CN207524671U - Composite plastic film winds structure - Google Patents

Abstract

The present utility model application is related to plastic foil processing technique field,Specifically disclose a kind of composite plastic film winding structure,Including rotary shaft,Sensing device,Controller and at least two wind-up rolls,The sensing device is used to sense the outer diameter at the end of wind-up roll is wound,The controller respectively with the sensing device,Rotary shaft is connected the rotary shaft is controlled to rotate,The wind-up roll is connected and circumferentially distributed around rotary shaft centered on rotary shaft with rotary shaft,Further include the first driving mechanism,Second driving mechanism,It can delay the reduction roll that composite membrane is transferred at the wind-up roll position and the membrane cut mechanism for cutting off composite membrane when mobile,First driving mechanism and the rotary shaft,Reduction roll is connected to drive reduction roll movement when rotary shaft rotates,Second driving mechanism and the rotary shaft,Membrane cut mechanism is connected to drive membrane cut mechanism movement when rotary shaft rotates.The utility model can effectively avoid the waste of composite membrane, and winding is efficient.

Description

Composite plastic film winds structure

Technical field

The utility model is related to plastic foil processing technique field more particularly to a kind of composite plastic film winding structures.

Background technology

Composite plastic film refers to pass through laminated extrusion coating, co-extrusion etc. by various plastics and paper, metal or other materials The film of multilayered structure that base material is combined together and is formed by technology.According to different application scenarios, composite plastic film Raw material are different, and processing method is also different, but no matter which kind of processing method, existing composite plastic film after manufacture, It needs to carry out winding processing by wrap-up.Existing wrap-up generally only sets a wind-up roll, and reel change The long period is needed, the continuous winding of wrap-up can not be thus realized, reduce production efficiency.

Notification number is that the utility model patent of CN205772216U discloses a kind of film take-up, including rack, electricity Machine and the wind-up roll in rack, the rotary shaft and wind-up roll are driven by the motor, and the wind-up roll includes first and receives Winding up roller and the second wind-up roll, first wind-up roll are symmetrically set with second wind-up roll along the rotation centerline of the rotary shaft It puts, sensing device is additionally provided in the rack, the sensing device is between the rotary shaft and wind-up roll, the sensing dress Putting can move in rack.Above-mentioned film take-up is alternately wound by two wind-up rolls, realizes the continuous winding of film, Improve the efficiency of film take-up.

However, two wind-up rolls described in film take-up disclosed above are rotating alternate gap, unwinding device It is still and is persistently unreeling film, is i.e. the transmission of film is continuous, it is impossible to stop the winding for waiting for next round.Therefore, In the alternate gap of two wind-up rolls, some film sent can not be wound in time, be easy to cause thin The waste of film influences to wind efficiency；In addition, when a wind-up roll completes winding, need to carry out cutoff process to film, Otherwise it will be unable to carry out the winding of next round using next wind-up roll.

Utility model content

The purpose of this utility model is to provide a kind of composite plastic films to wind structure, this structure can adjust composite membrane and exist Wind-up roll replaces the transmission in gap, and wind-up roll is avoided not complete alternating also, and composite membrane is had arrived at wind-up roll, influences winding effect Rate.In addition, this structure can also replace surface trimming of the gap realization to composite membrane in wind-up roll, ensure that composite membrane can be realized Continuous winding.

In order to achieve the above object, the base case of the utility model is：Composite plastic film winds structure, including rotation Axis, sensing device, controller and at least two wind-up rolls, the sensing device are used to sense outer at the end of wind-up roll is wound Diameter, the controller are connected respectively with the sensing device, rotary shaft, and for the rotary shaft to be controlled to rotate, the winding Roller is connected with rotary shaft, and circumferentially distributed around rotary shaft centered on rotary shaft, further includes the first driving mechanism, the second drive It can extend the reduction roll for the time that composite membrane is transferred at the wind-up roll position and when motivation structure, movement for cutting off composite membrane Membrane cut mechanism, first driving mechanism is connected respectively with the rotary shaft, reduction roll, and for being driven when rotary shaft rotates Dynamic reduction roll movement, second driving mechanism are connected respectively with the rotary shaft, membrane cut mechanism, and for being rotated in rotary shaft When driving membrane cut mechanism movement.

