CN115027993A - Rewinding equipment - Google Patents

Abstract

The application relates to the field of aluminum foil processing, and specifically provides rewinding equipment, which comprises a frame body, wherein the frame body is provided with an installation station for placing a raw material roll, and the rewinding equipment further comprises a rolling and conveying mechanism, a rewinding mechanism, a cutting and winding mechanism and a roll assisting mechanism which are all connected to the frame body. The rolling and conveying mechanism is positioned on one side of the mounting station and used for conveying the material belt of the raw material roll. The rewinding mechanism is provided with a rewinding station adjacent to the winding mechanism, and the rewinding station is used for rewinding the material belt on the winding mechanism on the winding core. The cutting and winding mechanism comprises a connecting assembly, a cutting piece and an air knife, the connecting assembly is connected to the frame body, the cutting piece and the air knife are arranged on the connecting assembly, and the connecting assembly is used for driving the cutting piece and the air knife to move so that the cutting piece cuts off the material belt between the winding mechanism and the rewinding mechanism. The wrapper assisting mechanism is adjacent to the rewinding station, and the air knife can blow towards the wrapper assisting mechanism so that the material belt of the raw material roll adjacent to the rewinding station is rewound on the winding core along the wrapper assisting mechanism. The rewinding and bottoming effects are good.

Description

Rewinding equipment

Technical Field

The application relates to the field of aluminum foil processing, in particular to rewinding equipment.

Background

The material strip on the raw material roll needs to be rewound on rolling up the core to subsequent processing is sold. At present, the method of backing up in the core is usually two kinds to the material area rewinding, and one kind is to spout fast dry and hot glue on rolling up the core to roll up the core and can pass through glue adhesion material area when rotating, so that the material area can be rewound on rolling up the core. The other type is that the material belt is pressed to the roll core through the synchronous belt, so that the roll core can be rewound in the roll core when rotating. However, the sprayed hot and dry glue is greatly affected by temperature, for example, when the environmental temperature in winter is too low, the solidification speed of the glue is high, so that the priming is unstable, and the hot melt glue equipment is expensive and the production cost is high. And support and press the material area through the hold-in range, because the hold-in range is the vulnerable part, need regularly change to the material area is wrinkled easily when bottoming, and the effect of bottoming is poor.

Disclosure of Invention

In view of the above, there is a need for a rewinding device that can improve rewinding and bottoming effects and reduce costs.

The embodiment of the application provides rewinding equipment, which comprises a rack body, wherein the rack body is provided with an installation station for placing a raw material roll, and the rewinding equipment further comprises a rolling and conveying mechanism, a rewinding mechanism, a cutting and winding mechanism and a roll assisting mechanism which are all connected to the rack body. The rolling and conveying mechanism is positioned on one side of the mounting station and used for conveying the material belt of the raw material roll. The rewinding mechanism is provided with a rewinding station adjacent to the winding and conveying mechanism, and the rewinding station is used for rewinding the material belt on the winding and conveying mechanism to a winding core. The cutting winding mechanism comprises a connecting assembly, a cutting piece and an air knife, the connecting assembly is connected to the frame body, the cutting piece reaches the air knife is arranged on the connecting assembly, the connecting assembly is used for driving the cutting piece to reach the air knife to move, so that the cutting piece is cut off the winding mechanism and the material belt between the rewinding mechanisms. The winding assisting mechanism is adjacent to the rewinding station, and the air knife can blow towards the winding assisting mechanism so that the material belt of the raw material roll adjacent to the rewinding station is rewound on the winding core along the winding assisting mechanism.

In the rewinding device in the above embodiment, the material roll located at the mounting station can extend out of the material belt, and the material belt can be transported toward the rewinding mechanism after passing through the winding and transporting mechanism. The cutting piece and the air knife can be extended through the driving of the connecting assembly, the air knife blows towards the reeling assisting mechanism, the material belt rewinds the roll core on the rewinding station along the reeling assisting mechanism under the action of air flow, rewinding bottoming is completed, and the cutting piece and the air knife retract through the connecting assembly. After the rewinding of the roll core on the processing position is completed, the cutting piece and the air knife are driven to extend out through the connecting assembly, the cutting piece can cut off the material belt between the rolling and conveying mechanism and the rewinding mechanism, meanwhile, the air knife blows towards the roll assisting mechanism, the material belt which is cut off and connected with the raw material roll can be rewound on the other roll core on the processing position around the roll assisting mechanism. Because rewinding bottoming process is accomplished towards helping the book mechanism to blow through the air knife to blow and the air current that the air knife blew off is the reason of bar air current when cutting the material area, can promote rewinding bottoming effect, do not need extra material moreover, low in production cost.

In at least one embodiment, the winding assisting mechanism comprises an expansion member and a profile member, the expansion member is connected to the frame, the profile member is arranged on the expansion member, and the expansion member can drive the profile member to extend so that the profile member is adjacent to the rewinding station, so that the material belt of the winding mechanism is rewound on the winding core along the profile member.

