are kept away from the directional two-way ratchet (51) of one end of resisting board (64).

5. A tension adjustment device for slitter-winders according to claim 4, characterised in that: the top of installing cover (16) is connected with roof (66), and drive shaft (45) pass and rotate and connect in roof (66), and it has guiding hole (661) to open on one of them roof (66), and the length direction of guiding hole (661) points to drive shaft (45), fixedly connected with driving lever (65) on limiting plate (15), and driving lever (65) slide in guiding hole (661).

6. A tension adjustment device for slitter-winders according to claim 1, characterised in that: detection subassembly (7) include pressure sensor (71), have opened mounting hole (14) on two supporting seats (1) respectively, and the both ends of detecting roller (3) are rotated respectively and are connected with connecting block (31), and connecting block (31) at both ends are located mounting hole (14) of both sides respectively, and pressure sensor (71) are contradicted between the diapire of connecting block (31) and mounting hole (14), and pressure sensor (71) electric connection has alarm (72).

7. A tension adjustment device for slitter-winders according to claim 6, characterised in that: the bottom wall of the mounting hole (14) is provided with a limiting groove (141), and the pressure sensor (71) is placed in the limiting groove (141).

8. A tension adjustment device for slitter-winders according to claim 6, characterised in that: and the side surfaces of the two supporting seats (1) which deviate from each other are respectively connected with a limiting plate (15) for plugging the mounting hole (14).