The working principle and beneficial effect of this base case is：Using a wind-up roll to convey come composite membrane carry out Winding, when the wind-up roll of this winding reaches certain thickness, i.e. the outer diameter of this wind-up roll, which has reached, can terminate the outer of winding During diameter, sensing device is triggered and controller is forced to send out the instruction that rotary shaft is made to turn an angle, and rotary shaft rotation can band The dynamic wind-up roll rotation being attached thereto, so as to which the new wind-up roll not wound to be turned to the position that can wind composite membrane, and The rolling another wind-up roll finished will rotate into the composite membrane volume to be removed such as the position far from winding composite membrane；Rotate shaft rotation When dynamic, the first driving mechanism and the work of the second driving mechanism can be triggered simultaneously, and the work of the first driving mechanism will drive reduction roll past The direction movement for the time that composite membrane is transferred at wind-up roll position can be extended, wind-up roll is prevented and do not complete alternating also, Composite membrane is had arrived at wind-up roll, causes the waste of composite membrane；The work of second driving mechanism will driving membrane cut mechanism to close The direction movement of composite membrane so as to fulfill composite membrane is cut off while rotation substitutes wind-up roll, ensures that composite membrane can carry out The winding of next round.After the thickness of new wind-up roll reaches corresponding requirements, composite membrane can be realized not by repeating aforesaid operations The winding of interruption.This programme is simple in structure, low manufacture cost, and compared with prior art, this structure can be to avoid the wave of plastic foil Take, improve the degree of automation, further improve winding efficiency.

Preferred embodiment one：As the preferred of basic scheme, first driving mechanism includes rack and is located at tooth respectively The left and right fan tooth of both sides, the rack include left tooth and right tooth, and the left tooth can be with the left fan tooth engagement, the right tooth energy With the right wing tooth engagement, the left fan tooth is connected with the rotary shaft, and the right wing tooth is connected with motor, the rack upper end It is connect with the reduction roll.

When rotary shaft rotates, left fan tooth also rotates therewith, can band moving teeth when left fan tooth turns to the left tooth engagement with rack Item is moved to the direction that can extend the time that composite membrane is transferred at wind-up roll position, so that the deceleration being connect with rack Roller can be created a diversion during wind-up roll is rotated and substituted by the composite membrane to conveying, reach and composite membrane is delayed to reach wind-up roll Purpose at position；When wind-up roll replacement finishes, rotary shaft will stop operating, and the motor be made to work at this time, so as to make the right side Tooth rotation is fanned, and the direction of right wing tooth rotation is consistent with direction during left fan tooth rotation, when right wing tooth turns to and rack During right tooth engagement, reset movement can be carried out with carry-over bar, so that the reduction roll being connect with rack can be completed in wind-up roll Initial position is reset to after replacement, plays the role of restoring when wind-up roll is wound the conveying speed of composite membrane.Said mechanism is real The synchronous interaction of reduction roll and rotary shaft is showed, the driving force for not needing to be additional, which can reach, delays composite membrane to reach wind-up roll position Put the purpose at place.

Preferred embodiment two：As the preferred of basic scheme, second driving mechanism be slider-crank mechanism, the crank Slide block mechanism includes driving crank, sliding block, the fixed frame hinged with described driving crank one end and another with the driving crank The hinged connecting rod in one end, the connecting rod are connect by the sliding block with the fixed frame, and for driving the sliding block in institute It states and is slided on fixed frame, the sliding block is connect with the membrane cut mechanism for the membrane cut mechanism to be driven to move, the active Crank is connected with the hinged one end of the rack with the rotary shaft.Using said mechanism, when rotary shaft rotates, driving crank It can be rotated with the rotation of rotary shaft, driving crank rotation can drive link motion hinged therewith again, due to connecting rod and admittedly The sliding block connection being scheduled in rack, the mobile of connecting rod will slide with movable slider in rack, sliding block movement can drive again with Connection membrane cut mechanism movement so that membrane cut mechanism completes cut-out to composite membrane.Said mechanism realizes film cutting machine The cut-out to composite membrane can be completed in the synchronous interaction of structure and rotary shaft, the driving force for not needing to be additional.