In the rewinding device of the above embodiment, the profile can be extended or retracted to be close to or far from the rewinding station by providing the telescopic member. The core that rolls up can be convenient for when the profile piece retracts removes to the processing position, perhaps leaves from the processing position, when the profile piece stretches out, can cooperate with the air knife to make the material area rewinding on the core that rolls up of processing position.

In at least one embodiment, the profiling piece comprises a connecting part and a profiling part which are connected, the connecting part is connected with the telescopic piece, when the profiling piece extends out, the air knife can blow air towards the connecting part, and the profiling part is adjacent to the rolling mechanism.

In the rewinding device of the embodiment, the air knife blows towards the connecting portion, the air flow flows through the connecting portion and then reaches the profiling portion, the air flow flows more smoothly, and the material belt is favorably wound around the winding core along the connecting portion and the profiling portion stably.

In at least one embodiment, the connection assembly includes a connection bracket and a push-pull member. The connecting support is rotationally connected with the frame body, and the air knife and the cutting piece are arranged on the connecting support. One end of the push-pull piece is connected with the frame body, and the other end of the push-pull piece is connected with the connecting support and used for driving the connecting support to rotate, so that the cutting piece can cut off the material belt.

In the rewinding device of the embodiment, the connecting support can be driven to rotate by the push-pull piece, so that the air knife and the cutting piece on the connecting support extend out or retract. Thereby the route that cuts piece and air knife stretch out is arc to can set to roughly the same with the direction of delivery in material area, because cut the in-process material area and move all the time, cut the roughly the same condition that can reduce the material area fish tail of a direction of cutting and material area direction of delivery, thereby promote material area quality, and the route that stretches out of air knife is arc, can not blow towards the material area when the air knife withdrawal, in order to reduce to blow and influence the material area and carry.

In at least one embodiment, the connecting bracket includes a rotating lever, a connecting rod, and a support. The dwang set up with rotating in the support body. One end of the connecting rod is connected with the rotating rod, the other end of the connecting rod is connected with the push-pull piece, and the push-pull piece drives the rotating rod to rotate through the connecting rod. Support piece set up in on the dwang, cut the piece and the air knife all set up in support piece.

In the rewinding device of the above embodiment, the rotating rod is connected to the frame body, so that the supporting member, the air knife and the cutting member arranged on the supporting member can rotate around the rotating rod. The connecting rod is connected with dwang and push-and-pull spare respectively to push-and-pull spare can drive the dwang through the connecting rod and rotate.

In at least one embodiment, the cutting and winding mechanism further comprises at least two limiting assemblies, the at least two limiting assemblies are arranged on two opposite sides of the connecting rod, each limiting assembly comprises a fixing block arranged on the frame body and a blocking piece arranged on the fixing block, and the blocking pieces are used for blocking the connecting rod from rotating.

In the rewinding device of the embodiment, the rotating range of the connecting rod can be limited by the blocking piece, the phenomenon that the cutting piece protrudes too much and interferes with other structures due to the fact that the rotating angle of the connecting rod is too large can be reduced.

In at least one embodiment, one side of the cutting piece is provided with cutting teeth, and the orientation of the cutting teeth is parallel to the air blowing direction of the air knife.

In the rewinding device of the embodiment, the direction of the cutting teeth is parallel to the air blowing direction, so that the cutting direction is parallel to the air blowing direction, the material belt can be cut, and meanwhile, the air is blown towards the winding assisting mechanism, so that the material belt between the winding assisting mechanism and the air knife can be rewound on the winding core along the winding assisting mechanism.

In at least one embodiment, the rewinding mechanism includes a driving wheel, a driven wheel, a first drive member, a spindle, and a second drive member. The driving wheel disc is rotatably arranged on the frame body. The driven wheel disc and the driving wheel disc are arranged oppositely and are rotationally arranged on the frame body. The first driving part is connected with the driving wheel disc and used for driving the driving wheel disc to rotate. The rotating shaft is arranged between the driving wheel disc and the driven wheel disc and used for fixing the winding core, and the driving wheel disc can drive the rotating shaft to rotate to the rewinding station. The second driving component is connected with the rotating shaft and used for driving the rotating shaft to rotate so as to enable the material belt to be rewound on the winding core on the rotating shaft.

In the rewinding device of the embodiment, the first driving part can drive the driving wheel disc and the driven wheel disc to rotate, so that the rotating shaft between the wheel discs can drive the winding core to move towards the rewinding station or leave the rewinding station. The second driving component can drive the rotating shaft to rotate, and the winding core on the rotating shaft also rotates along with the rotating shaft, so that the material belt wound around the winding assisting mechanism can be rewound on the winding core under the action of the air knife.

In at least one embodiment, the rewinding mechanism further comprises a winding station, a discharging station and a feeding station, the driving wheel disc can drive the rotating shaft to sequentially pass through the winding station, the discharging station and the feeding station, and the winding station is used for winding the material belt on the winding core.

In the rewinding device of the embodiment, the reel is driven to rotate by the first drive, so that the rotating shaft can pass through the feeding station, the rewinding station, the winding station and the discharging station. The pivot is installed and is rolled up a core in the material loading station to the rewinding in the rewinding station, removes to the rolling station after the rewinding is accomplished, and the cutting member can stretch out this moment to cut off the material area between rolling station and the volume fortune mechanism, and rotate through the rotation at the rolling station, let the material area of the core of rolling in connection with the rolling station can roll up on this core completely. And then moving to a blanking station to blank the coiled cores which are completely coiled.

In at least one embodiment, the rolling mechanism comprises a transition roller, a main roller, a driving member and an abutting component. The transition roller is rotatably connected to the frame body. The main roller is rotatably connected to the frame body and is positioned on one side, close to the rewinding mechanism, of the transition roller, the rewinding station is adjacent to the main roller, and the material belt sequentially passes through the transition roller and the main roller. The driving piece is respectively connected with the transition roller and the main roller and is used for driving the transition roller and the main roller to rotate. The pressing component is connected with the main roller and used for pressing the material belt on the main roller.

In the rewinding device of the embodiment, the material belt sequentially passes through the transition roller and the main roller and is conveyed towards the rewinding mechanism, and the rewinding station is adjacent to the main roller, so that the material belt can be rewound on the winding core of the rewinding station immediately after passing through the main roller. The pressing component can press the material belt on the main roller, so that the material belt is conveyed towards the rewinding mechanism more stably.

The rewinding equipment of this application blows towards the wrapper-assisting mechanism through the air knife to make the material area can follow wrapper-assisting mechanism rewinding on the book core of rewinding station. The rewinding and bottoming process of the winding core is simple, and the air flow blown out by the air knife is strip-shaped, so that the air blowing is stable and the stress is uniform, the situation that the material belt is wrinkled can be reduced, and the rewinding and bottoming effect is better. And no additional material is needed, so that the production cost is low.

Drawings

Fig. 1 is a perspective structural view of a rewinding device in an embodiment of the present application.

Fig. 2 is a side view of a portion of the rewinding apparatus of fig. 1.

Fig. 3 is a perspective view of the raw material roll, the tape, and the core.

Fig. 4 is a perspective view of the rolling mechanism and a portion of the frame of fig. 1.

Fig. 5 is a side view of the rolling mechanism of fig. 4.

Fig. 6 is a side view of the winding mechanism, cutting and winding mechanism, wrapper mechanism, and partial rewinding mechanism of fig. 1.

Fig. 7 is a perspective view of the wrapper mechanism and the cutter-winder mechanism in fig. 6.

Fig. 8 is a perspective view of the air knife and the cutting member of fig. 7.

Fig. 9 is a side view of the wrapper mechanism, the cutting and winding mechanism, the partial reeling mechanism and the partial reeling mechanism of fig. 7.

Fig. 10 is a schematic view of the profile, cut-out and profile of fig. 9 shown extended.

Fig. 11 is a perspective view of the rewinding mechanism shown in fig. 1.

Description of the main elements

Rewinding device 100

Rack 10

Installation station 101

Drive unit 11

Rolling mechanism 20

Transition roll 21

Main roll 22

Drive member 23

Pressing component 24

Pressure roller 241

Linkage 242

Swing lever 2421

Pushing part 2422

Connecting frame 25

Connecting rod 26

Cutting and winding mechanism 30

Connecting assembly 31

Connecting bracket 311

Rotating lever 3111

Connecting rod 3112

Support 3113

Push-pull member 312

Cut-out piece 32

Cutting teeth 321

Air knife 33

Limit assembly 34

Fixed block 341

Barrier 342

Wrapper mechanism 40

Telescopic member 41

Cam 42

Connecting part 421

Profiling part 422

Rewinding mechanism 50

Active wheel disc 51

Driven sheave 52

First drive member 53

Rotating shaft 54

Second drive member 55

Rewinding station 501

Winding station 502

Blanking station 503

Feeding station 504

Material belt 201

Roll of stock 202

Winding core 203

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "back," and the like as used herein are for purposes of description only.

When two elements (planes, lines) are disposed in parallel, it is understood that the relationship between the two elements includes both parallel and substantially parallel. By substantially parallel is understood that there may be an included angle between two elements, the included angle being greater than 0 ° and less than or equal to 10 °.

When two elements (planes, lines) are arranged vertically, it is understood that the relationship between the two elements includes both vertical and substantially vertical. By substantially perpendicular is understood that the angle between the two elements is greater than or equal to 80 ° and less than 90 °.