Preferred embodiment three：Preferably two it is preferred, the sensing device include RF transmitter and infrared ray Receiver, the RF transmitter and the infrared receiver are located at the wind-up roll both sides wound, the infrared ray The distance of the line of transmitter and infrared receiver and the wind-up roll is equal to the outer diameter at the end of wind-up roll winding, institute Infrared receiver is stated to connect with the controller.

Using above-mentioned sensing device, when the thickness of the composite membrane of winding is not up to the outer diameter for winding and terminating, infrared ray hair The infrared signal of emitter transmitting will be received constantly by infrared receiver, and when the thickness of the composite membrane of wind-up roll winding reaches After outer diameter at the end of winding, the infrared signal of RF transmitter transmitting will be blocked by composite membrane, at this time infrared receiver Infrared signal can not be received.Infrared receiver will send a signal to controller after being not received by infrared signal, so as to So that controller sends out the instruction for rotating rotary shaft.

Preferred embodiment four：Preferably three it is preferred, further include and be generally aligned in the same plane with the wind-up roll of the winding Compression roller, the compression roller with winding wind-up roll coordinate for winding when extrusion cladding film.

Composite membrane may make between each layer composite membrane that there are bubbles in winding due to being bonded not tight, utilize compression roller The composite membrane continuously wound on wind-up roll is squeezed, the bubble between composite membrane can be squeezed out, makes composite membrane fitting more Step up close.

Description of the drawings

Fig. 1 is the structure diagram of the utility model embodiment；

Fig. 2 is the location diagram that wind-up roll substitutes the process incipient stage in the utility model embodiment；

Fig. 3 is the location diagram that wind-up roll substitutes the process intermediate stage in the utility model embodiment；

Fig. 4 is the location diagram that wind-up roll substitutes process ending phase in the utility model embodiment；

Fig. 5 is that the relative position of wind-up roll and RF transmitter, infrared receiver in the utility model embodiment is closed System's figure；

Fig. 6 is the structure diagram of the first driving mechanism in the utility model embodiment；

Fig. 7 is the structure diagram of the second driving mechanism in the utility model embodiment.

Specific embodiment

The utility model is described in further detail below by specific embodiment：

Reference numeral in Figure of description includes：Composite membrane 0, let off roll 1, wind-up roll 2, the first wind-up roll 21, second Wind-up roll 22, third wind-up roll 23, the 4th wind-up roll 24, rotary shaft 3, connecting plate 31, reduction roll 4, membrane cut mechanism 5, compression roller 6th, RF transmitter 71, infrared receiver 72, rack 91, left fan tooth 92, right wing tooth 93, slider-crank mechanism 8, rack 81st, driving crank 82, connecting rod 83, sliding block 84.