When a parameter is greater than, equal to, or less than an endpoint value, it is understood that the endpoint value allows a tolerance of ± 10%, e.g., a to B is greater than 10, which is understood to include the case where a to B is greater than 9, as well as the case where a to B is greater than 11.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Some embodiments of the present application provide a rewinding device, including a frame body having an installation station for placing a roll of stock material, the rewinding device further including a winding mechanism, a rewinding mechanism, a cutting and winding mechanism, and a wrapper mechanism all connected to the frame body. The rolling and conveying mechanism is positioned on one side of the mounting station and used for conveying the material belt of the raw material roll. The rewinding mechanism is provided with a rewinding station adjacent to the winding mechanism, and the rewinding station is used for rewinding the material belt on the winding mechanism to a winding core. The cutting winding mechanism comprises a connecting assembly, a cutting piece and an air knife, the connecting assembly is connected to the frame body, the cutting piece reaches the air knife is arranged on the connecting assembly, the connecting assembly is used for driving the cutting piece to reach the air knife to move, so that the cutting piece is cut off the winding mechanism and the material belt between the rewinding mechanisms. The winding assisting mechanism is adjacent to the rewinding station, and the air knife can blow towards the winding assisting mechanism so that the material belt of the raw material roll adjacent to the rewinding station is rewound on the winding core along the winding assisting mechanism.

In the rewinding device in the above embodiment, the material roll located at the mounting station can extend out of the material belt, and the material belt can be transported toward the rewinding mechanism after passing through the winding and transporting mechanism. The cutting piece and the air knife can be extended through the driving of the connecting assembly, the air knife blows towards the roll assisting mechanism, the material belt rolls on a roll core on a rewinding station along the roll assisting mechanism under the action of air flow, rewinding bottoming is completed, and the cutting piece and the air knife retract through the connecting assembly. After the rewinding of the roll core on the processing position is completed, the cutting piece and the air knife are driven to extend out through the connecting assembly, the cutting piece can cut off the material belt between the rolling and conveying mechanism and the rewinding mechanism, meanwhile, the air knife blows towards the roll assisting mechanism, the material belt which is cut off and connected with the raw material roll can be rewound on the other roll core on the processing position around the roll assisting mechanism. Because rewinding bottoming process is accomplished towards helping the book mechanism to blow through the air knife to blow and the air current that the air knife blew off is the reason of bar air current when cutting the material area, can promote rewinding bottoming effect, do not need extra material moreover, low in production cost.

Some embodiments of the present application will be described below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 to 3, in an embodiment, a rewinding device 100 is provided, where the rewinding device 100 includes a frame 10, a winding mechanism 20, a rewinding mechanism 50, a cutting and winding mechanism 30, and a winding assisting mechanism 40. The frame 10 has a mounting station 101 for mounting a roll of stock material 202. The winding mechanism 20, the rewinding mechanism 50, the cutting and winding mechanism 30 and the winding assisting mechanism 40 are all arranged on the rack 10, the winding mechanism 20 is located on one side of the installation station 101, and the rewinding mechanism 50 is located on one side, away from the installation station 101, of the winding mechanism 20 and is provided with a rewinding station 501. The cutting and winding mechanism 30 and the wrapper mechanism 40 are adjacent to the rewinding mechanism 50 and the winding mechanism 20. The material belt 201 of the raw material roll 202 is guided to the rewinding mechanism 50 through the rolling and conveying mechanism 20, the rewinding mechanism 50 can drive the roll core 203 to rotate at the rewinding station 501, and the material belt 201 can be rewound on the roll core 203 through the matching of the cutting and winding mechanism 30 and the roll assisting mechanism 40, so that rewinding bottoming is realized. When the material tape 201 rewound on the winding core 203 reaches a preset value, the cutting and winding mechanism 30 can cut off the material tape 201, so that the material tape 201 on the material roll 202 can be rewound on another winding core 203.

It is understood that the material tape 201 in the embodiments of the present application may be of various types, such as aluminum foil, paper, film, etc. The roll of stock material 202 is formed by winding a strip of material 201, such as a roll of aluminum foil formed by winding aluminum foil. The winding core 203 can wind the tape 201 around the winding core 203 by rotating, and the winding core 203 may be a paper tube or the like.

One side of the frame body 10 is provided with a driving unit 11, and the driving unit 11 is connected with the raw material roll 202 on the mounting station 101 for driving the raw material roll 202 to rotate. So that the strip of material 201 on the roll of stock 202 can be transferred to the reeling mechanism 20.

Referring to fig. 4 and 5, the winding mechanism 20 includes a transition roller 21, a main roller 22, a driving member 23 and a pressing member 24, the transition roller 21 and the main roller 22 are rotatably connected in the frame 10, the main roller 22 is located at a side of the transition roller 21 close to the rewinding mechanism 50, and the rewinding station 501 is adjacent to the main roller 22. The driving member 23 is installed outside the frame 10 and connected to the transition roller 21 and the main roller 22, and the driving member 23 can drive the transition roller 21 and the main roller 22 to rotate, so that the tape 201 can sequentially pass through the transition roller 21 and the main roller 22 and be conveyed toward the rewinding mechanism 50. Alternatively, the feeding direction of the material tape 201 may be sequentially passing through the lower end of the transition roller 21 and the upper end of the main roller 22.

The pressing component 24 is connected to the main roller 22 and can press the material strip 201 on the main roller 22, so that the material strip 201 on the main roller 22 can be stably conveyed towards the rewinding mechanism 50.

In some embodiments, the transition roller 21 and the main roller 22 are rotatably connected to the frame 10, and the transition roller 21 and the main roller 22 are both directly rotatably connected to the frame 10.

In other embodiments, the transition roller 21 is sleeved with a connecting rod 26, two ends of the connecting rod 26 are directly connected with the frame body 10, the connecting rod 26 is provided with a connecting frame 25, the connecting frame 25 is connected with the frame body 10, and the main roller 22 is rotatably arranged on the connecting frame 25.

The number of the driving members 23 may be two, and the driving members are respectively connected to the transition roller 21 and the main roller 22 for driving the transition roller 21 and the main roller 22 to rotate. In some embodiments, the number of the driving members 23 is one, and the driving members are connected to the connecting rods 26 via belts and pulleys to rotate the transition rollers 21. The link 26 is connected to the main roller 22 via a belt and a pulley to rotate the main roller 22.

The pressing assembly 24 includes a pressing roller 241 and a linkage 242, the linkage 242 is disposed on the connecting frame 25, and the pressing roller 241 is connected to the linkage 242. The link 242 can drive the pressing roller 241 to approach or depart from the main roller 22, when the pressing roller 241 departs from the main roller 22, the material belt 201 can pass through, and when the pressing roller 241 approaches the main roller 22, the material belt 201 on the main roller 22 can be pressed.

The linkage 242 includes two oscillating bars 2421 and two pushing parts 2422, and the two oscillating bars 2421 and the two pushing parts 2422 are respectively disposed at two ends of the platen roller 241. The swing lever 2421 is rotatably provided to the link frame 25, and one end is connected to the platen roller 241. One end of the pushing part 2422 is connected with the connecting frame 25, and the other end of the pushing part 2422 is connected with the swinging rod 2421, so that the swinging rod 2421 can push the swinging rod 2421 to rotate, and the swinging rod 2421 drives the press roller 241 to approach or depart from the main roller 22. Alternatively, the pushing part 2422 is a cylinder.

Referring to fig. 4 and 6, the tape 201 is transported to the rewinding mechanism 50 by the winding mechanism 20, and the tape 201 is rewound on the winding core 203 of the rewinding station 501, and after the rewinding is completed, the tape 201 wound and located between the winding mechanism 20 and the rewinding mechanism 50 can be cut by the cutting and winding mechanism 30. And the cut material belt 201 connected with the raw material roll 202 can be rewound on another winding core 203 positioned at the rewinding station 501 through the matching of the cutting and winding mechanism 30 and the auxiliary winding mechanism 40.

The cutting and winding mechanism 30 and the winding assisting mechanism 40 are both disposed in the frame body 10, the cutting and winding mechanism 30 and the winding assisting mechanism 40 are substantially located at two opposite sides of the rewinding station 501, and the winding assisting mechanism 40 is adjacent to the rewinding station 501. Optionally, the wrapper mechanism 40 is located substantially above the rewinding station 501 and the cutter/winder mechanism 30 is located substantially below the rewinding station 501.

Referring to fig. 7, the cutting and winding mechanism 30 includes a connecting assembly 31, a cutting member 32 and an air knife 33, the connecting assembly 31 is connected to the frame 10, and the cutting member 32 and the air knife 33 are both disposed on the connecting assembly 31. The connecting assembly 31 can move the cutting member 32 and the air knife 33, so that the cutting member 32 can cut off the material strip 201 between the winding mechanism 20 and the rewinding mechanism 50. The air knife 33 is capable of blowing air towards the wrapper mechanism 40 so that the web 201 cut by the cut pieces 32 and attached to the stock roll 202 is rewound along the wrapper mechanism 40 onto the winding core 203 of the rewinding station 501 by the air blown by the air knife 33.

The air knife 33 blows air towards the reeling assisting mechanism 40, the material belt 201 can be rewound on the reeling core 203 along the shape of the reeling assisting mechanism 40, a better rewinding and bottoming effect is achieved, and an extra material bottoming process is not needed in the bottoming process and is simpler. Since the air knife 33 and the cutting member 32 are both mounted on the connecting bracket 311, when the cutting member 32 cuts the web 201, the air knife 33 can blow air toward the wrapper 40. When the cutting piece 32 is retracted through the connecting bracket 311, the blowing direction of the air knife 33 is changed accordingly, so that the situation that the air knife 33 blows air to influence the material belt 201 is reduced.