As shown in Figures 1 to 7, composite plastic film winding structure including rotary shaft 3, reduction roll 4, membrane cut mechanism 5, squeezes Roller 6, sensing device and controller, 3 surrounding of rotary shaft is circumferentially uniformly distributed there are four wind-up roll 2, this four wind-up rolls 2 are followed successively by first Wind-up roll 21, the second wind-up roll 22,23 and the 4th wind-up roll 24 of third wind-up roll, four connecting plates that rotary shaft 3 passes through setting 31 are connected respectively with the first wind-up roll 21, the second wind-up roll 22,23 and the 4th wind-up roll 24 of third wind-up roll；Sensing device is used for Outer diameter at the end of the winding of wind-up roll 2 of sensing winding, as shown in figure 5, sensing device includes being located at the receipts wound respectively The company of the RF transmitter 71 of 2 both sides of winding up roller and infrared receiver 72, RF transmitter 71 and infrared receiver 72 Line with winding 2 distance of wind-up roll be equal to wind-up roll 2 wind at the end of outer diameter, controller respectively with sensing device, Rotary shaft 3 is connected the rotary shaft 3 is controlled to rotate (not shown)；Further include respectively with rotary shaft 3,4 phase of reduction roll Be used in conjunction in when rotary shaft 3 rotates drive reduction roll 4 move the first driving mechanism and respectively with rotary shaft 3, membrane cut mechanism 5 are connected for the second driving mechanism that membrane cut mechanism 5 is driven to move when rotary shaft 3 rotates；As shown in fig. 6, the first driving machine Structure includes rack 91 and the left fan tooth 92 and right wing tooth 93 positioned at 91 both sides of rack, and rack 91 includes left tooth and right tooth, left tooth It can be engaged with left fan tooth 92, right tooth can be engaged with right wing tooth 93, and left fan tooth 92 is connected with rotary shaft 3, and right wing tooth 93 is connected with electricity Machine (not shown), 91 upper end of rack are connect with reduction roll 4；As described in Figure 7, the second driving mechanism is slider-crank mechanism 8, Slider-crank mechanism 8 includes driving crank 82, sliding block 84 and the hinged rack 81 in 82 one end of driving crank and and driving crank The hinged connecting rod 83 of 82 other ends, connecting rod 83 are connect with rack 81 by sliding block 84 and for driving sliding block 84 sliding in rack 81 Dynamic, sliding block 84 is connect with membrane cut mechanism 5 for membrane cut mechanism 5 to be driven to move, driving crank 82 and the hinged one end of rack 81 and Rotary shaft 3 is connected；Compression roller 6 is located at by the wind-up roll 2 of winding, and by being completed with the cooperation of the wind-up roll 2 of winding to winding The extruding of composite membrane 0.RF transmitter 71 used is sent out for the patch type infrared of IR67-21C/TR8 models in the present embodiment Penetrate pipe, 72 model EE-SX1128 of infrared ray infrared receiver used；Large magnificent board of the controller used thereby for UNO-2170 models Industrial control unit (ICU).

When it is implemented, as shown in Figures 1 to 4, the composite membrane 0 from let off roll 1 is received using the first wind-up roll 21 Volume, when the thickness of composite membrane 0 wound on the first wind-up roll 21 is not up to the outer diameter for winding and terminating, RF transmitter 71 is sent out The infrared signal penetrated will be received constantly by infrared receiver 72, and when the thickness of composite membrane 0 wound on the first wind-up roll 21 After degree reaches the outer diameter at the end of winding, the infrared signal that RF transmitter 71 emits will be blocked by composite membrane 0, infrared at this time Line receiver 72 can not receive infrared signal.Infrared receiver 72 will be sent a signal to after being not received by infrared signal Controller, so that controller sends out the instruction for rotating rotary shaft 3.Rotary shaft 3 rotates 4 receipts that can be driven and be attached thereto Winding up roller 2 rotates, so that the second wind-up roll 22 to be turned to the position that can wind composite membrane 0, and it is rolling finish first Wind-up roll 21 will rotate into the composite membranes volume 0 to be removed such as the position far from winding composite membrane 0.