Referring to fig. 8, in some embodiments, the cutting member 32 is provided with cutting teeth 321, and the cutting teeth 321 are oriented parallel to the blowing direction of the air knife 33. And when the cutting member 32 and the air knife 33 are extended, the air blowing direction of the air knife 33 is approximately tangent to the winding core 203 at the rewinding station 501.

In some embodiments, when the cutting member 32 and the air knife 33 are retracted, the blowing opening of the air knife 33 is located on the side of the cutting tooth 321 of the cutting member 32 close to the installation station 101, so that during the extending process of the cutting member 32 and the air knife 33, the cutting member 32 can cut the material tape 201 first, and then the air knife 33 blows air to the material tape 201, so as to rewind the material tape 201.

In some embodiments, the air blowing opening of the air knife 33 is elongated and has a width similar to that of the tape 201, and the air blown from the air blowing opening of the air knife 33 can be more uniform than the air holes, so as to improve the rewinding effect of the tape 201 on the winding core 203.

Referring to fig. 7, 9 and 10, in some embodiments, the connecting assembly 31 includes a connecting bracket 311 and a push-pull member 312, wherein one end of the push-pull member 312 is rotatably connected to the frame 10, and the other end thereof is rotatably connected to the connecting bracket 311. The connecting bracket 311 is rotatably disposed on the frame body 10, and the cutting member 32 and the air knife 33 are both disposed on the connecting bracket 311. The connecting bracket 311 can be pushed to rotate around the frame body 10 by the push-pull piece 312, so as to drive the cutting piece 32 and the air knife 33 to move. Alternatively, the air knife 33 may be pushed by the push-pull member 312 to extend toward the wrapper 40 and retract toward the main roller 22. Optionally, the push-pull member 312 is a cylinder.

Because the connecting bracket 311 drives the cutting piece 32 and the air knife 33 to move through rotation, the moving paths of the cutting piece 32 and the air knife 33 are arc-shaped, and the material belt 201 always moves in the process of cutting the material belt 201, the cutting direction is approximately the same as the running direction of the material belt 201, and the damage to the material belt 201 can be reduced.

It should be understood that the connecting bracket 311 is not limited to rotate to drive the cutting member 32 and the air knife 33 to move, but other manners may also be used, for example, the connecting bracket 311 is slidably connected to the frame 10, and the push-pull member 312 can push the connecting bracket 311 to slide, so as to extend or retract the cutting member 32 and the air knife 33, so as to cut the material tape 201 and blow air toward the wrapper 40.

In some embodiments, the connection bracket 311 includes a rotation lever 3111, a connection lever 3112 and a support 3113, the rotation lever 3111 is rotatably disposed in the frame body 10, one end of the connection lever 3112 is connected to the rotation lever 3111, and the other end is connected to the push-pull member 312. The rotating lever 3111 can be driven to rotate around its axis by the extension or retraction of the push-pull member 312. Specifically, the rotating lever 3111 is a round lever, and a plurality of grooves are formed on the periphery side in the middle so that the cross section of both ends of the rotating lever 3111 is round and the cross section in the middle is substantially square. Connecting rod 3112 one end is formed with the recess, and this recess and dwang 3111 are the cross-section adaptation of roughly square to can drive dwang 3111 when making connecting rod 3112 rotate and rotate.

The support member 3113 is disposed on the rotating shaft 3111, and the cutting member 32 and the air knife 33 are disposed on the support member 3113. Specifically, the support 3113 includes a supporting rod, a fixing rod, and a connecting block. The number of the support rods is two, and one end is connected to the rotation lever 3111. The dead lever is used for connecting two spinal branch poles, and the connecting block sets up in branch and keeps away from dwang 3111 one end, cuts a 32 and all sets up on the connecting block with air knife 33.

In some embodiments, the cutter-winder mechanism 30 further includes at least two stop assemblies 34, the at least two stop assemblies 34 being disposed on opposite sides of the connecting bar 3112 for blocking rotation of the connecting bar 3112 to define a range of rotation of the connecting bar 3112. Each limit component 34 includes a fixing block 341 and a blocking member 342, the fixing block 341 is fixed on the frame body 10, and the blocking member 342 is disposed on the fixing block 341 and blocks the connecting rod 3112 from rotating through the blocking member 342. Optionally, barrier 342 is a bumper.

In some embodiments, to facilitate movement of the winding core 203 to and from the winding station 501, the wrapper mechanism 40 includes a telescoping member 41 and a cam 42, the telescoping member 41 being attached within the frame 10, the cam 42 being disposed on the telescoping member 41. The telescopic member 41 is able to bring the profile 42 to extend or retract, approaching or moving away from the rewinding station 501. When the profile 42 is extended, the profile 42 is adjacent to the rewinding station 501, and the air knife 33 is able to blow towards the profile 42 to rewind the web 201 along the profile 42 onto the winding core 203. When the cam 42 is retracted, the movement of the core 203 to and from the rewinding station 501 can be facilitated. Optionally, the telescopic member 41 is a cylinder.

The profile member 42 includes a connection portion 421 and a profile portion 422, the connection portion 421 is connected to the profile portion 422, and the connection portion 421 is connected to the telescopic member 41. The connecting portion 421 has a rectangular shape, and the copying portion 422 has an arc shape. When the profile 42 is extended, the air knife 33 blows towards the connecting portion 421, so that the air flow can flow along the connecting portion 421 and the square portion, the air flow transition is smoother, and the rewinding effect of the material tape 201 is improved.

Referring to fig. 11, after rewinding, the rewinding mechanism 50 can transport away the winding core 203 from the rewinding station 501 and move another winding core 203 to the rewinding station 501 for rewinding next time.

The rewinding mechanism 50 includes a driving wheel disc 51, a driven wheel disc 52, a first driving member 53, a rotating shaft 54, and a second driving member 55. The driving wheel disc 51 and the driven wheel disc 52 are opposite to each other and are both rotatably connected to the frame body 10. The first driving part 53 is disposed on the frame body 10 and connected to the driving wheel disc 51 and the driven wheel disc 52 through a connecting shaft, and is used for driving the driving wheel disc 51 and the driven wheel disc 52 to rotate. The rotation shaft 54 is provided between the driving wheel disc 51 and the driven wheel disc 52, and the winding core 203 can be attached to the rotation shaft 54 and can rotate along with the rotation shaft 54. The rotating shaft 54 can be moved to the rewinding station 501 through the rotation of the driving wheel disc 51, and the second driving component 55 is connected to the rotating shaft 54 and can rotate around the axis of the rotating shaft 54, so that the material belt 201 can be rewound on the rotating shaft 54. Optionally, the first driving part 53 and the second driving part 55 are both motors.

In some embodiments, the number of spindles 54 is plural for efficiency improvement and is equally spaced about the axis of rotation of the active disc 51. The rewinding mechanism 50 also has a winding station 502, a blanking station 503, and a loading station 504. The wheel disc can drive the rotating shaft 54 to move, so that the rotating shaft 54 sequentially passes through the feeding station 504, the rewinding station 501, the winding station 502 and the discharging station 503. Optionally, the feeding station 504, the rewinding station 501, the winding station 502 and the blanking station 503 are arranged at intervals along the axis of the rotating shaft 54 of the driving wheel disc 51. It will be appreciated that the station arrangement of the rewinding mechanism 50 is not limited to this, but may be other, such as the loading station 504 coinciding with the unloading station 503 for both mounting the core 203 and removing the core 203. Optionally, the number of spindles 54 is four, so that the wheel moves to the next station of the rewinding mechanism 50 every ninety degrees of rotation of the spindles 54, and each station of the rewinding mechanism 50 has a spindle 54. It is to be understood that the number of the rotation shafts 54 is not limited thereto but may be two, three, etc.

The rewinding machine is characterized in that an unwounded winding core 203 is mounted on a rotating shaft 54 of a feeding station 504, the rotating shaft 54 of the feeding station 504 can be driven to move to a rewinding station 501 through a wheel disc, and the rotating shaft 54 located at the rewinding station 501 can be driven to rotate through a second driving component 55, so that the winding core 203 on the rewinding station 501 rotates, and the material belt 201 is rewound on the winding core 203. After rewinding is completed, the wheel disc rotates to drive the rotating shaft 54 to move to the winding station 502, and the adjacent rotating shaft 54 moves to the rewinding station 501. The profile 42, the cutting member 32 and the air knife 33 are extended, the cutting member 32 cuts the web 201 between the spindle 54 and the main roller 22 at the winding station 502, the air knife 33 blows air towards the profile 42, so that the web 201 cut and connected to the log 202 can move along the profile 42 and be wound onto the winding core 203 which is not wound at the processing station. And the winding core 203 at the winding station 502 is driven by the second driving component 55 to rotate continuously so as to wind the material tape 201 which is cut off and connected with the winding core 203 onto the winding core 203. The driving wheel disc 51 can drive the rotating shaft 54 to rotate continuously, so that the rotating shaft 54 of the winding station 502 is moved to the blanking station 503, and the winding core 203 on the rotating shaft 54 is taken out. After the spindle 54 moves to the loading station 504, the core 203 is mounted onto the spindle 54 and cycled through the above process.