When rotary shaft 3 rotates, the first driving mechanism and the work of the second driving mechanism, the first driving mechanism work can be triggered simultaneously When making, left fan tooth 92 is rotated with the rotation of rotary shaft 3, can band when left fan tooth 92 turns to the left tooth engagement with rack 91 Carry-over bar 91 moves up, so that the reduction roll 4 being connect with rack 91 can be during wind-up roll 2 be rotated and substituted by right The composite membrane 0 of conveying creates a diversion, and achievees the purpose that composite membrane 0 is delayed to reach at 2 position of wind-up roll；When wind-up roll 2 has substituted Finish, rotary shaft 3 will stop operating, and the motor be made to work at this time, so as to rotate right wing tooth 93, and right wing tooth 93 rotates Direction with it is left fan tooth 92 rotate when direction it is consistent, when right wing tooth 93 turns to the right tooth engagement with rack 91, can drive Rack 91 carries out reset movement (being downwardly direction in Fig. 1 to Fig. 4 and Fig. 6), so that subtracting with what rack 91 was connect Fast roller 4 can reset to initial position (as shown in Figure 4) after wind-up roll 2 is completed to substitute, and playing will not when wind-up roll 2 is wound Restrain the effect of composite membrane 0.When second driving mechanism works, driving crank 82 can be rotated with the rotation of rotary shaft 3, actively The rotation of crank 82 can drive connecting rod 83 hinged therewith to move again, since connecting rod 83 connects with the sliding block 84 being fixed in rack 81 It connects, the mobile of connecting rod 83 will slide with movable slider 84 in rack 81, and the movement of sliding block 84 can drive what is be attached thereto to cut again Film mechanism 5 moves, and membrane cut mechanism 5 moves down first completes the cut-out to composite membrane 0 for the first time, and wind-up roll 2 carries out second During replacement, rotary shaft 3 rotates again and membrane cut mechanism 5 moves up and completes second of cut-out to composite membrane 0, such Zhou Erfu Realize that the continuous of composite membrane 0 being automatically cut off with beginning.

In addition, composite membrane 0 may make between each layer composite membrane 0 that there are bubble, profits in winding due to being bonded not tight The composite membrane 0 continuously wound on wind-up roll 2 is squeezed with compression roller 6, the bubble between composite membrane 0 can be squeezed out, made Composite membrane 0 is bonded even closer.

Above-described is only the embodiment of the utility model, and the common sense such as well known concrete structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are not all interfered with The effect and practical applicability that the utility model is implemented.

Claims (5)

1. composite plastic film winds structure, including rotary shaft, sensing device, controller and at least two wind-up rolls, the sensing Device is used to sense the outer diameter at the end of wind-up roll is wound, and the controller is connected respectively with the sensing device, rotary shaft, and For the rotary shaft to be controlled to rotate, which is characterized in that the wind-up roll is connected with rotary shaft, and circumferential centered on rotary shaft Be distributed in around rotary shaft, further include the first driving mechanism, the second driving mechanism, it is mobile when can extend composite membrane be transferred to it is described The reduction roll of time at wind-up roll position and the membrane cut mechanism for cutting off composite membrane, first driving mechanism respectively with institute State rotary shaft, reduction roll is connected, and for when rotary shaft rotate drive reduction roll move, second driving mechanism respectively with The rotary shaft, membrane cut mechanism are connected, and for driving membrane cut mechanism movement when rotary shaft rotates.

2. composite plastic film as described in claim 1 winds structure, which is characterized in that first driving mechanism includes rack And respectively positioned at the left and right fan tooth of rack both sides, the rack includes left tooth and right tooth, and the left tooth can be with the left fan tooth Engagement, the right tooth can be connected with the right wing tooth engagement, the left fan tooth with the rotary shaft, and the right wing tooth is connected with electricity Machine, the rack upper end are connect with the reduction roll.

3. composite plastic film as described in claim 1 winds structure, which is characterized in that second driving mechanism is slide crank Block mechanism, the slider-crank mechanism include driving crank, sliding block, with the hinged fixed frame in described driving crank one end and with The hinged connecting rod of the driving crank other end, the connecting rod are connect by the sliding block with the fixed frame, and for driving It moves the sliding block to slide on the fixed frame, the sliding block connect to drive the membrane cut mechanism with the membrane cut mechanism Mobile, the driving crank is connected with the hinged one end of the rack with the rotary shaft.

4. composite plastic film as claimed in claim 3 winds structure, which is characterized in that the sensing device is sent out including infrared ray Emitter and infrared receiver, the RF transmitter and the infrared receiver are located at the wind-up roll two wound The line of side, the RF transmitter and infrared receiver is equal to wind-up roll winding with the distance of the wind-up roll and ties Outer diameter during beam, the infrared receiver are connect with the controller.

5. composite plastic film as claimed in claim 4 winds structure, which is characterized in that further includes the wind-up roll with the winding The wind-up roll of the compression roller being generally aligned in the same plane, the compression roller and winding coordinates for the extrusion cladding film in winding.