To sum up, the rewinding device 100 provided in the embodiment of the present application moves the winding core 203 to the processing position by the rewinding mechanism 50, and drives the winding core 203 to rotate around its axis, the expansion piece 41 drives the profile piece 42 to extend, and the air knife 33 blows towards the profile piece 42, so that the material tape 201 can be rewound on the winding core 203 of the processing position, thereby realizing rewinding and bottoming. The process is simple and the strip 201 can be stably rewound on the winding core 203 along the profile 42 due to the flat air flow from the air knife 33.

In addition, those skilled in the art should realize that the above embodiments are illustrative only and not limiting to the present application, and that suitable changes and modifications to the above embodiments are within the scope of the disclosure of the present application as long as they are within the true spirit and scope of the present application.

Claims (10)

1. A rewinding device comprising a frame body having an installation station for placing rolls of raw material, characterized in that it further comprises two winding heads each connected to said frame body:

the rolling and conveying mechanism is positioned on one side of the mounting station and used for conveying the material belt of the raw material roll;

the rewinding mechanism is provided with a rewinding station adjacent to the winding and conveying mechanism, and the rewinding station is used for rewinding the material belt on the winding and conveying mechanism to a winding core;

the cutting and winding mechanism comprises a connecting assembly, a cutting piece and an air knife, the connecting assembly is connected to the frame body, the cutting piece and the air knife are arranged on the connecting assembly, and the connecting assembly is used for driving the cutting piece and the air knife to move so that the cutting piece cuts off the material belt between the winding mechanism and the rewinding mechanism;

and the wind knife can blow towards the winding assisting mechanism so as to enable the material belt of the raw material roll adjacent to the rewinding station to rewind to the winding core along the winding assisting mechanism.

2. The rewinding apparatus as claimed in claim 1, characterized in that said auxiliary winding mechanism comprises an expansion member connected to said frame and a cam provided on said expansion member, said expansion member being able to bring said cam to extend so as to bring it adjacent to said rewinding station, so that said web of said winding mechanism is rewound onto said cores along said cam.

3. The rewinding apparatus as claimed in claim 2, characterized in that said profile comprises a connecting portion and a profile portion connected, said connecting portion being connected to said telescopic member, said air knife being able to blow air towards said connecting portion when said profile is extended, said profile portion being adjacent to said winding mechanism.

4. The rewinding apparatus as claimed in claim 2, characterized in that said connecting assembly comprises:

the connecting bracket is rotationally connected to the frame body, and the air knife and the cutting piece are arranged on the connecting bracket;

and one end of the push-pull piece is connected with the frame body, and the other end of the push-pull piece is connected with the connecting support and used for driving the connecting support to rotate so that the cutting piece can cut off the material belt.

5. The rewinding apparatus as claimed in claim 4, characterized in that said connecting bracket comprises:

the rotating rod is rotatably arranged on the frame body;

one end of the connecting rod is connected with the rotating rod, the other end of the connecting rod is connected with the push-pull piece, and the push-pull piece drives the rotating rod to rotate through the connecting rod;

support piece, set up in on the dwang, cut the piece and the air knife all set up in support piece.

6. The rewinding apparatus as claimed in claim 5, characterized in that said cutting and winding mechanism further comprises at least two stop assemblies disposed on opposite sides of said connecting rod, each stop assembly comprising a fixed block disposed on said frame and a stop member disposed on said fixed block for stopping rotation of said connecting rod.

7. A rewinding device according to claim 1, characterized in that said cutting member is provided with cutting teeth on one side, oriented parallel to the blowing direction of said air knives.

8. A rewinding apparatus according to claim 1, characterized in that said rewinding mechanism comprises:

the driving wheel disc is rotationally arranged on the frame body;

the driven wheel disc is opposite to the driving wheel disc and is rotationally arranged on the frame body;

the first driving part is connected with the driving wheel disc and is used for driving the driving wheel disc to rotate;

the rotating shaft is arranged between the driving wheel disc and the driven wheel disc and used for fixing the winding core, and the driving wheel disc can drive the rotating shaft to rotate to the rewinding station;

and the second driving component is connected with the rotating shaft and used for driving the rotating shaft to rotate so as to rewind the material belt on the winding core on the rotating shaft.

9. The rewinding device as claimed in claim 8, wherein the rewinding mechanism further comprises a winding station, a discharging station and a feeding station, the driving wheel disc can drive the rotating shaft to sequentially pass through the winding station, the discharging station and the feeding station, and the winding station is used for winding the material belt on the winding core.

10. The rewinding apparatus as claimed in claim 8, characterized in that said winding mechanism comprises:

the transition roller is rotationally connected to the frame body;

the main roller is rotatably connected to the frame body and is positioned on one side, close to the rewinding mechanism, of the transition roller, the rewinding station is adjacent to the main roller, and the material belt sequentially passes through the transition roller and the main roller;

the driving piece is respectively connected with the transition roller and the main roller and is used for driving the transition roller and the main roller to rotate;

and the pressing component is connected with the main roller and is used for pressing the material belt on the main roller.

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